From twatteyne@gmail.com Tue Apr 2 21:44:05 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CDA1F21F85CB for <6tsch@ietfa.amsl.com>; Tue, 2 Apr 2013 21:44:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.976 X-Spam-Level: X-Spam-Status: No, score=-2.976 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oCQQdDjKu2fX for <6tsch@ietfa.amsl.com>; Tue, 2 Apr 2013 21:44:02 -0700 (PDT) Received: from mail-pb0-f44.google.com (mail-pb0-f44.google.com [209.85.160.44]) by ietfa.amsl.com (Postfix) with ESMTP id 5BB4921F85C4 for <6tsch@ietf.org>; Tue, 2 Apr 2013 21:43:59 -0700 (PDT) Received: by mail-pb0-f44.google.com with SMTP id wz12so631981pbc.17 for <6tsch@ietf.org>; Tue, 02 Apr 2013 21:43:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; bh=aUqRCc3kpnkBIXHY1Sbg8Ck2IRoZcaMcgjbs9OQ2DqQ=; b=ub9gIh+1Kp/UB67TbYGFPuxi7srGckwdar6KbRPsQ8H3N9xJ1iD22b7KZVhcNYq/yG pZ6wPwlCBUrbWXWGTUfc4E5qktDsLJ+pWQmsxKCb0lQCRHZugYDXz75MsS44glko1HCJ FjLwTrbyoI1D2oTxl6T0wtuL9wPOmzCnL8zg2ZmSe2kAS/KrFQKnQLLIlLWHrEMDfbKs tuyAdRdY0qcBmFCNuhKPAkAIXJO9cdGWlMyKdIO/eIfemiS9iKqsGu8MP4w5Wv35xtow BF2wcMoRcSm4XQ0hqPybvmkgWr5aNtJt5JulTHV1nV6NadPjV0qsBTPl+OoaOPLrceD6 wBZA== X-Received: by 10.68.95.69 with SMTP id di5mr144217pbb.204.1364964239054; Tue, 02 Apr 2013 21:43:59 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.121.33 with HTTP; Tue, 2 Apr 2013 21:43:38 -0700 (PDT) In-Reply-To: References: From: Thomas Watteyne Date: Tue, 2 Apr 2013 21:43:38 -0700 X-Google-Sender-Auth: aXPisZtiJes0iBbJZf9rv1HdXE4 Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7b6707ab999e5a04d96d80ee Subject: Re: [6tsch] Problem Statement X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Apr 2013 04:44:05 -0000 --047d7b6707ab999e5a04d96d80ee Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Pascal, Please see inline. Thomas On Fri, Mar 29, 2013 at 10:00 AM, Pascal Thubert (pthubert) < pthubert@cisco.com> wrote: > Hi :**** > > ** ** > > Please find a list I xrefed from the use cases we discussed at the call > and over the ML; , what did I miss?**** > > Please fire at will=85**** > > ** ** > > P1: Optimized Multipath hard tracks**** > > **=95 **From**** > > **=96 **wireless process control; low rate control loops**** > > **=96 **Smart cities; WSN service provider**** > > **=96 **Vehicular; control IHM **** > > **=95 **Optimized =3D> PCE**** > > **=95 **Allocation may be handled by a tier**** > > **=95 **6TUS must apply the required slots and move existing if nee= ded > *[TW]* and move existing *soft cells*. We don't expect colliding reservations from the PCE, right? > **** > > ** ** > > P2: Distributed Routing, soft tracks**** > > < unsure which use cases?>**** > > **=95 **=3D> RSVP or similar > *[TW]* Possible use cases: - dynamic topologies (e.g. smart parking) - large network with no single control entity (smart buildings, lighting applications) > **** > > ** ** > > P3 : Distributed Routing (best effort)**** > > **=95 ** From**** > > **=96 **Industrial; non production phases**** > > **=96 **Industrial, Smart cities, home; monitoring**** > > **=96 **Commercial; asset tracking**** > > **=96 **Home, Commercial; security**** > > **=95 **Distributed =3D> RPL > *[TW]* Pascal, can you detail the difference between P2 and P3? > **** > > ** ** > > P4: Mobility (best effort)**** > > **=95 **From**** > > **=96 **Industrial; mobile worker**** > > **=96 **Commercial; asset tracking**** > > **=95 **Distributed =3D> RPL**** > > ** ** > > P5: Dynamic slot allocation**** > > **=95 **From**** > > **=96 **Industrial; alerts**** > > **=96 **Smart cities; Road/Street control**** > > **=96 **Smart cities; Smart Urban Parking **** > > **=95 **6TUS must adapt to bursts**** > > **=95 **Need to be faster than transport reaction > *[TW]* also discussed over the phone: synchronous detection of same event by a large group of nodes. > **** > > ** ** > > P6: Backbone**** > > **=95 **From**** > > **=96 **Industrial; large plant**** > > **=95 **Renumbering is not an option**** > > **=95 **One IPv6 subnet incorp. WSNs and backbone**** > > **=95 **Need to mark the packet for Diffserv**** > > ** ** > > P7: Large/Deep Mesh**** > > **=95 **From**** > > **=96 **Smart cities; city lights monitoring**** > > **=96 **Building automation;**** > > **=95 **RPL / distributed**** > > **=95 **Need different PHYs to get range > *[TW]* Can you detail the different PHYs? > **** > > ** ** > > P8: Coexistence with legacy**** > > **=95 **From**** > > **=96 **industrial (ISA100.11a, wiHART=85)**** > > **=95 **Maybe achieved well enough by TSCH MAC already**** > > **=95 **May be achieved by channel white/black list**** > > **=95 **No goal: sync various networks and W/B list at the > granularity of the slot**** > > ** ** > > Cheers,**** > > ** ** > > Pascal**** > > ** ** > > ** ** > > ** ** > > ** ** > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch --047d7b6707ab999e5a04d96d80ee Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable
Pascal,
Please see inline.
Thomas

On Fri, Mar 29, 2013 at = 10:00 AM, Pascal Thubert (pthubert) <pthubert@cisco.com> wr= ote:

Hi=A0:

=A0

Please find a list I xrefed from the use cases we di= scussed at the call and over the ML; , what did I miss?

Please fire at will=85

=A0

P1: Optimized Multipath hard tracks

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 wireless process control; low rate control loop= s

=96=A0=A0=A0= =A0=A0 Smart cities; WSN service pro= vider

=96=A0=A0=A0= =A0=A0 Vehicular; control IHM

=95=A0=A0=A0= =A0=A0=A0 Optimized =3D> PCE<= u>

=95=A0=A0=A0= =A0=A0=A0 Allocation may be handled by a tier

=95=A0=A0=A0= =A0=A0=A0 6TUS must apply the required slots and move exi= sting if needed


[T= W] and move existing soft cells. We don't expect colliding r= eservations from the PCE, right?
=A0

=A0

P2: Distributed Routing, soft trac= ks

< unsure which use cases?>

=95=A0=A0=A0= =A0=A0=A0 =3D> RSVP or similar


[TW] Possibl= e use cases:
- dynamic topologies (e.g. smart parking)
- large network with no single control entity (smart buildings, = lighting applications)
=A0

=A0

P3=A0: Distributed Routing (best effort)

=95=A0=A0=A0= =A0=A0=A0 =A0From<= /p>

=96=A0=A0=A0= =A0=A0 Industrial; non production ph= ases

=96=A0=A0=A0= =A0=A0 Industrial, Smart cities, hom= e; monitoring

=96=A0=A0=A0= =A0=A0 Commercial; asset tracking

=96=A0=A0=A0= =A0=A0 Home, Commercial; security

=95=A0=A0=A0= =A0=A0=A0 Distributed =3D> RPL


[TW] Pascal,= can you detail the difference between P2 and P3?
=A0

=A0

P4: Mobility (best effort)<= u>

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 Industrial; mobile worker

=96=A0=A0=A0= =A0=A0 Commercial; asset tracking

=95=A0=A0=A0= =A0=A0=A0 Distributed =3D> RPL

=A0

P5: Dynamic slot allocation=

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 Industrial; alerts<= /u>

=96=A0=A0=A0= =A0=A0 Smart cities; Road/Street con= trol

=96=A0=A0=A0= =A0=A0 Smart cities; Smart Urban Par= king

=95=A0=A0=A0= =A0=A0=A0 6TUS must adapt to bursts

=95=A0=A0=A0= =A0=A0=A0 Need to be faster than transport reaction


[TW] also discussed= over the phone: synchronous detection of same event by a large group of no= des.
=A0

=A0

P6: Backbone

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 Industrial; large plant

=95=A0=A0=A0= =A0=A0=A0 Renumbering is not an option<= /span>

=95=A0=A0=A0= =A0=A0=A0 One IPv6 subnet incorp. WSNs and backbone

=95=A0=A0=A0= =A0=A0=A0 Need to mark the packet for Diffserv<= /u>

=A0

P7: Large/Deep Mesh

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 Smart cities; city lights mon= itoring

=96=A0=A0=A0= =A0=A0 Building automation;

=95=A0=A0=A0= =A0=A0=A0 RPL / distributed

=95=A0=A0=A0= =A0=A0=A0 Need different PHYs to get range


[TW] Can you detail the diff= erent PHYs?
=A0

=A0

P8: Coexistence with legacy=

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 industrial (ISA100.11a, wiHART=85)

=95=A0=A0=A0= =A0=A0=A0 Maybe achieved well enough by TSCH MAC already<= u>

=95=A0=A0=A0= =A0=A0=A0 May be achieved by channel white/black list<= /u>

=95=A0=A0=A0= =A0=A0=A0 No goal: sync various networks and W/B list at = the granularity of the slot

=A0

Cheers,

=A0

Pascal

=A0

=A0

=A0

=A0


_______________________________________________
6tsch mailing list
6tsch@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/6tsch
--047d7b6707ab999e5a04d96d80ee-- From twatteyne@gmail.com Tue Apr 2 22:37:21 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 912AD21F8659 for <6tsch@ietfa.amsl.com>; Tue, 2 Apr 2013 22:37:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.976 X-Spam-Level: X-Spam-Status: No, score=-2.976 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XBTAAvtRSVtp for <6tsch@ietfa.amsl.com>; Tue, 2 Apr 2013 22:37:20 -0700 (PDT) Received: from mail-pb0-f54.google.com (mail-pb0-f54.google.com [209.85.160.54]) by ietfa.amsl.com (Postfix) with ESMTP id 38BD621F8576 for <6tsch@ietf.org>; Tue, 2 Apr 2013 22:37:20 -0700 (PDT) Received: by mail-pb0-f54.google.com with SMTP id xa7so648687pbc.27 for <6tsch@ietf.org>; Tue, 02 Apr 2013 22:37:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; bh=//mPCqVlFHJNErQ3aVnwqCDBKOzz/Uq2JpD33I5aNcg=; b=niUv8o0eNM54KikD71PK+zcUT90c8AtRzjIGdxnc1QBhxr53w+qbSpqBEkuCnpP5CF B/EEv7L9OI/wUghpXptgURj4D+4Y48i5raf0AKx9VjrPeEDVvfz+pBLYPOVJ8qxd21G7 rsHgix/ZSLqAFt7xKDRwOYEHQmVj+Dxqo82W+h1IS5CyvVaiOlOYMEUN86PvaMuLpYpE 8ldgGzS/vyvFLxS8B0DEoHxN+mqjlzEmPeZu5rCAmWwLJX37+ZBtBDT9BIRa363KV/m4 xurLq90w/L9jEhJBW3cod/c8VddaaKcCb9ZMZyhKQD6ZwMvoK5oXktPxYWnihUEa2ds3 RfRA== X-Received: by 10.66.175.73 with SMTP id by9mr1074774pac.191.1364967439756; Tue, 02 Apr 2013 22:37:19 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.121.33 with HTTP; Tue, 2 Apr 2013 22:36:59 -0700 (PDT) In-Reply-To: References: From: Thomas Watteyne Date: Tue, 2 Apr 2013 22:36:59 -0700 X-Google-Sender-Auth: x9Lra3_Yz6Rd4RZR7eGLXyaHMuE Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7bd6afc860791804d96e3fbc Subject: Re: [6tsch] Problem Statement X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Apr 2013 05:37:21 -0000 --047d7bd6afc860791804d96e3fbc Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Pascal, I'd like to add the issue raised by Dominique a couple of days ago: manageability of an "umbrella" network carrying flows from different independent entities. A use case could go as follows. The city of Smallworld has decided to invest in "smart city" technology, and wants to install a pilot low-power wireless network to cover a couple of blocks in the city center. The city sees this as good PR, but does not really know what exact traffic this network will need to carry. The city really wants the network to be up and running as soon as possible, and decides to contact SmartCo. Within a couple of weeks, SmartCo goes out and installs a few hundred relay nodes on lighting poles and in trees throughout the city center. It partners with a local air quality company, and installs 5 air quality sensors, which feed a "live" display in the central square. Each air quality sensor produces only one data packet per 10min, and so the network sits idle most of the time. SmartCo's business model is to run the network, and make revenue by carrying other people's data. So it sends free development kits to different companies and universities in the area. Soon, the local garbage company builds a contraption to monitor the fill level of the garbage cans in real time, and monitor the state of their new "solar compactor" bins. Then, the lighting people want to install a node per lighting pole to receive an alert when a street light fails. Then, the city wants to use the network to switch the municipal sprinkler system on and off dependent on the weather. Soon, a dozen flows transition over the initial network of relays. Luckily, SmartCo has been smart to install a 6tsch network in the first place. This gives it a lot of advantages: - through traffic differentiation, it can guarantee that the lighting data never overwhelms the network and impacts sprinkler data. - because of the slotted nature of communication, is knows exactly how "busy" each node is, and can predict battery lifetime and schedule possible replacements well ahead of time. - because of the backbone topology adopted, the garbage company does not need to change their addressing scheme when a can it moved by a couple of blocks. - SmartCo introduces a novel way of billing by showing the customer exactly how many "mote-months" of battery carrying their data has cost the network, and bills accordingly. It puts a "bill simulator" online, to let the customer decide on the trade-off between latency and throughput that works best for him. - Before accepting a new customer, SmartCo is able to precisely predict the impact on its network. Similarly, when a customer leaves (or pauses data generation), the network adapts and makes this energy available to other customers. Thomas On Tue, Apr 2, 2013 at 9:43 PM, Thomas Watteyne wrote: > Pascal, > Please see inline. > Thomas > > On Fri, Mar 29, 2013 at 10:00 AM, Pascal Thubert (pthubert) < > pthubert@cisco.com> wrote: > >> Hi :**** >> >> ** ** >> >> Please find a list I xrefed from the use cases we discussed at the call >> and over the ML; , what did I miss?**** >> >> Please fire at will=85**** >> >> ** ** >> >> P1: Optimized Multipath hard tracks**** >> >> **=95 **From**** >> >> **=96 **wireless process control; low rate control loops**** >> >> **=96 **Smart cities; WSN service provider**** >> >> **=96 **Vehicular; control IHM **** >> >> **=95 **Optimized =3D> PCE**** >> >> **=95 **Allocation may be handled by a tier**** >> >> **=95 **6TUS must apply the required slots and move existing if >> needed >> > > *[TW]* and move existing *soft cells*. We don't expect colliding > reservations from the PCE, right? > > >> **** >> >> ** ** >> >> P2: Distributed Routing, soft tracks**** >> >> < unsure which use cases?>**** >> >> **=95 **=3D> RSVP or similar >> > > *[TW]* Possible use cases: > - dynamic topologies (e.g. smart parking) > - large network with no single control entity (smart buildings, lighting > applications) > > >> **** >> >> ** ** >> >> P3 : Distributed Routing (best effort)**** >> >> **=95 ** From**** >> >> **=96 **Industrial; non production phases**** >> >> **=96 **Industrial, Smart cities, home; monitoring**** >> >> **=96 **Commercial; asset tracking**** >> >> **=96 **Home, Commercial; security**** >> >> **=95 **Distributed =3D> RPL >> > > *[TW]* Pascal, can you detail the difference between P2 and P3? > > >> **** >> >> ** ** >> >> P4: Mobility (best effort)**** >> >> **=95 **From**** >> >> **=96 **Industrial; mobile worker**** >> >> **=96 **Commercial; asset tracking**** >> >> **=95 **Distributed =3D> RPL**** >> >> ** ** >> >> P5: Dynamic slot allocation**** >> >> **=95 **From**** >> >> **=96 **Industrial; alerts**** >> >> **=96 **Smart cities; Road/Street control**** >> >> **=96 **Smart cities; Smart Urban Parking **** >> >> **=95 **6TUS must adapt to bursts**** >> >> **=95 **Need to be faster than transport reaction >> > > *[TW]* also discussed over the phone: synchronous detection of same event > by a large group of nodes. > > >> **** >> >> ** ** >> >> P6: Backbone**** >> >> **=95 **From**** >> >> **=96 **Industrial; large plant**** >> >> **=95 **Renumbering is not an option**** >> >> **=95 **One IPv6 subnet incorp. WSNs and backbone**** >> >> **=95 **Need to mark the packet for Diffserv**** >> >> ** ** >> >> P7: Large/Deep Mesh**** >> >> **=95 **From**** >> >> **=96 **Smart cities; city lights monitoring**** >> >> **=96 **Building automation;**** >> >> **=95 **RPL / distributed**** >> >> **=95 **Need different PHYs to get range >> > > *[TW]* Can you detail the different PHYs? > > >> **** >> >> ** ** >> >> P8: Coexistence with legacy**** >> >> **=95 **From**** >> >> **=96 **industrial (ISA100.11a, wiHART=85)**** >> >> **=95 **Maybe achieved well enough by TSCH MAC already**** >> >> **=95 **May be achieved by channel white/black list**** >> >> **=95 **No goal: sync various networks and W/B list at the >> granularity of the slot**** >> >> ** ** >> >> Cheers,**** >> >> ** ** >> >> Pascal**** >> >> ** ** >> >> ** ** >> >> ** ** >> >> ** ** >> >> _______________________________________________ >> 6tsch mailing list >> 6tsch@ietf.org >> https://www.ietf.org/mailman/listinfo/6tsch > > > --047d7bd6afc860791804d96e3fbc Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable
Pascal,

I'd like to add the i= ssue raised by Dominique a couple of days ago: manageability of an "um= brella" network carrying flows from different independent entities.

A use case could go as follows. The city of= Smallworld has decided to invest in "smart city" technology, and= wants to install a pilot low-power wireless network to cover a couple of b= locks in the city center. The city sees this as good PR, but does not reall= y know what exact traffic this network will need to carry. The city really = wants the network to be up and running as soon as possible, and decides to = contact SmartCo.

Within a couple of weeks, SmartCo goes out = and installs a few hundred relay nodes on lighting poles and in trees throu= ghout the city center. It partners with a local air quality company, and in= stalls 5 air quality sensors, which feed a "live" display in the = central square. Each air quality sensor produces only one data packet per 1= 0min, and so the network sits idle most of the time.

SmartCo's business model is to run the = network, and make revenue by carrying other people's data. So it sends = free development kits to different companies and universities in the area. = Soon, the local garbage company builds a contraption to monitor the fill le= vel of the garbage cans in real time, and monitor the state of their new &q= uot;solar compactor" bins. Then, the lighting people want to install a= node per lighting pole to receive an alert when a street light fails. Then= , the city wants to use the network to switch the municipal sprinkler syste= m on and off dependent on the weather. Soon, a dozen flows transition over = the initial network of relays.

Luckily, SmartCo has been smart to install = a 6tsch network in the first place. This gives it a lot of advantages:
- through traffic differentiation, it can guarantee that the li= ghting data never overwhelms the network and impacts sprinkler data.
- because of the slotted nature of communication, is knows exact= ly how "busy" each node is, and can predict battery lifetime and = schedule possible replacements well ahead of time.
- becaus= e of the backbone topology adopted, the garbage company does not need to ch= ange their addressing scheme when a can it moved by a couple of blocks.
- SmartCo introduces a novel way of billing by showing the custo= mer exactly how many "mote-months" of battery carrying their data= has cost the network, and bills accordingly. It puts a "bill simulato= r" online, to let the customer decide on the trade-off between latency= and throughput that works best for him.
- Before accepting a new customer, SmartCo is able to precisely = predict the impact on its network. Similarly, when a customer leaves (or pa= uses data generation), the network adapts and makes this energy available t= o other customers.

Thomas



On Tue, Apr 2, 20= 13 at 9:43 PM, Thomas Watteyne <watteyne@eecs.berkeley.edu>= ; wrote:
Pascal,
Please see inli= ne.
Thomas

On Fri, Mar 29, 2013 at 10:00 AM, Pascal Thubert (pthuber= t) <pthubert@cisco.com> wrote:

Hi=A0:

=A0

Please find a list I xrefed from the use cases we di= scussed at the call and over the ML; , what did I miss?

Please fire at will=85

=A0

P1: Optimized Multipath hard tracks

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 wireless process control; low rate control loop= s

=96=A0=A0=A0= =A0=A0 Smart cities; WSN service pro= vider

=96=A0=A0=A0= =A0=A0 Vehicular; control IHM

=95=A0=A0=A0= =A0=A0=A0 Optimized =3D> PCE<= u>

=95=A0=A0=A0= =A0=A0=A0 Allocation may be handled by a tier

=95=A0=A0=A0= =A0=A0=A0 6TUS must apply the required slots and move exi= sting if needed


[T= W] and move existing soft cells. We don't expect colliding r= eservations from the PCE, right?
=A0

=A0

P2: Distributed Routing, soft trac= ks

< unsure which use cases?>

=95=A0=A0=A0= =A0=A0=A0 =3D> RSVP or similar


[TW] Possibl= e use cases:
- dynamic topologies (e.g. smart parking)
- large network with no single control entity (smart buildings, lighti= ng applications)
=A0

=A0

P3=A0: Distributed Routing (best effort)

=95=A0=A0=A0= =A0=A0=A0 =A0From<= /p>

=96=A0=A0=A0= =A0=A0 Industrial; non production ph= ases

=96=A0=A0=A0= =A0=A0 Industrial, Smart cities, hom= e; monitoring

=96=A0=A0=A0= =A0=A0 Commercial; asset tracking

=96=A0=A0=A0= =A0=A0 Home, Commercial; security

=95=A0=A0=A0= =A0=A0=A0 Distributed =3D> RPL


[TW] Pascal,= can you detail the difference between P2 and P3?
=A0

=A0

P4: Mobility (best effort)<= u>

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 Industrial; mobile worker

=96=A0=A0=A0= =A0=A0 Commercial; asset tracking

=95=A0=A0=A0= =A0=A0=A0 Distributed =3D> RPL

=A0

P5: Dynamic slot allocation=

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 Industrial; alerts<= /u>

=96=A0=A0=A0= =A0=A0 Smart cities; Road/Street con= trol

=96=A0=A0=A0= =A0=A0 Smart cities; Smart Urban Par= king

=95=A0=A0=A0= =A0=A0=A0 6TUS must adapt to bursts

=95=A0=A0=A0= =A0=A0=A0 Need to be faster than transport reaction


[TW] also discussed= over the phone: synchronous detection of same event by a large group of no= des.
=A0

=A0

P6: Backbone

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 Industrial; large plant

=95=A0=A0=A0= =A0=A0=A0 Renumbering is not an option<= /span>

=95=A0=A0=A0= =A0=A0=A0 One IPv6 subnet incorp. WSNs and backbone

=95=A0=A0=A0= =A0=A0=A0 Need to mark the packet for Diffserv<= /u>

=A0

P7: Large/Deep Mesh

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 Smart cities; city lights mon= itoring

=96=A0=A0=A0= =A0=A0 Building automation;

=95=A0=A0=A0= =A0=A0=A0 RPL / distributed

=95=A0=A0=A0= =A0=A0=A0 Need different PHYs to get range


[TW] Can you detail the diff= erent PHYs?
=A0

=A0

P8: Coexistence with legacy=

=95=A0=A0=A0= =A0=A0=A0 From

=96=A0=A0=A0= =A0=A0 industrial (ISA100.11a, wiHART=85)

=95=A0=A0=A0= =A0=A0=A0 Maybe achieved well enough by TSCH MAC already<= u>

=95=A0=A0=A0= =A0=A0=A0 May be achieved by channel white/black list<= /u>

=95=A0=A0=A0= =A0=A0=A0 No goal: sync various networks and W/B list at = the granularity of the slot

=A0

Cheers,<= /font>

=A0

Pascal

=A0

=A0

=A0

=A0


_______________________________________________
6tsch mailing list
6tsch@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/6tsch

--047d7bd6afc860791804d96e3fbc-- From pthubert@cisco.com Wed Apr 3 02:35:25 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3420521F85D4 for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 02:35:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.598 X-Spam-Level: X-Spam-Status: No, score=-10.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ha6GFmjgW1tw for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 02:35:22 -0700 (PDT) Received: from rcdn-iport-1.cisco.com (rcdn-iport-1.cisco.com [173.37.86.72]) by ietfa.amsl.com (Postfix) with ESMTP id 3787B21F860B for <6tsch@ietf.org>; Wed, 3 Apr 2013 02:35:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=29784; q=dns/txt; s=iport; t=1364981722; x=1366191322; h=from:to:subject:date:message-id:references:in-reply-to: mime-version; bh=cXLLiDXOqQBI95u80g62yD9s8NMBcTmA18pyLYY9DvM=; b=i5eIVkmxVpIoBx626P5EjYLL6Sz94t82/GLzFEiI/S1MsoTB9Ch6Kq1V XWQC9h3u7mRh8vEG65OBY1W6MNHG8b/GUXLFop79VtL651NvLB+mZQpI4 nwzFPE70/j1WlYw8KAGVaLbdJclxJRR4VW1bEe0shxzSWgwMkYoMyV8RY Y=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AoUFAMv2W1GtJV2Z/2dsb2JhbABDDoI1RDbAOIEMFnSCIAEBBAEBASpBGwIBCCIWAQYHJwsUEQIEARIIiAwMwT8EiQWFYy0KAYJfYQOndoJMP4Io X-IronPort-AV: E=Sophos;i="4.87,399,1363132800"; d="scan'208,217";a="194242384" Received: from rcdn-core-2.cisco.com ([173.37.93.153]) by rcdn-iport-1.cisco.com with ESMTP; 03 Apr 2013 09:35:21 +0000 Received: from xhc-rcd-x10.cisco.com (xhc-rcd-x10.cisco.com [173.37.183.84]) by rcdn-core-2.cisco.com (8.14.5/8.14.5) with ESMTP id r339ZL1k015345 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Wed, 3 Apr 2013 09:35:21 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.152]) by xhc-rcd-x10.cisco.com ([173.37.183.84]) with mapi id 14.02.0318.004; Wed, 3 Apr 2013 04:35:21 -0500 From: "Pascal Thubert (pthubert)" To: Thomas Watteyne , IETF 6TSCH <6tsch@ietf.org> Thread-Topic: [6tsch] Problem Statement Thread-Index: AQHOMCX0fu7sr87/eUe8GNNI52ksn5jENasg Date: Wed, 3 Apr 2013 09:35:20 +0000 Deferred-Delivery: Wed, 3 Apr 2013 09:34:00 +0000 Message-ID: References: In-Reply-To: Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.49.80.24] Content-Type: multipart/alternative; boundary="_000_E045AECD98228444A58C61C200AE1BD835D0AC00xmbrcdx01ciscoc_" MIME-Version: 1.0 Subject: Re: [6tsch] Problem Statement X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Apr 2013 09:35:25 -0000 --_000_E045AECD98228444A58C61C200AE1BD835D0AC00xmbrcdx01ciscoc_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hello Thomas: Please see inline P1: Optimized Multipath hard tracks * From - wireless process control; low rate control loops - Smart cities; WSN service provider - Vehicular; control IHM * Optimized =3D> PCE * Allocation may be handled by a tier * 6TUS must apply the required slots and move existing if needed [TW] and move existing soft cells. We don't expect colliding reservations f= rom the PCE, right? [Pascal] agreed P2: Distributed Routing, soft tracks < unsure which use cases?> * =3D> RSVP or similar [TW] Possible use cases: - dynamic topologies (e.g. smart parking) - large network with no single control entity (smart buildings, lighting ap= plications) [Pascal] I'm a bit concerned on whether we really need a reservation or can= simply do QoS / best effort there. A reservation is good when you have a repeatable pattern like a phone call = or a control loop, that you want to prioritize. Do you think the use cases above qualify? Do we have other use cases that w= ould look more like that? Going through this cross ref, it appeared to me that the need for determini= stic behavior was tightly associated with the need for optimization and cen= tral computation. If that is mostly so, then the RSVP work can be lower priority for the grou= p. P3 : Distributed Routing (best effort) * From - Industrial; non production phases - Industrial, Smart cities, home; monitoring - Commercial; asset tracking - Home, Commercial; security * Distributed =3D> RPL [TW] Pascal, can you detail the difference between P2 and P3? [Pascal] P2 needs an additional reservation, ala RSVP, some Call Admission = Control and Ingress shaping. This is treating a sensor stream as a voice ca= ll over IP. P3 is more classical data. It needs some aggregate bandwidth between nodes = and some slot management to accommodate bursts, like a CIR in Frame Relay. With P3, the access to the transmit queue is ruled by traditional QoS and R= ED. P4: Mobility (best effort) * From - Industrial; mobile worker - Commercial; asset tracking * Distributed =3D> RPL P5: Dynamic slot allocation * From - Industrial; alerts - Smart cities; Road/Street control - Smart cities; Smart Urban Parking * 6TUS must adapt to bursts * Need to be faster than transport reaction [TW] also discussed over the phone: synchronous detection of same event by = a large group of nodes. [Pascal] Yes, that was in a very condensed fashion the aim of item 1, alert= s. P6: Backbone * From - Industrial; large plant * Renumbering is not an option * One IPv6 subnet incorp. WSNs and backbone * Need to mark the packet for Diffserv P7: Large/Deep Mesh * From - Smart cities; city lights monitoring - Building automation; * RPL / distributed * Need different PHYs to get range [TW] Can you detail the different PHYs? [Pascal] That was an item at the call, I think that bands in the 8-900 MHz = where discussed for farther reachability. The question I have with that is = whether we expect to maintain some degree of determinism across different P= HYs. This looks like a complex thing to do and a stretch goal at best. Certainly= there will be a loss in what can be expected, and usually the least capabl= e will be the main contributor (eg 802.15.4 with an Ethernet backbone). P8: Coexistence with legacy * From - industrial (ISA100.11a, wiHART...) * Maybe achieved well enough by TSCH MAC already * May be achieved by channel white/black list * No goal: sync various networks and W/B list at the granularity of t= he slot Cheers, Pascal _______________________________________________ 6tsch mailing list 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch --_000_E045AECD98228444A58C61C200AE1BD835D0AC00xmbrcdx01ciscoc_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hello Thomas:<= /span>

 <= /p>

Please see inline<= span style=3D"font-size:11.0pt;font-family:"Calibri","sans-s= erif";color:#1F497D">

P1: Optimized Multipath hard tracks

•= ;      = ; From

–= ;      wireless process control; low rate control loops

–= ;      Smart cities; WSN service provider

–= ;      Vehicular; control IHM

•= ;      = ; Optimized =3D> PCE

•= ;      = ; Allocation may be handled by a tier

•= ;      = ; 6TUS must apply the required slots and move existing if needed<= /o:p>

 

[TW] and move existing soft cells. We = don't expect colliding reservations from the PCE, right?

 

[Pascal] agreed

 

 

P2: Distributed Routing, soft tracks

< unsure which use cases?>

•= ;      = ; =3D> RSVP or similar

 

[TW] Possible use cases:

- dynamic topologies (e.g. smart parking)=

- large network with no single control entity (smart= buildings, lighting applications)

 

[Pascal]= I’m a bit concerned on whether we rea= lly need a reservation or can simply do QoS / best effort there.<= /p>

A reservation is good whe= n you have a repeatable pattern like a phone call or a control loop, that y= ou want to prioritize.

Do you think the use case= s above qualify? Do we have other use cases that would look more like that?

Going through this cross = ref, it appeared to me that the need for deterministic behavior was tightly= associated with the need for optimization and central computation.

If that is mostly so, the= n the RSVP work can be lower priority for the group.

 

P3 : Distributed Routing (best effort)

•= ;      = ;  From

–= ;      Industrial; non production phases

–= ;      Industrial, Smart cities, home; monitoring<= o:p>

–= ;      Commercial; asset tracking

–= ;      Home, Commercial; security

•= ;      = ; Distributed =3D> RPL

 

[TW] Pascal, can you detail the difference be= tween P2 and P3?

 

[Pascal] P2 needs an additional reservatio= n, ala RSVP, some Call Admission Control and Ingress shaping. This is treat= ing a sensor stream as a voice call over IP.

P3 is more classical data= . It needs some aggregate bandwidth between nodes and some slot management = to accommodate bursts, like a CIR in Frame Relay.

With P3, the access to th= e transmit queue is ruled by traditional QoS and RED.  

 

P4: Mobility (best effort)

•= ;      = ; From

–= ;      Industrial; mobile worker

–= ;      Commercial; asset tracking

•= ;      = ; Distributed =3D> RPL

 

P5: Dynamic slot allocation

•= ;      = ; From

–= ;      Industrial; alerts

–= ;      Smart cities; Road/Street control

–= ;      Smart cities; Smart Urban Parking

•= ;      = ; 6TUS must adapt to bursts

•= ;      = ; Need to be faster than transport reaction

 

[TW] also discussed over the phone: synchrono= us detection of same event by a large group of nodes.

 

[Pascal] Yes, that was in a very condensed= fashion the aim of item 1, alerts.

 

P6: Backbone

•= ;      = ; From

–= ;      Industrial; large plant

•= ;      = ; Renumbering is not an option

•= ;      = ; One IPv6 subnet incorp. WSNs and backbone

•= ;      = ; Need to mark the packet for Diffserv

 

P7: Large/Deep Mesh

•= ;      = ; From

–= ;      Smart cities; city lights monitoring

–= ;      Building automation;

•= ;      = ; RPL / distributed

•= ;      = ; Need different PHYs to get range

 

[TW] Can you detail the different PHYs?<= /o:p>

 

[Pascal]= That was an item at the call, I think that = bands in the 8-900 MHz where discussed for farther reachability. The question I = have with that is whether we expect to maintain some degree of determinism = across different PHYs.

This looks like a complex= thing to do and a stretch goal at best. Certainly there will be a loss in = what can be expected, and usually the least capable will be the main contributor (eg 802.15.4 with an Ethernet backbone).

 

P8: Coexistence with legacy

•= ;      = ; From

–= ;      industrial (ISA100.11a, wiHART…)

•= ;      = ; Maybe achieved well enough by TSCH MAC already

•= ;      = ; May be achieved by channel white/black list

•= ;      = ; No goal: sync various networks and W/B list at the granularity of th= e slot

 

Cheers,

 

Pascal

 

 

 

 


_______________________________________________
6tsch mailing list
6tsch@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/6tsch

--_000_E045AECD98228444A58C61C200AE1BD835D0AC00xmbrcdx01ciscoc_-- From alexandru.petrescu@gmail.com Wed Apr 3 04:39:51 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 687D621F8700 for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 04:39:51 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.193 X-Spam-Level: X-Spam-Status: No, score=-10.193 tagged_above=-999 required=5 tests=[AWL=0.056, BAYES_00=-2.599, HELO_EQ_FR=0.35, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Um2WWRX3p0DV for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 04:39:50 -0700 (PDT) Received: from sainfoin-out.extra.cea.fr (sainfoin-out.extra.cea.fr [132.167.192.145]) by ietfa.amsl.com (Postfix) with ESMTP id BE7B921F86F0 for <6tsch@ietf.org>; Wed, 3 Apr 2013 04:39:49 -0700 (PDT) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by sainfoin.extra.cea.fr (8.14.2/8.14.2/CEAnet-Internet-out-2.3) with ESMTP id r33Bdmv1004572 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for <6tsch@ietf.org>; Wed, 3 Apr 2013 13:39:48 +0200 Received: from muguet2.intra.cea.fr (muguet2.intra.cea.fr [132.166.192.7]) by pisaure.intra.cea.fr (8.14.4/8.14.4) with ESMTP id r33BdmEU010334 for <6tsch@ietf.org>; Wed, 3 Apr 2013 13:39:48 +0200 (envelope-from alexandru.petrescu@gmail.com) Received: from [127.0.0.1] (is010446-4.intra.cea.fr [10.8.33.116]) by muguet2.intra.cea.fr (8.13.8/8.13.8/CEAnet-Intranet-out-1.2) with ESMTP id r33Bdixu019716 for <6tsch@ietf.org>; Wed, 3 Apr 2013 13:39:48 +0200 Message-ID: <515C14EF.4050100@gmail.com> Date: Wed, 03 Apr 2013 13:39:27 +0200 From: Alexandru Petrescu User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130307 Thunderbird/17.0.4 MIME-Version: 1.0 To: 6tsch@ietf.org References: <0684a7f8d22904729c69741e6e1e44fd.squirrel@calmail.berkeley.edu> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [6tsch] focussing on charter: use cases X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Apr 2013 11:39:51 -0000 Le 21/03/2013 16:52, Pascal Thubert (pthubert) a écrit : [...] > - vehicular automation. We can save copper for most of the man to > machine interfaces, which translates in both lower price and lower > gas consumption. For vehicular aspects, one may be interested in looking at the ITS effort at IETF. Generally speaking, inside a vehicle there may be a need for a link layer which is more reliable for more critical applications. But still inside the vehicle, there are many many link technologies deployed. One may name CAN and also Ethernet. For vehicle-to-vehicle communications many _other_ link layer technologies are considered (different than what's inside). E.g. there is CAN inside and 802.11p outside. Some characteristics of 802.11p make it high-power (as opposed to low power of 802.15.4). There is also the 'route automation' concept, which is like Vehicle-to-Roadside communications, or maybe charging via special rails, etc. The concepts are very numerous in this space and may be treated separately. At the same time, yes - MANET and RoLL WGs (and MANEMO BoF) came up with aspects of routing protocols which may need to be considered together. Yours, Alex > - commercial automation. As you suggest, we can do asset tracking > operations on the move, report temperature of freezers. > > For health care, I'd agree but we have to be very cautious in what > we claim. There is so much regulation around that we cannot commit > that the technology is good enough to replace a wire which is > sometimes imposed by law, actually. > > Basically, I'd say that 6TSCH can play many places where people > expected zigbee but did not find it reliable enough. > > Pascal > > > -----Original Message----- From: 6tsch-bounces@ietf.org > [mailto:6tsch-bounces@ietf.org] On Behalf Of Qin Wang Sent: jeudi 21 > mars 2013 15:52 To: Thomas Watteyne Cc: 6tsch@ietf.org Subject: Re: > [6tsch] focussing on charter: use cases > > Pascal and Thomas, > > I agree it is very important to specify the use cases which 6tus > will support. Here is some comments and suggestions. > > (1) Regarding to industry automation, I think it may be better to > describe Process Automation and Factory Automation separately. > > (2) Other potential use cases: - Health care - Asset tracking and > monitoring - Location based service > > Qin > > > >> Pascal, all, >> >> Absolutely agreed. I believe we have started exploring quite a bit, >> enough to have a clear understanding of what we can achieve with >> this technology as a WG. So let's spend some time on use cases and >> building a good case to convince an AD. >> >> We could start by listing what TSCH is "good at", and what makes it >> different from other solutions. I see the following: - reliability: >> 5 9's of end-to-end reliability are commonplace. - low-power: >> aggressive radio duty cycling of the mote's radio yields much >> longer lifetime in battery-powered devices. - traffic engineering: >> the clear identification of resources allows for flow independence >> and QoS. >> >> Of course, from those points, industrial applications immediately >> come to mind. Yet, we could take use cases from other areas. We >> could for example take the ROLL requirement drafts as a skeleton >> (I'm paraphrasing some of the points Xavi and Alfredo made). >> >> - industrial automation. A 6TSCH network can allow for high >> reliability, and deterministic behavior. Link over-provisioning can >> efficiently combat the unreliable nature of wireless and provide a >> robust communication. - building automation. A 6TSCH network can >> serve as an "umbrella" network for a large number of sensing points >> in the building. These sensing points can be owned and operated by >> different entities (e.g. HVAC and lighting). The 6TSCH network >> allows for the different traffic flows to stay independent from one >> another. - because of a 6TSCH node is deeply duty cycle, remote >> sensing application (e.g. agricultural applications) can rely on >> energy harvesting as power source. - A smart urban parking >> application can benefit from the reliabilty of 6TSCH network since, >> even though the vehicle detection sensor may be static, the >> constant movement of cars around the sensing points can cause the >> wireless environment to quickly change. >> >> Thomas >> >> On Tue, Mar 19, 2013 at 12:08 PM, Pascal Thubert (pthubert) < >> pthubert@cisco.com> wrote: >> >>> Dear ML:**** >>> >>> ** ** >>> >>> The activity that we generate on the mailing list is a good >>> indication we will be very successful as a WG. First thing first, >>> though, we need to create the WG and need to focus a little bit >>> on the necessary steps to get there.**** >>> >>> ** ** >>> >>> We need to put together a rough charter, and convince an AD, >>> probably Adrian from Routing Area or Ted from Internet Area, >>> that we have real problems to solve and that we, as a group, can >>> provide valuable answers. The ADs agendas are very full all the >>> time, but certainly peaks around the meeting times. So we have >>> about 2 week in front of us to prepare a solid case.**** >>> >>> ** ** >>> >>> So I suggest we step back a minute from the details of time >>> frames and priorities and spend some energy on the use cases, >>> the problems we are solving, and the work we have to do to get >>> there. I notice a cool discussion on mobility and the particular >>> case of a crane, well that’s a use case. We already had >>> centralized deterministic (hard slot) routes for command and >>> control, distributed deterministic (soft slots) and non >>> deterministic QoS based flows. Do we have others cases?**** >>> >>> **** >>> >>> Cheers,**** >>> >>> ** ** >>> >>> Pascal**** >>> >>> ** ** >>> >>> ** ** >>> >>> _______________________________________________ 6tsch mailing >>> list 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch >>> >>> >> _______________________________________________ 6tsch mailing list >> 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch >> > > _______________________________________________ 6tsch mailing list > 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch > _______________________________________________ 6tsch mailing list > 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch > From alexandru.petrescu@gmail.com Wed Apr 3 04:41:52 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 210C621F8A91 for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 04:41:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.199 X-Spam-Level: X-Spam-Status: No, score=-10.199 tagged_above=-999 required=5 tests=[AWL=0.050, BAYES_00=-2.599, HELO_EQ_FR=0.35, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id V9a0w-aEDVrc for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 04:41:51 -0700 (PDT) Received: from cirse-out.extra.cea.fr (cirse-out.extra.cea.fr [132.167.192.142]) by ietfa.amsl.com (Postfix) with ESMTP id 2951721F8A7E for <6tsch@ietf.org>; Wed, 3 Apr 2013 04:41:50 -0700 (PDT) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by cirse.extra.cea.fr (8.14.2/8.14.2/CEAnet-Internet-out-2.3) with ESMTP id r33Bfovm020273 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for <6tsch@ietf.org>; Wed, 3 Apr 2013 13:41:50 +0200 Received: from muguet2.intra.cea.fr (muguet2.intra.cea.fr [132.166.192.7]) by pisaure.intra.cea.fr (8.14.4/8.14.4) with ESMTP id r33BfoBI011013 for <6tsch@ietf.org>; Wed, 3 Apr 2013 13:41:50 +0200 (envelope-from alexandru.petrescu@gmail.com) Received: from [127.0.0.1] (is010446-4.intra.cea.fr [10.8.33.116]) by muguet2.intra.cea.fr (8.13.8/8.13.8/CEAnet-Intranet-out-1.2) with ESMTP id r33BfmvG022071 for <6tsch@ietf.org>; Wed, 3 Apr 2013 13:41:49 +0200 Message-ID: <515C1572.4090303@gmail.com> Date: Wed, 03 Apr 2013 13:41:38 +0200 From: Alexandru Petrescu User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130307 Thunderbird/17.0.4 MIME-Version: 1.0 To: 6tsch@ietf.org References: In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [6tsch] Agenda for the call March 22nd, 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Apr 2013 11:41:52 -0000 Le 21/03/2013 17:55, Pascal Thubert (pthubert) a écrit : [...] > - vehicular automation. > > * We can save copper for most of the man to machine interfaces, which > translates in both lower price and lower gas consumption. You mean _inside_ a vehicle, right? Something like GUI on a tablet assisting the driver, tap a button, send 'open window', wirelessly - right? Alex > > - commercial automation. > > * asset tracking operations on the move (again mobility, and > dynamics). > > * monitoring e.g. temperature of freezers, intrusion sensors, … > > Please bring your own thoughts so we can converge at the call : ) > > As an appetizer, we can start with > > * summary overview Orlando meeting (10 minutes) > > o agendas two meetings o 4 drafts presented o TODO: 6tus, add ability > for a PCE to set hard cells on one side only (text already changed) o > TODO: typos o TODO: terminology > > Then the entrée (40 minutes) > > * charter use cases: > > o review the list above o validate the list of derived problems to be > solved o focus on what TSCH is good at: reliability, low-power > consumption, traffic engineering > > for dessert > > * open technical discussions > > o synchronization between BBRs > > + summarize and discuss proposal > > o slotframes, cells and priorities > > + summarize and discuss proposal > > o interaction between RPL and PCE > > + summarize current state of the discussion > > ** > > Please let us know if you wish to add / amend stuff in the above : ) > > Cheers, > > Pascal > > PS, call info is as always: > > > Topic: 6TSCH Weekly Date: Every Friday, from Friday, March 8, 2013 to > Friday, March 7, 2014 Time: 8:00 am, Pacific Standard Time (San > Francisco, GMT-08:00) Meeting Number: 206 802 913 Meeting Password: > sixtus > > > ------------------------------------------------------- To join the > online meeting (Now from mobile devices!) > ------------------------------------------------------- 1. Go to > https://cisco.webex.com/ciscosales/j.php?ED=219615007&UID=0&PW=NZTRkNDAwOTE1&RT=MiM0 > > > 2. Enter your name and email address. 3. Enter the meeting password: > sixtus 4. Click "Join Now". > > To view in other time zones or languages, please click the link: > https://cisco.webex.com/ciscosales/j.php?ED=219615007&UID=0&PW=NZTRkNDAwOTE1&ORT=MiM0 > > > > ---------------------------------------------------------------- > ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes > ---------------------------------------------------------------- > > The affected toll free numbers are: (866) 432-9903 for the San > Jose/Milpitas area and (866) 349-3520 for the RTP area. > > Please dial the local access number for your area from the list > below: - San Jose/Milpitas (408) area: 525-6800 - RTP (919) area: > 392-3330 > > ------------------------------------------------------- To join the > teleconference only > ------------------------------------------------------- 1. Dial into > Cisco WebEx (view all Global Access Numbers at > http://cisco.com/en/US/about/doing_business/conferencing/index.html > 2. Follow the prompts to enter the Meeting Number (listed above) or > Access Code followed by the # sign. > > San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330 > > US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117 > > India: +91.80.4350.1111 Germany: +49.619.6773.9002 > > Japan: +81.3.5763.9394 China: +86.10.8515.5666 > > ------------------------------------------------------- For > assistance ------------------------------------------------------- 1. > Go to https://cisco.webex.com/ciscosales/mc 2. On the left navigation > bar, click "Support". > > You can contact me at: pthubert@cisco.com > 33-49-723 2634 > > To add this meeting to your calendar program (for example Microsoft > Outlook), click this link: > https://cisco.webex.com/ciscosales/j.php?ED=219615007&UID=0&ICS=MI&LD=1&RD=2&ST=1&SHA2=AAAAAmvICIpFyZ4imE5seTb7ijZUoMuEgw1h2pXGIGSMyQEb&RT=MiM0 > > > > > > > > > http://www.webex.com > > CCP:+14085256800x206802913# > > IMPORTANT NOTICE: This WebEx service includes a feature that allows > audio and any documents and other materials exchanged or viewed > during the session to be recorded. By joining this session, you > automatically consent to such recordings. If you do not consent to > the recording, discuss your concerns with the meeting host prior to > the start of the recording or do not join the session. Please note > that any such recordings may be subject to discovery in the event of > litigation. > > > > _______________________________________________ 6tsch mailing list > 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch > From pthubert@cisco.com Wed Apr 3 06:10:10 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C6F9021F861A for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 06:10:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.599 X-Spam-Level: X-Spam-Status: No, score=-10.599 tagged_above=-999 required=5 tests=[AWL=0.000, BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pJ72z5WQaxxG for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 06:10:10 -0700 (PDT) Received: from rcdn-iport-5.cisco.com (rcdn-iport-5.cisco.com [173.37.86.76]) by ietfa.amsl.com (Postfix) with ESMTP id B9D2021F860A for <6tsch@ietf.org>; Wed, 3 Apr 2013 06:10:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=5356; q=dns/txt; s=iport; t=1364994610; x=1366204210; h=from:to:subject:date:message-id:references:in-reply-to: content-transfer-encoding:mime-version; bh=pV95E3CyExKCloCOXXse+sToYmQN6EZUf8F/DVN5KXQ=; b=i7NILdBFl6ScLaloCMHzXjpne5AgD++lHNzeHXZG3qh3Pdpz+t0zMexH ime4MCn4QNZAKr39nkrzpUwe5DUaiYuNgepRaYAbfdLmzlPkUeA5itdDc L1tt0IuZqM64QZhRDAyrxLuTXaO4gF6dAVrIVVeLEKeagJ2bhzpJksv3e U=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AoYFALYpXFGtJXG+/2dsb2JhbAApFwODBzbAP4EMFnSCHwEBAQQBAQFSEQgXBAIBCBEDAQEBCwoEDAMHJwsUCQcBAgEDARIIiAwMMLIJjjuNVxEKdgsWBQ0FBgsHgkdhA4hCj0iPbII6UYFsBxcGGA X-IronPort-AV: E=Sophos;i="4.87,401,1363132800"; d="scan'208";a="194537013" Received: from rcdn-core2-3.cisco.com ([173.37.113.190]) by rcdn-iport-5.cisco.com with ESMTP; 03 Apr 2013 13:10:09 +0000 Received: from xhc-rcd-x15.cisco.com (xhc-rcd-x15.cisco.com [173.37.183.89]) by rcdn-core2-3.cisco.com (8.14.5/8.14.5) with ESMTP id r33DA8KX026764 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Wed, 3 Apr 2013 13:10:09 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.152]) by xhc-rcd-x15.cisco.com ([173.37.183.89]) with mapi id 14.02.0318.004; Wed, 3 Apr 2013 08:10:08 -0500 From: "Pascal Thubert (pthubert)" To: Alexandru Petrescu , "6tsch@ietf.org" <6tsch@ietf.org> Thread-Topic: [6tsch] Agenda for the call March 22nd, 2013 Thread-Index: AQHOMGA/dlO83c4u1UiVYfhykqsyNJjEd6ZA Date: Wed, 3 Apr 2013 13:10:08 +0000 Deferred-Delivery: Wed, 3 Apr 2013 13:08:00 +0000 Message-ID: References: <515C1572.4090303@gmail.com> In-Reply-To: <515C1572.4090303@gmail.com> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.49.80.30] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [6tsch] Agenda for the call March 22nd, 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Apr 2013 13:10:10 -0000 Exactly : ) Pascal -----Original Message----- From: 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] On Behalf Of A= lexandru Petrescu Sent: mercredi 3 avril 2013 13:42 To: 6tsch@ietf.org Subject: Re: [6tsch] Agenda for the call March 22nd, 2013 Le 21/03/2013 17:55, Pascal Thubert (pthubert) a =E9crit : [...] > - vehicular automation. > > * We can save copper for most of the man to machine interfaces, which=20 > translates in both lower price and lower gas consumption. You mean _inside_ a vehicle, right? Something like GUI on a tablet assisti= ng the driver, tap a button, send 'open window', wirelessly - right? Alex > > - commercial automation. > > * asset tracking operations on the move (again mobility, and=20 > dynamics). > > * monitoring e.g. temperature of freezers, intrusion sensors, . > > Please bring your own thoughts so we can converge at the call : ) > > As an appetizer, we can start with > > * summary overview Orlando meeting (10 minutes) > > o agendas two meetings o 4 drafts presented o TODO: 6tus, add ability=20 > for a PCE to set hard cells on one side only (text already changed) o > TODO: typos o TODO: terminology > > Then the entr=E9e (40 minutes) > > * charter use cases: > > o review the list above o validate the list of derived problems to be=20 > solved o focus on what TSCH is good at: reliability, low-power=20 > consumption, traffic engineering > > for dessert > > * open technical discussions > > o synchronization between BBRs > > + summarize and discuss proposal > > o slotframes, cells and priorities > > + summarize and discuss proposal > > o interaction between RPL and PCE > > + summarize current state of the discussion > > ** > > Please let us know if you wish to add / amend stuff in the above : ) > > Cheers, > > Pascal > > PS, call info is as always: > > > Topic: 6TSCH Weekly Date: Every Friday, from Friday, March 8, 2013 to=20 > Friday, March 7, 2014 Time: 8:00 am, Pacific Standard Time (San=20 > Francisco, GMT-08:00) Meeting Number: 206 802 913 Meeting Password: > sixtus > > > ------------------------------------------------------- To join the=20 > online meeting (Now from mobile devices!) > ------------------------------------------------------- 1. Go to > https://cisco.webex.com/ciscosales/j.php?ED=3D219615007&UID=3D0&PW=3DNZTR= kND > AwOTE1&RT=3DMiM0 > > > 2. Enter your name and email address. 3. Enter the meeting password: > sixtus 4. Click "Join Now". > > To view in other time zones or languages, please click the link: > https://cisco.webex.com/ciscosales/j.php?ED=3D219615007&UID=3D0&PW=3DNZTR= kND > AwOTE1&ORT=3DMiM0 > > > > ---------------------------------------------------------------- > ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes > ---------------------------------------------------------------- > > The affected toll free numbers are: (866) 432-9903 for the San=20 > Jose/Milpitas area and (866) 349-3520 for the RTP area. > > Please dial the local access number for your area from the list > below: - San Jose/Milpitas (408) area: 525-6800 - RTP (919) area: > 392-3330 > > ------------------------------------------------------- To join the=20 > teleconference only > ------------------------------------------------------- 1. Dial into=20 > Cisco WebEx (view all Global Access Numbers at=20 > http://cisco.com/en/US/about/doing_business/conferencing/index.html > 2. Follow the prompts to enter the Meeting Number (listed above) or=20 > Access Code followed by the # sign. > > San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330 > > US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117 > > India: +91.80.4350.1111 Germany: +49.619.6773.9002 > > Japan: +81.3.5763.9394 China: +86.10.8515.5666 > > ------------------------------------------------------- For assistance=20 > ------------------------------------------------------- 1. > Go to https://cisco.webex.com/ciscosales/mc 2. On the left navigation=20 > bar, click "Support". > > You can contact me at: pthubert@cisco.com =20 > 33-49-723 2634 > > To add this meeting to your calendar program (for example Microsoft=20 > Outlook), click this link: > https://cisco.webex.com/ciscosales/j.php?ED=3D219615007&UID=3D0&ICS=3DMI&= LD=3D > 1&RD=3D2&ST=3D1&SHA2=3DAAAAAmvICIpFyZ4imE5seTb7ijZUoMuEgw1h2pXGIGSMyQEb&R= T=3DM > iM0 > > > > > > > > > http://www.webex.com > > CCP:+14085256800x206802913# > > IMPORTANT NOTICE: This WebEx service includes a feature that allows=20 > audio and any documents and other materials exchanged or viewed during=20 > the session to be recorded. By joining this session, you automatically=20 > consent to such recordings. If you do not consent to the recording,=20 > discuss your concerns with the meeting host prior to the start of the=20 > recording or do not join the session. Please note that any such=20 > recordings may be subject to discovery in the event of litigation. > > > > _______________________________________________ 6tsch mailing list=20 > 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch > _______________________________________________ 6tsch mailing list 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch From twatteyne@gmail.com Wed Apr 3 22:54:20 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7271521F9401 for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 22:54:20 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.976 X-Spam-Level: X-Spam-Status: No, score=-2.976 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lTpRRzlcmfK8 for <6tsch@ietfa.amsl.com>; Wed, 3 Apr 2013 22:54:19 -0700 (PDT) Received: from mail-pb0-f42.google.com (mail-pb0-f42.google.com [209.85.160.42]) by ietfa.amsl.com (Postfix) with ESMTP id 4AA6121F9390 for <6tsch@ietf.org>; Wed, 3 Apr 2013 22:54:19 -0700 (PDT) Received: by mail-pb0-f42.google.com with SMTP id up7so1252202pbc.15 for <6tsch@ietf.org>; Wed, 03 Apr 2013 22:54:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; bh=MCLHQn+97owhnPJGwjieMr0Ur68DO8Tbx4VJilWVWSU=; b=TyuKBwGFpb7Sqq8+Sjrpwr4GFKHv2MgozuRFemSwIcWnWYdVsuImMRxH0YfAaF2DTf rqFdCGl5PYCcCarXoL2ahjcv+jNE7l3B8TdYrqrzMF4zh+H+1DTUmmvw18NHSoygfGjh KlhvJrpLQoCLbzR/UxAH196z/K4JcwZ6qs2zJklVYkaq8eqHFKvLqOkDd8Z9eW0S++Lv 4l6EVtF+44KgjHOaCne7RDlvo6hDA6IzTMvTkszjbF108v7NFEW7D7CXPEc+hQYEXxxQ s+pRINHZoW/BzZOs0bTE0udiKIdullZwcZ8gZSN/F7We2clriqW/D/JPdnwwCjbQrlnW YiZA== X-Received: by 10.68.106.165 with SMTP id gv5mr6831333pbb.143.1365054858940; Wed, 03 Apr 2013 22:54:18 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.121.33 with HTTP; Wed, 3 Apr 2013 22:53:57 -0700 (PDT) In-Reply-To: References: From: Thomas Watteyne Date: Wed, 3 Apr 2013 22:53:57 -0700 X-Google-Sender-Auth: BJPu5l8-at1dnBa11gM5DPd-mdA Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=e89a8f64657bf75a2104d98299f7 Subject: Re: [6tsch] Problem Statement X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Apr 2013 05:54:20 -0000 --e89a8f64657bf75a2104d98299f7 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Pascal, Thanks for clearing things up, this makes perfect sense now. I believe there is a lot of interest and usefulness for P2-type scheduling. We have been focusing a lot of P1, especially with the previous work on draft-phinney, but let's not classify P2 as "low priority". I believe P2 makes a lot of sense when in networks with low data rates (i.e. a sparse schedule) in which case a distributed scheduling will yield lower overall power consumption. I hope this makes sense. I believe this list makes a lot of sense, and that we have the right people and tools to address P1, P2 and P3 types of scheduling. We should be able to close this list on the call on Friday. Thomas On Wed, Apr 3, 2013 at 2:35 AM, Pascal Thubert (pthubert) < pthubert@cisco.com> wrote: > Hello Thomas:**** > > ** ** > > Please see inline**** > > P1: Optimized Multipath hard tracks**** > > =95 From**** > > =96 wireless process control; low rate control loops**** > > =96 Smart cities; WSN service provider**** > > =96 Vehicular; control IHM **** > > =95 Optimized =3D> PCE**** > > =95 Allocation may be handled by a tier**** > > =95 6TUS must apply the required slots and move existing if needed*= *** > > ** ** > > *[TW]* and move existing *soft cells*. We don't expect colliding > reservations from the PCE, right?**** > > ** ** > > *[Pascal] *agreed* ***** > > **** > > **** > > P2: Distributed Routing, soft tracks**** > > < unsure which use cases?>**** > > =95 =3D> RSVP or similar**** > > ** ** > > *[TW]* Possible use cases:**** > > - dynamic topologies (e.g. smart parking)**** > > - large network with no single control entity (smart buildings, lighting > applications)**** > > **** > > *[Pascal]* I=92m a bit concerned on whether we really need a reservation = or > can simply do QoS / best effort there.**** > > A reservation is good when you have a repeatable pattern like a phone cal= l > or a control loop, that you want to prioritize.**** > > Do you think the use cases above qualify? Do we have other use cases that > would look more like that? **** > > Going through this cross ref, it appeared to me that the need for > deterministic behavior was tightly associated with the need for > optimization and central computation.**** > > If that is mostly so, then the RSVP work can be lower priority for the > group.**** > > **** > > P3 : Distributed Routing (best effort)**** > > =95 From**** > > =96 Industrial; non production phases**** > > =96 Industrial, Smart cities, home; monitoring**** > > =96 Commercial; asset tracking**** > > =96 Home, Commercial; security**** > > =95 Distributed =3D> RPL**** > > ** ** > > *[TW]* Pascal, can you detail the difference between P2 and P3?**** > > **** > > *[Pascal] *P2 needs an additional reservation, ala RSVP, some Call > Admission Control and Ingress shaping. This is treating a sensor stream a= s > a voice call over IP. **** > > P3 is more classical data. It needs some aggregate bandwidth between node= s > and some slot management to accommodate bursts, like a CIR in Frame Relay= . > **** > > With P3, the access to the transmit queue is ruled by traditional QoS and > RED. **** > > **** > > P4: Mobility (best effort)**** > > =95 From**** > > =96 Industrial; mobile worker**** > > =96 Commercial; asset tracking**** > > =95 Distributed =3D> RPL**** > > **** > > P5: Dynamic slot allocation**** > > =95 From**** > > =96 Industrial; alerts**** > > =96 Smart cities; Road/Street control**** > > =96 Smart cities; Smart Urban Parking **** > > =95 6TUS must adapt to bursts**** > > =95 Need to be faster than transport reaction**** > > ** ** > > *[TW]* also discussed over the phone: synchronous detection of same event > by a large group of nodes.**** > > **** > > *[Pascal] *Yes, that was in a very condensed fashion the aim of item 1, > alerts.**** > > **** > > P6: Backbone**** > > =95 From**** > > =96 Industrial; large plant**** > > =95 Renumbering is not an option**** > > =95 One IPv6 subnet incorp. WSNs and backbone**** > > =95 Need to mark the packet for Diffserv**** > > **** > > P7: Large/Deep Mesh**** > > =95 From**** > > =96 Smart cities; city lights monitoring**** > > =96 Building automation;**** > > =95 RPL / distributed**** > > =95 Need different PHYs to get range**** > > ** ** > > *[TW]* Can you detail the different PHYs?**** > > **** > > *[Pascal]* That was an item at the call, I think that bands in the 8-900 > MHz where discussed for farther reachability. The question I have with th= at > is whether we expect to maintain some degree of determinism across > different PHYs. **** > > This looks like a complex thing to do and a stretch goal at best. > Certainly there will be a loss in what can be expected, and usually the > least capable will be the main contributor (eg 802.15.4 with an Ethernet > backbone).* ***** > > **** > > P8: Coexistence with legacy**** > > =95 From**** > > =96 industrial (ISA100.11a, wiHART=85)**** > > =95 Maybe achieved well enough by TSCH MAC already**** > > =95 May be achieved by channel white/black list**** > > =95 No goal: sync various networks and W/B list at the granularity = of > the slot**** > > **** > > Cheers,**** > > **** > > Pascal**** > > **** > > **** > > **** > > **** > > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch**** > > --e89a8f64657bf75a2104d98299f7 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable
Pascal,

Thanks for clearing things up, = this makes perfect sense now.

I believe there is a= lot of interest and usefulness for P2-type scheduling. We have been focusi= ng a lot of P1, especially with the previous work on draft-phinney, but let= 's not classify P2 as "low priority". I believe P2 makes a lo= t of sense when in networks with low data rates (i.e. a sparse schedule) in= which case a distributed scheduling will yield lower overall power consump= tion. I hope this makes sense.

I believe this list makes a lot of sense, and tha= t we have the right people and tools to address P1, P2 and P3 types of sche= duling. We should be able to close this list on the call on Friday.

Thomas

On Wed, Apr 3, 2013 at 2:35 AM, Pascal Thub= ert (pthubert) <pthubert@cisco.com> wrote:

Hello Thomas:

=A0<= /p>

Please see inline<= span style=3D"font-size:11.0pt;font-family:"Calibri","sans-s= erif";color:#1f497d">

P1: Optimized Multipath hard tracks

=95=A0=A0=A0=A0=A0=A0 From

=96=A0=A0=A0=A0=A0 wireless process control; low rate control loops

=96=A0=A0=A0=A0=A0 Smart cities; WSN service provider

=96=A0=A0=A0=A0=A0 Vehicular; control IHM

=95=A0=A0=A0=A0=A0=A0 Optimized =3D> PCE

=95=A0=A0=A0=A0=A0=A0 Allocation may be handled by a tier

=95=A0=A0=A0=A0=A0=A0 6TUS must apply the required slots and move existing if needed

=A0

[TW] and move existing soft cells. We = don't expect colliding reservations from the PCE, right?<= /p>

=A0

[Pascal] agreed

=A0

=A0

P2: Distributed Routing, soft tracks

< unsure which use cases?>

=95=A0=A0=A0=A0=A0=A0 =3D> RSVP or similar

=A0

[TW] Possible use cases:

- dynamic topologies (e.g. smart parking)<= /u>

- large network with no single control entity (smart= buildings, lighting applications)

=A0

[Pascal]= I=92m a bit concerned on whether we really = need a reservation or can simply do QoS / best effort there.

A reservation is good whe= n you have a repeatable pattern like a phone call or a control loop, that y= ou want to prioritize.

Do you think the use case= s above qualify? Do we have other use cases that would look more like that?

Going through this cross = ref, it appeared to me that the need for deterministic behavior was tightly= associated with the need for optimization and central computation.<= u>

If that is mostly so, the= n the RSVP work can be lower priority for the group.

=A0

P3=A0: Distributed Routing (best effort)

=95=A0=A0=A0=A0=A0=A0 =A0From

=96=A0=A0=A0=A0=A0 Industrial; non production phases=

=96=A0=A0=A0=A0=A0 Industrial, Smart cities, home; monitoring<= u>

=96=A0=A0=A0=A0=A0 Commercial; asset tracking

=96=A0=A0=A0=A0=A0 Home, Commercial; security

=95=A0=A0=A0=A0=A0=A0 Distributed =3D> RPL

=A0

[TW] Pascal, can you detail the difference be= tween P2 and P3?

=A0

[Pascal] P2 needs an additional reservatio= n, ala RSVP, some Call Admission Control and Ingress shaping. This is treat= ing a sensor stream as a voice call over IP.

P3 is more classical data= . It needs some aggregate bandwidth between nodes and some slot management = to accommodate bursts, like a CIR in Frame Relay.

With P3, the access to th= e transmit queue is ruled by traditional QoS and RED. =A0

=A0

P4: Mobility (best effort)

=95=A0=A0=A0=A0=A0=A0 From

=96=A0=A0=A0=A0=A0 Industrial; mobile worker

=96=A0=A0=A0=A0=A0 Commercial; asset tracking

=95=A0=A0=A0=A0=A0=A0 Distributed =3D> RPL

=A0

P5: Dynamic slot allocation

=95=A0=A0=A0=A0=A0=A0 From

=96=A0=A0=A0=A0=A0 Industrial; alerts

=96=A0=A0=A0=A0=A0 Smart cities; Road/Street control=

=96=A0=A0=A0=A0=A0 Smart cities; Smart Urban Parking

=95=A0=A0=A0=A0=A0=A0 6TUS must adapt to bursts

=95=A0=A0=A0=A0=A0=A0 Need to be faster than transport reaction

=A0

[TW] also discussed over the phone: synchrono= us detection of same event by a large group of nodes.

=A0

[Pascal] Yes, that was in a very condensed= fashion the aim of item 1, alerts.

=A0

P6: Backbone

=95=A0=A0=A0=A0=A0=A0 From

=96=A0=A0=A0=A0=A0 Industrial; large plant

=95=A0=A0=A0=A0=A0=A0 Renumbering is not an option<= /p>

=95=A0=A0=A0=A0=A0=A0 One IPv6 subnet incorp. WSNs and backbone

=95=A0=A0=A0=A0=A0=A0 Need to mark the packet for Diffserv

=A0

P7: Large/Deep Mesh

=95=A0=A0=A0=A0=A0=A0 From

=96=A0=A0=A0=A0=A0 Smart cities; city lights monitoring=

=96=A0=A0=A0=A0=A0 Building automation;

=95=A0=A0=A0=A0=A0=A0 RPL / distributed

=95=A0=A0=A0=A0=A0=A0 Need different PHYs to get range

=A0

[TW] Can you detail the different PHYs?

=A0

[Pascal]= That was an item at the call, I think that = bands in the 8-900 MHz where discussed for farther reachability. The question I = have with that is whether we expect to maintain some degree of determinism = across different PHYs.

This looks like a complex= thing to do and a stretch goal at best. Certainly there will be a loss in = what can be expected, and usually the least capable will be the main contributor (eg 802.15.4 with an Ethernet backbone).

=A0

P8: Coexistence with legacy

=95=A0=A0=A0=A0=A0=A0 From

=96=A0=A0=A0=A0=A0 industrial (ISA100.11a, wiHART=85)

=95=A0=A0=A0=A0=A0=A0 Maybe achieved well enough by TSCH MAC already

=95=A0=A0=A0=A0=A0=A0 May be achieved by channel white/black list

=95=A0=A0=A0=A0=A0=A0 No goal: sync various networks and W/B list at the granularity of th= e slot

=A0

Cheers,

=A0

Pascal

=A0

=A0

=A0

=A0


_______________________________________________
6tsch mailing list
6tsch@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/6tsch


--e89a8f64657bf75a2104d98299f7-- From robert.assimiti@nivis.com Thu Apr 4 12:36:16 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 721FD21F942C for <6tsch@ietfa.amsl.com>; Thu, 4 Apr 2013 12:36:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8R4S1wiSzKBR for <6tsch@ietfa.amsl.com>; Thu, 4 Apr 2013 12:36:13 -0700 (PDT) Received: from relay-S04-HUB003.domainlocalhost.com (relay-s04-hub003.domainlocalhost.com [74.115.207.102]) by ietfa.amsl.com (Postfix) with ESMTP id C3A0B21F93EC for <6tsch@ietf.org>; Thu, 4 Apr 2013 12:36:12 -0700 (PDT) Received: from S04-MBX01-08.s04.local ([169.254.8.246]) by S04-HUB003.s04.local ([10.30.12.49]) with mapi id 14.02.0318.004; Thu, 4 Apr 2013 15:36:11 -0400 From: Robert Assimiti To: Thomas Watteyne , IETF 6TSCH <6tsch@ietf.org> Thread-Topic: [6tsch] Problem Statement Thread-Index: Ac4snqmG4qAbAH7VRrO/jcsMdbDAqQDqKw8AAAowAAAAKo9IgAAUH33A Date: Thu, 4 Apr 2013 19:36:10 +0000 Message-ID: <8CF9EAFF7636FC419FEE1042DC36C12FB86F6D@S04-MBX01-08.s04.local> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.30.12.151] Content-Type: multipart/alternative; boundary="_000_8CF9EAFF7636FC419FEE1042DC36C12FB86F6DS04MBX0108s04loca_" MIME-Version: 1.0 Subject: Re: [6tsch] Problem Statement X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Apr 2013 19:36:16 -0000 --_000_8CF9EAFF7636FC419FEE1042DC36C12FB86F6DS04MBX0108s04loca_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Pascal, It seems to me that the use cases identified were based on different sets o= f criteria. Some seem to be differentiated based on the entity that is responsible for = slot allocation (PCE, distributed etc). Some other seem to be based on scalability -> for example P7 large, deep me= sh. What was the underlying criteria for the definition of these use cases? Thks Robert Assimiti Nivis Chief Technology Officer Office [678]-202-6859 Mobile [404]-578-0205 From: 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] On Behalf Of T= homas Watteyne Sent: Thursday, April 04, 2013 1:54 AM To: IETF 6TSCH Subject: Re: [6tsch] Problem Statement Pascal, Thanks for clearing things up, this makes perfect sense now. I believe there is a lot of interest and usefulness for P2-type scheduling.= We have been focusing a lot of P1, especially with the previous work on dr= aft-phinney, but let's not classify P2 as "low priority". I believe P2 make= s a lot of sense when in networks with low data rates (i.e. a sparse schedu= le) in which case a distributed scheduling will yield lower overall power c= onsumption. I hope this makes sense. I believe this list makes a lot of sense, and that we have the right people= and tools to address P1, P2 and P3 types of scheduling. We should be able = to close this list on the call on Friday. Thomas On Wed, Apr 3, 2013 at 2:35 AM, Pascal Thubert (pthubert) > wrote: Hello Thomas: Please see inline P1: Optimized Multipath hard tracks * From - wireless process control; low rate control loops - Smart cities; WSN service provider - Vehicular; control IHM * Optimized =3D> PCE * Allocation may be handled by a tier * 6TUS must apply the required slots and move existing if needed [TW] and move existing soft cells. We don't expect colliding reservations f= rom the PCE, right? [Pascal] agreed P2: Distributed Routing, soft tracks < unsure which use cases?> * =3D> RSVP or similar [TW] Possible use cases: - dynamic topologies (e.g. smart parking) - large network with no single control entity (smart buildings, lighting ap= plications) [Pascal] I'm a bit concerned on whether we really need a reservation or can= simply do QoS / best effort there. A reservation is good when you have a repeatable pattern like a phone call = or a control loop, that you want to prioritize. Do you think the use cases above qualify? Do we have other use cases that w= ould look more like that? Going through this cross ref, it appeared to me that the need for determini= stic behavior was tightly associated with the need for optimization and cen= tral computation. If that is mostly so, then the RSVP work can be lower priority for the grou= p. P3 : Distributed Routing (best effort) * From - Industrial; non production phases - Industrial, Smart cities, home; monitoring - Commercial; asset tracking - Home, Commercial; security * Distributed =3D> RPL [TW] Pascal, can you detail the difference between P2 and P3? [Pascal] P2 needs an additional reservation, ala RSVP, some Call Admission = Control and Ingress shaping. This is treating a sensor stream as a voice ca= ll over IP. P3 is more classical data. It needs some aggregate bandwidth between nodes = and some slot management to accommodate bursts, like a CIR in Frame Relay. With P3, the access to the transmit queue is ruled by traditional QoS and R= ED. P4: Mobility (best effort) * From - Industrial; mobile worker - Commercial; asset tracking * Distributed =3D> RPL P5: Dynamic slot allocation * From - Industrial; alerts - Smart cities; Road/Street control - Smart cities; Smart Urban Parking * 6TUS must adapt to bursts * Need to be faster than transport reaction [TW] also discussed over the phone: synchronous detection of same event by = a large group of nodes. [Pascal] Yes, that was in a very condensed fashion the aim of item 1, alert= s. P6: Backbone * From - Industrial; large plant * Renumbering is not an option * One IPv6 subnet incorp. WSNs and backbone * Need to mark the packet for Diffserv P7: Large/Deep Mesh * From - Smart cities; city lights monitoring - Building automation; * RPL / distributed * Need different PHYs to get range [TW] Can you detail the different PHYs? [Pascal] That was an item at the call, I think that bands in the 8-900 MHz = where discussed for farther reachability. The question I have with that is = whether we expect to maintain some degree of determinism across different P= HYs. This looks like a complex thing to do and a stretch goal at best. Certainly= there will be a loss in what can be expected, and usually the least capabl= e will be the main contributor (eg 802.15.4 with an Ethernet backbone). P8: Coexistence with legacy * From - industrial (ISA100.11a, wiHART...) * Maybe achieved well enough by TSCH MAC already * May be achieved by channel white/black list * No goal: sync various networks and W/B list at the granularity of t= he slot Cheers, Pascal _______________________________________________ 6tsch mailing list 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch --_000_8CF9EAFF7636FC419FEE1042DC36C12FB86F6DS04MBX0108s04loca_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Pascal,=

 <= /p>

It seems to me that the u= se cases identified were based on different sets of criteria.

 <= /p>

Some seem to be different= iated based on the entity that is responsible for slot allocation (PCE, dis= tributed etc).

Some other seem to be bas= ed on scalability -> for example P7 large, deep mesh.<= /p>

 <= /p>

What was the underlying c= riteria for the definition of these use cases?

Thks

 <= /p>

Robert Assimiti

Nivis

Chief Technology Offic= er

Office [678]-202-6859<= /span>

Mobile [404]-578-0205<= o:p>

 <= /p>

From: 6tsch-bo= unces@ietf.org [mailto:6tsch-bounces@ietf.org] On Behalf Of Thomas Watteyne
Sent: Thursday, April 04, 2013 1:54 AM
To: IETF 6TSCH
Subject: Re: [6tsch] Problem Statement

 

Pascal,

 

Thanks for clearing things up, this makes perfect se= nse now.

 

I believe there is a lot of interest and usefulness = for P2-type scheduling. We have been focusing a lot of P1, especially with = the previous work on draft-phinney, but let's not classify P2 as "low = priority". I believe P2 makes a lot of sense when in networks with low data rates (i.e. a sparse schedule) in whi= ch case a distributed scheduling will yield lower overall power consumption= . I hope this makes sense.

 

I believe this list makes a lot of sense, and that w= e have the right people and tools to address P1, P2 and P3 types of schedul= ing. We should be able to close this list on the call on Friday.=

 

Thomas

 

On Wed, Apr 3, 2013 at 2:35 AM, Pascal Thubert (pthu= bert) <pthubert@= cisco.com> wrote:

Hello Thomas:

 

Please see inline

P1: Optimized Multipath hard tracks

•= ;      = ; From

–= ;      wireless process control; low rate control loops

–= ;      Smart cities; WSN service provider

–= ;      Vehicular; control IHM

•= ;      = ; Optimized =3D> PCE

•= ;      = ; Allocation may be handled by a tier

•= ;      = ; 6TUS must apply the required slots and move existing if needed<= /o:p>

 

[TW] and move existing soft cells. We don't expect colliding reservations from the PCE, rig= ht?

 

[Pascal] agreed

 

 

P2: Distributed Routing, soft tracks

< unsure which use cases?>

•= ;      = ; =3D> RSVP or similar

 

[TW] Possible use cases:

- dynamic topologies (e.g. smart parking)

- large network with no single control entity (smart buildings, li= ghting applications)

 

[Pascal] I’m a bit concerned on whether we really need a reservation or can s= imply do QoS / best effort there.

A reservation is good when you have a r= epeatable pattern like a phone call or a control loop, that you want to prioritize.

Do you think the use cases above qualif= y? Do we have other use cases that would look more like that?

Going through this cross ref, it appear= ed to me that the need for deterministic behavior was tightly associated with the need for optimization and central computation.<= o:p>

If that is mostly so, then the RSVP wor= k can be lower priority for the group.

 

P3 : Distributed Routing (best effort)

•= ;      = ;  From

–= ;      Industrial; non production phases

–= ;      Industrial, Smart cities, home; monitoring<= o:p>

–= ;      Commercial; asset tracking

–= ;      Home, Commercial; security

•= ;      = ; Distributed =3D> RPL

 

[TW] Pascal, can you detail the difference between P2 and P= 3?

 

[Pascal] P2 needs an additional reservatio= n, ala RSVP, some Call Admission Control and Ingress shaping. This is treat= ing a sensor stream as a voice call over IP.

P3 is more classical data. It needs som= e aggregate bandwidth between nodes and some slot management to accommodate bursts, like a CIR in Frame Relay.

With P3, the access to the transmit que= ue is ruled by traditional QoS and RED.  

 

P4: Mobility (best effort)

•= ;      = ; From

–= ;      Industrial; mobile worker

–= ;      Commercial; asset tracking

•= ;      = ; Distributed =3D> RPL

 

P5: Dynamic slot allocation

•= ;      = ; From

–= ;      Industrial; alerts

–= ;      Smart cities; Road/Street control

–= ;      Smart cities; Smart Urban Parking

•= ;      = ; 6TUS must adapt to bursts

•= ;      = ; Need to be faster than transport reaction

 

[TW] also discussed over the phone: synchronous detection o= f same event by a large group of nodes.

 

[Pascal] Yes, that was in a very condensed= fashion the aim of item 1, alerts.

 

P6: Backbone

•= ;      = ; From

–= ;      Industrial; large plant

•= ;      = ; Renumbering is not an option

•= ;      = ; One IPv6 subnet incorp. WSNs and backbone

•= ;      = ; Need to mark the packet for Diffserv

 

P7: Large/Deep Mesh

•= ;      = ; From

–= ;      Smart cities; city lights monitoring

–= ;      Building automation;

•= ;      = ; RPL / distributed

•= ;      = ; Need different PHYs to get range

 

[TW] Can you detail the different PHYs?

 

[Pascal] That was an item at the call, I think that bands in the 8-900 MHz where di= scussed for farther reachability. The question I have with that is whether = we expect to maintain some degree of determinism across different PHYs.

This looks like a complex thing to do a= nd a stretch goal at best. Certainly there will be a loss in what can be expected, and usually the least capable will be the main co= ntributor (eg 802.15.4 with an Ethernet backbone).

 

P8: Coexistence with legacy

•= ;      = ; From

–= ;      industrial (ISA100.11a, wiHART…)

•= ;      = ; Maybe achieved well enough by TSCH MAC already

•= ;      = ; May be achieved by channel white/black list

•= ;      = ; No goal: sync various networks and W/B list at the granularity of th= e slot

 

Cheers,

 

Pascal

 

 

 

 


_______________________________________________
6tsch mailing list
6tsch@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/6tsch

 

--_000_8CF9EAFF7636FC419FEE1042DC36C12FB86F6DS04MBX0108s04loca_-- From qinwang@berkeley.edu Thu Apr 4 15:44:01 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D50CE21F9017 for <6tsch@ietfa.amsl.com>; Thu, 4 Apr 2013 15:44:01 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Lwpl0-YHKvOd for <6tsch@ietfa.amsl.com>; Thu, 4 Apr 2013 15:44:01 -0700 (PDT) Received: from cm04fe.IST.Berkeley.EDU (cm04fe.IST.Berkeley.EDU [169.229.218.145]) by ietfa.amsl.com (Postfix) with ESMTP id 0679221F8EA6 for <6tsch@ietf.org>; Thu, 4 Apr 2013 15:44:01 -0700 (PDT) Received: from cm02ws.ist.berkeley.edu ([169.229.218.164] helo=calmail.berkeley.edu) by cm04fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth login:qinwang@berkeley.edu) (envelope-from ) id 1UNssu-0001IR-Fz; Thu, 04 Apr 2013 15:43:59 -0700 Received: from 173.49.80.84 (SquirrelMail authenticated user qinwang@berkeley.edu) by calmail.berkeley.edu with HTTP; Thu, 4 Apr 2013 15:43:56 -0700 Message-ID: <747acb2080072679d83b0f9e29704b29.squirrel@calmail.berkeley.edu> In-Reply-To: <8CF9EAFF7636FC419FEE1042DC36C12FB86F6D@S04-MBX01-08.s04.local> References: <8CF9EAFF7636FC419FEE1042DC36C12FB86F6D@S04-MBX01-08.s04.local> Date: Thu, 4 Apr 2013 15:43:56 -0700 From: "Qin Wang" To: "Robert Assimiti" User-Agent: SquirrelMail/1.4.21-2.berkeley MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: Thomas Watteyne , IETF 6TSCH <6tsch@ietf.org> Subject: Re: [6tsch] Problem Statement X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Apr 2013 22:44:02 -0000 Pascal, I have same feeling as Robert. I think there are three views involved: (1) Application view, including industrial process automation, smart city, parking management,.... (2) Network feature view, including network scale, deterministic sensitivity, response to mobility, periodical/bursty.... (3) technology view, including centralized/decentralized scheduling and reservation, PCE, RSVP, traffic engineering,soft/hard cell.... Indeed, the three views are connected with each other closely. But I think we can put them more systematically. How do you think? Qin > Pascal, > > It seems to me that the use cases identified were based on different sets > of criteria. > > Some seem to be differentiated based on the entity that is responsible for > slot allocation (PCE, distributed etc). > Some other seem to be based on scalability -> for example P7 large, deep > mesh. > > What was the underlying criteria for the definition of these use cases? > Thks > > Robert Assimiti > Nivis > Chief Technology Officer > Office [678]-202-6859 > Mobile [404]-578-0205 > > From: 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] On Behalf Of > Thomas Watteyne > Sent: Thursday, April 04, 2013 1:54 AM > To: IETF 6TSCH > Subject: Re: [6tsch] Problem Statement > > Pascal, > > Thanks for clearing things up, this makes perfect sense now. > > I believe there is a lot of interest and usefulness for P2-type > scheduling. We have been focusing a lot of P1, especially with the > previous work on draft-phinney, but let's not classify P2 as "low > priority". I believe P2 makes a lot of sense when in networks with low > data rates (i.e. a sparse schedule) in which case a distributed scheduling > will yield lower overall power consumption. I hope this makes sense. > > I believe this list makes a lot of sense, and that we have the right > people and tools to address P1, P2 and P3 types of scheduling. We should > be able to close this list on the call on Friday. > > Thomas > > On Wed, Apr 3, 2013 at 2:35 AM, Pascal Thubert (pthubert) > > wrote: > Hello Thomas: > > Please see inline > P1: Optimized Multipath hard tracks > * From > - wireless process control; low rate control loops > - Smart cities; WSN service provider > - Vehicular; control IHM > * Optimized => PCE > * Allocation may be handled by a tier > * 6TUS must apply the required slots and move existing if needed > > [TW] and move existing soft cells. We don't expect colliding reservations > from the PCE, right? > > [Pascal] agreed > > > P2: Distributed Routing, soft tracks > < unsure which use cases?> > * => RSVP or similar > > [TW] Possible use cases: > - dynamic topologies (e.g. smart parking) > - large network with no single control entity (smart buildings, lighting > applications) > > [Pascal] I'm a bit concerned on whether we really need a reservation or > can simply do QoS / best effort there. > A reservation is good when you have a repeatable pattern like a phone call > or a control loop, that you want to prioritize. > Do you think the use cases above qualify? Do we have other use cases that > would look more like that? > Going through this cross ref, it appeared to me that the need for > deterministic behavior was tightly associated with the need for > optimization and central computation. > If that is mostly so, then the RSVP work can be lower priority for the > group. > > P3 : Distributed Routing (best effort) > * From > - Industrial; non production phases > - Industrial, Smart cities, home; monitoring > - Commercial; asset tracking > - Home, Commercial; security > * Distributed => RPL > > [TW] Pascal, can you detail the difference between P2 and P3? > > [Pascal] P2 needs an additional reservation, ala RSVP, some Call Admission > Control and Ingress shaping. This is treating a sensor stream as a voice > call over IP. > P3 is more classical data. It needs some aggregate bandwidth between nodes > and some slot management to accommodate bursts, like a CIR in Frame Relay. > With P3, the access to the transmit queue is ruled by traditional QoS and > RED. > > P4: Mobility (best effort) > * From > - Industrial; mobile worker > - Commercial; asset tracking > * Distributed => RPL > > P5: Dynamic slot allocation > * From > - Industrial; alerts > - Smart cities; Road/Street control > - Smart cities; Smart Urban Parking > * 6TUS must adapt to bursts > * Need to be faster than transport reaction > > [TW] also discussed over the phone: synchronous detection of same event by > a large group of nodes. > > [Pascal] Yes, that was in a very condensed fashion the aim of item 1, > alerts. > > P6: Backbone > * From > - Industrial; large plant > * Renumbering is not an option > * One IPv6 subnet incorp. WSNs and backbone > * Need to mark the packet for Diffserv > > P7: Large/Deep Mesh > * From > - Smart cities; city lights monitoring > - Building automation; > * RPL / distributed > * Need different PHYs to get range > > [TW] Can you detail the different PHYs? > > [Pascal] That was an item at the call, I think that bands in the 8-900 MHz > where discussed for farther reachability. The question I have with that is > whether we expect to maintain some degree of determinism across different > PHYs. > This looks like a complex thing to do and a stretch goal at best. > Certainly there will be a loss in what can be expected, and usually the > least capable will be the main contributor (eg 802.15.4 with an Ethernet > backbone). > > P8: Coexistence with legacy > * From > - industrial (ISA100.11a, wiHART...) > * Maybe achieved well enough by TSCH MAC already > * May be achieved by channel white/black list > * No goal: sync various networks and W/B list at the granularity of > the slot > > Cheers, > > Pascal > > > > > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > From pthubert@cisco.com Thu Apr 4 22:45:33 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4783C21F96CB for <6tsch@ietfa.amsl.com>; Thu, 4 Apr 2013 22:45:33 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.598 X-Spam-Level: X-Spam-Status: No, score=-10.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Bb-5t9N4F8-E for <6tsch@ietfa.amsl.com>; Thu, 4 Apr 2013 22:45:31 -0700 (PDT) Received: from rcdn-iport-3.cisco.com (rcdn-iport-3.cisco.com [173.37.86.74]) by ietfa.amsl.com (Postfix) with ESMTP id 88D9F21F96CA for <6tsch@ietf.org>; Thu, 4 Apr 2013 22:45:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=32692; q=dns/txt; s=iport; t=1365140730; x=1366350330; h=from:to:subject:date:message-id:mime-version; bh=IVAojcTXjcrS15xBEDldF7sjZGWsgs/8EqTTR/xs5f0=; b=Q/m+sqa8Z2wijec5IpO1DdRK7E+0eUhNh4c98LSmLve5J2CMw7Xl1CtV k6tTEGF2zOdwhzF7ow9clp9HehEST1IsOLykVMPHKYYXdP1TzhOtBfPtj THahgbCybXcxzAW+M2GGdeNHhGyyZ6u491Szbuvqw3M+GEjSkPlQputDW k=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ag4FAMFjXlGtJXG8/2dsb2JhbAApFwMOgjRENsEPgQcWdIIfAQEBBC0bHiUBCBICDgoBAwgBAzwXBAEGAgIBAQMBGogMDDCyOBGOEYkHhG12IAEMFQcHgkdhA5gOj22COhI/gXM1fw X-IronPort-AV: E=Sophos;i="4.87,412,1363132800"; d="scan'208,217";a="195316957" Received: from rcdn-core2-1.cisco.com ([173.37.113.188]) by rcdn-iport-3.cisco.com with ESMTP; 05 Apr 2013 05:45:27 +0000 Received: from xhc-aln-x09.cisco.com (xhc-aln-x09.cisco.com [173.36.12.83]) by rcdn-core2-1.cisco.com (8.14.5/8.14.5) with ESMTP id r355jRn4003823 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Fri, 5 Apr 2013 05:45:27 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.152]) by xhc-aln-x09.cisco.com ([173.36.12.83]) with mapi id 14.02.0318.004; Fri, 5 Apr 2013 00:45:26 -0500 From: "Pascal Thubert (pthubert)" To: "6tsch@ietf.org" <6tsch@ietf.org>, Thomas Watteyne , "Adrian Farrel (adrian@olddog.co.uk)" , "Ted Lemon (ted.lemon@nominum.com)" , "Ralph Droms (rdroms)" , "Marc Blanchet" Thread-Topic: draft agenda call 04/05 Thread-Index: Ac4xwIqSYF0JppODRJ+1F9sKXrWj6g== Date: Fri, 5 Apr 2013 05:45:25 +0000 Deferred-Delivery: Fri, 5 Apr 2013 05:44:00 +0000 Message-ID: Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.55.83.254] Content-Type: multipart/alternative; boundary="_000_E045AECD98228444A58C61C200AE1BD835D0D7D0xmbrcdx01ciscoc_" MIME-Version: 1.0 Subject: [6tsch] FW: draft agenda call 04/05 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Apr 2013 05:45:33 -0000 --_000_E045AECD98228444A58C61C200AE1BD835D0D7D0xmbrcdx01ciscoc_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Dar all: Please find a draft agenda for the 6TSCH call Friday. The focus will be on the preparation of a charter, with a discussion on pro= blem statement and gap analysis: * update work on PANA [Yoshi] 5mn * update work on NSIS [Xavi, Jphn] 5mn * use cases and problem statement: 30mn * summary ML * discussion "Problem statement" * review remaining items from slide deck * list of achievable goals "what needs to be done that does not exist a= lready?" 15mn * requirements document * architecture document * 6tus "foundation" layer * optimized multipath hard tracks * distributed multipath soft tracks * simple distributed routing * interoperation event * draft charter: next steps? 5mn Please let us know if you wish to add / change stuff in this list Call info : Topic: 6TSCH Weekly Date: Every Friday, from Friday, April 5, 2013 to Friday, March 7, 2014 Time: 8:00 am, Pacific Daylight Time (San Francisco, GMT-07:00) Meeting Number: 206 802 913 Meeting Password: sixtus ------------------------------------------------------- To start the online meeting ------------------------------------------------------- 1. Go to https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D4819052= 42&PW=3DNZTRkNDAwOTE1&RT=3DMiM0 2. Log in to your account. 3. Click "Start Now". 4. Follow the instructions that appear on your screen. ---------------------------------------------------------------- ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes ---------------------------------------------------------------- The affected toll free numbers are: (866) 432-9903 for the San Jose/Milpita= s area and (866) 349-3520 for the RTP area. Please dial the local access number for your area from the list below: * San Jose/Milpitas (408) area: 525-6800 * RTP (919) area: 392-3330 ------------------------------------------------------- To join the teleconference only ------------------------------------------------------- 1. Dial into Cisco WebEx (view all Global Access Numbers at http://cisco.com/en/US/about/doing_business/conferencing/index.html 2. Follow the prompts to enter the Meeting Number (listed above) o= r Access Code followed by the # sign. San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330 US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117 India: +91.80.4350.1111 Germany: +49.619.6773.9002 Japan: +81.3.5763.9394 China: +86.10.8515.5666 To check whether you have the appropriate players installed for UCF (Univer= sal Communications Format) rich media files, go to https://cisco.webex.com/= cisco/systemdiagnosis.php. CCM:+14085256800x206802913# --_000_E045AECD98228444A58C61C200AE1BD835D0D7D0xmbrcdx01ciscoc_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dar all:

 

Please find a draft agenda for the 6TSC= H call Friday.

The focus will be on the preparation of= a charter, with a discussion on problem statement and gap analysis:

  • update work on PANA [Yoshi]   &nbs= p;         5mn
  • upda= te work on NSIS [Xavi, Jphn]   = ;    5mn 
  • use = cases and problem statement:   &nbs= p; 30mn
    • summ= ary ML
    • disc= ussion "Problem statement"
    • revi= ew remaining items from slide deck
  • list= of achievable goals "what needs to be done that does not exist already?"         15mn<= o:p>
    • requ= irements document
    • arch= itecture document
    • 6tus= "foundation" layer
    • opti= mized multipath hard tracks
    • dist= ributed multipath soft tracks 
    • simp= le distributed routing
    • inte= roperation event
  • draf= t charter: next steps?              &nb= sp;    5mn 

Please let us know if you wish to add / change stuff = in this list

Call info :

Topic:    6TSCH Weekly

Date:     Every Fri= day, from Friday, April 5, 2013 to Friday, March 7, 2014

Time:     8:00 am, = Pacific Daylight Time (San Francisco, GMT-07:00)

Meeting Number:    =        206 802 913

Meeting Password:   &nbs= p;     sixtus

 =

-----------= --------------------------------------------

To start the online meeting

-----------= --------------------------------------------

1.   Go to https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D481= 905242&PW=3DNZTRkNDAwOTE1&RT=3DMiM0

2.   Log in to your account.

3.   Click “Start Now”.

4.   Follow the instructions that appear on = your screen.

 =

-----------= -----------------------------------------------------

ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes

-----------= -----------------------------------------------------

 =

The affected toll free numbers are: (866) 432-9903= for the San Jose/Milpitas area and (866) 349-3520 for the RTP area.

Please dial the local access number for your area = from the list below:

&= middot;  &= nbsp;      San Jose/Milpitas (408) area:  525-6800=

&= middot;  &= nbsp;      RTP (919) area:  392-3330

 =

-----------= --------------------------------------------

To join the teleconference only

-----------= --------------------------------------------

1.         Dial into Cisco WebE= x (view all Global Access Numbers at

http://cisco.com/en/US/about/doing_business/conferencing/in= dex.html

2= .         Follow the prompts to enter the Meeting Number (listed above) or Access Co= de followed by the # sign.

 =

San Jose, CA: +1.408.525.6800  RTP: += 1.919.392.3330

US/Canada: +1.866.432.9903  United Kingdo= m: +44.20.8824.0117

India: +91.80.4350.1111  Germany: +49= .619.6773.9002

Japan: +81.3.5763.9394  China: +86.10= .8515.5666

To check whether you have the appropriate players = installed for UCF (Universal Communications Format) rich media files, go to = https://cisco.webex.com/cisco/systemdiagnosis.php.

CCM:+14085256800x206802913#

 

--_000_E045AECD98228444A58C61C200AE1BD835D0D7D0xmbrcdx01ciscoc_-- From qinwang@berkeley.edu Fri Apr 5 06:48:21 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id ACF2C21F8C4F for <6tsch@ietfa.amsl.com>; Fri, 5 Apr 2013 06:48:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.499 X-Spam-Level: X-Spam-Status: No, score=-4.499 tagged_above=-999 required=5 tests=[AWL=-2.100, BAYES_00=-2.599, FM_IS_IT_OUR_ACCOUNT=4.2, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wTBOLa+QJdRy for <6tsch@ietfa.amsl.com>; Fri, 5 Apr 2013 06:48:21 -0700 (PDT) Received: from cm01fe.IST.Berkeley.EDU (cm01fe.IST.Berkeley.EDU [169.229.218.142]) by ietfa.amsl.com (Postfix) with ESMTP id ACA9021F845A for <6tsch@ietf.org>; Fri, 5 Apr 2013 06:48:17 -0700 (PDT) Received: from cm02ws.ist.berkeley.edu ([169.229.218.164] helo=calmail.berkeley.edu) by cm01fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth login:qinwang@berkeley.edu) (envelope-from ) id 1UO702-00073S-5y; Fri, 05 Apr 2013 06:48:16 -0700 Received: from 173.49.80.84 (SquirrelMail authenticated user qinwang@berkeley.edu) by calmail.berkeley.edu with HTTP; Fri, 5 Apr 2013 06:48:14 -0700 Message-ID: <09b87416e9b8b4eea045987ee66f9bdb.squirrel@calmail.berkeley.edu> In-Reply-To: References: Date: Fri, 5 Apr 2013 06:48:14 -0700 From: "Qin Wang" To: "Pascal Thubert (pthubert)" User-Agent: SquirrelMail/1.4.21-2.berkeley MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: Thomas Watteyne , "Ralph Droms \(rdroms\)" , Marc Blanchet , "6tsch@ietf.org" <6tsch@ietf.org>, "Ted Lemon \(ted.lemon@nominum.com\)" , "Adrian Farrel \(adrian@olddog.co.uk\)" Subject: Re: [6tsch] FW: draft agenda call 04/05 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Apr 2013 13:48:21 -0000 Pascal, Quick question: what is 6tus "foundation" layer? Is it same as 6tus adaptation layer, or something else? Thanks Qin > Dar all: > > Please find a draft agenda for the 6TSCH call Friday. > The focus will be on the preparation of a charter, with a discussion on > problem statement and gap analysis: > > * update work on PANA [Yoshi] 5mn > * update work on NSIS [Xavi, Jphn] 5mn > * use cases and problem statement: 30mn > > * summary ML > * discussion "Problem statement" > * review remaining items from slide deck > > * list of achievable goals "what needs to be done that does not exist > already?" 15mn > > * requirements document > * architecture document > * 6tus "foundation" layer > * optimized multipath hard tracks > * distributed multipath soft tracks > * simple distributed routing > * interoperation event > > * draft charter: next steps? 5mn > Please let us know if you wish to add / change stuff in this list > Call info : > > Topic: 6TSCH Weekly > > Date: Every Friday, from Friday, April 5, 2013 to Friday, March 7, > 2014 > > Time: 8:00 am, Pacific Daylight Time (San Francisco, GMT-07:00) > > Meeting Number: 206 802 913 > > Meeting Password: sixtus > > ------------------------------------------------------- > To start the online meeting > ------------------------------------------------------- > > 1. Go to > https://cisco.webex.com/cisco/j.php?ED=219615007&UID=481905242&PW=NZTRkNDAwOTE1&RT=MiM0 > > 2. Log in to your account. > > 3. Click "Start Now". > > 4. Follow the instructions that appear on your screen. > > ---------------------------------------------------------------- > ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes > ---------------------------------------------------------------- > > > The affected toll free numbers are: (866) 432-9903 for the San > Jose/Milpitas area and (866) 349-3520 for the RTP area. > > Please dial the local access number for your area from the list below: > > * San Jose/Milpitas (408) area: 525-6800 > > * RTP (919) area: 392-3330 > > ------------------------------------------------------- > To join the teleconference only > ------------------------------------------------------- > 1. Dial into Cisco WebEx (view all Global Access Numbers at > http://cisco.com/en/US/about/doing_business/conferencing/index.html > > 2. > Follow the prompts to enter the Meeting Number (listed above) or > Access Code followed by the # sign. > > > San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330 > > US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117 > > India: +91.80.4350.1111 Germany: +49.619.6773.9002 > > Japan: +81.3.5763.9394 China: +86.10.8515.5666 > > To check whether you have the appropriate players installed for UCF > (Universal Communications Format) rich media files, go to > https://cisco.webex.com/cisco/systemdiagnosis.php. > > CCM:+14085256800x206802913# > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > From yoshihiro.ohba@toshiba.co.jp Fri Apr 5 16:40:04 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E11AF21F9901 for <6tsch@ietfa.amsl.com>; Fri, 5 Apr 2013 16:40:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.112 X-Spam-Level: X-Spam-Status: No, score=0.112 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_IS_IT_OUR_ACCOUNT=4.2, HELO_EQ_JP=1.244, HOST_EQ_JP=1.265, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-4, UNPARSEABLE_RELAY=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 001yKFBHn+WB for <6tsch@ietfa.amsl.com>; Fri, 5 Apr 2013 16:40:03 -0700 (PDT) Received: from imx2.toshiba.co.jp (inet-tsb5.toshiba.co.jp [202.33.96.24]) by ietfa.amsl.com (Postfix) with ESMTP id 1EB4121F98FE for <6tsch@ietf.org>; Fri, 5 Apr 2013 16:40:02 -0700 (PDT) Received: from tsbmgw-mgw02.tsbmgw-mgw02.toshiba.co.jp ([133.199.200.50]) by imx2.toshiba.co.jp with ESMTP id r35Ndl1R002218 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 6 Apr 2013 08:39:47 +0900 (JST) Received: from tsbmgw-mgw02 (localhost [127.0.0.1]) by tsbmgw-mgw02.tsbmgw-mgw02.toshiba.co.jp (8.13.8/8.14.5) with ESMTP id r35NdlTp026254; Sat, 6 Apr 2013 08:39:47 +0900 Received: from localhost ([127.0.0.1]) by tsbmgw-mgw02 (JAMES SMTP Server 2.3.1) with SMTP ID 231; Sat, 6 Apr 2013 08:39:47 +0900 (JST) Received: from arc1.toshiba.co.jp ([133.199.194.235]) by tsbmgw-mgw02.tsbmgw-mgw02.toshiba.co.jp (8.13.8/8.14.5) with ESMTP id r35NdlfM026235; Sat, 6 Apr 2013 08:39:47 +0900 Received: (from root@localhost) by arc1.toshiba.co.jp id r35NdlBl008124; Sat, 6 Apr 2013 08:39:47 +0900 (JST) Received: from unknown [133.199.192.144] by arc1.toshiba.co.jp with ESMTP id JAA08123; Sat, 6 Apr 2013 08:39:47 +0900 Received: from mx2.toshiba.co.jp (localhost [127.0.0.1]) by ovp2.toshiba.co.jp with ESMTP id r35Ndkdb005028; Sat, 6 Apr 2013 08:39:46 +0900 (JST) Received: from TGXML330.toshiba.local by toshiba.co.jp id r35NdkaT006384; Sat, 6 Apr 2013 08:39:46 +0900 (JST) Received: from TGXML345.toshiba.local (133.199.60.32) by TGXML330.toshiba.local (133.199.60.17) with Microsoft SMTP Server (TLS) id 14.2.328.9; Sat, 6 Apr 2013 08:39:46 +0900 Received: from TGXML338.toshiba.local ([169.254.4.179]) by tgxml345.toshiba.local ([133.199.60.32]) with mapi id 14.02.0328.009; Sat, 6 Apr 2013 08:39:46 +0900 From: To: , <6tsch@ietf.org>, , , , , Thread-Topic: draft agenda call 04/05 Thread-Index: Ac4xwIqSYF0JppODRJ+1F9sKXrWj6gAlLnQQ Date: Fri, 5 Apr 2013 23:39:46 +0000 Message-ID: <674F70E5F2BE564CB06B6901FD3DD78B12CF073E@tgxml338.toshiba.local> References: In-Reply-To: Accept-Language: ja-JP, en-US Content-Language: ja-JP x-originating-ip: [133.199.17.79] msscp.transfermailtomossagent: 103 Content-Type: multipart/alternative; boundary="_000_674F70E5F2BE564CB06B6901FD3DD78B12CF073Etgxml338toshiba_" MIME-Version: 1.0 Subject: Re: [6tsch] draft agenda call 04/05 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Apr 2013 23:40:05 -0000 --_000_674F70E5F2BE564CB06B6901FD3DD78B12CF073Etgxml338toshiba_ Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable Dear all, I am sorry to miss the Apr-5 teleconference. Regarding =1B$B!H=1B(Bupdate work on PANA=1B$B!I=1B(B part, 6 contributors = have joined to develop a 6TSCH security architecture based on PANA. Once T= OC is agreed, contributors will start working on detailed text. The latest draft being edited is available at: https://bitbucket.org/6tsch/draft-ohba-6tsch-security/src Any comments are appreciated. Best Regards, Yoshihiro Ohba From: 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] On Behalf Of P= ascal Thubert (pthubert) Sent: Friday, April 05, 2013 2:45 PM To: 6tsch@ietf.org; Thomas Watteyne; Adrian Farrel (adrian@olddog.co.uk); T= ed Lemon (ted.lemon@nominum.com); Ralph Droms (rdroms); Marc Blanchet Subject: [6tsch] FW: draft agenda call 04/05 Dar all: Please find a draft agenda for the 6TSCH call Friday. The focus will be on the preparation of a charter, with a discussion on pro= blem statement and gap analysis: * update work on PANA [Yoshi] 5mn * update work on NSIS [Xavi, Jphn] 5mn * use cases and problem statement: 30mn o summary ML o discussion "Problem statement" o review remaining items from slide deck * list of achievable goals "what needs to be done that does not exi= st already?" 15mn o requirements document o architecture document o 6tus "foundation" layer o optimized multipath hard tracks o distributed multipath soft tracks o simple distributed routing o interoperation event * draft charter: next steps? 5mn Please let us know if you wish to add / change stuff in this list Call info : Topic: 6TSCH Weekly Date: Every Friday, from Friday, April 5, 2013 to Friday, March 7, 2014 Time: 8:00 am, Pacific Daylight Time (San Francisco, GMT-07:00) Meeting Number: 206 802 913 Meeting Password: sixtus ------------------------------------------------------- To start the online meeting ------------------------------------------------------- 1. Go to https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D4819052= 42&PW=3DNZTRkNDAwOTE1&RT=3DMiM0 2. Log in to your account. 3. Click =1B$B!H=1B(BStart Now=1B$B!I=1B(B. 4. Follow the instructions that appear on your screen. ---------------------------------------------------------------- ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes ---------------------------------------------------------------- The affected toll free numbers are: (866) 432-9903 for the San Jose/Milpita= s area and (866) 349-3520 for the RTP area. Please dial the local access number for your area from the list below: * San Jose/Milpitas (408) area: 525-6800 * RTP (919) area: 392-3330 ------------------------------------------------------- To join the teleconference only ------------------------------------------------------- 1. Dial into Cisco WebEx (view all Global Access Numbers at http://cisco.com/en/US/about/doing_business/conferencing/index.html 2. Follow the prompts to enter the Meeting Number (listed above) o= r Access Code followed by the # sign. San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330 US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117 India: +91.80.4350.1111 Germany: +49.619.6773.9002 Japan: +81.3.5763.9394 China: +86.10.8515.5666 To check whether you have the appropriate players installed for UCF (Univer= sal Communications Format) rich media files, go to https://cisco.webex.com/= cisco/systemdiagnosis.php. CCM:+14085256800x206802913# --_000_674F70E5F2BE564CB06B6901FD3DD78B12CF073Etgxml338toshiba_ Content-Type: text/html; charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable

Dear all,

 <= /o:p>

I am sorry t= o miss the Apr-5 teleconference.

 <= /o:p>

Regarding = =1B$B!H=1B(Bupdate work on PANA=1B$B!I=1B(B part, 6 contributors have joined to develop a 6TSCH security architecture based on PANA.  = Once TOC is agreed, contributors will start working on detailed text. 

 <= /o:p>

The latest d= raft being edited is available at:

https://bitb= ucket.org/6tsch/draft-ohba-6tsch-security/src

 <= /o:p>

Any comments= are appreciated.

 <= /o:p>

Best Regards= ,

Yoshihiro Oh= ba

 <= /o:p>

 <= /o:p>

From: 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] On Behalf Of Pascal Thubert (pthube= rt)
Sent: Friday, April 05, 2013 2:45 PM
To: 6tsch@ietf.org; Thomas Watteyne; Adrian Farrel (adrian@olddog.co= .uk); Ted Lemon (ted.lemon@nominum.com); Ralph Droms (rdroms); Marc Blanche= t
Subject: [6tsch] FW: draft agenda call 04/05

 

Dar all:

 

Please find a draft agenda for the 6TSCH ca= ll Friday.

The focus will be on the preparation of a c= harter, with a discussion on problem statement and gap analysis:=

·       =   update work on <= span lang=3D"EN-US" style=3D"font-family:"Calibri","sans-ser= if"">PANA [Yoshi]    = ;         5mn

·       =   update work on NSIS [Xavi, Jphn]<= span style=3D"color:#1F497D">       5mn 

·       =   use cases and problem statement:<= span style=3D"color:#1F497D">     30mn

o    summary ML

o    discussion "Problem statemen= t"

o    review remaining items from slide= deck

·       =   list of achievable goals "wh= at needs to be done that does not exist already?"         15mn<= o:p>

o    requirements document<= /span>

o    architecture document<= /span>

o    6tus "foundation" layer=

o    optimized multipath hard tracks

o    distributed multipath soft tracks=  

o    simple distributed routing

o    interoperation event

·       =   draft charter: next steps?  =             &nb= sp;    5mn 

Please let us know if you wish to add / change = stuff in this list

Call info :

Topic:    6TSCH Weekly

Date:     Every Friday, from Frida= y, April 5, 2013 to Friday, March 7, 2014

Time:     8:00 am, Pacific Dayligh= t Time (San Francisco, GMT-07:00)

Meeting Number:      &nb= sp;    206 802 913

Meeting Password:      &= nbsp;  sixtus

 

-------------------------------------------------= ------

To start the online meeting

-------------------------------------------------= ------

1.   Go to https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D481= 905242&PW=3DNZTRkNDAwOTE1&RT=3DMiM0

2.   Log in to your account.

3.   Click =1B$B!H=1B(BStart Now=1B$B!I= =1B(B.

4.   Follow the instructions that appear = on your screen.

 

-------------------------------------------------= ---------------

ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes=

-------------------------------------------------= ---------------

 

The affected toll free numbers are: (866) 432-99= 03 for the San Jose/Milpitas area and (866) 349-3520 for the RTP area.=

Please dial the local access number for your are= a from the list below:

·         San Jose/Milpitas (408)= area:  525-6800

·         RTP (919) area:  3= 92-3330

 

-------------------------------------------------= ------

To join the teleconference only

-------------------------------------------------= ------

1.         Dial into Cisco We= bEx (view all Global Access Numbers at

http://cisco.com/en/US/about/doing_business/conferencing/= index.html

2.         Follow the prompts to enter the Meeting Number (listed above) or Access Co= de followed by the # sign.

 

San Jose, CA: +1.408.525.6800  RTP: = 3;1.919.392.3330

US/Canada: +1.866.432.9903  United King= dom: +44.20.8824.0117

India: +91.80.4350.1111  Germany: += 49.619.6773.9002

Japan: +81.3.5763.9394  China: +86.= 10.8515.5666

To check whether you have the appropriate player= s installed for UCF (Universal Communications Format) rich media files, go = to = https://cisco.webex.com/cisco/systemdiagnosis.php.

CCM:+14085256800x206802913#

 

--_000_674F70E5F2BE564CB06B6901FD3DD78B12CF073Etgxml338toshiba_-- From twatteyne@gmail.com Fri Apr 5 16:49:17 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1460621F9899 for <6tsch@ietfa.amsl.com>; Fri, 5 Apr 2013 16:49:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.876 X-Spam-Level: X-Spam-Status: No, score=-0.876 tagged_above=-999 required=5 tests=[AWL=-2.100, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, FM_IS_IT_OUR_ACCOUNT=4.2, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wfwHrpsjEYuk for <6tsch@ietfa.amsl.com>; Fri, 5 Apr 2013 16:49:16 -0700 (PDT) Received: from mail-pb0-f41.google.com (mail-pb0-f41.google.com [209.85.160.41]) by ietfa.amsl.com (Postfix) with ESMTP id 2312821F93F1 for <6tsch@ietf.org>; Fri, 5 Apr 2013 16:49:16 -0700 (PDT) Received: by mail-pb0-f41.google.com with SMTP id mc17so2279499pbc.28 for <6tsch@ietf.org>; Fri, 05 Apr 2013 16:49:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type; bh=Pz3lTUTNGG45p9ebvL3VC9Glc/t8K8nE3AD+In14rZw=; b=zyEpY0UxeRfDELvgZ6ko3V4eMa7FF8DniChHv5qBcA6zXHuYrbuhVVEdl6DvTFqy8F /UldAtr4pr+2Xipz80MlHrwsuqffXUD1VobuDBLvKsYHJn92o5NZ4uuwFYR/xeQPxVEP Nosx6LIaZGqm+a3jU1F14iAZFRPe78VCf32X4fs2zqkhwwyPAG4Gs5V9rMJWTcvuzEDf 8kLA4DUf4Nj8iDsKGbt6qbzDcjA5f30eTg7bX6dcFoeM+5lrvQmL8Rh3TBdHCVNAnTTS q4B1t7GVPxWgrVTrjcjzN1OSRluSXfbRSp7MoBxv48oTiz5NzyjBzwQhi3GyHwcUdRe7 62VA== X-Received: by 10.66.157.36 with SMTP id wj4mr17755881pab.88.1365205755793; Fri, 05 Apr 2013 16:49:15 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.121.33 with HTTP; Fri, 5 Apr 2013 16:48:55 -0700 (PDT) In-Reply-To: <674F70E5F2BE564CB06B6901FD3DD78B12CF073E@tgxml338.toshiba.local> References: <674F70E5F2BE564CB06B6901FD3DD78B12CF073E@tgxml338.toshiba.local> From: Thomas Watteyne Date: Fri, 5 Apr 2013 16:48:55 -0700 X-Google-Sender-Auth: hkxACQYT22LoI0AWYhAAJOvOerg Message-ID: To: "yoshihiro.ohba@toshiba.co.jp" Content-Type: multipart/alternative; boundary=047d7b86f2561e9c1e04d9a5bc0f Cc: Pascal Thubert , "Ralph Droms \(rdroms\)" , Marc Blanchet , IETF 6TSCH <6tsch@ietf.org>, ted.lemon@nominum.com, adrian@olddog.co.uk Subject: Re: [6tsch] draft agenda call 04/05 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Apr 2013 23:49:17 -0000 --047d7b86f2561e9c1e04d9a5bc0f Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Yoshihiro. Thanks a million for the update. I'm glad to see that you have gathered a good team and that work is progressing fast! I will be sending the minutes from today's call to the ML later today, so you can keep up to date. Thomas On Fri, Apr 5, 2013 at 4:39 PM, wrote: > Dear all,**** > > ** ** > > I am sorry to miss the Apr-5 teleconference.**** > > ** ** > > Regarding =93update work on PANA=94 part, 6 contributors have joined to > develop a 6TSCH security architecture based on PANA. Once TOC is agreed, > contributors will start working on detailed text. **** > > ** ** > > The latest draft being edited is available at:**** > > https://bitbucket.org/6tsch/draft-ohba-6tsch-security/src**** > > ** ** > > Any comments are appreciated.**** > > ** ** > > Best Regards,**** > > Yoshihiro Ohba**** > > ** ** > > ** ** > > *From:* 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] *On Behalf > Of *Pascal Thubert (pthubert) > *Sent:* Friday, April 05, 2013 2:45 PM > *To:* 6tsch@ietf.org; Thomas Watteyne; Adrian Farrel (adrian@olddog.co.uk= ); > Ted Lemon (ted.lemon@nominum.com); Ralph Droms (rdroms); Marc Blanchet > *Subject:* [6tsch] FW: draft agenda call 04/05**** > > ** ** > > Dar all:**** > > ** ** > > Please find a draft agenda for the 6TSCH call Friday. **** > > The focus will be on the preparation of a charter, with a discussion on > problem statement and gap analysis:**** > > **=B7 **update work on PANA [Yoshi] 5mn**** > > **=B7 **update work on NSIS [Xavi, Jphn] 5mn **** > > **=B7 **use cases and problem statement: 30mn**** > > **o **summary ML**** > > **o **discussion "Problem statement"**** > > **o **review remaining items from slide deck**** > > **=B7 **list of achievable goals "what* *needs to be done that do= es > not exist already?" 15mn**** > > **o **requirements document**** > > **o **architecture document**** > > **o **6tus "foundation" layer**** > > **o **optimized multipath hard tracks**** > > **o **distributed multipath soft tracks **** > > **o **simple distributed routing**** > > **o **interoperation event**** > > **=B7 **draft charter: next steps? 5mn **** > > Please let us know if you wish to add / change stuff in this list**** > > Call info : **** > > Topic: 6TSCH Weekly**** > > Date: Every Friday, from Friday, April 5, 2013 to Friday, March 7, 20= 14 > **** > > Time: 8:00 am, Pacific Daylight Time (San Francisco, GMT-07:00)**** > > Meeting Number: 206 802 913**** > > Meeting Password: sixtus**** > > ** ** > > -------------------------------------------------------**** > To start the online meeting**** > > -------------------------------------------------------**** > > 1. Go to > https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D481905242&PW=3DN= ZTRkNDAwOTE1&RT=3DMiM0 > **** > > 2. Log in to your account.**** > > 3. Click =93Start Now=94.**** > > 4. Follow the instructions that appear on your screen.**** > > ** ** > > ----------------------------------------------------------------**** > ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes**** > > ----------------------------------------------------------------**** > > ** ** > > The affected toll free numbers are: (866) 432-9903 for the San > Jose/Milpitas area and (866) 349-3520 for the RTP area.**** > > Please dial the local access number for your area from the list below:***= * > > **=B7 **San Jose/Milpitas (408) area: 525-6800**** > > **=B7 **RTP (919) area: 392-3330**** > > ** ** > > ------------------------------------------------------- **** > To join the teleconference only **** > > ------------------------------------------------------- **** > 1. Dial into Cisco WebEx (view all Global Access Numbers at **** = http://cisco.com/en/US/about/doing_business/conferencing/index.html > > > **** 2. > Follow the prompts to enter the Meeting Number (listed above) or Access > Code followed by the # sign. **** > > ** ** > > San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330 **** > > US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117 **** > > India: +91.80.4350.1111 Germany: +49.619.6773.9002 **** > > Japan: +81.3.5763.9394 China: +86.10.8515.5666**** > > To check whether you have the appropriate players installed for UCF > (Universal Communications Format) rich media files, go to > https://cisco.webex.com/cisco/systemdiagnosis.php.**** > > CCM:+14085256800x206802913# **** > > ** ** > --047d7b86f2561e9c1e04d9a5bc0f Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable
Yoshihiro.

Thanks a million for the upd= ate. I'm glad to see that you have gathered a good team and that work i= s progressing fast!

I will be sending the minutes = from today's call to the ML later today, so you can keep up to date.

Thomas


On Fri, Apr 5, 2013 at 4:39 PM, <<= a href=3D"mailto:yoshihiro.ohba@toshiba.co.jp" target=3D"_blank">yoshihiro.= ohba@toshiba.co.jp> wrote:

Dear all,=

=A0

I am sorry t= o miss the Apr-5 teleconference.

=A0

Regarding = =93update work on PANA=94 part, 6 contributors have joined to develop a 6TSCH security architecture based on PANA.=A0 Onc= e TOC is agreed, contributors will start working on detailed text.=A0

=A0

The latest d= raft being edited is available at:

https://bitbucket.org/6tsch/draft-ohba-6tsch-security/src

=A0

Any comments= are appreciated.

=A0

Best Regards= ,

Yoshihiro Oh= ba

=A0

=A0

From: 6tsch-bounces@ietf.org [mailto:6tsch-= bounces@ietf.org] On Behalf Of Pascal Thubert (pthubert)
Sent: Friday, April 05, 2013 2:45 PM
To: 6tsch@ietf.o= rg; Thomas Watteyne; Adrian Farrel (adrian@olddog.co.uk); Ted Lemon (ted.lemon@nominum.com); Ralp= h Droms (rdroms); Marc Blanchet
Subject: [6tsch] FW: draft agenda call 04/05

=A0

Dar all:

=A0

Please find a draft agenda for the 6TSCH call Friday.

The focus will be on the preparation of a charter, with a discussion o= n problem statement and gap analysis:

<= span>=B7=A0=A0=A0=A0= =A0=A0=A0=A0 update work on PANA [Yoshi]=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0 5mn

<= span>=B7=A0=A0=A0=A0= =A0=A0=A0=A0 update work on NSIS [Xavi, Jphn]=A0=A0=A0=A0 =A0 5mn=A0

<= span>=B7=A0=A0=A0=A0= =A0=A0=A0=A0 use cases and problem statement: =A0=A0=A0 30mn

o=A0=A0=A0 summary ML

o=A0=A0=A0 discussion "Problem statement&q= uot;

o=A0=A0=A0 review remaining items from slide de= ck

<= span>=B7=A0=A0=A0=A0= =A0=A0=A0=A0 list of achievable goals "what<= b> needs to be done that does not exist already?"=A0=A0=A0=A0=A0=A0=A0=A0 15mn

o=A0=A0=A0 requirements document<= /span>

o=A0=A0=A0 architecture document<= /span>

o=A0=A0=A0 6tus "foundation" layer=

o=A0=A0=A0 optimized multipath hard tracks

o=A0=A0=A0 distributed multipath soft tracks=A0=

o=A0=A0=A0 simple distributed routing=

o=A0=A0=A0 interoperation event

<= span>=B7=A0=A0=A0=A0= =A0=A0=A0=A0 draft charter: next steps? =A0=A0=A0= =A0=A0 =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 5mn<= span style=3D"color:#1f497d">=A0

Please let us know if you wish to add / change = stuff in this list

Call info :

Topic:=A0=A0=A0 6TSCH Weekly

Date:=A0=A0=A0=A0 Every Friday, from Friday, April 5, = 2013 to Friday, March 7, 2014

Time:=A0=A0=A0=A0 8:00 am, Pacific Daylight Time (San = Francisco, GMT-07:00)

Meeting Number:=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 206 802 = 913

Meeting Password:=A0=A0=A0=A0=A0=A0=A0=A0 sixtus

=A0

-------------------------------------------------= ------

To start the online m= eeting

-------------------------------------------------= ------

1.=A0=A0 Go to https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D481= 905242&PW=3DNZTRkNDAwOTE1&RT=3DMiM0=

2.=A0=A0 Log in to yo= ur account.

3.=A0=A0 Click =93Sta= rt Now=94.

4.=A0=A0 Follow the i= nstructions that appear on your screen.

=A0

-------------------------------------------------= ---------------

ALERT:Toll-Free Dial = Restrictions for (408) and (919) Area Codes

-------------------------------------------------= ---------------

=A0

The affected toll free= numbers are: (866) 432-9903 for the San Jose/Milpitas area and (= 866) 349-3520 for the RTP area.

Please dial the local = access number for your area from the list below:

=B7=A0=A0=A0=A0=A0=A0=A0=A0 San Jose/Milpitas (408) ar= ea:=A0 525-6800

=B7=A0=A0=A0=A0=A0=A0=A0=A0 RTP (919) area:=A0 392-333= 0

=A0

-------------------------------------------------= ------

To join the teleconfe= rence only

-------------------------------------------------= ------

1.=A0=A0=A0=A0=A0=A0= =A0=A0 Dial into Cisco WebEx (view all Global Access Numbers at

http://cisco.com/en/US/about/doing_business/conferencing/index.htm= l

2.=A0=A0=A0= =A0=A0=A0=A0=A0 Follow the prompts to enter the Meeting Number (listed above) or Access Co= de followed by the # sign.

=A0

San Jose, CA: +1.408.= 525.6800=A0 RTP: +1.919.392.3330

US/Canada: +1.866.432.= 9903=A0 United Kingdom: +44.20.8824.0117

India: +91.80.4350.1= 111=A0 Germany: +49.619.6773.9002

Japan: +81.3.5763.9394= =A0 China: +86.10.8515.5666

To check whether you h= ave the appropriate players installed for UCF (Universal Communications For= mat) rich media files, go to https://cisco.webex.com/cisco/systemdiagnosis.php.

CCM:+14085256800x20680= 2913#

=A0


--047d7b86f2561e9c1e04d9a5bc0f-- From twatteyne@gmail.com Sat Apr 6 17:00:24 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4D63021F8B64 for <6tsch@ietfa.amsl.com>; Sat, 6 Apr 2013 17:00:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.977 X-Spam-Level: X-Spam-Status: No, score=-1.977 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, NO_RELAYS=-0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id InGcbRZ1c6zn for <6tsch@ietfa.amsl.com>; Sat, 6 Apr 2013 17:00:23 -0700 (PDT) Received: from mail-da0-x22e.google.com (mail-da0-x22e.google.com [IPv6:2607:f8b0:400e:c00::22e]) by ietfa.amsl.com (Postfix) with ESMTP id 1F7D721F86C3 for <6tsch@ietf.org>; Sat, 6 Apr 2013 17:00:23 -0700 (PDT) Received: by mail-da0-f46.google.com with SMTP id y19so2066490dan.33 for <6tsch@ietf.org>; Sat, 06 Apr 2013 17:00:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:from:date:x-google-sender-auth :message-id:subject:to:content-type; bh=9cK12tnqrwwWexJOpBnl/c7wLSeRPjq9lQIYwn8fTG0=; b=EzXgs75oQLy/qSs/67xfmWDPm2kprXYVKxuBgYwZRujEMNGjW9t48HRpYFUcHJrXEO 8fHlnbPf0IrHfnswssmKy+Ip+8YiW4c2cLNKM2dU2AlNj5U/q0C3OkQJ3/JTa1S4fTUg JKYVbAH2mRpsqQb9FnHtMnWUbZn4ahEwhXagvwTJtvPkeCZre7ZqXbsjyMuPJCdw5gbB eNLMKp8zrOCVOAwoRWEOJ4+bBxS/mEo90sjj5Rr4GGpjDuJ8wSX8XaA0sgVglfLl7a7x cUd2iSYHpDZsEFMPmFsUlTqtYjV6k/muxkExZQ7Zv92fm6kssWAeDQefwIQ/amWuToWG Y37w== X-Received: by 10.66.81.2 with SMTP id v2mr23519717pax.204.1365292822577; Sat, 06 Apr 2013 17:00:22 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.182.166 with HTTP; Sat, 6 Apr 2013 17:00:02 -0700 (PDT) From: Thomas Watteyne Date: Sat, 6 Apr 2013 17:00:02 -0700 X-Google-Sender-Auth: JU_LUsdmSpGbTKt2YBloLCFkMiI Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=f46d042dfe91b44bca04d9ba01db Subject: [6tsch] minutes WebEx 5 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Apr 2013 00:00:24 -0000 --f46d042dfe91b44bca04d9ba01db Content-Type: text/plain; charset=ISO-8859-1 All, You will find the minutes of the yesterday's webex below. Please fix anything I might have missed directly in the e-mail and reply. Thomas ----- Note: timestamps in PDT. Present (alphabetically) ------------------------ * Alfredo Grieco * Dominique Barthel * Maria Rita Palattella * Pascal Thubert * Qin Wang * Ted Lemon * Thomas Watteyne * Tina Tsou * Tom Phinney * Xavi Vilajosana Agenda ------ * update work on PANA [Yoshihiro] [5min] * update work on NSIS [Xavi, John] [5min] * use cases and problem statement: [30min] * summary ML * discussion "Problem statement" * review remaining items from slide deck * list of achievable goals "what needs to be done that does not exist already?" * requirements document * architecture document * 6tus "foundation" layer * optimized multipath hard tracks * distributed multipath soft tracks * simple distributed routing * interoperation event * draft charter: next steps? [5min] Minutes ------- * [08.04] meeting starts * Yoshihiro could not make it to the call, but sends the following update by e-mail (see http://www.ietf.org/mail-archive/web/6tsch/current/msg00422.html) > Regarding "update work on PANA" part, 6 contributors have joined to > develop a 6TSCH security architecture based on PANA. Once TOC is agreed, > contributors will start working on detailed text. > > The latest draft being edited is available at: > https://bitbucket.org/6tsch/draft-ohba-6tsch-security/src > > Any comments are appreciated. > * [08.06] work on NSIS [Xavi] * Together with John, Xavi has written a document on the applicability of NSIS for 6TSCH networks. * Will share document on ML soon. * NSIS can be useable for soft reservation between nodes in the network. * We can create extension if needed. * Not clear whether can be used for PCE-to-node communication. * [Pascal] We need to discuss whether NSIS can really be used for PCE to mote communication. * [Pascal] Carsten Borrmann suggested in ML that NSIS is too complicated to be implemented in motes (see http://www.ietf.org/mail-archive/web/6tsch/current/msg00326.html ). * [Qin] if we want to use NSIS also for PCE to mote, then motes need to implement NSIS in all cases. * [Xavi] If we go that route, yes. * [Thomas] This is a very first announcement of the work by Xavi and John. Let's wait for the document to appear of the ML and discuss on ML. * [08.10] Problem statement [Pascal] * Pascal presents slides [TODO Thomas: add link] * Optimized Multipath hard tracks * Optimized => PCE * Allocation may be handled by a tier * [Thomas] What's the meaning of IHM? * [Pascal] This is a typo. Equivalent to GUI. * [Pascal] Reducing the amount of copper wiring in a car reduces its weight, and has a real impact on mileage. * Distributed Routing, soft tracks * Reservation => RSVP or NSIS * [Pascal] We need to highlight a very clear use case for this. * [Thomas] Agreed that we need to identify use case. Yet let's not consider this of secondary importance. * Distributed Routing (best effort) * Distributed => RPL * [Qin] It's a bit unclear what this use case it. * [Thomas] We can consider this case for: * Absolute minimal set of things you need to do to interoperate (shared slots) * used when nodes are so constrained that can not implement any form of reservation * used as fallback when all rest goes wrong * used when bootstrapping network * Mobility (best effort) * Two cases: mobile cranes and mobile worker * [Pascal] Can we consider traffic in mobile worker case to be "best effort"? * [Dominique] Yes. * Dynamic slot allocation * Used for bursty traffic * [Thomas] A bit open-ended. Multiple solutions can be found. Maybe roll into "Distributed Routing (best effort)" case? * Backbone * renumbering not needed when nodes transition from one LLN to another * Large/long mesh * [Dominique] Clarification: large akin city-wide, long akin "linear" topology * [Tom] Does this not fall into backbone case? * [Thomas] Agreed. Asnwer for city-wide deployments could be architecture recommendation to use multiple island of 100s nodes interconnected by backbone. * [Pascal] Agreed, we don't need protocolar answer to this. * Coexistence with legacy * Agreed that sync various standards (ISA100.11a, WirelessHART) is no-goal * [08.57] draft charter [Thomas] * Wrote a 1.5p very first draft charter * Idea is to serve as a basis for discussion * With lots of work already done by group, will probably be painless to finalize. * Will post to mailing list to start discussion * We can cover this in next call. * [09.02] Next steps * [Pascal] Put draft charter in bitbucket? * [Thomas] Yes. But charter is a very short document. Maybe we need a (longer) requirements document? * [Pascal] Sounds like a plan. * [09.05] meeting ends --f46d042dfe91b44bca04d9ba01db Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
All,

You will find the minutes of= the yesterday's webex below. Please fix anything I might have missed d= irectly in the e-mail and reply.

Thoma= s

-----

=
Note: timestamps in PDT.<= /div>

Present (alphabetically)
------------------------<= /div>

* Alfredo Grieco
* Dominique Barthel
* Maria Rita Palattella
* Pascal Thubert
* Qin Wang
* Ted Lemon
* Thomas Watteyne
* Tina Tsou
* Tom Phinney
* Xavi Vilajosana

Agenda
------
* update work on PA= NA [Yoshihiro] [5min]
* use cases and problem statement: [30min]
=A0 =A0 * summary ML
=A0 =A0 * discussion "Prob= lem statement"
= =A0 =A0 * review remaining items from slide deck
* list of achievable goals "= ;what needs to be done that does not exist already?"
= =A0 =A0 * requirements document
=A0 =A0 * architecture document<= /font>
=A0 =A0 * 6tus "= ;foundation" layer
=A0 =A0 * optimized multipath hard tracks
=A0 =A0 * distributed multipath = soft tracks
=A0 =A0 = * simple distributed routing
=A0 =A0 * interoperation event
* draft charter: next steps? [5m= in]

Minutes
-------

* [08.04] meeting starts
* Yoshihiro could not make it to the call,= but sends the following update by
=A0 > Regarding "update work on= PANA" part, 6 contributors have joined to
=A0 > develop a 6TSCH securit= y architecture based on PANA. Once TOC is agreed,
=A0 > contributors will start working on d= etailed text.
=A0 >
=A0 > The latest draft being edited is a= vailable at:
=A0 >
=A0 > Any comments are appreciated.
=A0 >
* [08.06] work on NSIS [Xavi]
=A0 =A0 * Together with John, Xa= vi has written a document on the applicability of
=A0 =A0 =A0 NSIS for 6TSCH networks.
=A0 =A0 * Will share document on ML s= oon.
=A0 =A0 * NSIS can be useable fo= r soft reservation between nodes in the network.
=A0 =A0 * We can create extension if needed.
=A0 =A0 * Not clear whether can = be used for PCE-to-node communication.
=A0 =A0 * [Pascal] We need to discuss whether NSIS can r= eally be used for PCE
=A0 =A0 =A0 to mote communicatio= n.
=A0 =A0 * [Pascal= ] Carsten Borrmann suggested in ML that NSIS is too
=A0 =A0 =A0 complicated to be implemented i= n motes
= =A0 =A0 * [Qin] if we want to use NSI= S also for PCE to mote, then motes need to
=A0 =A0 =A0 implement NSIS in al= l cases.
=A0 =A0 * [= Xavi] If we go that route, yes.
=A0 =A0 * [Thomas] This is a very first announcement of the wor= k by Xavi and
=A0 =A0 =A0 =A0John. Let's w= ait for the document to appear of the ML and discuss on ML.
* [08.10] Problem statement [Pascal= ]
=A0 =A0 * Pascal presents slides= [TODO Thomas: add link]
=A0 =A0 * Optimized Multipath hard tracks
=A0 =A0 =A0 =A0 * Optimized =3D> PCE<= /div>
=A0 =A0 =A0 =A0 * Allocation may= be handled by a tier
=A0 =A0 =A0 =A0 * [Pascal] This is = a typo. Equivalent to GUI.
=A0 =A0 =A0 =A0 * [Pascal] Reduc= ing the amount of copper wiring in a car
=A0 =A0 =A0 =A0 =A0 =A0 reduces its weight, and has a = real impact on mileage.
=A0 =A0 * Distributed Routing, s= oft tracks
=A0 =A0 = =A0 =A0 * Reservation =3D> RSVP or NSIS
=A0 =A0 =A0 =A0 * [Pascal] We need to highlight a ve= ry clear use case for this.
=A0 =A0 =A0 =A0 * [Thomas] Agree= d that we need to identify use case. Yet let's
=A0 =A0 =A0 =A0 =A0 not consider this of sec= ondary importance.
=A0 =A0 * Distributed Routing (b= est effort)
=A0 =A0 = =A0 =A0 * Distributed =3D> RPL
=A0 =A0 =A0 =A0 * [Qin] It's a bit unclear what this use = case it.
=A0 =A0 =A0 =A0 * [Thomas] We ca= n consider this case for:
=A0 =A0 =A0 =A0 =A0 =A0 * Absolute minimal set of things you need to = do to interoperate
=A0 =A0 =A0 =A0 =A0 =A0 =A0 (sha= red slots)
=A0 =A0 = =A0 =A0 =A0 =A0 * used when nodes are so constrained that can not implement=
=A0 =A0 =A0 =A0 =A0= =A0 =A0 any form of reservation
=A0 =A0 =A0 =A0 =A0 =A0 * used a= s fallback when all rest goes wrong
=A0 =A0 =A0 =A0 =A0 =A0 * used when bootstrapping network
=A0 =A0 * Mobility (b= est effort)
=A0 =A0 =A0 =A0 * Two cases: mob= ile cranes and mobile worker
=A0 =A0 =A0 =A0 * [Pascal] Can we consider traffic in mobile worke= r case to be
=A0 =A0 =A0 =A0 =A0 =A0"bes= t effort"?
=A0 = =A0 =A0 =A0 * [Dominique] Yes.
=A0 =A0 * Dynamic slot allocation
=A0 =A0 =A0 =A0 * Used for burst= y traffic
=A0 =A0 = =A0 =A0 * [Thomas] A bit open-ended. Multiple solutions can be found.
=A0 =A0 =A0 =A0 =A0 Maybe= roll into "Distributed Routing (best effort)" case?
=A0 =A0 * Backbone
<= div>=A0 =A0 =A0 =A0 * renumbering not= needed when nodes transition from one LLN to another
=A0 =A0 * Large/long mesh
=A0 =A0 =A0 =A0 * [Dominique] Cl= arification: large akin city-wide, long akin
=A0 =A0 =A0 =A0 =A0 "linear" topology
=A0 =A0 =A0 =A0 * [Tom= ] Does this not fall into backbone case?
=A0 =A0 =A0 =A0 * [Thomas] Agree= d. Asnwer for city-wide deployments could be
=A0 =A0 =A0 =A0 =A0 architecture recommendation to= use multiple island of 100s nodes
=A0 =A0 =A0 =A0 =A0 interconnect= ed by backbone.
=A0 = =A0 =A0 =A0 * [Pascal] Agreed, we don't need protocolar answer to this.=
=A0 =A0 * Coexistence with legacy
=A0 =A0 =A0 =A0 * Agree= d that sync various standards (ISA100.11a, WirelessHART) is
=A0 =A0 =A0 =A0 =A0 no-goal<= /div>
* [08.57] draft charter [Thomas]=
=A0 =A0 * Wrote a 1= .5p very first draft charter
=A0 =A0 * Idea is to serve as a basis for discussion
=A0 =A0 * With lots of work alre= ady done by group, will probably be painless to
=A0 =A0 =A0 finalize.
=A0 =A0 * Will post to mailing list to start = discussion
=A0 =A0 * We can cover this in n= ext call.
* [09.02] = Next steps
=A0 =A0 *= [Pascal] Put draft charter in bitbucket?
=A0 =A0 * [Thomas] Yes. But char= ter is a very short document. Maybe we need
=A0 =A0 =A0 =A0a (longer) requirements document?
=A0 =A0 * [Pascal] Sounds like a plan= .
* [09.05] meeting = ends

--f46d042dfe91b44bca04d9ba01db-- From twatteyne@gmail.com Sat Apr 6 17:22:55 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0CEF821F8E59 for <6tsch@ietfa.amsl.com>; Sat, 6 Apr 2013 17:22:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.951 X-Spam-Level: X-Spam-Status: No, score=-1.951 tagged_above=-999 required=5 tests=[AWL=0.025, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fAMiu6F0z685 for <6tsch@ietfa.amsl.com>; Sat, 6 Apr 2013 17:22:54 -0700 (PDT) Received: from mail-pd0-f178.google.com (mail-pd0-f178.google.com [209.85.192.178]) by ietfa.amsl.com (Postfix) with ESMTP id 7CE5221F8E4E for <6tsch@ietf.org>; Sat, 6 Apr 2013 17:22:54 -0700 (PDT) Received: by mail-pd0-f178.google.com with SMTP id w11so2549422pde.23 for <6tsch@ietf.org>; Sat, 06 Apr 2013 17:22:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:from:date:x-google-sender-auth :message-id:subject:to:content-type; bh=Nq7m7bBZkhRPigKKmSeZeEzIXPZFCwxJwlhvcDGMwG4=; b=wP5UAnwLbfrN9fDqdg73w6HI2wXogS4pxILl1Ugqq+97vB6Htw7l22oCwzb/tWGaT1 mUdC5bwF+s15VvDkI3houJtUNVFHtv56cUQvQDr6lvfU2WyoYa/8rr6skyuOiw8j9USR sAMUgYartD7oXxeZhWqFmRt3iYTacsdQT7piG7bnzLGJSGY42HUe2jCXL4UZEmUKGbZH 3ZU04YcHjBdrrsgnARCJlJZFEl2Chouofjbz8TL+MZHtyR8ddODMw5UGAn308aU7M5b3 0byn2DQh6izTMBgeHxoq3NqtpwBK5bAHhCtj8e9NNQmxhIN5nPKLqs0Y0FNDmeCpeAti Hw5g== X-Received: by 10.66.162.103 with SMTP id xz7mr23644700pab.2.1365294174102; Sat, 06 Apr 2013 17:22:54 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.182.166 with HTTP; Sat, 6 Apr 2013 17:22:34 -0700 (PDT) From: Thomas Watteyne Date: Sat, 6 Apr 2013 17:22:34 -0700 X-Google-Sender-Auth: F5KX_3otoCFiQY1whpTkNnEqhro Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7b86f5a442ece504d9ba5267 Subject: [6tsch] FYI: webex minutes archive X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Apr 2013 00:22:55 -0000 --047d7b86f5a442ece504d9ba5267 Content-Type: text/plain; charset=ISO-8859-1 All, FYI, you will find an archive of all past webex minutes at https://bitbucket.org/6tsch/meetings/. Let's keep sending the minutes to the mailing list, but also store them in the archive, together with the presented material. If you see something is not write with the content, please send a note to the mailing list. Thomas --047d7b86f5a442ece504d9ba5267 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
All,

FYI, you will find an archive of a= ll past webex minutes at=A0


Let's keep sending the minutes to the mailing list,= but also store them in the archive, together with the presented material.<= /div>

If you see something is not write with the content= , please send a note to the mailing list.

Thomas
--047d7b86f5a442ece504d9ba5267-- From twatteyne@gmail.com Sat Apr 6 18:21:57 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C575621F8C04 for <6tsch@ietfa.amsl.com>; Sat, 6 Apr 2013 18:21:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.977 X-Spam-Level: X-Spam-Status: No, score=-1.977 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, NO_RELAYS=-0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id btebUyVYef4A for <6tsch@ietfa.amsl.com>; Sat, 6 Apr 2013 18:21:57 -0700 (PDT) Received: from mail-da0-x22f.google.com (mail-da0-x22f.google.com [IPv6:2607:f8b0:400e:c00::22f]) by ietfa.amsl.com (Postfix) with ESMTP id 455BC21F8B61 for <6tsch@ietf.org>; Sat, 6 Apr 2013 18:21:57 -0700 (PDT) Received: by mail-da0-f47.google.com with SMTP id s35so2086643dak.34 for <6tsch@ietf.org>; Sat, 06 Apr 2013 18:21:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:from:date:x-google-sender-auth :message-id:subject:to:content-type; bh=34SiNeqXhEq7YRvNJwb/YLx1TOzZ/XhTkZRNnaKAWzA=; b=hDNzMc5ykiqMbnhCsdNgP4TuVHiNzO1ZKHGylEojYM63RNLx0dreY4ybi0bBE6vvwA 7YVomUIYoM6UAUqXQ2mXgGOcENyJ9ynyqDpkV5opF2Cs0/Q0p5koMnA1wQa7/F3a2o58 iwQAJO0nN2jA4YXVuVk9Za/s9ZTnoeD84WoblY+DOMPoUm7szyDf6wdob07TDXe2y2q9 O1gln7WHCuLCiMqcCfpcqJEjyVQW7MnpQM7FVZ6Q99ihPd0V4s5L+7FgN+EMv9QRXuxB DfRmzHApkdq5T10X3yc/egaALWK8CSmHG9SzGvX7R8WlZZwppPa3zaZkN8ZGPaAJuUsA GJhg== X-Received: by 10.66.171.132 with SMTP id au4mr24184027pac.11.1365297716837; Sat, 06 Apr 2013 18:21:56 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.182.166 with HTTP; Sat, 6 Apr 2013 18:21:35 -0700 (PDT) From: Thomas Watteyne Date: Sat, 6 Apr 2013 18:21:35 -0700 X-Google-Sender-Auth: -X_N4V2kTwpe7YHU07r0Qc4yndg Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7bea2e4a6cc65e04d9bb2558 Subject: [6tsch] charter-ietf-6tsch: draft uploaded X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Apr 2013 01:21:57 -0000 --047d7bea2e4a6cc65e04d9bb2558 Content-Type: text/plain; charset=ISO-8859-1 All, As discussed during the webex yesterday, you will find the draft for a 6TSCH charter at: https://bitbucket.org/6tsch/charter-ietf-6tsch/src Looking forward to receiving your comments on the ML, Thomas --047d7bea2e4a6cc65e04d9bb2558 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
All,

As discussed during the webe= x yesterday, you will find the draft for a 6TSCH charter at:


Looking forward to receiving your com= ments on the ML,

Thomas
--047d7bea2e4a6cc65e04d9bb2558-- From marc.blanchet@viagenie.ca Sun Apr 7 01:16:20 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A9E5221F8E7B for <6tsch@ietfa.amsl.com>; Sun, 7 Apr 2013 01:16:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.599 X-Spam-Level: X-Spam-Status: No, score=-102.599 tagged_above=-999 required=5 tests=[AWL=-0.001, BAYES_00=-2.599, HTML_MESSAGE=0.001, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rH2QzSlQaeWQ for <6tsch@ietfa.amsl.com>; Sun, 7 Apr 2013 01:16:14 -0700 (PDT) Received: from jazz.viagenie.ca (jazz.viagenie.ca [206.123.31.2]) by ietfa.amsl.com (Postfix) with ESMTP id 5412721F8AF0 for <6tsch@ietf.org>; Sun, 7 Apr 2013 01:16:14 -0700 (PDT) Received: from [10.196.198.183] (1-193.icannmeeting.org [199.91.193.1]) by jazz.viagenie.ca (Postfix) with ESMTPSA id 4E90B46E7D; Sun, 7 Apr 2013 04:15:33 -0400 (EDT) Content-Type: multipart/alternative; boundary="Apple-Mail=_008DCCA4-97C6-4D04-8381-0A9C3246BBBF" Mime-Version: 1.0 (Mac OS X Mail 6.3 \(1503\)) From: Marc Blanchet In-Reply-To: Date: Sun, 7 Apr 2013 16:15:30 +0800 Message-Id: <9E342984-2BB1-4935-96C6-4141E9B3D842@viagenie.ca> References: To: Thomas Watteyne X-Mailer: Apple Mail (2.1503) Cc: IETF 6TSCH <6tsch@ietf.org> Subject: Re: [6tsch] charter-ietf-6tsch: draft uploaded X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Apr 2013 08:16:20 -0000 --Apple-Mail=_008DCCA4-97C6-4D04-8381-0A9C3246BBBF Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 some comments on the charter below, marked Marc. Background/Introduction: ------------------------ Low power and Lossy Networks (LLNs) interconnect a possibly large number = of resource-constrained devices to form a wireless mesh network. A small = number of border routers (BR) serve as gateways between the LLN and the Internet. = There is a wide scope of application areas for LLNs, including building = automation, home automation, industrial process control and urban applications. A chief component of these networks is the wireless communication = technology. The 6LoWPAN, ROLL and CoRE IETF Working Groups have defined protocols at various layers of the LLN protocol stack, including an IPv6 adaptation = layer, a routing protocol and a web transfer protocol. This protocol stack has = been used with IEEE802.15.4 low-power radios so far, the limitation of which in mesh-networking conditions however has become apparent recently. To this end, IEEE802.15.4e Timeslotted Channel Hopping (TSCH) has been = made a recent amendment to the Medium Access Control protocol of the = IEEE802.15.4 standard, inheriting from long-standing industrial process control = standards such as WirelessHART and ISA100.11a. IEEE802.15.4e enhances the IEEE802.15.4 standard through: - high reliability: 99.999% end-to-end reliability is commonplace. - determinism: a clear definition of link-layer resources allows = independence of data flows. - low-power: devices can have duty cycles well below 1%, thereby = extending battery lifetime to multiple years. It should appropriate to have a short paragraph on what TSCH exactly = does: ie. a more detailed description of how the timeslots are done, and = how the channel hopping is. The intent is not to get a full = description, but a grisp of what is new or different using this new LL = stack. Right now, the current text says: "this is great, we need a new = adaptation layer", but does not specify really what are the main = characteristics and challenges of this version of 802.15.4. If the intro = becomes too long, I would add that paragraph and remove or shrink the = first two paragraphs. These characteristics translate into a new range of use cases for LLNs, including: - Control loops in a wireless process control network, in which high reliability and determinism are required. - Umbrella urban networks transporting data from different independent = clients, and for which an operator needs flow isolation and traffic shaping. - Energy harvesting networks, which require an extremely low and = predictable average power consumption. IEEE802.15.4e only defines the link-layer mechanisms. It does not define = how the network communication schedule is built and matched to the traffic requirement of the network. The definition of an adaptation layer and architectural recommendations are needed for those highly efficient LLN networks to transition to end-to-end IPv6-based solutions. Description of Working Group: ----------------------------- The Working Group focuses only on the TSCH mode of the IEEE802.15.4e = standard. The WG will define a framework for managing the TSCH schedule. This = framework will consist of an adaptation layer which allows a central or a = distributed forwarding entity to match the bandwidth, latency and reliability = requirements of the different data flows transported in the LLN. The WG will focus on three scheduling approaches:=20 - a central Path Computation Entity builds and maintains the = communication schedule, and distributes it to the nodes. This schedule includes = routing information; RPL operations only apply to emergency repair actions when = the reference topology becomes unusable. - a distributed resource reservation and signaling protocol establishes = pipes between source and destination nodes along multi-hop routes identified = by RPL. - a best effort resource reservation is used to transport data frames = along multi-hop routes identified by RPL. The Working Group focuses only on an IPv6-based architecture, which = includes 6LoWPAN header compression and the RPL routing protocol for routing. The = WG will produce architectural recommendations defining how IPv6 packets are labeled and transported over the LLN, and how an LLN can support = multiple BRs. It will also address how IPv6 prefixes can be shared between LLNs and = how nodes maintain synchronization in the presence of multiple BRs. I think here we should be cautious. I would rephrase or add the fact = that these new definitions will only be done if they are really needed. = It may not be obvious that the addition of TSCH have the impact of = defining another way the IPv6 prefixes will be used. Maybe some text = like: "Only required changes or additions to the 6lowpan/rpl will be = developed. The WG will informally coordinate on requirements with organizations = including IPSO Alliance, IoT6, ISA, IEEE and other SDOs and organizations. The WG = will closely coordinate with other IETF WGs including ROLL, 6LoWPAN, CoRE, = PCE, COMAN, LWIG and other appropriate groups in the IETF Internet, Routing = and Security areas. Work Items: ----------- 1. Produce "6tus Adaptation Layer Specification" to define the operation = of the adaptation layer between the 6LoWPAN/RPL networking layer and the IEEE802.15.4e TSCH MAC layer.=20 6tus here is the first time that keyword is used. Might want to = expand it This document (or documents) will define how to bootstrap a 6TSCH network, and how nodes maintain synchronization, = including in the presence of multiple BRs. It will define the hooks for an upper scheduling layer to modify the underlying TSCH schedule, as well as the monitoring functions to gather link quality statistics and possibly act accordingly. This document or documents will be a proposed standard. 2. Produce "6TSCH centralized management" to define the mechanism by = which an external Path Computation Entity can communicate with the 6tus protocol = layer of the different nodes in the network (1) to modify their TSCH schedule = and (2) to gather link quality statistics and data flow requirements. The = WG will initially look at PCEP and CoAP. Depending on the applicability of PCEP, this document will either be informational or a proposed standard. Looks like a protocol. I would suggest setting it for now as = Proposed Standard. and then see later if relevant to downgrade it to = informational 3. Produce "6TSCH distributed management" to define the mechanism by = which a source node reserves MAC-layer resources along a pre-established RPL = multi-hop path to a destination node. The WG will initially look at RSVP and NSIS. Depending on the applicability of RSVP and NSIS, this document will = either be informational or a proposed standard. same comment 4. Produce "6TSCH minimal operation" to define how to build a 6TSCH = network when no PCE or distributed scheduling protocol is available. The = communication schedule can be either pre-set (possibly using shared resources), or = resource requirements can be determined on the fly by traffic analysis at the = nodes. This document will be informational. 5. Produce "6TSCH architecture" to describe the design and = implementation of 6TSCH networks. This document will highlight the different data and = signaling flows, the operation of the network in the presence of multiple BRs, and the labeling of packets travelling over the 6TSCH network. This document will be informational. 6. Produce "TSCH overview" to describe the IEEE802.15.4e TSCH standard = in the LLN context. This document will present protocol highlights, and = identify the elements that need to be handled by the upper layers. This document will be informational. The working group will continue to reuse existing protocols and = mechanisms whenever reasonable and possible. Non-milestone work items: ------------------------- The Working Group will keep two running, often-respun documents: - implementers guide, collecting clarifying information based on input = from implementers, in particular as it becomes available from = interoperability events. - interoperability guide, providing information for interoperability events, such as temporary interoperability testing strategies or information about test harnesses used for interoperability testing. Both documents will be WG documents. This last part looks weird. If there are wg documents, then they = should be published as RFC, informational as I see. Why not? Le 2013-04-07 =E0 09:21, Thomas Watteyne a = =E9crit : > All, >=20 > As discussed during the webex yesterday, you will find the draft for a = 6TSCH charter at: >=20 > https://bitbucket.org/6tsch/charter-ietf-6tsch/src >=20 > Looking forward to receiving your comments on the ML, >=20 > Thomas > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch --Apple-Mail=_008DCCA4-97C6-4D04-8381-0A9C3246BBBF Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 some = comments on the charter below, marked = <MB>

Marc.



Low power and =
Lossy Networks (LLNs) interconnect a possibly large number of
border routers =
(BR) serve as gateways between the LLN and the Internet. There
is a wide =
scope of application areas for LLNs, including building automation,
home =
automation, industrial process control and urban applications.

A chief =
component of these networks is the wireless communication technology.
The 6LoWPAN, =
ROLL and CoRE IETF Working Groups have defined protocols at
various =
layers of the LLN protocol stack, including an IPv6 adaptation layer, a
routing =
protocol and a web transfer protocol. This protocol stack has been used
with =
IEEE802.15.4 low-power radios so far, the limitation of which in

To this end, =
IEEE802.15.4e Timeslotted Channel Hopping (TSCH) has been made a
recent =
amendment to the Medium Access Control protocol of the IEEE802.15.4
standard, =
inheriting from long-standing industrial process control standards
such as =
WirelessHART and ISA100.11a.

IEEE802.15.4e =
enhances the IEEE802.15.4 standard through:
- high =
reliability: 99.999% end-to-end reliability is commonplace.
- =
determinism: a clear definition of link-layer resources allows =
independence
of data =
flows.
- low-power: =
devices can have duty cycles well below 1%, thereby extending
battery =
lifetime to multiple years.


including:
- Control =
loops in a wireless process control network, in which high
reliability =
and determinism are required.
- Umbrella =
urban networks transporting data from different independent clients,
and for which =
an operator needs flow isolation and traffic shaping.
- Energy =
harvesting networks, which require an extremely low and predictable
average power =
consumption.

IEEE802.15.4e =
only defines the link-layer mechanisms. It does not define how
the network =
communication schedule is built and matched to the traffic
requirement =
of the network. The definition of an adaptation layer and
architectural =
recommendations are needed for those highly efficient LLN
networks to =
transition to end-to-end IPv6-based solutions.

Description =
of Working Group:

The Working =
Group focuses only on the TSCH mode of the IEEE802.15.4e standard.
The WG will =
define a framework for managing the TSCH schedule. This framework
will consist =
of an adaptation layer which allows a central or a distributed
forwarding =
entity to match the bandwidth, latency and reliability requirements
of the =
different data flows transported in the LLN.

The WG will =
focus on three scheduling approaches:=20
- a central =
Path Computation Entity builds and maintains the communication
schedule, and =
distributes it to the nodes. This schedule includes routing
information; =
RPL operations only apply to emergency repair actions when the
reference =
topology becomes unusable.
- a =
distributed resource reservation and signaling protocol establishes =
pipes
between =
source and destination nodes along multi-hop routes identified by RPL.
- a best =
effort resource reservation is used to transport data frames along
multi-hop =
routes identified by RPL.

The Working =
Group focuses only on an IPv6-based architecture, which includes
6LoWPAN =
header compression and the RPL routing protocol for routing. The WG
will produce =
architectural recommendations defining how IPv6 packets are
labeled and =
transported over the LLN, and how an LLN can support multiple BRs.
It will also =
address how IPv6 prefixes can be shared between LLNs and how nodes
maintain =
synchronization in the presence of multiple BRs.

<MB>I think here we =
should be cautious. I would rephrase or add the fact that these new =
definitions will only be done if they are really needed. It may not be =
obvious that the addition of TSCH have the impact of defining another =
way the IPv6 prefixes will be used.  Maybe some text like: "Only =
required changes or additions to the 6lowpan/rpl will be =
developed.</MB>

The WG will =
informally coordinate on requirements with organizations including
IPSO =
Alliance, IoT6, ISA, IEEE and other SDOs and organizations. The WG will
closely =
coordinate with other IETF WGs including ROLL, 6LoWPAN, CoRE, PCE,
COMAN, LWIG =
and other appropriate groups in the IETF Internet, Routing and
Security =
areas.

Work Items:
-----------

1. Produce =
"6tus Adaptation Layer Specification" to define the operation of
the =
adaptation layer between the 6LoWPAN/RPL networking layer and the
IEEE802.15.4e =
TSCH MAC layer. 
<MB>6tus here is the first time that keyword is =
used. Might want to expand it</MB>

This document (or documents) will define how to
bootstrap a =
6TSCH network, and how nodes maintain synchronization, including
in the =
presence of multiple BRs. It will define the hooks for an upper
scheduling =
layer to modify the underlying TSCH schedule, as well as the
monitoring =
functions to gather link quality statistics and possibly act
accordingly.
This document =
or documents will be a proposed standard.

2. Produce =
"6TSCH centralized management" to define the mechanism by which an
external Path =
Computation Entity can communicate with the 6tus protocol layer
of the =
different nodes in the network (1) to modify their TSCH schedule and
(2) to gather =
link quality statistics and data flow requirements.  The WG will
initially =
look at PCEP and CoAP.
Depending on =
the applicability of PCEP, this document will either be
informational =
or a proposed standard.

<MB>Looks like a protocol. I would suggest setting =
it for now as Proposed Standard. and then see later if relevant to =
downgrade it to informational</MB>
3. Produce =
"6TSCH distributed management" to define the mechanism by which a
source node =
reserves MAC-layer resources along a pre-established RPL multi-hop
path to a =
destination node. The WG will initially look at RSVP and NSIS.
Depending on =
the applicability of RSVP and NSIS, this document will either be

<MB>same =
comment</MB>

4. Produce =
"6TSCH minimal operation" to define how to build a 6TSCH network
when no PCE =
or distributed scheduling protocol is available. The communication
schedule can =
be either pre-set (possibly using shared resources), or resource
requirements =
can be determined on the fly by traffic analysis at the nodes.
This =
document will be informational.

5. Produce =
"6TSCH architecture" to describe the design and implementation of
6TSCH =
networks. This document will highlight the different data and signaling
flows, the =
operation of the network in the presence of multiple BRs,
and the =
labeling of packets travelling over the 6TSCH network.
This =
document will be informational.

6. Produce =
"TSCH overview" to describe the IEEE802.15.4e TSCH standard in the
LLN context. =
This document will present protocol highlights, and identify
the elements =
that need to be handled by the upper layers.
This =
document will be informational.

The working =
group will continue to reuse existing protocols and mechanisms
whenever =
reasonable and possible.


The Working =
Group will keep two running, often-respun documents:
- =
implementers guide, collecting clarifying information based on input =
from
events.
- =
interoperability guide, providing information for interoperability
events, such =
as temporary interoperability testing strategies or
information =
about test harnesses used for interoperability testing.

Both =
documents will be WG documents.

<MB>This last part looks weird. If there are wg =
documents, then they should be published as RFC, informational as I see. =
Why not? </MB>
watteyne@eecs.berkeley.edu&=
gt; a =E9crit :

All,

As = discussed during the webex yesterday, you will find the draft for a = 6TSCH charter at:


Looking forward to = receiving your comments on the ML,

Thomas
_______________________________________________
6tsch mailing = list
6tsch@ietf.org
https://www.ietf.org/= mailman/listinfo/6tsch

= --Apple-Mail=_008DCCA4-97C6-4D04-8381-0A9C3246BBBF-- From xvilajosana@eecs.berkeley.edu Mon Apr 8 10:03:57 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5E05821F8EAA for <6tsch@ietfa.amsl.com>; Mon, 8 Apr 2013 10:03:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PZO0DizHM52f for <6tsch@ietfa.amsl.com>; Mon, 8 Apr 2013 10:03:56 -0700 (PDT) Received: from cm05fe.IST.Berkeley.EDU (cm05fe.IST.Berkeley.EDU [169.229.218.146]) by ietfa.amsl.com (Postfix) with ESMTP id 663D321F8CD8 for <6tsch@ietf.org>; Mon, 8 Apr 2013 10:03:56 -0700 (PDT) Received: from dhcp-33-135.eecs.berkeley.edu ([128.32.33.135]) by cm05fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth plain:xvilajosana@eecs.berkeley.edu) (envelope-from ) id 1UPFU3-00019j-G9 for 6tsch@ietf.org; Mon, 08 Apr 2013 10:03:56 -0700 Message-ID: <5162F87A.4060502@eecs.berkeley.edu> Date: Mon, 08 Apr 2013 10:03:54 -0700 From: Xavier Vilajosana User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: "6tsch@ietf.org" <6tsch@ietf.org> Content-Type: multipart/mixed; boundary="------------090608030608010201050506" Subject: [6tsch] summary NSIS X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Apr 2013 17:03:57 -0000 This is a multi-part message in MIME format. --------------090608030608010201050506 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hi all, as said last Friday I want to share with you a brief summary on how NSIS can be used to transport and maintain QoS along a track. An open issue is how PCE can make use of NSIS to install scheduling configuration. Note that maybe it is not possible to use NSIS for PCE centralized scheduling but as said we are exploring some alternatives. Any suggestion, idea or proposal is welcome. kind regards, Xavi --------------090608030608010201050506 Content-Type: text/plain; charset=UTF-8; name="NSIS.txt" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="NSIS.txt" CgpSZXNlcnZpbmcgc29mdCB0cmFja3MgYWxvbmcgUlBMIHJvdXRlcywgd2hlbiBubyBQQ0Ug aXMgcHJlc2VudAoKV2UgYXNzdW1lIE5TSVMgZnJhbWV3b3JrIGlzIHJ1bm5pbmcgb24gdGhl IG5vZGVzIGluIHRoZSBuZXR3b3JrLiBOU0lTIGlzIGNvbXBvc2VkIG9mIDIgbGF5ZXJzLCBh IHRyYW5zcG9ydCBsYXllciBuYW1lZCBHSVNUIChHZW5lcmFsIEludGVybmV0IFNpZ25hbGlu ZyBUcmFuc3BvcnQpIHRoYXQgcnVucyBvbiB0b3Agb2YgVExTIChvcHRpb25hbGx5KSBhbmQg VENQIG9yIFVEUCAobWFpbmx5IFVEUCBpbiBvdXIgY2FzZSDigJMgYWx0aG91Z2ggZnJvbSB0 aGVpciBzcGVjcyB0aGlzIGlzIG5vdCB2ZXJ5IGNsZWFyIHRoYXQgd2UgY2FuIHJ1biBhbGwg b2YgaXQgb3ZlciBVRFApIGFuZCBhIHNpZ25hbGluZyBsYXllciBjYWxsZWQgTlNJUyBRb1Mg KE5TSVMgU2lnbmFsaW5nIExheWVyIFByb3RvY29sIChOU0xQKSBmb3IgUXVhbGl0eS1vZi1T ZXJ2aWNlIFNpZ25hbGluZyBbUkZDNTk3NF0pLiAKClRoZSBHSVNUIGxheWVyIGlzIGluIGNo 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IG1pbmQsIEkgd2lsbCB3ZWxjb21lIGFueSBpZGVhIG9yIHN1Z2dlc3Rpb24gb24gd2hldGhl ciBpdCBpcyBwb3NzaWJsZSBvciBub3QgdG8gZXh0ZW5kIFFTUEVDIG1lc3NhZ2VzIFtSRkM1 OTc1XSBzbyBhIFBDRSBvcmllbnRlZCBtZXNzYWdlIGNhbiBiZSB0cmFuc3BvcnRlZCB1c2lu ZyB0aGUgTlNJUyBRb1Mgc3BlY2lmaWNhdGlvbi4= --------------090608030608010201050506-- From roland.bless@kit.edu Wed Apr 10 08:15:05 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1C6D021F98AF for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 08:15:05 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.249 X-Spam-Level: X-Spam-Status: No, score=-6.249 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HELO_EQ_DE=0.35, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id n4igNQxdPOtg for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 08:15:04 -0700 (PDT) Received: from iramx2.ira.uni-karlsruhe.de (iramx2.ira.uni-karlsruhe.de [141.3.10.81]) by ietfa.amsl.com (Postfix) with ESMTP id 3496021F962E for <6tsch@ietf.org>; Wed, 10 Apr 2013 08:15:04 -0700 (PDT) Received: from i72vorta.tm.uni-karlsruhe.de ([141.3.71.26] helo=vorta.tm.kit.edu) by iramx2.ira.uni-karlsruhe.de with esmtp port 25 id 1UPwjg-00044v-6c; Wed, 10 Apr 2013 17:15:02 +0200 Received: from [IPv6:::1] (ip6-localhost [IPv6:::1]) by vorta.tm.kit.edu (Postfix) with ESMTPS id F2C58A8083A; Wed, 10 Apr 2013 17:14:55 +0200 (CEST) Message-ID: <516581EF.7060106@kit.edu> Date: Wed, 10 Apr 2013 17:14:55 +0200 From: "Bless, Roland (TM)" Organization: Institute of Telematics, Karlsruhe Institute of Technology User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: Xavier Vilajosana References: <5162F87A.4060502@eecs.berkeley.edu> In-Reply-To: <5162F87A.4060502@eecs.berkeley.edu> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-ATIS-AV: Kaspersky (iramx2.ira.uni-karlsruhe.de) X-ATIS-AV: ClamAV (iramx2.ira.uni-karlsruhe.de) X-ATIS-Timestamp: iramx2.ira.uni-karlsruhe.de 1365606902.545695000 Cc: "6tsch@ietf.org" <6tsch@ietf.org> Subject: Re: [6tsch] summary NSIS X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Apr 2013 15:15:05 -0000 Hi, On 08.04.2013 19:03, Xavier Vilajosana wrote: > Note that maybe it is not possible to use NSIS for PCE centralized > scheduling but as said we are exploring some alternatives. Please note that it is possible to use NSIS also for path-decoupled signaling, e.g., if you have a PCE signaling to some device. > GIST also provides peer discovery mechanism in case no routing state > is known in the network. As we assume RPL we don't consider the use > of QUERY messages from GIST to discover neighbor peers. However, > QUERY messages can also be used to discover if a certain QoS is > supported by other neighbors (i.e exploring for resources). IMHO this is not fully correct or confuses different aspects: "in case no routing state is known in the network" is only correct if you are referring to GIST's signaling routing state. In that case the first message is a (GIST) QUERY message that is usually sent towards the data flow's destination and intercepted by the next relevant GIST peer that wants to process the signaling message. If the latter is willing to establish a signaling session it continues a three-way handshake. So this probing QUERY is a means to find/discover the next signaling peer along a (given) network route. I don't know RPL very well, but you cannot omit the GIST QUERY message, just because you assume RPL for route establishment. Sending the QUERY will simply follow a route that is established by RPL. The other type of mentioned QUERY message is at QoS NSLP layer (no to be confused with the GIST/NTLP layer) and it is optional, whereas the GIST QUERY message is always required for establishing the NTLP/GIST signaling session. > Note that the baseline message routing functionality in GIST is that > signaling messages follow a route defined by an existing flow in the > network (i.e RPL), visiting a subset of the nodes through which it > passes. This is the appropriate behavior for application scenarios > where the purpose of the signaling is to manipulate resources for > that flow as is our case. To be more precise: GIST finds/discovers all relevant nodes along a flow's data path in order to allocate/manipulate resources for that data flow. However, path-coupled signaling is only one possible (signaling) message routing method. As I said, it's possible to implement others (we implemented a so called explicit signaling target MRM). We also added multicast support to GIST and QoS NSLP. > With that in mind, I will welcome any idea or suggestion on whether > it is possible or not to extend QSPEC messages [RFC5975] so a PCE > oriented message can be transported using the NSIS QoS > specification. It should be no problem to define additional QoS parameters within the QSPEC template if needed (cf. sec 4.4 of RFC5975). It is also easy to add additional QoS NSLP objects if the QSPEC template isn't a good match...,e.g., we augmented a QoS NSLP message with addressing information in order to set up virtual links. Regards, Roland From pthubert@cisco.com Wed Apr 10 08:48:29 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 99DF121F97CF for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 08:48:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.599 X-Spam-Level: X-Spam-Status: No, score=-10.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id d1fNBRQjGI8e for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 08:48:28 -0700 (PDT) Received: from rcdn-iport-3.cisco.com (rcdn-iport-3.cisco.com [173.37.86.74]) by ietfa.amsl.com (Postfix) with ESMTP id 5CD2121F97C5 for <6tsch@ietf.org>; Wed, 10 Apr 2013 08:48:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=3783; q=dns/txt; s=iport; t=1365608908; x=1366818508; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=BdS5qBFSOggyUVaQDLJGIlMebqQb5zZC8a1FqUclLRU=; b=hrTpVRpkXzqjOVRUt/QjmqxkQwrM1eTA8gDZ8hK7GkxpM60S3rGBHMFK ekuv6wepdNCR4nkf2rmvhukh123ubEsGaZM47OOYqa5phKssiaghnFgVe 0zqXIt+DcvD+v2je+6Dsl8EHCSiPpf6Y8Nk3V7OjxfAjPHhl2QZe2iF8z Q=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgsFANeIZVGtJXHB/2dsb2JhbABQDoJ4NsErgQ8WdIIfAQEBAwEBAQE3NAsFBwQCAQgRBAEBCxQJBycLFAkIAgQBDQUIiAYGDL8VBI5lJgsHBoJaYQOTNZRZgkw/gig X-IronPort-AV: E=Sophos;i="4.87,447,1363132800"; d="scan'208";a="197226202" Received: from rcdn-core2-6.cisco.com ([173.37.113.193]) by rcdn-iport-3.cisco.com with ESMTP; 10 Apr 2013 15:48:23 +0000 Received: from xhc-aln-x03.cisco.com (xhc-aln-x03.cisco.com [173.36.12.77]) by rcdn-core2-6.cisco.com (8.14.5/8.14.5) with ESMTP id r3AFmNuo023483 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Wed, 10 Apr 2013 15:48:23 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.73]) by xhc-aln-x03.cisco.com ([173.36.12.77]) with mapi id 14.02.0318.004; Wed, 10 Apr 2013 10:48:23 -0500 From: "Pascal Thubert (pthubert)" To: "Bless, Roland (TM)" , Xavier Vilajosana Thread-Topic: [6tsch] summary NSIS Thread-Index: AQHONf44hJFhuBfLCU2WZgwPq9dBG5jPmJiw Date: Wed, 10 Apr 2013 15:48:23 +0000 Deferred-Delivery: Wed, 10 Apr 2013 15:47:00 +0000 Message-ID: References: <5162F87A.4060502@eecs.berkeley.edu> <516581EF.7060106@kit.edu> In-Reply-To: <516581EF.7060106@kit.edu> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.61.162.24] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "6tsch@ietf.org" <6tsch@ietf.org> Subject: Re: [6tsch] summary NSIS X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Apr 2013 15:48:29 -0000 Hello Roland: Thanks a bunch for this. Please note that the first comment we got when we introduced NSIS in the di= scussion is that it is a rather large piece of code to be included in memor= y and CPU constrained devices. Would you have any comment on that ? Pascal -----Original Message----- From: 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] On Behalf Of B= less, Roland (TM) Sent: mercredi 10 avril 2013 17:15 To: Xavier Vilajosana Cc: 6tsch@ietf.org Subject: Re: [6tsch] summary NSIS Hi, On 08.04.2013 19:03, Xavier Vilajosana wrote: > Note that maybe it is not possible to use NSIS for PCE centralized=20 > scheduling but as said we are exploring some alternatives. Please note that it is possible to use NSIS also for path-decoupled signali= ng, e.g., if you have a PCE signaling to some device. > GIST also provides peer discovery mechanism in case no routing state =20 > is known in the network. As we assume RPL we don't consider the use =20 > of QUERY messages from GIST to discover neighbor peers. However, QUERY=20 > messages can also be used to discover if a certain QoS is supported by=20 > other neighbors (i.e exploring for resources). IMHO this is not fully correct or confuses different aspects: "in case no routing state is known in the network" is only correct if you a= re referring to GIST's signaling routing state. In that case the first mess= age is a (GIST) QUERY message that is usually sent towards the data flow's = destination and intercepted by the next relevant GIST peer that wants to pr= ocess the signaling message. If the latter is willing to establish a signaling session it continues a th= ree-way handshake. So this probing QUERY is a means to find/discover the next signaling peer a= long a (given) network route. I don't know RPL very well, but you cannot omit the GIST QUERY message, jus= t because you assume RPL for route establishment. Sending the QUERY will simply follow a route that is established by RPL. The other type of mentioned QUERY message is at QoS NSLP layer (no to be co= nfused with the GIST/NTLP layer) and it is optional, whereas the GIST QUERY= message is always required for establishing the NTLP/GIST signaling sessio= n. > Note that the baseline message routing functionality in GIST is that=20 > signaling messages follow a route defined by an existing flow in the=20 > network (i.e RPL), visiting a subset of the nodes through which it=20 > passes. This is the appropriate behavior for application scenarios=20 > where the purpose of the signaling is to manipulate resources for that=20 > flow as is our case. To be more precise: GIST finds/discovers all relevant nodes along a flow's = data path in order to allocate/manipulate resources for that data flow. How= ever, path-coupled signaling is only one possible (signaling) message routing method. As I said, it's possible to implement o= thers (we implemented a so called explicit signaling target MRM). We also a= dded multicast support to GIST and QoS NSLP. > With that in mind, I will welcome any idea or suggestion on whether it=20 > is possible or not to extend QSPEC messages [RFC5975] so a PCE=20 > oriented message can be transported using the NSIS QoS specification. It should be no problem to define additional QoS parameters within the QSPE= C template if needed (cf. sec 4.4 of RFC5975). It is also easy to add additional QoS NSLP objects if the QSPEC template is= n't a good match...,e.g., we augmented a QoS NSLP message with addressing i= nformation in order to set up virtual links. Regards, Roland _______________________________________________ 6tsch mailing list 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch From roland.bless@kit.edu Wed Apr 10 13:15:42 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EE91021F930C for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 13:15:41 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.249 X-Spam-Level: X-Spam-Status: No, score=-6.249 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HELO_EQ_DE=0.35, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FXmjhZC6j54k for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 13:15:41 -0700 (PDT) Received: from iramx2.ira.uni-karlsruhe.de (iramx2.ira.uni-karlsruhe.de [141.3.10.81]) by ietfa.amsl.com (Postfix) with ESMTP id F19A621F92F2 for <6tsch@ietf.org>; Wed, 10 Apr 2013 13:15:39 -0700 (PDT) Received: from i72vorta.tm.uni-karlsruhe.de ([141.3.71.26] helo=vorta.tm.kit.edu) by iramx2.ira.uni-karlsruhe.de with esmtp port 25 id 1UQ1QW-0001Ag-01; Wed, 10 Apr 2013 22:15:34 +0200 Received: from [IPv6:::1] (localhost [127.0.0.1]) by vorta.tm.kit.edu (Postfix) with ESMTPS id A5A53A8083A; Wed, 10 Apr 2013 22:15:27 +0200 (CEST) Message-ID: <5165C85F.8050500@kit.edu> Date: Wed, 10 Apr 2013 22:15:27 +0200 From: Roland Bless Organization: Institute of Telematics, Karlsruhe Institute of Technology (KIT) User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.1) Gecko/20060111 Thunderbird/1.5 Mnenhy/0.7.3.0 MIME-Version: 1.0 To: "Pascal Thubert (pthubert)" References: <5162F87A.4060502@eecs.berkeley.edu> <516581EF.7060106@kit.edu> In-Reply-To: X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-ATIS-AV: Kaspersky (iramx2.ira.uni-karlsruhe.de) X-ATIS-AV: ClamAV (iramx2.ira.uni-karlsruhe.de) X-ATIS-Timestamp: iramx2.ira.uni-karlsruhe.de 1365624934.296960000 Cc: "6tsch@ietf.org" <6tsch@ietf.org>, Xavier Vilajosana Subject: Re: [6tsch] summary NSIS X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Apr 2013 20:15:42 -0000 Hi, On 10.04.2013 17:48, Pascal Thubert (pthubert) wrote: > Thanks a bunch for this. > > Please note that the first comment we got when we introduced NSIS in the discussion is that it is a rather large piece of code to be included in memory and CPU constrained devices. > Would you have any comment on that ? Sure, as an implementer we have some rough idea about the complexity. In our C++ Linux-based implementation (http://nsis-ka.org/) we have roughly 32,000 sloc for GIST and 18,000+4,000 sloc for QoS NSLP +QSPEC resulting in several MBytes of executable. So NSIS has maybe some functionality (e.g., mobility support) and extensibility that is not strictly required in your particular scenario. However, we never had a focus on a lightweight implementation rather than a nearly complete and easy to test prototype. Regards, Roland From robert.assimiti@nivis.com Wed Apr 10 14:26:21 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7371321F8F76 for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 14:26:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GCDSHA+DFROy for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 14:26:20 -0700 (PDT) Received: from relay-S04-HUB004.domainlocalhost.com (relay-s04-hub004.domainlocalhost.com [74.115.207.103]) by ietfa.amsl.com (Postfix) with ESMTP id 05DEF21F8F0E for <6tsch@ietf.org>; Wed, 10 Apr 2013 14:26:19 -0700 (PDT) Received: from S04-MBX01-08.s04.local ([169.254.8.246]) by S04-HUB004.s04.local ([10.30.12.50]) with mapi id 14.02.0318.004; Wed, 10 Apr 2013 17:26:16 -0400 From: Robert Assimiti To: "6tsch@ietf.org" <6tsch@ietf.org> Thread-Topic: IEEE considering proposed changes to 802.15.4e Thread-Index: Ac42Mgfg5CTdU0noT1aEo8l9T7iACQ== Date: Wed, 10 Apr 2013 21:26:15 +0000 Message-ID: <8CF9EAFF7636FC419FEE1042DC36C12FB89AB6@S04-MBX01-08.s04.local> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.30.12.148] Content-Type: multipart/alternative; boundary="_000_8CF9EAFF7636FC419FEE1042DC36C12FB89AB6S04MBX0108s04loca_" MIME-Version: 1.0 Subject: [6tsch] IEEE considering proposed changes to 802.15.4e X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Apr 2013 21:26:21 -0000 --_000_8CF9EAFF7636FC419FEE1042DC36C12FB89AB6S04MBX0108s04loca_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Just wanted to let everyone know that IEEE has received an ETSI request to = change various things in the IEEE 802.15.4e spec. These changes would most definitely render IEEE 802.15.4e not backward comp= atible. Please see the e-mail below. Robert Assimiti From: ***** IEEE stds-802-15 General List ***** [mailto:STDS-802-WPAN@ieee.= org] On Behalf Of Bob Heile Sent: Saturday, April 06, 2013 2:27 AM To: STDS-802-WPAN@LISTSERV.IEEE.ORG Subject: [802.15-GENERAL-LIST] Proposed Changes to 15.4e submitted by ETSI = TC ERM Dear 802.15 Participants and Interested Parties-- As a result of input received from ETSI TC ERM, the IEEE 802.15 Work Group = (WG) is in the process of considering a number of significant changes to IE= EE 802.15.4, Low-Rate Wireless Personal Area Networks (LR-WPANs). Since th= ese proposed changes impact backward compatibility for some uses of IEEE 80= 2.15.4e-2012, the Working Group is soliciting input from Standard Developme= nt Organizations (SDOs), Industry Associations, businesses, and individuals= that may have an interest in the outcome, before deciding on a course of a= ction. The proposed changes are summarized here: * Use a Frame Type ID value, as an extension, to indicate that the = following bits are new Frame types, * Restructure Information Element IDs to allow IDs to be assigned t= o external SDOs * Change the order of the Information Element Length and Type field= s. The latter two are the ones potentially affecting backward compatibility. F= urther information on this matter can be found in document 15-13-0220-02-00= 00. (https://mentor.ieee.org/802.15 /dcn/13/15-13-0220-02-0000-802-15-wg-request-for-participation.docx) Anybody who believes they would be impacted, either because these changes w= ere implemented or not implemented, is invited to register, attend, and pre= sent their opinion for discussion and debate at the May IEEE 802.15 Meeting= . Alternatively, if attendance and direct participation is not possible, c= ommenters are invited to submit a document, declaring their stance and how = the changes, either implemented or not, impact their use of IEEE 802.15.4. = These should be sent to Bob Heile, Chair 802.15 and/or Pat Kinney, Vice Cha= ir 802.15 (bheile@ieee.org, pat.kinney@ieee.org) The IEEE 802.15 Working Group's next meeting will be May 12-17, 2013 at the= Hilton Waikoloa Village, Big Island, HI, USA. More information on this me= eting can be found at http://grouper.ieee.org/groups/802/15/pub/Meeting_Pla= n.html). Bob Heile, Ph.D Chairman Emeritus & Chief Technologist, ZigBee Alliance Chair, IEEE 802.15 Working Group on Wireless Personal Area Networks Co-Chair IEEE P2030 Task Force 3 on Smartgrid Communications 11 Robert Toner Blvd Suite 5-301 North Attleboro, MA 02763 USA Mobile: +1-781-929-4832 email: bheile@ieee.org --_000_8CF9EAFF7636FC419FEE1042DC36C12FB89AB6S04MBX0108s04loca_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Just wanted to let everyone know that IEEE has recei= ved an ETSI request to change various things in the IEEE 802.15.4e spec.

 

These changes would most definitely render IEEE 802.= 15.4e not backward compatible.

 

Please see the e-mail below.

 

Robert Assimiti

 <= /p>

 

From: ***** IE= EE stds-802-15 General List ***** [mailto:STDS-802-WPAN@ieee.org] On Behalf Of Bob Heile
Sent: Saturday, April 06, 2013 2:27 AM
To: STDS-802-WPAN= @LISTSERV.IEEE.ORG
Subject: [802.15-GENERAL-LIST] Proposed Changes to 15.4e submitted b= y ETSI TC ERM

 

Dear 802.15 Participa= nts and Interested Parties--

As a result of input received from ETSI TC ERM, the IEEE 802.15 Work Group = (WG) is in the process of considering a number of significant changes to IE= EE 802.15.4, Low-Rate Wireless Personal Area Networks (LR-WPANs).  Sin= ce these proposed changes impact backward compatibility for some uses of IEEE 802.15.4e-2012, the Working Group is s= oliciting input from Standard Development Organizations (SDOs), Industry As= sociations, businesses, and individuals that may have an interest in the ou= tcome, before deciding on a course of action.

The proposed changes are summarized here:
·         Use a Frame Type I= D value, as an extension, to indicate that the following bits are new Frame= types,
·         Restructure Inform= ation Element IDs to allow IDs to be assigned to external SDOs
·         Change the order o= f the Information Element Length and Type fields.

The latter two are the ones potentially affecting backward compatibility. F= urther information on this matter can be found in document 15-13-0220-02-0000. (http= s://mentor.ieee.org/802.15
/dcn/13/15-13-0220-02-0000-802-15-wg-request-for-participation.docx)
Anybody who believes they would be impacted, either because these changes w= ere implemented or not implemented, is invited to register, attend, and pre= sent their opinion for discussion and debate at the May IEEE 802.15 Meeting= .  Alternatively, if attendance and direct participation is not possible, commenters are invited to submit= a document, declaring their stance and how the changes, either implemented= or not, impact their use of IEEE 802.15.4. These should be sent to Bob Hei= le, Chair 802.15 and/or Pat Kinney, Vice Chair 802.15 (bheile@ieee.org,= pat.kinney@ieee.org)

The IEEE 802.15 Working Group's next meeting will be May 12-17, 2013 at the= Hilton Waikoloa Village, Big Island, HI, USA.  More information on th= is meeting can be found at ht= tp://grouper.ieee.org/groups/802/15/pub/Meeting_Plan.html).


Bob Heile, Ph.D
Chairman Emeritus & Chief Technologist, ZigBee Alliance
Chair, IEEE 802.15 Working Group on Wireless Personal Area Networks
Co-Chair IEEE P2030 Task Force 3 on Smartgrid Communications
11 Robert Toner Blvd
Suite 5-301
North Attleboro, MA  02763   USA
Mobile: +1-781-929-4832
email:   bheile@ieee.org

 

--_000_8CF9EAFF7636FC419FEE1042DC36C12FB89AB6S04MBX0108s04loca_-- From twatteyne@gmail.com Wed Apr 10 23:43:57 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A2BC621F8E72 for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 23:43:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.976 X-Spam-Level: X-Spam-Status: No, score=-2.976 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YhaqsKrsywam for <6tsch@ietfa.amsl.com>; Wed, 10 Apr 2013 23:43:56 -0700 (PDT) Received: from mail-pa0-f47.google.com (mail-pa0-f47.google.com [209.85.220.47]) by ietfa.amsl.com (Postfix) with ESMTP id 4F3FB21F8E6A for <6tsch@ietf.org>; Wed, 10 Apr 2013 23:43:56 -0700 (PDT) Received: by mail-pa0-f47.google.com with SMTP id bj3so742291pad.34 for <6tsch@ietf.org>; Wed, 10 Apr 2013 23:43:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:from:date:x-google-sender-auth :message-id:subject:to:cc:content-type; bh=dG+o6uj4F/tzJYHkKQ+m1TNNiq2iKesEoqLXC1ON/c0=; b=emm/x6Pa5u+1sVnihjnJqbz694shJML2nR6B85fGXqZY622NLZbB3hkZWKdSwdQ1O2 YSeagXgWFywL+bTx8m3C560qp8OahZySlDOocUTuZ2qPxLmi33CX+BevOMFROcPxt1YX 4gBfXEHsKALUNqswmDQB/DErfUafrSHJro/4RIqCeROw0M8YJ+7fEXEG5AemdwQvs4lI s8wu1976llR5AjJ8v9nyyuy+Wu+sNtO3QagZN+j3HeIae0wrJkeJp/Oa9+Sc191wuyEo q+AAMdEsbjmnjsIk2OUUxRIGjLcGp5cR9oG+VsNxhNq3oSZJdfB1moa4JsFg0oDZeH1O Okkw== X-Received: by 10.68.209.193 with SMTP id mo1mr6840626pbc.191.1365662636104; Wed, 10 Apr 2013 23:43:56 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.182.166 with HTTP; Wed, 10 Apr 2013 23:43:34 -0700 (PDT) From: Thomas Watteyne Date: Wed, 10 Apr 2013 23:43:34 -0700 X-Google-Sender-Auth: H841YTS5J0dj4H9k4mgpi_3U2wQ Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7b15a1e54ee16804da101cb9 Cc: Damon Rand , Pieter De Mil Subject: [6tsch] Wireshark dissectors for IEEE802.15.4e TSCH? X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Apr 2013 06:43:57 -0000 --047d7b15a1e54ee16804da101cb9 Content-Type: text/plain; charset=ISO-8859-1 All, Within this group, we have several implementations ongoing/running of IEEE802.15.4e, and we will hopefully soon start talking about interop. To simplify testing and development, it would be fantastic to be able to analyze packets in Wireshark. Wireshark's ZEP dissector [1] allows one to very easily inject packet from a USB connected mote. ZEP indicates the frequency the packet was received on, so one can imagine having 16 different USB boards, each sniffing a different frequencies. We could have those boards actually synchronize to the network, and report the ASN the packet was received on in the timestamp field of the ZEP header. This would allow us to reconstruct the exact data exchange, also in time. Finally, using a tun interface can be an alternative to ZEP, also in Windows [2]. The last piece missing then is a IEEE802.15.4e TSCH dissector. I am not aware of any in Wireshark, but we might have just the right Wireshark dissector-guru in this group. Any volunteers for writing such a dissector? Thomas [1] http://wiki.wireshark.org/IEEE_802.15.4 [2] https://openwsn.atlassian.net/wiki/pages/viewpage.action?pageId=5373971 --047d7b15a1e54ee16804da101cb9 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
All,

Within this group, we have several= implementations ongoing/running of IEEE802.15.4e, and we will hopefully so= on start talking about interop. To simplify testing and development, it wou= ld be fantastic to be able to analyze packets in Wireshark.

Wireshark's ZEP dissector [1] allows one to very ea= sily inject packet from a USB connected mote. ZEP indicates the frequency t= he packet was received on, so one can imagine having 16 different USB board= s, each sniffing a different frequencies. We could have those boards actual= ly synchronize to the network, and report the ASN the packet was received o= n in the timestamp field of the ZEP header. This would allow us to reconstr= uct the exact data exchange, also in time. Finally, using a tun interface c= an be an alternative to ZEP, also in Windows [2].

The last piece missing then is a IEEE802.15.4e TSCH dis= sector. I am not aware of any in Wireshark, but we might have just the righ= t Wireshark dissector-guru in this group. Any volunteers for writing such a= dissector?

Thomas

--047d7b15a1e54ee16804da101cb9-- From pthubert@cisco.com Thu Apr 11 10:04:29 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 88C6721F8F75 for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 10:04:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.598 X-Spam-Level: X-Spam-Status: No, score=-10.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CKz2cbkWHXn5 for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 10:04:27 -0700 (PDT) Received: from rcdn-iport-9.cisco.com (rcdn-iport-9.cisco.com [173.37.86.80]) by ietfa.amsl.com (Postfix) with ESMTP id C9C9621F8F69 for <6tsch@ietf.org>; Thu, 11 Apr 2013 10:04:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=32001; q=dns/txt; s=iport; t=1365699866; x=1366909466; h=from:to:subject:date:message-id:mime-version; bh=OY2a+nlQEtQD9v70SMbppskuz9F/nuc0TMx03dgXN7Y=; b=K5Ml3iO+LQtg+pXdTwl78pKSa3F9mcutCNIuXLdxwlajl6J+dAQ+Q6gQ iIyfbYmzcAfTwZ1Tlt7/6uKKHGZyxwHHl+uM/ZZK3G2QJ+lkKL7GdxvZ1 hqYJkkL/yIiCcL+yE20KFeebk8Jvum2KQOjApqWEi9JUjF8lgiOdSQPcc Y=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgMFALXsZlGtJV2Z/2dsb2JhbAA2FwMOgjRENsFIgQUWdIIhAQQtGx4lARwOCgEDCAEDPCQCAQEDARqIDAwvrkcRjmGNb3YtFQcHgkhhA5gjj26COhI/gXM1fw X-IronPort-AV: E=Sophos;i="4.87,456,1363132800"; d="scan'208,217";a="194730057" Received: from rcdn-core-2.cisco.com ([173.37.93.153]) by rcdn-iport-9.cisco.com with ESMTP; 11 Apr 2013 17:04:26 +0000 Received: from xhc-rcd-x12.cisco.com (xhc-rcd-x12.cisco.com [173.37.183.86]) by rcdn-core-2.cisco.com (8.14.5/8.14.5) with ESMTP id r3BH4PUS005373 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 11 Apr 2013 17:04:25 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.162]) by xhc-rcd-x12.cisco.com ([173.37.183.86]) with mapi id 14.02.0318.004; Thu, 11 Apr 2013 12:04:25 -0500 From: "Pascal Thubert (pthubert)" To: "6tsch@ietf.org" <6tsch@ietf.org>, Thomas Watteyne , "Adrian Farrel (adrian@olddog.co.uk)" , "Ted Lemon (ted.lemon@nominum.com)" , "Ralph Droms (rdroms)" , "Marc Blanchet" Thread-Topic: draft agenda for call on April 12 Thread-Index: Ac421jmbegJZJSVGQuqOrLOINr2i8Q== Date: Thu, 11 Apr 2013 17:04:24 +0000 Deferred-Delivery: Thu, 11 Apr 2013 17:02:00 +0000 Message-ID: Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.49.80.24] Content-Type: multipart/alternative; boundary="_000_E045AECD98228444A58C61C200AE1BD835D34A06xmbrcdx01ciscoc_" MIME-Version: 1.0 Subject: [6tsch] draft agenda for call on April 12 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Apr 2013 17:04:29 -0000 --_000_E045AECD98228444A58C61C200AE1BD835D34A06xmbrcdx01ciscoc_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Dear all: Please find a draft agenda for the 6TSCH call Friday. The focus will be on the preparation of a charter, with a discussion on the= current draft: * update work on PANA [Yoshi] 5mn * Conclude work on NSIS [Xavi, John] 5mn * Review / finalize archi 01 [Pascal] 5mn * discuss charter: 45mn Note: the charter WIP came be found here: https://bitbucket.org/6tsch/chart= er-ietf-6tsch/src Please let us know if you wish to add / change stuff in this list, ... and remember that the call will be recorded ... Cheers; Thomas and Pascal Call info : Topic: 6TSCH Weekly Date: Every Friday, from Friday, April 5, 2013 to Friday, March 7, 2014 Time: 8:00 am, Pacific Daylight Time (San Francisco, GMT-07:00) Meeting Number: 206 802 913 Meeting Password: sixtus ------------------------------------------------------- To start the online meeting ------------------------------------------------------- 1. Go to https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D4819052= 42&PW=3DNZTRkNDAwOTE1&RT=3DMiM0 2. Log in to your account. 3. Click "Start Now". 4. Follow the instructions that appear on your screen. ---------------------------------------------------------------- ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes ---------------------------------------------------------------- The affected toll free numbers are: (866) 432-9903 for the San Jose/Milpita= s area and (866) 349-3520 for the RTP area. Please dial the local access number for your area from the list below: * San Jose/Milpitas (408) area: 525-6800 * RTP (919) area: 392-3330 ------------------------------------------------------- To join the teleconference only ------------------------------------------------------- 1. Dial into Cisco WebEx (view all Global Access Numbers at http://cisco.com/en/US/about/doing_business/conferencing/index.html 2. Follow the prompts to enter the Meeting Number (listed above) o= r Access Code followed by the # sign. San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330 US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117 India: +91.80.4350.1111 Germany: +49.619.6773.9002 Japan: +81.3.5763.9394 China: +86.10.8515.5666 To check whether you have the appropriate players installed for UCF (Univer= sal Communications Format) rich media files, go to https://cisco.webex.com/= cisco/systemdiagnosis.php. CCM:+14085256800x206802913# --_000_E045AECD98228444A58C61C200AE1BD835D34A06xmbrcdx01ciscoc_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dear all:

 

Please find a draft agenda for the 6TSC= H call Friday.

 <= /p>

The focus will be on the preparation of= a charter, with a discussion on the current draft:

  • update work on PANA [Yoshi]   &nbs= p;              &n= bsp;       5mn
  • Conc= lude work on NSIS [Xavi, John]             &n= bsp;   5mn 
  • Revi= ew / finalize archi 01 [Pascal]                  5= mn 
  • disc= uss charter:     &nb= sp;                =             &= nbsp;           45mn = ;

Note: the charter WIP came be found here: https://bitb= ucket.org/6tsch/charter-ietf-6tsch/src

Please let us know if you wish to add / change stuff = in this list,

… and remember that the call will be recorded …

Cheers;

Thomas and Pascal

 

Call info :

Topic:    6TSCH Weekly

Date:     Every Fri= day, from Friday, April 5, 2013 to Friday, March 7, 2014

Time:     8:00 am, = Pacific Daylight Time (San Francisco, GMT-07:00)

Meeting Number:    =        206 802 913

Meeting Password:   &nbs= p;     sixtus

 =

-----------= --------------------------------------------

To start the online meeting

-----------= --------------------------------------------

1.   Go to https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D481= 905242&PW=3DNZTRkNDAwOTE1&RT=3DMiM0

2.   Log in to your account.

3.   Click “Start Now”.

4.   Follow the instructions that appear on = your screen.

 =

-----------= -----------------------------------------------------

ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes

-----------= -----------------------------------------------------

 =

The affected toll free numbers are: (866) 432-9903= for the San Jose/Milpitas area and (866) 349-3520 for the RTP area.

Please dial the local access number for your area = from the list below:

&= middot;  &= nbsp;      San Jose/Milpitas (408) area:  525-6800=

&= middot;  &= nbsp;      RTP (919) area:  392-3330

 =

-----------= --------------------------------------------

To join the teleconference only

-----------= --------------------------------------------

1.         Dial into Cisco WebE= x (view all Global Access Numbers at

http://cisco.com/en/US/about/doing_business/conferencing/in= dex.html

2= .         Follow the prompts to enter the Meeting Number (listed above) or Access Co= de followed by the # sign.

 =

San Jose, CA: +1.408.525.6800  RTP: += 1.919.392.3330

US/Canada: +1.866.432.9903  United Kingdo= m: +44.20.8824.0117

India: +91.80.4350.1111  Germany: +49= .619.6773.9002

Japan: +81.3.5763.9394  China: +86.10= .8515.5666

To check whether you have the appropriate players = installed for UCF (Universal Communications Format) rich media files, go to = https://cisco.webex.com/cisco/systemdiagnosis.php.

CCM:+14085256800x206802913#

 

--_000_E045AECD98228444A58C61C200AE1BD835D34A06xmbrcdx01ciscoc_-- From therbst@silverspringnet.com Thu Apr 11 16:06:08 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3AF7621F87C3 for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 16:06:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id j35pdvkdhwpa for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 16:06:04 -0700 (PDT) Received: from it-ipcorp-02.silverspringnet.com (it-ipcorp-02.silverspringnet.com [74.121.22.26]) by ietfa.amsl.com (Postfix) with ESMTP id 5D00C21F8721 for <6tsch@ietf.org>; Thu, 11 Apr 2013 16:06:04 -0700 (PDT) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvYEAEhBZ1EKOQxm/2dsb2JhbABNA4JCerkiAYgxgR10gh8BAQECAi1MEgEIEQMBAQELHTkUCQgBAQQBDQUIiBi9K41JCxCBASABBQcEBgERgk9hA5M2hG2SeYFzNQ X-IronPort-AV: E=Sophos;i="4.87,458,1363158000"; d="scan'208,217";a="458320" Received: from sfo-exca-03.silverspringnet.com ([10.57.12.102]) by it-ipcorp-02.silverspringnet.com with ESMTP/TLS/AES128-SHA; 11 Apr 2013 16:06:03 -0700 Received: from SFO-EXMB-03.silverspringnet.com ([fe80::e877:a0b0:2e8d:1b57]) by SFO-EXCA-03.silverspringnet.com ([::1]) with mapi id 14.02.0318.004; Thu, 11 Apr 2013 16:06:03 -0700 From: Thomas Herbst To: Robert Assimiti , "6tsch@ietf.org" <6tsch@ietf.org> Thread-Topic: [6tsch] IEEE considering proposed changes to 802.15.4e Thread-Index: Ac42Mgfg5CTdU0noT1aEo8l9T7iACQA1xnQA Date: Thu, 11 Apr 2013 23:06:02 +0000 Message-ID: <7FCB0B3CF842034294E7FDBD59418BD265F06D13@SFO-EXMB-03.silverspringnet.com> In-Reply-To: <8CF9EAFF7636FC419FEE1042DC36C12FB89AB6@S04-MBX01-08.s04.local> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.5.121010 x-originating-ip: [10.57.12.115] Content-Type: multipart/alternative; boundary="_000_7FCB0B3CF842034294E7FDBD59418BD265F06D13SFOEXMB03silver_" MIME-Version: 1.0 Cc: Thomas Herbst Subject: Re: [6tsch] IEEE considering proposed changes to 802.15.4e X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Apr 2013 23:06:08 -0000 --_000_7FCB0B3CF842034294E7FDBD59418BD265F06D13SFOEXMB03silver_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable People should review and comment to IEEE. The frame id changes would be backward compatible =97 this work should have= been done some time ago (IMHO). Identifying the IE's can be done in a backwards compatible manner, though p= eople may have used unregistered or managed IE's that could be impacted. The third issue may be larger for existing implementations that use e4 ie's= =96 there is disagreement as the appropriate ordering of the parameters. Larry Taylor's presentation is at - https://mentor.ieee.org/802.15/dcn/13/15-13-0194-01-0mag-802-15-4-use-by-ex= ternal-sdos.pdf Now resuming your regular IETF content - tom From: Robert Assimiti > Date: Wednesday, April 10, 2013 2:26 PM To: "6tsch@ietf.org" <6tsch@ietf.org> Subject: [6tsch] IEEE considering proposed changes to 802.15.4e Just wanted to let everyone know that IEEE has received an ETSI request to = change various things in the IEEE 802.15.4e spec. These changes would most definitely render IEEE 802.15.4e not backward comp= atible. Please see the e-mail below. Robert Assimiti From: ***** IEEE stds-802-15 General List ***** [mailto:STDS-802-WPAN@ieee.= org] On Behalf Of Bob Heile Sent: Saturday, April 06, 2013 2:27 AM To: STDS-802-WPAN@LISTSERV.IEEE.ORG Subject: [802.15-GENERAL-LIST] Proposed Changes to 15.4e submitted by ETSI = TC ERM Dear 802.15 Participants and Interested Parties-- As a result of input received from ETSI TC ERM, the IEEE 802.15 Work Group = (WG) is in the process of considering a number of significant changes to IE= EE 802.15.4, Low-Rate Wireless Personal Area Networks (LR-WPANs). Since th= ese proposed changes impact backward compatibility for some uses of IEEE 80= 2.15.4e-2012, the Working Group is soliciting input from Standard Developme= nt Organizations (SDOs), Industry Associations, businesses, and individuals= that may have an interest in the outcome, before deciding on a course of a= ction. The proposed changes are summarized here: =B7 Use a Frame Type ID value, as an extension, to indicate that th= e following bits are new Frame types, =B7 Restructure Information Element IDs to allow IDs to be assigned= to external SDOs =B7 Change the order of the Information Element Length and Type fie= lds. The latter two are the ones potentially affecting backward compatibility. F= urther information on this matter can be found in document 15-13-0220-02-00= 00. (https://mentor.ieee.org/802.15 /dcn/13/15-13-0220-02-0000-802-15-wg-request-for-participation.docx) Anybody who believes they would be impacted, either because these changes w= ere implemented or not implemented, is invited to register, attend, and pre= sent their opinion for discussion and debate at the May IEEE 802.15 Meeting= . Alternatively, if attendance and direct participation is not possible, c= ommenters are invited to submit a document, declaring their stance and how = the changes, either implemented or not, impact their use of IEEE 802.15.4. = These should be sent to Bob Heile, Chair 802.15 and/or Pat Kinney, Vice Cha= ir 802.15 (bheile@ieee.org, pat.kinney@ieee.org) The IEEE 802.15 Working Group's next meeting will be May 12-17, 2013 at the= Hilton Waikoloa Village, Big Island, HI, USA. More information on this me= eting can be found at http://grouper.ieee.org/groups/802/15/pub/Meeting_Pla= n.html). Bob Heile, Ph.D Chairman Emeritus & Chief Technologist, ZigBee Alliance Chair, IEEE 802.15 Working Group on Wireless Personal Area Networks Co-Chair IEEE P2030 Task Force 3 on Smartgrid Communications 11 Robert Toner Blvd Suite 5-301 North Attleboro, MA 02763 USA Mobile: +1-781-929-4832 email: bheile@ieee.org --_000_7FCB0B3CF842034294E7FDBD59418BD265F06D13SFOEXMB03silver_ Content-Type: text/html; charset="Windows-1252" Content-ID: Content-Transfer-Encoding: quoted-printable
People should review and comment to IEEE.  

The frame id changes would be backward compatible =97 this work should= have been done some time ago (IMHO).

Identifying the IE's can be done in a backwards compatible manner, tho= ugh people may have used unregistered or managed IE's that could be impacte= d. 

The third issue may be larger for existing implementations that use e4= ie's =96 there is disagreement as the appropriate ordering of the paramete= rs. 

Larry Taylor's presentation is at - 


Now resuming your regular IETF content -

tom


From: Robert Assimiti <robert.assimiti@nivis.com>
Date: Wednesday, April 10, 2013 2:2= 6 PM
To: "6tsch@ietf.org" <6ts= ch@ietf.org>
Subject: [6tsch] IEEE considering p= roposed changes to 802.15.4e

Just wanted to let everyone know that IEEE has recei= ved an ETSI request to change various things in the IEEE 802.15.4e spec.

 

These changes would most definitely render IEEE 802.= 15.4e not backward compatible.

 

Please see the e-mail below.

 

Robert Assimiti

 <= /p>

 

From: ***** IEEE stds-802-15 General List ***** [mailto:STDS-802-WPAN@ieee.org] On Behalf Of Bob Heile
Sent: Saturday, April 06, 2013 2:27 AM
To: STDS-802-WPAN= @LISTSERV.IEEE.ORG
Subject: [802.15-GENERAL-LIST] Proposed Changes to 15.4e submitted b= y ETSI TC ERM

 

Dear 802.15 Participa= nts and Interested Parties--

As a result of input received from ETSI TC ERM, the IEEE 802.15 Work Group = (WG) is in the process of considering a number of significant changes to IE= EE 802.15.4, Low-Rate Wireless Personal Area Networks (LR-WPANs).  Sin= ce these proposed changes impact backward compatibility for some uses of IEEE 802.15.4e-2012, the Working Group is s= oliciting input from Standard Development Organizations (SDOs), Industry As= sociations, businesses, and individuals that may have an interest in the ou= tcome, before deciding on a course of action.

The proposed changes are summarized here:
=B7         Use a Frame Type ID val= ue, as an extension, to indicate that the following bits are new Frame type= s,
=B7         Restructure Information= Element IDs to allow IDs to be assigned to external SDOs
=B7         Change the order of the= Information Element Length and Type fields.

The latter two are the ones potentially affecting backward compatibility. F= urther information on this matter can be found in document 15-13-0220-02-0000. (http= s://mentor.ieee.org/802.15
/dcn/13/15-13-0220-02-0000-802-15-wg-request-for-participation.docx)
Anybody who believes they would be impacted, either because these changes w= ere implemented or not implemented, is invited to register, attend, and pre= sent their opinion for discussion and debate at the May IEEE 802.15 Meeting= .  Alternatively, if attendance and direct participation is not possible, commenters are invited to submit= a document, declaring their stance and how the changes, either implemented= or not, impact their use of IEEE 802.15.4. These should be sent to Bob Hei= le, Chair 802.15 and/or Pat Kinney, Vice Chair 802.15 (bheile@ieee.org,= pat.kinney@ieee.org)

The IEEE 802.15 Working Group's next meeting will be May 12-17, 2013 at the= Hilton Waikoloa Village, Big Island, HI, USA.  More information on th= is meeting can be found at ht= tp://grouper.ieee.org/groups/802/15/pub/Meeting_Plan.html).


Bob Heile, Ph.D
Chairman Emeritus & Chief Technologist, ZigBee Alliance
Chair, IEEE 802.15 Working Group on Wireless Personal Area Networks
Co-Chair IEEE P2030 Task Force 3 on Smartgrid Communications
11 Robert Toner Blvd
Suite 5-301
North Attleboro, MA  02763   USA
Mobile: +1-781-929-4832
email:   bheile@ieee.org

 

 --_000_7FCB0B3CF842034294E7FDBD59418BD265F06D13SFOEXMB03silver_-- From pister@eecs.berkeley.edu Thu Apr 11 17:04:15 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6F42C21F8765 for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 17:04:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.598 X-Spam-Level: X-Spam-Status: No, score=-6.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FrAUdZ+t4pLa for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 17:04:12 -0700 (PDT) Received: from cm01fe.IST.Berkeley.EDU (cm01fe.IST.Berkeley.EDU [169.229.218.142]) by ietfa.amsl.com (Postfix) with ESMTP id 2BB2821F87C3 for <6tsch@ietf.org>; Thu, 11 Apr 2013 17:04:12 -0700 (PDT) Received: from dhcp-32-89.eecs.berkeley.edu ([128.32.32.89]) by cm01fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth plain:pister@eecs.berkeley.edu) (envelope-from ) id 1UQRTM-00060P-3G for 6tsch@ietf.org; Thu, 11 Apr 2013 17:04:11 -0700 Message-ID: <51674F7B.3010601@eecs.berkeley.edu> Date: Thu, 11 Apr 2013 17:04:11 -0700 From: Kris Pister User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130328 Thunderbird/17.0.5 MIME-Version: 1.0 To: 6tsch@ietf.org References: <7FCB0B3CF842034294E7FDBD59418BD265F06D13@SFO-EXMB-03.silverspringnet.com> In-Reply-To: <7FCB0B3CF842034294E7FDBD59418BD265F06D13@SFO-EXMB-03.silverspringnet.com> Content-Type: multipart/alternative; boundary="------------000209050909070001010905" Subject: Re: [6tsch] IEEE considering proposed changes to 802.15.4e X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Apr 2013 00:04:15 -0000 This is a multi-part message in MIME format. --------------000209050909070001010905 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Tom - I'm surprised the you seem to be in favor of this. I agree that there are some things in 4e that should have been done some time ago. But the fact is that they weren't. No standard is perfect. If these were really egregious errors they would have been fixed earlier. In fact, it's clear that none of these things *needs* to be changed. It's just a question of convenience - the convenience of another standards body that doesn't see things exactly the same way as the group that voted on 4e. Some of the suggested changes are just plain bad. They will re-open long arguments that don't need to be re-opened, and once again retard the ever-so-gentle swell of momentum that we seem to be experiencing. I am opposed to changing 4e in any way. It was the work of many people over five years, and it's done. It should stay done. ksjp On 4/11/2013 4:06 PM, Thomas Herbst wrote: > People should review and comment to IEEE. > > The frame id changes would be backward compatible --- this work should > have been done some time ago (IMHO). > > Identifying the IE's can be done in a backwards compatible manner, > though people may have used unregistered or managed IE's that could be > impacted. > > The third issue may be larger for existing implementations that use e4 > ie's -- there is disagreement as the appropriate ordering of the > parameters. > > Larry Taylor's presentation is at - > > https://mentor.ieee.org/802.15/dcn/13/15-13-0194-01-0mag-802-15-4-use-by-external-sdos.pdf > > Now resuming your regular IETF content - > > tom > > > From: Robert Assimiti > > Date: Wednesday, April 10, 2013 2:26 PM > To: "6tsch@ietf.org " <6tsch@ietf.org > > > Subject: [6tsch] IEEE considering proposed changes to 802.15.4e > > Just wanted to let everyone know that IEEE has received an ETSI > request to change various things in the IEEE 802.15.4e spec. > > These changes would most definitely render IEEE 802.15.4e not backward > compatible. > > Please see the e-mail below. > > *Robert Assimiti* > > *From:****** IEEE stds-802-15 General List ***** > [mailto:STDS-802-WPAN@ieee.org] *On Behalf Of *Bob Heile > *Sent:* Saturday, April 06, 2013 2:27 AM > *To:* STDS-802-WPAN@LISTSERV.IEEE.ORG > > *Subject:* [802.15-GENERAL-LIST] Proposed Changes to 15.4e submitted > by ETSI TC ERM > > Dear 802.15 Participants and Interested Parties-- > > As a result of input received from ETSI TC ERM, the IEEE 802.15 Work > Group (WG) is in the process of considering a number of significant > changes to IEEE 802.15.4, Low-Rate Wireless Personal Area Networks > (LR-WPANs). Since these proposed changes impact backward compatibility > for some uses of IEEE 802.15.4e-2012, the Working Group is soliciting > input from Standard Development Organizations (SDOs), Industry > Associations, businesses, and individuals that may have an interest in > the outcome, before deciding on a course of action. > > The proposed changes are summarized here: > · Use a Frame Type ID value, as an extension, to indicate that > the following bits are new Frame types, > · Restructure Information Element IDs to allow IDs to be > assigned to external SDOs > · Change the order of the Information Element /Length/ and > /Type/ fields. > > The latter two are the ones potentially affecting backward > compatibility. Further information on this matter can be found in > document 15-13-0220-02-0000 > . > (/https://mentor.ieee.org/802.15 > /dcn/13/15-13-0220-02-0000-802-15-wg-request-for-participation.docx/) > > Anybody who believes they would be impacted, either because these > changes were implemented or not implemented, is invited to register, > attend, and present their opinion for discussion and debate at the May > IEEE 802.15 Meeting. Alternatively, if attendance and direct > participation is not possible, commenters are invited to submit a > document, declaring their stance and how the changes, either > implemented or not, impact their use of IEEE 802.15.4. These should be > sent to Bob Heile, Chair 802.15 and/or Pat Kinney, Vice Chair 802.15 > (bheile@ieee.org , pat.kinney@ieee.org > ) > > The IEEE 802.15 Working Group's next meeting will be May 12-17, 2013 > at the Hilton Waikoloa Village, Big Island, HI, USA. More information > on this meeting can be found at > http://grouper.ieee.org/groups/802/15/pub/Meeting_Plan.html) > . > > > Bob Heile, Ph.D > Chairman Emeritus & Chief Technologist, ZigBee Alliance > Chair, IEEE 802.15 Working Group on Wireless Personal Area Networks > Co-Chair IEEE P2030 Task Force 3 on Smartgrid Communications > 11 Robert Toner Blvd > Suite 5-301 > North Attleboro, MA 02763 USA > Mobile: +1-781-929-4832 > email: bheile@ieee.org > > > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch --------------000209050909070001010905 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Tom - I'm surprised the you seem to be in favor of this.  I agree that there are some things in 4e that should have been done some time ago.  But the fact is that they weren't.  No standard is perfect.  If these were really egregious errors they would have been fixed earlier. 
In fact, it's clear that none of these things *needs* to be changed.  It's just a question of convenience - the convenience of another standards body that doesn't see things exactly the same way as the group that voted on 4e.  Some of the suggested changes are just plain bad.  They will re-open long arguments that don't need to be re-opened, and once again retard the ever-so-gentle swell of momentum that we seem to be experiencing.

I am opposed to changing 4e in any way.  It was the work of many people over five years, and it's done.  It should stay done.

ksjp

On 4/11/2013 4:06 PM, Thomas Herbst wrote:
People should review and comment to IEEE.  

The frame id changes would be backward compatible — this work should have been done some time ago (IMHO).

Identifying the IE's can be done in a backwards compatible manner, though people may have used unregistered or managed IE's that could be impacted. 

The third issue may be larger for existing implementations that use e4 ie's – there is disagreement as the appropriate ordering of the parameters. 

Larry Taylor's presentation is at - 


Now resuming your regular IETF content -

tom


From: Robert Assimiti <robert.assimiti@nivis.com>
Date: Wednesday, April 10, 2013 2:26 PM
To: "6tsch@ietf.org" <6tsch@ietf.org>
Subject: [6tsch] IEEE considering proposed changes to 802.15.4e

Just wanted to let everyone know that IEEE has received an ETSI request to change various things in the IEEE 802.15.4e spec.

 

These changes would most definitely render IEEE 802.15.4e not backward compatible.

 

Please see the e-mail below.

 

Robert Assimiti

 

 

From: ***** IEEE stds-802-15 General List ***** [mailto:STDS-802-WPAN@ieee.org] On Behalf Of Bob Heile
Sent: Saturday, April 06, 2013 2:27 AM
To: STDS-802-WPAN@LISTSERV.IEEE.ORG
Subject: [802.15-GENERAL-LIST] Proposed Changes to 15.4e submitted by ETSI TC ERM

 

Dear 802.15 Participants and Interested Parties--

As a result of input received from ETSI TC ERM, the IEEE 802.15 Work Group (WG) is in the process of considering a number of significant changes to IEEE 802.15.4, Low-Rate Wireless Personal Area Networks (LR-WPANs).  Since these proposed changes impact backward compatibility for some uses of IEEE 802.15.4e-2012, the Working Group is soliciting input from Standard Development Organizations (SDOs), Industry Associations, businesses, and individuals that may have an interest in the outcome, before deciding on a course of action.

The proposed changes are summarized here:
·         Use a Frame Type ID value, as an extension, to indicate that the following bits are new Frame types,
·         Restructure Information Element IDs to allow IDs to be assigned to external SDOs
·         Change the order of the Information Element Length and Type fields.

The latter two are the ones potentially affecting backward compatibility. Further information on this matter can be found in document 15-13-0220-02-0000. (https://mentor.ieee.org/802.15
/dcn/13/15-13-0220-02-0000-802-15-wg-request-for-participation.docx)

Anybody who believes they would be impacted, either because these changes were implemented or not implemented, is invited to register, attend, and present their opinion for discussion and debate at the May IEEE 802.15 Meeting.  Alternatively, if attendance and direct participation is not possible, commenters are invited to submit a document, declaring their stance and how the changes, either implemented or not, impact their use of IEEE 802.15.4. These should be sent to Bob Heile, Chair 802.15 and/or Pat Kinney, Vice Chair 802.15 (bheile@ieee.org, pat.kinney@ieee.org)

The IEEE 802.15 Working Group's next meeting will be May 12-17, 2013 at the Hilton Waikoloa Village, Big Island, HI, USA.  More information on this meeting can be found at http://grouper.ieee.org/groups/802/15/pub/Meeting_Plan.html).


Bob Heile, Ph.D
Chairman Emeritus & Chief Technologist, ZigBee Alliance
Chair, IEEE 802.15 Working Group on Wireless Personal Area Networks
Co-Chair IEEE P2030 Task Force 3 on Smartgrid Communications
11 Robert Toner Blvd
Suite 5-301
North Attleboro, MA  02763   USA
Mobile: +1-781-929-4832
email:   bheile@ieee.org

 

 

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https://www.ietf.org/mailman/listinfo/6tsch

--------------000209050909070001010905-- From therbst@silverspringnet.com Thu Apr 11 19:10:41 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 72B1121F86F5 for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 19:10:41 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WsTizLooriuh for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 19:10:40 -0700 (PDT) Received: from it-ipcorp-02.silverspringnet.com (it-ipcorp-02.silverspringnet.com [74.121.22.26]) by ietfa.amsl.com (Postfix) with ESMTP id 2535921F86EA for <6tsch@ietf.org>; Thu, 11 Apr 2013 19:10:39 -0700 (PDT) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtYEAKJsZ1EKOQxm/2dsb2JhbABNAw6CNHq5KAGIMYEedIIfAQEBAgIBAQFrCxACAQgRAwEBAQsdBycLFAkIAQEEAQ0FCIgYvTKNSQsQgQEgAQUHBAYBEYJPYQOTNoRtkjo/gXM1 X-IronPort-AV: E=Sophos;i="4.87,460,1363158000"; d="scan'208,217";a="459173" Received: from sfo-exca-03.silverspringnet.com ([10.57.12.102]) by it-ipcorp-02.silverspringnet.com with ESMTP/TLS/AES128-SHA; 11 Apr 2013 19:10:39 -0700 Received: from SFO-EXMB-03.silverspringnet.com ([fe80::e877:a0b0:2e8d:1b57]) by SFO-EXCA-03.silverspringnet.com ([::1]) with mapi id 14.02.0318.004; Thu, 11 Apr 2013 19:10:38 -0700 From: Thomas Herbst To: Kris Pister , "6tsch@ietf.org" <6tsch@ietf.org> Thread-Topic: [6tsch] IEEE considering proposed changes to 802.15.4e Thread-Index: Ac42Mgfg5CTdU0noT1aEo8l9T7iACQA1xnQAABCzS4D//6z7NA== Date: Fri, 12 Apr 2013 02:10:38 +0000 Message-ID: <7FCB0B3CF842034294E7FDBD59418BD265F070F2@SFO-EXMB-03.silverspringnet.com> References: <7FCB0B3CF842034294E7FDBD59418BD265F06D13@SFO-EXMB-03.silverspringnet.com>, <51674F7B.3010601@eecs.berkeley.edu> In-Reply-To: <51674F7B.3010601@eecs.berkeley.edu> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.57.12.115] Content-Type: multipart/alternative; boundary="_000_7FCB0B3CF842034294E7FDBD59418BD265F070F2SFOEXMB03silver_" MIME-Version: 1.0 Cc: Thomas Herbst Subject: Re: [6tsch] IEEE considering proposed changes to 802.15.4e X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Apr 2013 02:10:41 -0000 --_000_7FCB0B3CF842034294E7FDBD59418BD265F070F2SFOEXMB03silver_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Again, I think this is and IEEE discussion, not an IETF discussion, but I'l= l bite. I would encourage you (and others) to submit those opinions for the May 802= meeting. The frame type change is needed just for IEEE work - the last free bit was = just allocated. Doing nothing is not really an option here and (imho) this should have been= done long ago. Managing the IE's in a way that others could get allocation is minor. We could live with the TLV that are LTV's, but would like the issue decided= one way or another as quickly as possible. tom ________________________________ From: 6tsch-bounces@ietf.org [6tsch-bounces@ietf.org] on behalf of Kris Pis= ter [pister@eecs.berkeley.edu] Sent: Thursday, April 11, 2013 5:04 PM To: 6tsch@ietf.org Subject: Re: [6tsch] IEEE considering proposed changes to 802.15.4e Tom - I'm surprised the you seem to be in favor of this. I agree that ther= e are some things in 4e that should have been done some time ago. But the = fact is that they weren't. No standard is perfect. If these were really e= gregious errors they would have been fixed earlier. In fact, it's clear that none of these things *needs* to be changed. It's = just a question of convenience - the convenience of another standards body = that doesn't see things exactly the same way as the group that voted on 4e.= Some of the suggested changes are just plain bad. They will re-open long= arguments that don't need to be re-opened, and once again retard the ever-= so-gentle swell of momentum that we seem to be experiencing. I am opposed to changing 4e in any way. It was the work of many people ove= r five years, and it's done. It should stay done. ksjp On 4/11/2013 4:06 PM, Thomas Herbst wrote: People should review and comment to IEEE. The frame id changes would be backward compatible =97 this work should have= been done some time ago (IMHO). Identifying the IE's can be done in a backwards compatible manner, though p= eople may have used unregistered or managed IE's that could be impacted. The third issue may be larger for existing implementations that use e4 ie's= =96 there is disagreement as the appropriate ordering of the parameters. Larry Taylor's presentation is at - https://mentor.ieee.org/802.15/dcn/13/15-13-0194-01-0mag-802-15-4-use-by-ex= ternal-sdos.pdf Now resuming your regular IETF content - tom From: Robert Assimiti > Date: Wednesday, April 10, 2013 2:26 PM To: "6tsch@ietf.org" <6tsch@ietf.org> Subject: [6tsch] IEEE considering proposed changes to 802.15.4e Just wanted to let everyone know that IEEE has received an ETSI request to = change various things in the IEEE 802.15.4e spec. These changes would most definitely render IEEE 802.15.4e not backward comp= atible. Please see the e-mail below. Robert Assimiti From: ***** IEEE stds-802-15 General List ***** [mailto:STDS-802-WPAN@ieee.= org] On Behalf Of Bob Heile Sent: Saturday, April 06, 2013 2:27 AM To: STDS-802-WPAN@LISTSERV.IEEE.ORG Subject: [802.15-GENERAL-LIST] Proposed Changes to 15.4e submitted by ETSI = TC ERM Dear 802.15 Participants and Interested Parties-- As a result of input received from ETSI TC ERM, the IEEE 802.15 Work Group = (WG) is in the process of considering a number of significant changes to IE= EE 802.15.4, Low-Rate Wireless Personal Area Networks (LR-WPANs). Since th= ese proposed changes impact backward compatibility for some uses of IEEE 80= 2.15.4e-2012, the Working Group is soliciting input from Standard Developme= nt Organizations (SDOs), Industry Associations, businesses, and individuals= that may have an interest in the outcome, before deciding on a course of a= ction. The proposed changes are summarized here: =B7 Use a Frame Type ID value, as an extension, to indicate that th= e following bits are new Frame types, =B7 Restructure Information Element IDs to allow IDs to be assigned= to external SDOs =B7 Change the order of the Information Element Length and Type fie= lds. The latter two are the ones potentially affecting backward compatibility. F= urther information on this matter can be found in document 15-13-0220-02-00= 00. (https://mentor.ieee.org/802.15 /dcn/13/15-13-0220-02-0000-802-15-wg-request-for-participation.docx) Anybody who believes they would be impacted, either because these changes w= ere implemented or not implemented, is invited to register, attend, and pre= sent their opinion for discussion and debate at the May IEEE 802.15 Meeting= . Alternatively, if attendance and direct participation is not possible, c= ommenters are invited to submit a document, declaring their stance and how = the changes, either implemented or not, impact their use of IEEE 802.15.4. = These should be sent to Bob Heile, Chair 802.15 and/or Pat Kinney, Vice Cha= ir 802.15 (bheile@ieee.org, pat.kinney@ieee.org) The IEEE 802.15 Working Group's next meeting will be May 12-17, 2013 at the= Hilton Waikoloa Village, Big Island, HI, USA. More information on this me= eting can be found at http://grouper.ieee.org/groups/802/15/pub/Meeting_Pla= n.html). Bob Heile, Ph.D Chairman Emeritus & Chief Technologist, ZigBee Alliance Chair, IEEE 802.15 Working Group on Wireless Personal Area Networks Co-Chair IEEE P2030 Task Force 3 on Smartgrid Communications 11 Robert Toner Blvd Suite 5-301 North Attleboro, MA 02763 USA Mobile: +1-781-929-4832 email: bheile@ieee.org _______________________________________________ 6tsch mailing list 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch --_000_7FCB0B3CF842034294E7FDBD59418BD265F070F2SFOEXMB03silver_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Again, I think this is and IEEE discussion, not an IETF discussion, = but I'll bite.
I would encourage you (and others) to submit those opinions for the Ma= y 802 meeting.  

The frame type change is needed just for IEEE work - the last free bit= was just allocated.
Doing nothing is not really an option here and (imho) this should have= been done long ago.

Managing the IE's in a way that others could get allocation is minor.<= /div>

We could live with the TLV that are LTV's, but would like the issue de= cided one way or another as quickly as possible.  


tom
From: 6tsch-bounces@ietf.org [6tsch-boun= ces@ietf.org] on behalf of Kris Pister [pister@eecs.berkeley.edu]
Sent: Thursday, April 11, 2013 5:04 PM
To: 6tsch@ietf.org
Subject: Re: [6tsch] IEEE considering proposed changes to 802.15.4e<= br>
Tom - I'm surprised the you seem to be in favor of this.  I agree= that there are some things in 4e that should have been done some time ago.=   But the fact is that they weren't.  No standard is perfect.&nbs= p; If these were really egregious errors they would have been fixed earlier. 
In fact, it's clear that none of these things *needs* to be changed.  = It's just a question of convenience - the convenience of another standards = body that doesn't see things exactly the same way as the group that voted o= n 4e.  Some of the suggested changes are just plain bad.  They will re-open long arguments that don't need= to be re-opened, and once again retard the ever-so-gentle swell of momentu= m that we seem to be experiencing.

I am opposed to changing 4e in any way.  It was the work of many peopl= e over five years, and it's done.  It should stay done.

ksjp

On 4/11/2013 4:06 PM, Thomas Herbst wrote:
People should review and comment to IEEE.  

The frame id changes would be backward compatible =97 this work should= have been done some time ago (IMHO).

Identifying the IE's can be done in a backwards compatible manner, tho= ugh people may have used unregistered or managed IE's that could be impacte= d. 

The third issue may be larger for existing implementations that use e4= ie's =96 there is disagreement as the appropriate ordering of the paramete= rs. 

Larry Taylor's presentation is at - 


Now resuming your regular IETF content -

tom


From: Robert Assimiti <robert.assimiti@niv= is.com>
Date: Wednesday, April 10, 2013 2:2= 6 PM
To: "6tsch@ietf.org" <6tsch@ietf.org>
Subject: [6tsch] IEEE considering p= roposed changes to 802.15.4e

Just wanted to let everyone know that IEEE has recei= ved an ETSI request to change various things in the IEEE 802.15.4e spec.

 

These changes would most definitely render IEEE 802.= 15.4e not backward compatible.

 

Please see the e-mail below.

 

Robert Assimiti

 

 

From: ***** IEEE stds-802-15 General List ***** [mailto:STDS-802-WPAN@ieee.org<= /a>] On Behalf Of Bob Heile
Sent: Saturday, April 06, 2013 2:27 AM
To: STDS-802-WPAN@LISTSERV.IEEE.ORG
Subject: [802.15-GENERAL-LIST] Proposed Changes to 15.4e submitted b= y ETSI TC ERM

 

Dear 802.15 Participa= nts and Interested Parties--

As a result of input received from ETSI TC ERM, the IEEE 802.15 Work Group = (WG) is in the process of considering a number of significant changes to IE= EE 802.15.4, Low-Rate Wireless Personal Area Networks (LR-WPANs).  Sin= ce these proposed changes impact backward compatibility for some uses of IEEE 802.15.4e-2012, the Working Group is s= oliciting input from Standard Development Organizations (SDOs), Industry As= sociations, businesses, and individuals that may have an interest in the ou= tcome, before deciding on a course of action.

The proposed changes are summarized here:
=B7         Use a Frame Type ID val= ue, as an extension, to indicate that the following bits are new Frame type= s,
=B7         Restructure Information= Element IDs to allow IDs to be assigned to external SDOs
=B7         Change the order of the= Information Element Length and Type fields.

The latter two are the ones potentially affecting backward compatibility. F= urther information on this matter can be found in document 15-13-0220-02-0000. (https://mentor.ieee.org/802.15
/dcn/13/15-13-0220-02-0000-802-15-wg-request-for-participation.docx)
Anybody who believes they would be impacted, either because these changes w= ere implemented or not implemented, is invited to register, attend, and pre= sent their opinion for discussion and debate at the May IEEE 802.15 Meeting= .  Alternatively, if attendance and direct participation is not possible, commenters are invited to submit= a document, declaring their stance and how the changes, either implemented= or not, impact their use of IEEE 802.15.4. These should be sent to Bob Hei= le, Chair 802.15 and/or Pat Kinney, Vice Chair 802.15 (bh= eile@ieee.org, pat.kinney@ieee.or= g)

The IEEE 802.15 Working Group's next meeting will be May 12-17, 2013 at the= Hilton Waikoloa Village, Big Island, HI, USA.  More information on th= is meeting can be found at http://grouper.ieee.org/groups/802/15/pub/Meeting_Plan.html).


Bob Heile, Ph.D
Chairman Emeritus & Chief Technologist, ZigBee Alliance
Chair, IEEE 802.15 Working Group on Wireless Personal Area Networks
Co-Chair IEEE P2030 Task Force 3 on Smartgrid Communications
11 Robert Toner Blvd
Suite 5-301
North Attleboro, MA  02763   USA
Mobile: +1-781-929-4832
email:   bhe= ile@ieee.org

 



_______________________________________________=0A=
6tsch mailing list=0A=
6tsch@ietf.org=0A=
https://www.ietf.org/mailman/listinfo/6tsch<=
/a>=0A=

--_000_7FCB0B3CF842034294E7FDBD59418BD265F070F2SFOEXMB03silver_-- From twatteyne@gmail.com Thu Apr 11 21:29:37 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 237DC1F0C6D for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 21:29:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 1.224 X-Spam-Level: * X-Spam-Status: No, score=1.224 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, FM_IS_IT_OUR_ACCOUNT=4.2, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id V2EVJdg4OI+E for <6tsch@ietfa.amsl.com>; Thu, 11 Apr 2013 21:29:35 -0700 (PDT) Received: from mail-ee0-f48.google.com (mail-ee0-f48.google.com [74.125.83.48]) by ietfa.amsl.com (Postfix) with ESMTP id 8179721F86BA for <6tsch@ietf.org>; Thu, 11 Apr 2013 21:29:34 -0700 (PDT) Received: by mail-ee0-f48.google.com with SMTP id b15so1084429eek.21 for <6tsch@ietf.org>; Thu, 11 Apr 2013 21:29:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type; bh=hAKY5CB5zaLjobXVBj+KewyU4sq0z6NrncgeZquPAZ4=; b=qWqQJYg3RGhwdkFXxxuQq/c4SGiMdZiqgL8KmBpjsqLrhMVU3RR3tblyP5lqKdZOE7 b1c22IaNrN+Mwj/szh5rp5iI1hH3ntkInWvc15cGZaqhQz9KMjAI1+JasDIqsC8OZoJ9 7LVVDlySQ9QLpLintghyQzEgdQ84dJ5EVE0FoA00DfDTMvm1rDedgqwaLxl8CJFf8uhh t/QbZkadexWfrfn5OATVK+AGbNHsLx3YIktE8PAsNBoEG23XAxDOT1+niiOo2+GlSYD4 3sk4d0jIKvFFMMN10B+q/FirF37gNv4RJ6yljQjqhWv/6ckS1hJ4YZ1mrog9p/wPLkDj 7ROw== X-Received: by 10.14.107.69 with SMTP id n45mr23876114eeg.23.1365740973550; Thu, 11 Apr 2013 21:29:33 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.14.144.10 with HTTP; Thu, 11 Apr 2013 21:29:12 -0700 (PDT) In-Reply-To: References: From: Thomas Watteyne Date: Thu, 11 Apr 2013 21:29:12 -0700 X-Google-Sender-Auth: MD4cuxfJmpTXMvuD8eY6XJrO4yM Message-ID: To: "Pascal Thubert (pthubert)" Content-Type: multipart/mixed; boundary=001a11c2899e959a3804da225954 Cc: "Adrian Farrel \(adrian@olddog.co.uk\)" , "6tsch@ietf.org" <6tsch@ietf.org>, "Ted Lemon \(ted.lemon@nominum.com\)" , Marc Blanchet , "Ralph Droms \(rdroms\)" Subject: Re: [6tsch] draft agenda for call on April 12 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Apr 2013 04:29:37 -0000 --001a11c2899e959a3804da225954 Content-Type: multipart/alternative; boundary=001a11c2899e959a3404da225952 --001a11c2899e959a3404da225952 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable All, I'm attaching the slides we can use to discuss the draft charter during the call tomorrow, as well as the text itself. As pointed out in the previous e-mail, please note that the latest versions of both are available at https://bitbucket.org/6tsch/charter-ietf-6tsch/src= . Thomas On Thu, Apr 11, 2013 at 10:04 AM, Pascal Thubert (pthubert) < pthubert@cisco.com> wrote: > Dear all:**** > > ** ** > > Please find a draft agenda for the 6TSCH call Friday. **** > > ** ** > > The focus will be on the preparation of a charter, with a discussion on > the current draft:**** > > - update work on PANA [Yoshi] * *5mn **** > - Conclude work on NSIS [Xavi, John] 5mn **** > - Review / finalize archi 01 [Pascal] 5mn **** > - discuss charter: ** > 45mn **** > > Note: the charter WIP came be found here: > https://bitbucket.org/6tsch/charter-ietf-6tsch/src **** > > Please let us know if you wish to add / change stuff in this list,**** > > =85 and remember that the call will be recorded =85**** > > Cheers;**** > > Thomas and Pascal**** > > ** ** > > Call info : **** > > Topic: 6TSCH Weekly**** > > Date: Every Friday, from Friday, April 5, 2013 to Friday, March 7, 20= 14 > **** > > Time: 8:00 am, Pacific Daylight Time (San Francisco, GMT-07:00)**** > > Meeting Number: 206 802 913**** > > Meeting Password: sixtus**** > > ** ** > > -------------------------------------------------------**** > To start the online meeting**** > > -------------------------------------------------------**** > > 1. Go to > https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D481905242&PW=3DN= ZTRkNDAwOTE1&RT=3DMiM0 > **** > > 2. Log in to your account.**** > > 3. Click =93Start Now=94.**** > > 4. Follow the instructions that appear on your screen.**** > > ** ** > > ----------------------------------------------------------------**** > ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes**** > > ----------------------------------------------------------------**** > > ** ** > > The affected toll free numbers are: (866) 432-9903 for the San > Jose/Milpitas area and (866) 349-3520 for the RTP area.**** > > Please dial the local access number for your area from the list below:***= * > > **=B7 **San Jose/Milpitas (408) area: 525-6800**** > > **=B7 **RTP (919) area: 392-3330**** > > ** ** > > ------------------------------------------------------- **** > To join the teleconference only **** > > ------------------------------------------------------- **** > 1. Dial into Cisco WebEx (view all Global Access Numbers at **** = http://cisco.com/en/US/about/doing_business/conferencing/index.html > > > **** 2. > Follow the prompts to enter the Meeting Number (listed above) or Access > Code followed by the # sign. **** > > ** ** > > San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330 **** > > US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117 **** > > India: +91.80.4350.1111 Germany: +49.619.6773.9002 **** > > Japan: +81.3.5763.9394 China: +86.10.8515.5666**** > > To check whether you have the appropriate players installed for UCF > (Universal Communications Format) rich media files, go to > https://cisco.webex.com/cisco/systemdiagnosis.php.**** > > CCM:+14085256800x206802913# **** > > ** ** > --001a11c2899e959a3404da225952 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable


On Thu, Apr 11, 2013 at 10:04 AM, Pasc= al Thubert (pthubert) <pthubert@cisco.com> wrote:

Dear all:

=A0

Please find a draft agenda for the 6TSC= H call Friday.

=A0<= /p>

The focus will be on the preparation of= a charter, with a discussion on the current draft:

  • update work on PANA [Yoshi]=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0 =A05mn
  • Conc= lude work on NSIS [Xavi, John]=A0=A0=A0=A0 =A0 =A0=A0=A0=A0=A0=A0=A0=A0 =A05mn= =A0
  • Revi= ew / finalize archi 01 [Pascal]=A0=A0 =A0=A0=A0=A0 =A0 =A0=A0=A0=A0=A0=A0 =A05mn=A0
  • disc= uss charter:=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0 =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 45mn=A0 <= /li>

Note: the charter WIP came be found here: https://bitbucket.org/6tsch/charter-ietf-6tsch/src

Please let us know if you wish to add /= change stuff in this list,

=85 and remember that the call will be recorded =85<= /u>

Cheers;

Thomas and Pascal

=A0

Call info :

Topic:=A0=A0=A0 6TSCH Weekly

Date:=A0=A0=A0=A0 Every Friday, from Friday, April 5, 2013 to Friday, Ma= rch 7, 2014

Time:=A0=A0=A0=A0 8:00 am, Pacific Daylight Time (San Francisco, GMT-07:= 00)

Meeting Number:=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 206 802 913<= /p>

Meeting Password:=A0=A0=A0=A0=A0=A0=A0=A0 sixtus

=A0<= u>

-----------= --------------------------------------------

To start the online meeting

-----------= --------------------------------------------

1.=A0=A0 Go to https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D481= 905242&PW=3DNZTRkNDAwOTE1&RT=3DMiM0

2.=A0=A0 Log in to your account.

3.=A0=A0 Click =93Start Now=94.

4.=A0=A0 Follow the instructions that appear on your screen.

=A0<= u>

-----------= -----------------------------------------------------<= /p>

ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes=

-----------= -----------------------------------------------------<= /p>

=A0<= u>

The affected toll free numbers are: (866) 432-9903 for the San Jo= se/Milpitas area and (866) 349-3520 for the RTP area.<= /p>

Please dial the local access number for your area from the list below:

=B7=A0=A0=A0=A0=A0=A0=A0=A0 San Jose/Milpitas (408) area:=A0 525-6800

=B7=A0=A0=A0=A0=A0=A0=A0=A0 RTP (919) area:=A0 392-3330

=A0<= u>

-----------= --------------------------------------------

To join the teleconference only

-----------= --------------------------------------------

1.=A0=A0=A0=A0=A0=A0=A0=A0 Dial into Cisco WebEx (view all Global Acces= s Numbers at

http://cisco.com/en/US/about/doing_busine= ss/conferencing/index.html

2.=A0=A0=A0=A0=A0=A0=A0=A0 Follow the prompts to enter the Meeting Number (listed above) or Access Co= de followed by the # sign.

=A0<= u>

San Jose, CA: +1.408.525.6800=A0 RTP: +1.919.392.3330 =

US/Canada: +1.866.432.9903=A0 United Kingdom: +44.20.8824.0117

India: +91.80.4350.1111=A0 Germany: +49.619.6773.9002 <= /u>

Japan: +81.3.5763.9394=A0 China: +86.10.8515.5666<= /u>

To check whether you have the appropriate players installed for UCF (Uni= versal Communications Format) rich media files, go to https://cisco.webex.com/cisco/systemdiagnosis.php.

CCM:+14085256800x206802913#

=A0


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X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0E73C21F86AD for <6tsch@ietfa.amsl.com>; Fri, 12 Apr 2013 06:22:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Xy13K-j5378H for <6tsch@ietfa.amsl.com>; Fri, 12 Apr 2013 06:22:20 -0700 (PDT) Received: from tuna.sandelman.ca (unknown [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) by ietfa.amsl.com (Postfix) with ESMTP id 7D02321F8696 for <6tsch@ietf.org>; Fri, 12 Apr 2013 06:22:19 -0700 (PDT) Received: from sandelman.ca (obiwan.sandelman.ca [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id 394092016F for <6tsch@ietf.org>; Fri, 12 Apr 2013 09:32:00 -0400 (EDT) Received: by sandelman.ca (Postfix, from userid 179) id 2EE23A9946; Fri, 12 Apr 2013 09:21:53 -0400 (EDT) Received: from sandelman.ca (localhost [127.0.0.1]) by sandelman.ca (Postfix) with ESMTP id 146D9B9396 for <6tsch@ietf.org>; Fri, 12 Apr 2013 09:21:53 -0400 (EDT) From: Michael Richardson To: "6tsch@ietf.org" <6tsch@ietf.org> In-Reply-To: References: X-Mailer: MH-E 8.3; nmh 1.3-dev; XEmacs 21.4 (patch 22) X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Sender: mcr@sandelman.ca Subject: Re: [6tsch] draft agenda for call on April 12 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Apr 2013 13:22:21 -0000 --=-=-= Content-Transfer-Encoding: quoted-printable I have read the slides. I don't know if I'll make the call today or not. I am pleased by the progress and the very clear focus presented in the slides. slide 9: "This document (or documents) will define how to bootstrap a 6TSCH network, " I think that this might be too big a statement. I don't think that 6TSCH proposes to solve the *security* bootstraping, but rather the bootstrapping of the schedule. Perhaps that's implied by saying *6TSCH* network, but it's easy to miss that. I suggest changing this to: "This document (or documents) will define how to bootstrap the 6TSCH aspects of the LLN and the IPv6 transit links" *** *** Given the dependancy that draft-ietf-roll-rpl-industrial-applicability-= 00=20 *** has on this work, I wonder if this "BOF" effort would like to suggest *** text changes to the charter of the ROLL WG to the IESG. *** *** Would this WG like to adopt the above work item?=20=20 *** I suggest not setting milestone dates until after primary authors for=20 each work item have been found, and until chairs are selected. As for the question about security: I recommend that the initial charter make security *solutions* out of scope. Why? because we have many solutions and many related problems and the various technologies proposed (NSIS, RSVP, PCE3, etc) may have their own security solutions already.=20=20=20 Then plan to recharter after the technologies are chosen in the architecture, but before things are fully baked. Every document will have a Security Considerations section, and this needs to be written with the rest of the document, and should ask many questions.=20 =2D-=20 Michael Richardson , Sandelman Software Works=20 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQCVAwUAUWgKcIqHRg3pndX9AQKxZgQAmOL2CMhJYkvXlVMKFlTmA7sWKLk15O3u 4OqkmFqeyEDeg6MUxfGDQpdaiWfg8xQTHfHAJbToHx5lXBAfdq8AgjsxKYPJyCiL sIJR3SLxF2Rurwdgc61+VU25FiopA371ZYcdt05RgCJ1dBxKD0c+ozUZTUJ3RnQn nPl64u7EIDo= =5aMS -----END PGP SIGNATURE----- --=-=-=-- From twatteyne@gmail.com Fri Apr 12 07:51:03 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3CC9221F8C16 for <6tsch@ietfa.amsl.com>; Fri, 12 Apr 2013 07:51:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.976 X-Spam-Level: X-Spam-Status: No, score=-2.976 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3JP-UCcbZgZR for <6tsch@ietfa.amsl.com>; Fri, 12 Apr 2013 07:51:02 -0700 (PDT) Received: from mail-pb0-f46.google.com (mail-pb0-f46.google.com [209.85.160.46]) by ietfa.amsl.com (Postfix) with ESMTP id 5DE2221F8C0C for <6tsch@ietf.org>; Fri, 12 Apr 2013 07:51:02 -0700 (PDT) Received: by mail-pb0-f46.google.com with SMTP id rp8so1447687pbb.5 for <6tsch@ietf.org>; Fri, 12 Apr 2013 07:51:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; bh=LFU1MiwjKJcHI5DQ2Y+DngpMk8exPYZQmFBikAQgHM8=; b=HS8GY1hY238zhnzmtnoUDvU5jcdcimaLrREv4ymnhW7gf9R8S+CiAUacBsDdjbGbEp 0whtFMkXyypJjYg9Z8QtKlvhpgHuzQxIzmF6U6yxIw0rMCtmMxoPNzloBls5EF/OiSsS OSG5m8jsVFCnkSjnwsdFLAqpkpW6carYizhuudMDZ/OgGRa7hhBYcbjEhFxy5pTJID/2 rDQMQJE63Efo3M2kPC07v1fl8B+0AhHmJVGb7SyeO5ZVkVidel9c3wsr94dQXI6XIRyg VN072AMHqtfzILh16SzyGaHok2rY+oVWUvbZAOnpM0xhnOr2V4WWIWZPVgq6C7TLXHpZ 5oYg== X-Received: by 10.66.156.196 with SMTP id wg4mr15999008pab.23.1365778262102; Fri, 12 Apr 2013 07:51:02 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.182.166 with HTTP; Fri, 12 Apr 2013 07:50:41 -0700 (PDT) In-Reply-To: <19846.1365772913@sandelman.ca> References: <19846.1365772913@sandelman.ca> From: Thomas Watteyne Date: Fri, 12 Apr 2013 07:50:41 -0700 X-Google-Sender-Auth: iv6ZPuL5zduCCAFIfsD7elxjeGA Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7b86f12027a16c04da2b0805 Subject: Re: [6tsch] draft agenda for call on April 12 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Apr 2013 14:51:03 -0000 --047d7b86f12027a16c04da2b0805 Content-Type: text/plain; charset=ISO-8859-1 Michael, Thanks for going through the material. I'll make sure we discuss them in today's call. Thomas On Fri, Apr 12, 2013 at 6:21 AM, Michael Richardson wrote: > > I have read the slides. I don't know if I'll make the call today or > not. I am pleased by the progress and the very clear focus presented in > the slides. > > slide 9: > > "This document (or documents) will define how to bootstrap a 6TSCH > network, " > > I think that this might be too big a statement. I don't think that > 6TSCH proposes to solve the *security* bootstraping, but rather the > bootstrapping of the schedule. Perhaps that's implied by saying *6TSCH* > network, but it's easy to miss that. > > I suggest changing this to: > > "This document (or documents) will define how to bootstrap the 6TSCH > aspects of the LLN and the IPv6 transit links" > > > *** > *** Given the dependancy that > draft-ietf-roll-rpl-industrial-applicability-00 > *** has on this work, I wonder if this "BOF" effort would like to suggest > *** text changes to the charter of the ROLL WG to the IESG. > *** > *** Would this WG like to adopt the above work item? > *** > > > I suggest not setting milestone dates until after primary authors for > each work item have been found, and until chairs are selected. > > As for the question about security: I recommend that the initial > charter make security *solutions* out of scope. Why? because we have > many solutions and many related problems and the various technologies > proposed (NSIS, RSVP, PCE3, etc) may have their own security solutions > already. > > Then plan to recharter after the technologies are chosen in the > architecture, but before things are fully baked. > > Every document will have a Security Considerations section, and this > needs to be written with the rest of the document, and should ask many > questions. > > -- > Michael Richardson , Sandelman Software Works > > > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > > --047d7b86f12027a16c04da2b0805 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Michael,
Thanks for going through the material. I'll make sure we discuss them = in today's call.
Thomas


On Fri, Apr= 12, 2013 at 6:21 AM, Michael Richardson <mcr+ietf@sandelman.ca>= ; wrote:

I have read the slides. =A0I don't know if I'll make the call today= or
not. I am pleased by the progress and the very clear focus presented in
the slides.

slide 9:

"This document (or documents) will define how to bootstrap a 6TSCH
=A0network, "

I think that this might be too big a statement. =A0I don't think that 6TSCH proposes to solve the *security* bootstraping, but rather the
bootstrapping of the schedule. =A0Perhaps that's implied by saying *6TS= CH*
network, but it's easy to miss that.

I suggest changing this to:

=A0"This document (or documents) will define how to bootstrap the 6TSC= H
=A0 aspects of the LLN and the IPv6 transit links"

<WG CO-CHAIR HAT ON>
***
*** Given the dependancy that draft-ietf-roll-rpl-industrial-applicability-= 00
*** has on this work, I wonder if this "BOF" effort would like to= suggest
*** text changes to the charter of the ROLL WG to the IESG.
***
*** Would this WG like to adopt the above work item?
***
</WG>

I suggest not setting milestone dates until after primary authors for
each work item have been found, and until chairs are selected.

As for the question about security: =A0I recommend that the initial
charter make security *solutions* out of scope. =A0Why? because we have
many solutions and many related problems and the various technologies
proposed (NSIS, RSVP, PCE3, etc) may have their own security solutions
already.

Then plan to recharter after the technologies are chosen in the
architecture, but before things are fully baked.

Every document will have a Security Considerations section, and this
needs to be written with the rest of the document, and should ask many
questions.

--
Michael Richardson <mcr+IETF@= sandelman.ca>, Sandelman Software Works



_______________________________________________
6tsch mailing list
6tsch@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/6tsch


--047d7b86f12027a16c04da2b0805-- From xvilajosana@eecs.berkeley.edu Fri Apr 12 08:11:58 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DCFEB21F8B13 for <6tsch@ietfa.amsl.com>; Fri, 12 Apr 2013 08:11:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lnD+QP2D+9Pv for <6tsch@ietfa.amsl.com>; Fri, 12 Apr 2013 08:11:58 -0700 (PDT) Received: from cm06fe.IST.Berkeley.EDU (cm06fe.IST.Berkeley.EDU [169.229.218.147]) by ietfa.amsl.com (Postfix) with ESMTP id 2EF8521F890D for <6tsch@ietf.org>; Fri, 12 Apr 2013 08:11:58 -0700 (PDT) Received: from c-67-188-198-243.hsd1.ca.comcast.net ([67.188.198.243] helo=[192.168.2.5]) by cm06fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth plain:xvilajosana@eecs.berkeley.edu) (envelope-from ) id 1UQfdr-000243-L5; Fri, 12 Apr 2013 08:11:56 -0700 Message-ID: <51682436.3060200@eecs.berkeley.edu> Date: Fri, 12 Apr 2013 08:11:50 -0700 From: Xavier Vilajosana User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: Roland Bless References: <5162F87A.4060502@eecs.berkeley.edu> <516581EF.7060106@kit.edu> <5165C85F.8050500@kit.edu> In-Reply-To: <5165C85F.8050500@kit.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "Pascal Thubert \(pthubert\)" , "6tsch@ietf.org" <6tsch@ietf.org> Subject: Re: [6tsch] summary NSIS X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Apr 2013 15:11:59 -0000 Hi Roland, you said that NSIS will be suitable to support PCE management networks. Can you explain how NSIS will work in the following scenario: " A PCE computes the schedule for a set of devices in a TSCH network, which includes information such as a collection of tuples for each node in the set. The PCE needs to install that information in the schedule of each node meaning that each node has to receive that information." From your emails I have the intuition that: 1) QSPEC messages can be extended to carry that information. 2) NSIS QoS on GIST can be used to send the message along the route so each of the nodes in the set receive the configuration However I don't see very clear how GIST will build the "path" to each of this nodes. Will it use a reverse-reservation (initiated from the receiver?) Can you illustrate that scenario please? X On 10/04/13 13:15, Roland Bless wrote: > Hi, > > On 10.04.2013 17:48, Pascal Thubert (pthubert) wrote: >> Thanks a bunch for this. >> >> Please note that the first comment we got when we introduced NSIS in the discussion is that it is a rather large piece of code to be included in memory and CPU constrained devices. >> Would you have any comment on that ? > Sure, as an implementer we have some rough idea about the complexity. > In our C++ Linux-based implementation (http://nsis-ka.org/) we > have roughly 32,000 sloc for GIST and 18,000+4,000 sloc for QoS NSLP > +QSPEC resulting in several MBytes of executable. So NSIS has maybe some > functionality (e.g., mobility support) and extensibility that is not > strictly required in your particular scenario. However, we never > had a focus on a lightweight implementation rather than a nearly > complete and easy to test prototype. > > Regards, > Roland > From mcr@sandelman.ca Fri Apr 12 09:58:15 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5116D21F8640; Fri, 12 Apr 2013 09:58:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pbUwZxwU42ed; Fri, 12 Apr 2013 09:58:14 -0700 (PDT) Received: from tuna.sandelman.ca (unknown [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) by ietfa.amsl.com (Postfix) with ESMTP id 58D4A21F8617; Fri, 12 Apr 2013 09:58:14 -0700 (PDT) Received: from sandelman.ca (obiwan.sandelman.ca [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id 781222016E; Fri, 12 Apr 2013 13:07:59 -0400 (EDT) Received: by sandelman.ca (Postfix, from userid 179) id 016EC638F7; Fri, 12 Apr 2013 12:57:51 -0400 (EDT) Received: from sandelman.ca (localhost [127.0.0.1]) by sandelman.ca (Postfix) with ESMTP id E3B75638E8; Fri, 12 Apr 2013 12:57:51 -0400 (EDT) From: Michael Richardson To: roll@ietf.org In-Reply-To: References: <19846.1365772913@sandelman.ca> X-Mailer: MH-E 8.3; nmh 1.3-dev; XEmacs 21.4 (patch 22) X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Sender: mcr@sandelman.ca Cc: IETF 6TSCH <6tsch@ietf.org> Subject: Re: [6tsch] draft agenda for call on April 12 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Apr 2013 16:58:15 -0000 --=-=-= Content-Transfer-Encoding: quoted-printable On the 6tsch I wrote: ** Given the apparent dependancy that draft-ietf-roll-rpl-industrial-applicability-00=20 has on the 6tsch work, I wonder if this "BOF" effort would like to suggest text changes to the charter of the ROLL WG to the IESG. ** Would the 6tsch WG/BOF like to adopt the above work item? In further thinking this morning while unblock the shower drain, I realized that there are a number of additional options. From=20draft-ietf-roll-rpl-industrial-applicability-00: > It appears from the above sections that whether and the way RPL can > be applied for a given flow depends both on the deployment scenario > and on the class of application / traffic. At a high level, this can > be summarized by the following matrix: > > >+---------------------+------------------------------------------------+ >| Phase \ Class | 0 1 2 3 4 5 | >+=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+ >| Construction | X X X X | >+---------------------+------------------------------------------------+ >| Planned startup | X X X X | >+---------------------+------------------------------------------------+ >| Normal operation | ? ? ? | >+---------------------+------------------------------------------------+ >| Planned shutdown | X X X X | >+---------------------+------------------------------------------------+ >|Plant decommissioning| X X X X | >+---------------------+------------------------------------------------+ >| Recovery and repair | X X X X X X | >+---------------------+------------------------------------------------+ > > ? : typically usable for all but higher-rate classes 0,1 PS traffic > > Figure 1: RPL applicability matrix my understanding is that "Normal Operation" is when the 6tsch schedules are really necessary. The rest of the time a non-timeslotted system might be perfectedly acceptable. So additional options would be for=20 draft-ietf-roll-rpl-industrial-applicability to become draft-ietf-roll-rpl-industrial-nonnormal-applicability and for a new document: draft-ietf-6tsch-rpl-industrial-normal-applicability to come to exist. This would mean that the current document would essentially declare normal operation to be out of scope (punt at 6tsch for this), and for the document to get finished. That would remove 6tsch as a blocker for this document. It's not the only option on how to do things. =2D-=20 ] Never tell me the odds! | ipv6 mesh network= s [=20 ] Michael Richardson, Sandelman Software Works | network architect= [=20 ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails = [=20 =09 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQCVAwUAUWg9D4qHRg3pndX9AQJ+egQA35v0aJXxm2flsQUMaD/oGRNRqWjSkHsY HMY3Dkw2HbfhM7C14P6EdLrMESY7pL2OCm3d9BtFju+cOXAHZk2HsiyxvLMvdd/i ofmUnivij0BEiugIsNFKNCQIO8RSwsbDnqHp+6CZqK6+sDqwNvsSAIIe8yL4jMr6 nlyv3sCELIQ= =4ucD -----END PGP SIGNATURE----- --=-=-=-- From twatteyne@gmail.com Mon Apr 15 23:52:41 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 43FDD21F964F for <6tsch@ietfa.amsl.com>; Mon, 15 Apr 2013 23:52:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.376 X-Spam-Level: X-Spam-Status: No, score=-2.376 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, J_CHICKENPOX_83=0.6, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id A9OHXaVgzmr2 for <6tsch@ietfa.amsl.com>; Mon, 15 Apr 2013 23:52:21 -0700 (PDT) Received: from mail-pa0-f49.google.com (mail-pa0-f49.google.com [209.85.220.49]) by ietfa.amsl.com (Postfix) with ESMTP id E9F0A21F964B for <6tsch@ietf.org>; Mon, 15 Apr 2013 23:52:17 -0700 (PDT) Received: by mail-pa0-f49.google.com with SMTP id kp14so177900pab.22 for <6tsch@ietf.org>; Mon, 15 Apr 2013 23:52:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:from:date:x-google-sender-auth :message-id:subject:to:content-type; bh=DpglwRo7bVOL/WH0ZGXYSN1G13zB4WRXxnOmnDWgRv0=; b=j+tgijLLSfNDqAhzEEJ0W+kIXTrmRwRWeDBpEz3qji5ICTqt/IsecJQ3BfGWllbeJ4 tIjG0DAMSujPVKggPV50uc/JVLnIqJyHJ4aup1DGgurkdGIp2xQ+Y70b/EYlKS8C7MUD IMds+VD61j/UIrR/4wpl6GvPt5FFtlOoRjL/PAob/+Td7Fm7m1iQT/AXwHdyMPsl2GRJ vI/KOAM5uJaZIdB9bZ/SyaZ3156AKFfGgNY2pkdmVWgCnW2vHrK3vLWaT7GGC2jZjUBg jkY34rlKzJADWhdgjtpHaCDn44MaxR9W/hJcsu58lv4fNQWutsmuTrnSuDHKdXwimaJI hmsA== X-Received: by 10.68.218.34 with SMTP id pd2mr1273599pbc.204.1366095136717; Mon, 15 Apr 2013 23:52:16 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.182.166 with HTTP; Mon, 15 Apr 2013 23:51:55 -0700 (PDT) From: Thomas Watteyne Date: Mon, 15 Apr 2013 23:51:55 -0700 X-Google-Sender-Auth: ydcB_R0EnblVVh9RCQA36j-wDaQ Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=e89a8ffba0015a7ffe04da74cf4a Subject: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Apr 2013 06:52:41 -0000 --e89a8ffba0015a7ffe04da74cf4a Content-Type: text/plain; charset=ISO-8859-1 All, You will find the minutes of the last webex below (thanks Xavi for taking notes!). Please fix anything I might have missed directly in the e-mail and reply. The suggestions raised during the webex for the charter are filed at https://bitbucket.org/6tsch/charter-ietf-6tsch/issues. These minutes are also available at https://bitbucket.org/6tsch/meetings/. Thomas --- Note: timestamps in PDT. Present (alphabetically) -------------------------- * Thomas Watteyne * Pascal Thubert * Alfredo Grieco * Adrian Farrel * Herman Storey * Maria Rita Palattella * Ted Lemon * Tina Tsou * Tom Phinney * Xavi Vilajosana * Yoshihiro Obha * Dominique Barthel * Gennaro Boggia Recording --------- * Webex recording (audio+slides,streaming) * https://cisco.webex.com/ciscosales/lsr.php?AT=pb&SP=MC&rID=67438047&rKey=29d1816716c79280[65min] Slides ------ * 130412_slides_webex.pptx: slides shared during the call Agenda ------ * update work on PANA [Yoshihiro] [5min] * Conclude work on NSIS [Xavi] [5min] * Review / finalize archi 01 [Pascal] [5min] * discuss charter [Thomas, all] [45min] Minutes ------- * [08.02] meeting starts * [08.02] Context Pascal to Ted * Ted no opinion whether routing or internet area applies best for 6TSCH, but willing to help 6TSCH get IESG aware. Decision on whether Ted or Adrian can be taken later. * [08.05] Pascal presents agenda * [08.06] update work on PANA [Yoshihiro] * work on-going * 6 contributors * agreed on TOC * start analyzing gap * 3 phase for key management * discussion * [Pascal] From gap analysis, can we use existing standards? * [Yoshihiro] Depends on what requirements come up with. If need new, we need to discuss next steps. This document describes more the architecture. * [Pascal] If we end up needing a new standard work, should be done in 6TSCH or in security area? * [Yoshihiro] Will depend on the requirements. * [Pascal] Will need to be open in the charter. * [08.12] Conclude work on NSIS [Xavi] * has been doing lots of reading on NSIS. * NSIS clear fit for distributed scheduling in 6TSCH. * Yet, heavy implementation, and lots of signaling overhead. * Not clear whether can be used directly for transporting PCE signaling. * [Thomas] Could PCEP not be used for PCE-to-motes communication? * [Xavi] Probably. * [Pascal] NSIS is veyu heavy. * [Pascal] not a big deal is need PCEP and RSVP since very lean. * [Xavi] John is looking at PCEP. * [08.19] update on draft-thubert-6tsch-architecture [Pascal] * Discussion hasn't moved much in last weeks * Yet we might want to incorporate DTLS and COAP * We not have a much clearer picture of the protocols, so we will be able to submit a new version of the draft. * [Thomas] When could this submission be? * [Pascal] Possibly immediately. * [08.23] discusion on draft charter [Thomas] * Thomas presents latest version of the draft charter * available at https://bitbucket.org/6tsch/charter-ietf-6tsch/src * outline very conventional. * First part of presenting IEE802.15.4e: * focuses on the tsch mode of the 15.4e * 6tsch is adaptation layer * support both distribute and centralized scheduling approaches * focuses on the scheduling of such networks. * [Pascal] Are we limited to IEEE802.15.4e? Can we imagine other macs/phy in the future? * [Thomas] goal is to avoid discussions about other MAC layers that are not related at all. * [Thomas] however tsch is the most wide representation of the kind of networks we want to address * 3 scheduling approaches: * centralized PCE: entity out the network and pushes the schedule to the network * distributed resource reservation: signaling protocol used to establish pipes between source and destination * best effort: bootstrap case. best effort traffic class. smallest configuration to be able to inter-operate. * Multiple backbone routers: * transit links. * scale devices in the same subnet-> layout a high speed backbone(RPL root, or 6LowPAN lbr), that is able to route to transit nodes which moved to another subnet. * backbone router, was presented in orlando meeting. * [Tom] add "diversity" together with jitter,latency, loss. Diversity needs to continue on the backbone as part of the routing. * [Thomas] absolutely, will do. Filed at https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/1 * Include architecture recommendation on how to deal with multiple BBR, how we aim to deal with synchronization, etc.. * Coordination with IPSO,IoT6, ISA, IEEE. (assemble pieces from other groups). * [Herman] how to stablish a performance criteria on that networks. Specially for backbone. ISA100 differentiates between backhaul and backbone. What are the exact performance criteria which trigger a switch between the two cases? * [Pascal] Currently, there is no item (and requirement) for backhaul, just BB. No particular plans on neighbor discovery, routing over the backhaul. * [Herman] Difference between BB and BH imporant in ISA100. BH can be used e.g. for inter-continental communication. 60% of automation is done remotely. * [Thomas] We can have several good technocal discussions about how to split the management entity between close to the network and far. From an administrative point of view, let's add this case to the backbone work * [Pascal] Placing constraints in terms on latency. Let's move that constraint on the architecture. * work items * Thomas will proxy comments from Michael richardson, who could not be at the webex. * list of work items: * 6tus layer: adaptation layer. Michel suggests that bootstraping is too generic. This suggestion is captured in https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/2 * Centralized management. presence of a PCE. define how the pce communicates to the network and how it extracts information from it. * distributed management. looking at NSIS and RSVP. * best effort: 6tsch minimal operation. No PCE nor Dist.SCheduling. Minimum set of things that can be done to stablish a minimal traffic support. Local reservation. Very minimal set of requirements. Initial setup of basic links. * 6tsch architecture. Put together all of pieces. Describing implementation, highlight differences of data flows. * TSCH overview: highlights of 15.4e tsch mode, and what is missing that 6TSCH needs to do. * Non-milestone work items: * implementors guide. sharing best practices of implementation. * coexistence: how 6tsch network can operate in the presence of similar TSCH (ISA100.11a,Whart). make cohexistence simpler. interoperability testing. * applicability statement. How it answer the requirements. * [Thomas] do we put security as a work item or do we integrate it on each work item? * [Pascal] Could be part of the architecture * [Tom] if security is everywhere put it at every work item. * [Thomas] Every document we generate needs to have a security section. We can create a separate work item in charter. Captured in https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/3 * Milestone dates: * too early for that, let's wait * [Pascal] What should be doing now thinking on the BOF in Berlin? * [Ted] Having the charter ready for Berlin is good. * [Adrian] * Instead of milestones and dates, put work items in chronological order better. * Work out what is missing, and clean up the drafts. * Work out what you want to do in the BoF. Plan the agenda. Describe the environment,etc. Do a good planning is what would help on the BoF acceptance. * You will get questions about deployment use cases. Why would people want to run IP on that particular IEEE networks. Rather than what could be done, answer what the needs are. * Good starting points: * http://trac.tools.ietf.org/bof/trac/ * RFC5434 * RFC6771 * [09.15] meeting ends --e89a8ffba0015a7ffe04da74cf4a Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
All,

You will find the minutes of the l= ast webex below (thanks Xavi for taking notes!).=A0Please fix anything I might have missed= directly in the e-mail and reply.

The suggestions raised during the webex for the charter= are filed at=A0https://bitbucket.org/6tsch/charter-ietf-6tsch/iss= ues.

These minutes are also available at=A0https://bitbucket.org/6t= sch/meetings/.

Thomas

---

Note: timestamps in PDT.

Present (alphabetically)
--------------------------

* Thomas Watteyne
* Pascal Thubert
* Alfredo Grieco
* Adrian Farrel
* Herman Storey
* Maria Rita Palattella
* Ted Lemon
* Tina Tsou
* Tom Phinney
* Xavi Vilajosana
* Yoshihiro Obha
* Dominique Barthel
* Gennaro Boggia
<= font face=3D"courier new, monospace">
Recording
---------

* Webex recording (audio+slides,streaming)

Slides
------
* 130412_slides_web= ex.pptx: slides shared during the call

Agenda
------

* update work on PANA [Yoshihiro] [5min]
* Conclude work on NSIS [Xavi] [5min]
* Review / finalize archi 01 [Pa= scal] [5min]
* discu= ss charter [Thomas, all] [45min]

Minutes
-------

* [08.02] meeting starts
* [08.02] Context Pascal to Ted<= /font>
=A0 =A0 * Ted no opi= nion whether routing or internet area applies best for 6TSCH,
<= div> =A0 =A0 =A0 but willing to help 6TSCH= get IESG aware. Decision on whether Ted or
=A0 =A0 =A0 Adrian can be taken later.
=
* [08.05] Pascal presents agenda=
* [08.06] update work on PANA [Y= oshihiro]
=A0 =A0 * = work on-going
=A0 = =A0 * 6 contributors
=A0 =A0 * agreed on TOC
=A0 =A0 * start analyzing ga= p
=A0 =A0 * 3 phase = for key management
=A0 =A0 * discussion
=A0 =A0 =A0 =A0 * [Pascal] From= gap analysis, can we use existing standards?
=A0 =A0 =A0 =A0 * [Yoshihiro] Depends on what r= equirements come up with. If need new,
=A0 =A0 =A0 =A0 =A0 we need to d= iscuss next steps. This document describes more the
=A0 =A0 =A0 =A0 =A0 architecture.
=A0 =A0 =A0 =A0 * [Pascal] If= we end up needing a new standard work, should be done
=A0 =A0 =A0 =A0 =A0 in 6TSCH or = in security area?
= =A0 =A0 =A0 =A0 * [Yoshihiro] Will depend on the requirements.
=
=A0 =A0 =A0 =A0 * [Pascal] Will = need to be open in the charter.
* [08.12] Conclude work on NSIS = [Xavi]
=A0 =A0 * has= been doing lots of reading on NSIS.=A0
=A0 =A0 * NSIS clear fit for distributed scheduling in = 6TSCH.
=A0 =A0 * Yet, heavy implementat= ion, and lots of signaling overhead.
=A0 =A0 * Not clear whether can be used directly for trans= porting PCE signaling.
=A0 =A0 * [Thomas] Could PCEP no= t be used for PCE-to-motes communication?
=A0 =A0 * [Xavi] Probably.
=A0 =A0 * [Pascal] NSIS is veyu heavy.<= /div>
=A0 =A0 * [Pascal] not a big dea= l is need PCEP and RSVP since very lean.
=A0 =A0 * [Xavi] John is looking at PCEP.
=
* [08.19] update on draft-thuber= t-6tsch-architecture [Pascal]
=A0 =A0 * Discussion hasn't = moved much in last weeks
=A0 =A0 * Yet we might want to incorporate DTLS and COAP
<= div>=A0 =A0 * We not have a much clea= rer picture of the protocols, so we will be able to
=A0 =A0 =A0 submit a new version= of the draft.
=A0 = =A0 * [Thomas] When could this submission be?
=A0 =A0 * [Pascal] Possibly immediately.=
* [08.23] discusion on draft cha= rter [Thomas]
=A0 = =A0 * Thomas presents latest version of the draft charter
=A0 =A0 * outline very conventio= nal.
=A0 =A0 * First= part of presenting IEE802.15.4e:
=A0 =A0 =A0 =A0 * focuses on the tsch mode of the 15.4e
=A0 =A0 =A0 =A0 * 6tsch is adapt= ation layer
=A0 =A0 = =A0 =A0 * support both distribute and centralized scheduling approaches
=A0 =A0 =A0 =A0 * focus= es on the scheduling of such networks.
=A0 =A0 * [Pascal] Are we limite= d to IEEE802.15.4e? Can we imagine other
=A0 =A0 =A0 =A0 macs/phy in the future?
=A0 =A0 * [Thomas] goal is to avoi= d discussions about other MAC layers that are
=A0 =A0 =A0 =A0 not related at a= ll.
=A0 =A0 * [Thoma= s] however tsch is the most wide representation of the kind of
=
=A0 =A0 =A0 =A0 networks we want= to address
=A0 =A0 * 3 scheduling approache= s:
=A0 =A0 =A0 =A0 *= centralized PCE: entity out the network and pushes the schedule to<= /div>
=A0 =A0 =A0 =A0 =A0 the net= work
=A0 =A0 =A0 =A0 * distributed re= source reservation: signaling protocol used to
=A0 =A0 =A0 =A0 =A0 establish pipes between sou= rce and destination
=A0 =A0 =A0 =A0 * best effort: b= ootstrap case. best effort traffic class. smallest
=A0 =A0 =A0 =A0 =A0 configuration to be able= to inter-operate.
=A0 =A0 * Multiple backbone rout= ers:
=A0 =A0 =A0 =A0= * transit links.
= =A0 =A0 =A0 =A0 * scale devices in the same subnet-> layout a high speed= backbone(RPL
=A0 =A0 =A0 =A0 =A0 =A0root, or = 6LowPAN lbr), that is able to route to transit nodes which
=A0 =A0 =A0 =A0 =A0 =A0moved to anot= her subnet.
=A0 =A0 =A0 =A0 * backbone route= r, was presented in orlando meeting.
=A0 =A0 * [Tom] add "diversity" together with ji= tter,latency, loss. Diversity
=A0 =A0 =A0 =A0 needs to continu= e on the backbone as part of the routing.
=A0 =A0 * [Thomas] absolutely, will do.
<= div>=A0 =A0 =A0 =A0 Filed at https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/1
=A0 =A0 * Include architecture r= ecommendation on how to deal with multiple BBR, how
=A0 =A0 =A0 =A0we aim to deal with synchron= ization, etc..
=A0 =A0 * Coordination with IPSO= ,IoT6, ISA, IEEE. (assemble pieces from other
=A0 =A0 =A0 =A0groups).
=A0 =A0 * [Herman] how to stablish a perfor= mance criteria on that networks.
=A0 =A0 =A0 =A0Specially for bac= kbone. ISA100 differentiates between backhaul and
=A0 =A0 =A0 =A0backbone. What are the exact p= erformance criteria which trigger a switch
=A0 =A0 =A0 =A0between the two c= ases?
=A0 =A0 * [Pas= cal] Currently, there is no item (and requirement) for backhaul,
=A0 =A0 =A0 =A0just BB. No par= ticular plans on neighbor discovery, routing over the
=A0 =A0 =A0 =A0backhaul.<= /div>
=A0 =A0 * [Herman] Differen= ce between BB and BH imporant in ISA100. BH can be
=A0 =A0 =A0 =A0used e.g. for inter-continent= al communication. 60% of automation is done
=A0 =A0 =A0 =A0remotely.<= /div>
=A0 =A0 * [Thomas] We can h= ave several good technocal discussions about how to
=A0 =A0 =A0 =A0split the management entity = between close to the network and far. From
=A0 =A0 =A0 =A0an administrative= point of view, let's add this case to the backbone
=A0 =A0 =A0 =A0work
=A0 =A0 * [Pascal] Placing constraints = in terms on latency. Let's move that
=A0 =A0 =A0 =A0constraint on the= architecture.
=A0 = =A0 * work items
=A0= =A0 * Thomas will proxy comments from Michael richardson, who could not be= at
=A0 =A0 =A0 the webex.
=A0 =A0 * list of work items:=
=A0 =A0 =A0 =A0 * 6= tus layer: adaptation layer. Michel suggests that bootstraping is
=A0 =A0 =A0 =A0 =A0 too generic.= This suggestion is captured in
=A0 =A0 =A0 =A0 * Centralized ma= nagement. presence of a PCE. define how the pce
=A0 =A0 =A0 =A0 =A0 communicates to the network= and how it extracts information from it.
=A0 =A0 =A0 =A0 * distributed ma= nagement. looking at NSIS and RSVP.
=A0 =A0 =A0 =A0 * best effort: 6tsch minimal operation. No = PCE nor Dist.SCheduling.
=A0 =A0 =A0 =A0 =A0 Minimum set = of things that can be done to stablish a minimal traffic
<= font face=3D"courier new, monospace">=A0 =A0 =A0 =A0 =A0 support. Local res= ervation. Very minimal set of requirements. Initial
=A0 =A0 =A0 =A0 =A0 setup of bas= ic links.
=A0 =A0 = =A0 =A0 * 6tsch architecture. Put together all of pieces. Describing=
=A0 =A0 =A0 =A0 =A0 implem= entation, highlight differences of data flows.
=A0 =A0 =A0 =A0 * TSCH overview:= highlights of 15.4e tsch mode, and what is missing
=A0 =A0 =A0 =A0 =A0 that 6TSCH needs to do.=
=A0 =A0 * Non-milestone work items:
=A0 =A0 =A0 =A0 * imp= lementors guide. sharing best practices of implementation.
=A0 =A0 =A0 =A0 * coexistence: how 6= tsch network can operate in the presence of similar
=A0 =A0 =A0 =A0 =A0 TSCH (ISA100= .11a,Whart). make cohexistence simpler. interoperability
<= font face=3D"courier new, monospace">=A0 =A0 =A0 =A0 =A0 testing.
=A0 =A0 =A0 =A0 * applicabili= ty statement. How it answer the requirements.
=A0 =A0 * [Thomas] do we put sec= urity as a work item or do we integrate it on
=A0 =A0 =A0 =A0 each work item?
=A0 =A0 * [Pascal] Could be part of= the architecture
=A0 =A0 * [Tom] if security is e= verywhere put it at every work item.
=A0 =A0 * [Thomas] Every document we generate needs to hav= e a security section.
=A0 =A0 =A0 We can create a sepa= rate work item in charter. Captured in
=A0 =A0 * Milestone dates:
=A0 =A0 =A0 =A0 * too ear= ly for that, let's wait
=A0 =A0 * [Pascal] What should be doing now thinking on the BOF in = Berlin?
=A0 =A0 * [Ted] Having the chart= er ready for Berlin is good.
=A0 =A0 * [Adrian]
=A0 =A0 =A0 =A0 * Instead of milestones and dates, put work items i= n chronological
=A0 =A0 =A0 =A0 =A0 order better= .
=A0 =A0 =A0 =A0 * = Work out what is missing, and clean up the drafts.
=A0 =A0 =A0 =A0 * Work out what you want to = do in the BoF. Plan the agenda. Describe
=A0 =A0 =A0 =A0 =A0 the environm= ent,etc. Do a good planning is what would help on the
=A0 =A0 =A0 =A0 =A0 BoF acceptance.
=A0 =A0 =A0 =A0 * You wil= l get questions about deployment use cases. Why would people=A0
=A0 =A0 =A0 =A0 =A0 want to run = IP on that particular IEEE networks. Rather than what
=A0 =A0 =A0 =A0 =A0 could be done, answer= what the needs are.
=A0 =A0 =A0 =A0 * Good starting = points:
=A0 =A0 =A0 = =A0 =A0 =A0 * http://trac.tools.ietf.org/bof/trac/
=A0 =A0 =A0 =A0 =A0 =A0 * RFC543= 4
=A0 =A0 =A0 =A0 = =A0 =A0 * RFC6771
* = [09.15] meeting ends
--e89a8ffba0015a7ffe04da74cf4a-- From alexandru.petrescu@gmail.com Tue Apr 16 03:01:15 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 461E021F962B for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 03:01:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.249 X-Spam-Level: X-Spam-Status: No, score=-10.249 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HELO_EQ_FR=0.35, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rzHpSZ7mt-mk for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 03:01:14 -0700 (PDT) Received: from oxalide-out.extra.cea.fr (oxalide-out.extra.cea.fr [132.168.224.8]) by ietfa.amsl.com (Postfix) with ESMTP id 55D8021F9624 for <6tsch@ietf.org>; Tue, 16 Apr 2013 03:01:14 -0700 (PDT) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by oxalide.extra.cea.fr (8.14.2/8.14.2/CEAnet-Internet-out-2.3) with ESMTP id r3GA17JL010146 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 16 Apr 2013 12:01:07 +0200 Received: from muguet2.intra.cea.fr (muguet2.intra.cea.fr [132.166.192.7]) by pisaure.intra.cea.fr (8.14.4/8.14.4) with ESMTP id r3GA16DL018182; Tue, 16 Apr 2013 12:01:07 +0200 (envelope-from alexandru.petrescu@gmail.com) Received: from [127.0.0.1] (is010446-4.intra.cea.fr [10.8.33.116]) by muguet2.intra.cea.fr (8.13.8/8.13.8/CEAnet-Intranet-out-1.2) with ESMTP id r3GA11tm030962; Tue, 16 Apr 2013 12:01:06 +0200 Message-ID: <516D215D.2000601@gmail.com> Date: Tue, 16 Apr 2013 12:01:01 +0200 From: Alexandru Petrescu User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130328 Thunderbird/17.0.5 MIME-Version: 1.0 To: Thomas Watteyne References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Cc: 6tsch@ietf.org Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Apr 2013 10:01:15 -0000 Le 16/04/2013 08:51, Thomas Watteyne a écrit : [...] > on draft charter [Thomas] * Thomas presents latest version of the > draft charter * available at > https://bitbucket.org/6tsch/charter-ietf-6tsch/src Just curious... One of the main items suggested is an 'Adaptation Layer'. > Produce "6tus Adaptation Layer Specification" to define the operation > of the adaptation layer between the 6LoWPAN/RPL networking layer and > the IEEE802.15.4e TSCH MAC layer. But there exists already an Adaptation Layer for 802.15.4 in section 5 "LoWPAN Adaptation Layer and Frame Format" of RFC 4944 "IPv6 over 802.15.4". Is there a relationship between these? Alex From mcr@sandelman.ca Tue Apr 16 06:42:43 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 73C6F21F92C9 for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 06:42:43 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wMBFKEpU3eJk for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 06:42:42 -0700 (PDT) Received: from tuna.sandelman.ca (unknown [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) by ietfa.amsl.com (Postfix) with ESMTP id B156521F92C0 for <6tsch@ietf.org>; Tue, 16 Apr 2013 06:42:42 -0700 (PDT) Received: from sandelman.ca (desk.marajade.sandelman.ca [209.87.252.247]) by tuna.sandelman.ca (Postfix) with ESMTP id 31E5020168; Tue, 16 Apr 2013 09:52:37 -0400 (EDT) Received: by sandelman.ca (Postfix, from userid 179) id 4CE63639D9; Tue, 16 Apr 2013 09:42:13 -0400 (EDT) Received: from sandelman.ca (localhost [127.0.0.1]) by sandelman.ca (Postfix) with ESMTP id 38839638E4; Tue, 16 Apr 2013 09:42:13 -0400 (EDT) From: Michael Richardson To: IETF 6TSCH <6tsch@ietf.org> In-Reply-To: References: X-Mailer: MH-E 8.3; nmh 1.3-dev; XEmacs 21.4 (patch 22) X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Sender: mcr@sandelman.ca Cc: Thomas Watteyne , Adrian Farrel Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Apr 2013 13:42:43 -0000 --=-=-= Content-Transfer-Encoding: quoted-printable >>>>> "Thomas" =3D=3D Thomas Watteyne writes: Thomas> * Thomas will proxy comments from Michael richardson, who Thomas> could not be at the webex. Thank you... but, it's unclear to me which items you relayed. Thomas> * 6tus layer: adaptation layer. Michel suggests that bootstrapi= ng is Thomas> too generic. This suggestion is captured in Thomas> https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/2 yes, that was me. s/Michel/Michael/ My other question, which I wanted an opinion was whether it made sense for 6tsch to adopt the industrial applicability statement, or whether the "best effort" part of the industrial uses should remain in ROLL. =2D-=20 ] Never tell me the odds! | ipv6 mesh network= s [=20 ] Michael Richardson, Sandelman Software Works | network architect= [=20 ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails = [=20 =09 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQCVAwUAUW1VNYqHRg3pndX9AQJyhAP/Ti8zb2Q7ngYzS0iTSVypfiuEK56SCfa5 HFV7+EnawQnElrvHGNZSa9F2u04r6DaSHRHALh8h6et/rnIFL1uuruhyPetr5iXM DdX1lgxiroD+ElxhthOyax0ej9p7zS2j7CHRI3C67ZAhIvDE0lC81oORejSnUh3n 1jd884HghTc= =ZX4A -----END PGP SIGNATURE----- --=-=-=-- From qinwang@berkeley.edu Tue Apr 16 06:46:58 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A792A21F9728 for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 06:46:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TfiA4mq6ip2u for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 06:46:56 -0700 (PDT) Received: from cm05fe.IST.Berkeley.EDU (cm05fe.IST.Berkeley.EDU [169.229.218.146]) by ietfa.amsl.com (Postfix) with ESMTP id C3D2B21F9727 for <6tsch@ietf.org>; Tue, 16 Apr 2013 06:46:56 -0700 (PDT) Received: from cm03ws.ist.berkeley.edu ([169.229.218.165] helo=calmail.berkeley.edu) by cm05fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth login:qinwang@berkeley.edu) (envelope-from ) id 1US6Dk-0004s6-JC; Tue, 16 Apr 2013 06:46:54 -0700 Received: from 58.247.120.150 (SquirrelMail authenticated user qinwang@berkeley.edu) by calmail.berkeley.edu with HTTP; Tue, 16 Apr 2013 06:46:53 -0700 Message-ID: In-Reply-To: <516D215D.2000601@gmail.com> References: <516D215D.2000601@gmail.com> Date: Tue, 16 Apr 2013 06:46:53 -0700 From: "Qin Wang" To: "Alexandru Petrescu" User-Agent: SquirrelMail/1.4.21-2.berkeley MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: Thomas Watteyne , 6tsch@ietf.org Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Apr 2013 13:46:58 -0000 Hi Alex, My understanding is for 802.15.4 only LoWPAN Adaptation layer is enough. But for 802.15.4e TSCH, another adaptation layer is also needed, because the schedule of TSCH has to been filled by someone instead of TSCH itself. Thought? Qin > Le 16/04/2013 08:51, Thomas Watteyne a écrit : > [...] >> on draft charter [Thomas] * Thomas presents latest version of the >> draft charter * available at >> https://bitbucket.org/6tsch/charter-ietf-6tsch/src > > Just curious... > > One of the main items suggested is an 'Adaptation Layer'. > >> Produce "6tus Adaptation Layer Specification" to define the operation >> of the adaptation layer between the 6LoWPAN/RPL networking layer and >> the IEEE802.15.4e TSCH MAC layer. > > But there exists already an Adaptation Layer for 802.15.4 in section 5 > "LoWPAN Adaptation Layer and Frame Format" of RFC 4944 "IPv6 over > 802.15.4". > > Is there a relationship between these? > > Alex > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > From mcr@sandelman.ca Tue Apr 16 06:47:15 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BD15421F972B for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 06:47:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id seDAn6l2lEHX for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 06:47:15 -0700 (PDT) Received: from tuna.sandelman.ca (unknown [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) by ietfa.amsl.com (Postfix) with ESMTP id CE6E721F9706 for <6tsch@ietf.org>; Tue, 16 Apr 2013 06:47:14 -0700 (PDT) Received: from sandelman.ca (obiwan.sandelman.ca [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id 1A7F02016D; Tue, 16 Apr 2013 09:57:15 -0400 (EDT) Received: by sandelman.ca (Postfix, from userid 179) id BE632639D9; Tue, 16 Apr 2013 09:46:51 -0400 (EDT) Received: from sandelman.ca (localhost [127.0.0.1]) by sandelman.ca (Postfix) with ESMTP id A77DE638E4; Tue, 16 Apr 2013 09:46:51 -0400 (EDT) From: Michael Richardson To: Alexandru Petrescu In-Reply-To: <516D215D.2000601@gmail.com> References: <516D215D.2000601@gmail.com> X-Mailer: MH-E 8.3; nmh 1.3-dev; XEmacs 21.4 (patch 22) X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Sender: mcr@sandelman.ca Cc: Thomas Watteyne , 6tsch@ietf.org Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Apr 2013 13:47:16 -0000 --=-=-= Content-Transfer-Encoding: quoted-printable >>>>> "Alexandru" =3D=3D Alexandru Petrescu = writes: >> on draft charter [Thomas] * Thomas presents latest version of the >> draft charter * available at >> https://bitbucket.org/6tsch/charter-ietf-6tsch/src Alexandru> Just curious... Alexandru> One of the main items suggested is an 'Adaptation Layer'. >> Produce "6tus Adaptation Layer Specification" to define the operation >> of the adaptation layer between the 6LoWPAN/RPL networking layer and >> the IEEE802.15.4e TSCH MAC layer. Alexandru> But there exists already an Adaptation Layer for 802.15.4 Alexandru> in section 5=20 Alexandru> "LoWPAN Adaptation Layer and Frame Format" of RFC 4944 Alexandru> "IPv6 over 802.15.4".=20 Alexandru> Is there a relationship between these? I believe that calling 6tus an "adaptation layer" is an incorrect and confusing statement. While there is some protocol required for setting up the schedules (the PCE link), and some protocol may be needed to discover/record the route which requires bandwidth (NSIS/RSVP), once they are set up, my understanding is that the bits on the wire for a 15.4e communication will be identical to a 15.4.=20=20 What will differ is when the bits are communicated and possibly how they are routed. So 6tus is really a standardized set of API requirements between the MAC layer and a routing layer (RPL) that permits the routing layer to understand and/or specify the constraints/features of the schedule. I think that an outcome could be in RPL metrics, but this is not a consensus opinion at this point. =2D-=20 ] Never tell me the odds! | ipv6 mesh network= s [=20 ] Michael Richardson, Sandelman Software Works | network architect= [=20 ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails = [=20 =09 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQCVAwUAUW1WS4qHRg3pndX9AQLizAQArmr7qHpRX0NkjUsbkKQh9XQwRgBLxqXr nRq7ALDm52mchhqUSqsIoZp1hQ2hA5z49sYSlTVcz9Lk1GLKC6+eD7gM1VyYQGu5 TZXZdBTfbs1dqzYRBbkgPmT7IaP7ysHa93sFx2rwymSUiLPkROa0/fhbhzqpYJsN y6CiZx0EzLM= =72Ax -----END PGP SIGNATURE----- --=-=-=-- From qinwang@berkeley.edu Tue Apr 16 07:06:28 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 847BE21F9725 for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 07:06:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TwBQogKqOv9v for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 07:06:27 -0700 (PDT) Received: from cm03fe.IST.Berkeley.EDU (cm03fe.IST.Berkeley.EDU [169.229.218.144]) by ietfa.amsl.com (Postfix) with ESMTP id C55DC21F9722 for <6tsch@ietf.org>; Tue, 16 Apr 2013 07:06:27 -0700 (PDT) Received: from cm03ws.ist.berkeley.edu ([169.229.218.165] helo=calmail.berkeley.edu) by cm03fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth login:qinwang@berkeley.edu) (envelope-from ) id 1US6Wf-000835-C6; Tue, 16 Apr 2013 07:06:26 -0700 Received: from 58.247.120.150 (SquirrelMail authenticated user qinwang@berkeley.edu) by calmail.berkeley.edu with HTTP; Tue, 16 Apr 2013 07:06:25 -0700 Message-ID: <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> In-Reply-To: <18653.1366120011@sandelman.ca> References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> Date: Tue, 16 Apr 2013 07:06:25 -0700 From: "Qin Wang" To: "Michael Richardson" User-Agent: SquirrelMail/1.4.21-2.berkeley MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: Thomas Watteyne , Alexandru Petrescu , 6tsch@ietf.org Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Apr 2013 14:06:28 -0000 Hi Michael, Can you explain more about the difference between "adaptation layer" and "standardized set of API"? IMHO, if a message exchange protocol between two nodes is involved, "layer" is suitable; if only a device self is involved, "API" is suitable. Make sense? Qin > >>>>>> "Alexandru" == Alexandru Petrescu >>>>>> writes: > >> on draft charter [Thomas] * Thomas presents latest version of the > >> draft charter * available at > >> https://bitbucket.org/6tsch/charter-ietf-6tsch/src > > Alexandru> Just curious... > > Alexandru> One of the main items suggested is an 'Adaptation Layer'. > > >> Produce "6tus Adaptation Layer Specification" to define the > operation > >> of the adaptation layer between the 6LoWPAN/RPL networking layer > and > >> the IEEE802.15.4e TSCH MAC layer. > > Alexandru> But there exists already an Adaptation Layer for 802.15.4 > Alexandru> in section 5 > Alexandru> "LoWPAN Adaptation Layer and Frame Format" of RFC 4944 > Alexandru> "IPv6 over 802.15.4". > > Alexandru> Is there a relationship between these? > > I believe that calling 6tus an "adaptation layer" is an incorrect > and confusing statement. While there is some protocol required for > setting up the schedules (the PCE link), and some protocol may be needed > to discover/record the route which requires bandwidth (NSIS/RSVP), once > they are set up, my understanding is that the bits on the wire for a > 15.4e communication will be identical to a 15.4. > > What will differ is when the bits are communicated and possibly how > they are routed. > > So 6tus is really a standardized set of API requirements between the MAC > layer and a routing layer (RPL) that permits the routing layer to > understand and/or specify the constraints/features of the schedule. > > I think that an outcome could be in RPL metrics, but this is not a > consensus opinion at this point. > > -- > ] Never tell me the odds! | ipv6 mesh > networks [ > ] Michael Richardson, Sandelman Software Works | network > architect [ > ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails > [ > > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > From qinwang@berkeley.edu Tue Apr 16 07:06:30 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id ABB0721F9759 for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 07:06:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qKwhudtJwT2R for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 07:06:30 -0700 (PDT) Received: from cm04fe.IST.Berkeley.EDU (cm04fe.IST.Berkeley.EDU [169.229.218.145]) by ietfa.amsl.com (Postfix) with ESMTP id 7FA8921F973F for <6tsch@ietf.org>; Tue, 16 Apr 2013 07:06:30 -0700 (PDT) Received: from cm03ws.ist.berkeley.edu ([169.229.218.165] helo=calmail.berkeley.edu) by cm04fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth login:qinwang@berkeley.edu) (envelope-from ) id 1US6Wi-0000e1-Eo; Tue, 16 Apr 2013 07:06:29 -0700 Received: from 58.247.120.150 (SquirrelMail authenticated user qinwang@berkeley.edu) by calmail.berkeley.edu with HTTP; Tue, 16 Apr 2013 07:06:28 -0700 Message-ID: In-Reply-To: <18653.1366120011@sandelman.ca> References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> Date: Tue, 16 Apr 2013 07:06:28 -0700 From: "Qin Wang" To: "Michael Richardson" User-Agent: SquirrelMail/1.4.21-2.berkeley MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: Thomas Watteyne , Alexandru Petrescu , 6tsch@ietf.org Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Apr 2013 14:06:30 -0000 Hi Michael, Can you explain more about the difference between "adaptation layer" and "standardized set of API"? IMHO, if a message exchange protocol between two nodes is involved, "layer" is suitable; if only a device self is involved, "API" is suitable. Make sense? Qin > >>>>>> "Alexandru" == Alexandru Petrescu >>>>>> writes: > >> on draft charter [Thomas] * Thomas presents latest version of the > >> draft charter * available at > >> https://bitbucket.org/6tsch/charter-ietf-6tsch/src > > Alexandru> Just curious... > > Alexandru> One of the main items suggested is an 'Adaptation Layer'. > > >> Produce "6tus Adaptation Layer Specification" to define the > operation > >> of the adaptation layer between the 6LoWPAN/RPL networking layer > and > >> the IEEE802.15.4e TSCH MAC layer. > > Alexandru> But there exists already an Adaptation Layer for 802.15.4 > Alexandru> in section 5 > Alexandru> "LoWPAN Adaptation Layer and Frame Format" of RFC 4944 > Alexandru> "IPv6 over 802.15.4". > > Alexandru> Is there a relationship between these? > > I believe that calling 6tus an "adaptation layer" is an incorrect > and confusing statement. While there is some protocol required for > setting up the schedules (the PCE link), and some protocol may be needed > to discover/record the route which requires bandwidth (NSIS/RSVP), once > they are set up, my understanding is that the bits on the wire for a > 15.4e communication will be identical to a 15.4. > > What will differ is when the bits are communicated and possibly how > they are routed. > > So 6tus is really a standardized set of API requirements between the MAC > layer and a routing layer (RPL) that permits the routing layer to > understand and/or specify the constraints/features of the schedule. > > I think that an outcome could be in RPL metrics, but this is not a > consensus opinion at this point. > > -- > ] Never tell me the odds! | ipv6 mesh > networks [ > ] Michael Richardson, Sandelman Software Works | network > architect [ > ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails > [ > > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > From mcr@sandelman.ca Tue Apr 16 08:18:49 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B705021F8E94 for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 08:18:49 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tJWiS29pSt8M for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 08:18:47 -0700 (PDT) Received: from tuna.sandelman.ca (unknown [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) by ietfa.amsl.com (Postfix) with ESMTP id 8D1AB21F8F44 for <6tsch@ietf.org>; Tue, 16 Apr 2013 08:18:47 -0700 (PDT) Received: from sandelman.ca (desk.marajade.sandelman.ca [209.87.252.247]) by tuna.sandelman.ca (Postfix) with ESMTP id 51F2120168; Tue, 16 Apr 2013 11:28:46 -0400 (EDT) Received: by sandelman.ca (Postfix, from userid 179) id AD7C1639D9; Tue, 16 Apr 2013 11:18:22 -0400 (EDT) Received: from sandelman.ca (localhost [127.0.0.1]) by sandelman.ca (Postfix) with ESMTP id 9A023638E4; Tue, 16 Apr 2013 11:18:22 -0400 (EDT) From: Michael Richardson To: "Qin Wang" In-Reply-To: <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> X-Mailer: MH-E 8.3; nmh 1.3-dev; XEmacs 21.4 (patch 22) X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Sender: mcr@sandelman.ca Cc: Thomas Watteyne , Alexandru Petrescu , 6tsch@ietf.org Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Apr 2013 15:18:49 -0000 --=-=-= Content-Transfer-Encoding: quoted-printable >>>>> "Qin" =3D=3D Qin Wang writes: Qin> Can you explain more about the difference between "adaptation Qin> layer" and=20 Qin> "standardized set of API"? If you look at a picture of a protocol stack, "IP" is for instance, an adaptation layer between TCP and Ethernet. You can see it because there are bits in the packet. 6lowpan is an adaptation layer, because it tells you how to split up large IP packets into multiple 15.4 frames. 6tus will connect two parts that are inside the node, and won't reach outside the node. Qin> IMHO, if a message exchange protocol between two nodes is involved, Qin> "layer" is suitable; if only a device self is involved, "API" Qin> is suitable.=20 Please point to the message exchange protocol which will be used on every packet. (Not just the control protocol) =2D-=20 ] Never tell me the odds! | ipv6 mesh network= s [=20 ] Michael Richardson, Sandelman Software Works | network architect= [=20 ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails = [=20 =09 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQCVAwUAUW1rvoqHRg3pndX9AQI7wwP/a1QtMVm6Yc6AdZ+ugKisqdIq82GvH9lw Dw5k5vcrHzfQfNYM0XiTVLAWmXnJvOucNE3VrnUq1i6UwV4O433158lc+yGbStam H9lo1ctLgsXol5H1rttZRZNhT2wDKOGrDPYAaSnZSx/OoH6wNj41TUUWo/LhhXIL HbgC0dKk+ZY= =3gcI -----END PGP SIGNATURE----- --=-=-=-- From qinwang@berkeley.edu Tue Apr 16 17:49:58 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5871C21F979B for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 17:49:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tE1Jujd3FR0d for <6tsch@ietfa.amsl.com>; Tue, 16 Apr 2013 17:49:57 -0700 (PDT) Received: from cm01fe.IST.Berkeley.EDU (cm01fe.IST.Berkeley.EDU [169.229.218.142]) by ietfa.amsl.com (Postfix) with ESMTP id B124B21F9790 for <6tsch@ietf.org>; Tue, 16 Apr 2013 17:49:57 -0700 (PDT) Received: from cm01ws.ist.berkeley.edu ([169.229.218.163] helo=calmail.berkeley.edu) by cm01fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth login:qinwang@berkeley.edu) (envelope-from ) id 1USGZP-0006Fx-63; Tue, 16 Apr 2013 17:49:57 -0700 Received: from 103.8.222.42 (SquirrelMail authenticated user qinwang@berkeley.edu) by calmail.berkeley.edu with HTTP; Tue, 16 Apr 2013 17:49:55 -0700 Message-ID: <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> In-Reply-To: <3191.1366125502@sandelman.ca> References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> <3191.1366125502@sandelman.ca> Date: Tue, 16 Apr 2013 17:49:55 -0700 From: "Qin Wang" To: "Michael Richardson" User-Agent: SquirrelMail/1.4.21-2.berkeley MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: Thomas Watteyne , Alexandru Petrescu , 6tsch@ietf.org, Qin Wang Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Apr 2013 00:49:58 -0000 Michael, >From your email, my understanding is if there are bits in packet and reach outside the node, "Layer" should be more suitable. Correct? In the current version of 6tus, both hard cell and soft cell are introduced. For reserving a cell in a schedule, especially soft cell, message exchanges between one-hop neighbors are needed. It is implemented with Information Elements (IE) in packet. In another word, you can see specific bits in packet, and also reaching outside a node. So, I don't understand why you think "API", instead of "Adaptation Layer", is suitable for the case. Did I miss something? Can you explain more? Qin > >>>>>> "Qin" == Qin Wang writes: > Qin> Can you explain more about the difference between "adaptation > Qin> layer" and > Qin> "standardized set of API"? > > If you look at a picture of a protocol stack, "IP" is for instance, an > adaptation layer between TCP and Ethernet. You can see it because there > are bits in the packet. > > 6lowpan is an adaptation layer, because it tells you how to split up > large IP packets into multiple 15.4 frames. > > 6tus will connect two parts that are inside the node, and won't reach > outside the node. > > Qin> IMHO, if a message exchange protocol between two nodes is > involved, > Qin> "layer" is suitable; if only a device self is involved, "API" > Qin> is suitable. > > Please point to the message exchange protocol which will be used on > every packet. (Not just the control protocol) > > -- > ] Never tell me the odds! | ipv6 mesh > networks [ > ] Michael Richardson, Sandelman Software Works | network > architect [ > ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails > [ > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > From pthubert@cisco.com Wed Apr 17 04:38:05 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DA7FA21F88B9 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 04:38:05 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.599 X-Spam-Level: X-Spam-Status: No, score=-10.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9xlKfVFzely3 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 04:38:02 -0700 (PDT) Received: from rcdn-iport-1.cisco.com (rcdn-iport-1.cisco.com [173.37.86.72]) by ietfa.amsl.com (Postfix) with ESMTP id 221BE21F881C for <6tsch@ietf.org>; Wed, 17 Apr 2013 04:38:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=2879; q=dns/txt; s=iport; t=1366198682; x=1367408282; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=W6AYjhn7E/rz3XwGn/fiIepA/mTVd2tMkMe/nzLBMHs=; b=IZRaojQfPKPtNn7c85NY+t3OeGp9yTwBKmJZiJlPwTZ4bW6HK3V8IAp+ InVnXAouhweziSk82uJC/I39Wt97TtNCoErL3JXPrQ1eMzNx8idovdaNo tI3+xl1eQaEjUZR1iyX4hMtquu+v3JG8CF1sS55RRBaaG9Lb0fjVaXJoz o=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AhQFAGKIblGtJXG9/2dsb2JhbABQDoJ4NsEMgQUWdIIfAQEBBAEBATc0CwwEAgEIEQQBAQsUCQcnCxQJCAIEAQ0FCIgMDL0ijViBESYLBwaCX2EDqBqCTD+BczU X-IronPort-AV: E=Sophos;i="4.87,492,1363132800"; d="scan'208";a="199544767" Received: from rcdn-core2-2.cisco.com ([173.37.113.189]) by rcdn-iport-1.cisco.com with ESMTP; 17 Apr 2013 11:37:34 +0000 Received: from xhc-aln-x15.cisco.com (xhc-aln-x15.cisco.com [173.36.12.89]) by rcdn-core2-2.cisco.com (8.14.5/8.14.5) with ESMTP id r3HBbYnc014768 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Wed, 17 Apr 2013 11:37:34 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.56]) by xhc-aln-x15.cisco.com ([173.36.12.89]) with mapi id 14.02.0318.004; Wed, 17 Apr 2013 06:37:33 -0500 From: "Pascal Thubert (pthubert)" To: Qin Wang , Michael Richardson Thread-Topic: [6tsch] minutes WebEx 12 April 2013 Thread-Index: AQHOOwV+PP/KaApfJEGiY7fJcwmbu5jaSC0A Date: Wed, 17 Apr 2013 11:37:33 +0000 Deferred-Delivery: Wed, 17 Apr 2013 11:37:00 +0000 Message-ID: References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> <3191.1366125502@sandelman.ca> <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> In-Reply-To: <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [144.254.201.12] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: Thomas Watteyne , Alexandru Petrescu , "6tsch@ietf.org" <6tsch@ietf.org> Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Apr 2013 11:38:06 -0000 Hi Michael: The action of the 6TUS scheduler is actually visible from the outside if oi= ne observes which frame ends up in which time slot. 6TUS will probably emulate GMPLS and switch from a time slot to another. Th= is will also be visible and verifiable from the outside. So will the 6TUS to 6TUS communication to establish and maintain time slots= between peers. For all I know, this is a real layer. How would you call it? Pascal -----Original Message----- From: 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] On Behalf Of Q= in Wang Sent: mercredi 17 avril 2013 02:50 To: Michael Richardson Cc: Thomas Watteyne; Alexandru Petrescu; 6tsch@ietf.org; Qin Wang Subject: Re: [6tsch] minutes WebEx 12 April 2013 Michael, >From your email, my understanding is if there are bits in packet and reach = outside the node, "Layer" should be more suitable. Correct? In the current version of 6tus, both hard cell and soft cell are introduced= . For reserving a cell in a schedule, especially soft cell, message exchang= es between one-hop neighbors are needed. It is implemented with Information= Elements (IE) in packet. In another word, you can see specific bits in pac= ket, and also reaching outside a node. So, I don't understand why you think= "API", instead of "Adaptation Layer", is suitable for the case. Did I miss something? Can you explain more? Qin > >>>>>> "Qin" =3D=3D Qin Wang writes: > Qin> Can you explain more about the difference between "adaptation > Qin> layer" and > Qin> "standardized set of API"? > > If you look at a picture of a protocol stack, "IP" is for instance, an=20 > adaptation layer between TCP and Ethernet. You can see it because=20 > there are bits in the packet. > > 6lowpan is an adaptation layer, because it tells you how to split up=20 > large IP packets into multiple 15.4 frames. > > 6tus will connect two parts that are inside the node, and won't reach=20 > outside the node. > > Qin> IMHO, if a message exchange protocol between two nodes is=20 > involved, > Qin> "layer" is suitable; if only a device self is involved, "API" > Qin> is suitable. > > Please point to the message exchange protocol which will be used on=20 > every packet. (Not just the control protocol) > > -- > ] Never tell me the odds! | ipv6 mesh > networks [ > ] Michael Richardson, Sandelman Software Works | network > architect [ > ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails > [ > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > _______________________________________________ 6tsch mailing list 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch From mcr@sandelman.ca Wed Apr 17 06:15:50 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6771621F8D86 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 06:15:50 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[AWL=0.000, BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kZKOhmOg0RZ4 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 06:15:49 -0700 (PDT) Received: from tuna.sandelman.ca (unknown [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) by ietfa.amsl.com (Postfix) with ESMTP id 9AE0821F8E4E for <6tsch@ietf.org>; Wed, 17 Apr 2013 06:15:48 -0700 (PDT) Received: from sandelman.ca (desk.marajade.sandelman.ca [209.87.252.247]) by tuna.sandelman.ca (Postfix) with ESMTP id 345AC20168; Wed, 17 Apr 2013 09:25:52 -0400 (EDT) Received: by sandelman.ca (Postfix, from userid 179) id 2F0F0639DD; Wed, 17 Apr 2013 09:15:24 -0400 (EDT) Received: from sandelman.ca (localhost [127.0.0.1]) by sandelman.ca (Postfix) with ESMTP id 188F1639D7; Wed, 17 Apr 2013 09:15:24 -0400 (EDT) From: Michael Richardson To: "Qin Wang" In-Reply-To: <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> <3191.1366125502@sandelman.ca> <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> X-Mailer: MH-E 8.3; nmh 1.3-dev; XEmacs 21.4 (patch 22) X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Sender: mcr@sandelman.ca Cc: Thomas Watteyne , Alexandru Petrescu , 6tsch@ietf.org Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Apr 2013 13:15:50 -0000 --=-=-= Content-Transfer-Encoding: quoted-printable >>>>> "Qin" =3D=3D Qin Wang writes: Qin> In the current version of 6tus, both hard cell and soft cell Qin> are introduced. For reserving a cell in a schedule, especially Qin> soft cell, message exchanges between one-hop neighbors are Qin> needed. It is implemented with Information Elements (IE) in Qin> packet. In another word, you can see specific bits in packet, In every single data packet? The same way that the IP header shows up underneath every single TCP packet? =2D-=20 Michael Richardson , Sandelman Software Works=20 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQCVAwUAUW6ga4qHRg3pndX9AQIMTwQAmmURb4s5N3gJTFFNxbRZ/GHKA2iYeXSM 4LfqaJECXFMcxlH2eQdseyFwIYurd/fYR2x8F78vWOildnA4Q0aKZIaNDP8WrLkT 2WFK++Yi2EASCbUfWopB1OM9lNaoPzehD0TGxzUb2Xsv9anYkDGMRTJMHLp044wo /j7Jm0nMZNM= =B3uP -----END PGP SIGNATURE----- --=-=-=-- From mcr@sandelman.ca Wed Apr 17 06:20:51 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3F3F121E803D for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 06:20:51 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lVjmt+mp21SJ for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 06:20:50 -0700 (PDT) Received: from tuna.sandelman.ca (unknown [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) by ietfa.amsl.com (Postfix) with ESMTP id 70F9721E8039 for <6tsch@ietf.org>; Wed, 17 Apr 2013 06:20:50 -0700 (PDT) Received: from sandelman.ca (obiwan.sandelman.ca [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id 3475020168; Wed, 17 Apr 2013 09:30:54 -0400 (EDT) Received: by sandelman.ca (Postfix, from userid 179) id C7D4B639DD; Wed, 17 Apr 2013 09:20:26 -0400 (EDT) Received: from sandelman.ca (localhost [127.0.0.1]) by sandelman.ca (Postfix) with ESMTP id AE740639D7; Wed, 17 Apr 2013 09:20:26 -0400 (EDT) From: Michael Richardson To: "6tsch@ietf.org" <6tsch@ietf.org>, "Pascal Thubert (pthubert)" In-Reply-To: References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> <3191.1366125502@sandelman.ca> <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> X-Mailer: MH-E 8.3; nmh 1.3-dev; XEmacs 21.4 (patch 22) X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Sender: mcr@sandelman.ca Cc: Thomas Watteyne , Alexandru Petrescu , Qin Wang Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Apr 2013 13:20:51 -0000 --=-=-= Content-Transfer-Encoding: quoted-printable >>>>> "pthubert" =3D=3D pthubert writes: pthubert> The action of the 6TUS scheduler is actually visible from pthubert> the outside if oine observes which frame ends up in which pthubert> time slot.=20=20 That's nice. The receiver doesn't need to know about the schedule=20 (assuming that it's always on). Look at this from a packet sniffer point of view. If it's an adaptation layer, then it needs to know it's there to skip it. If it's just a schedule, then there is nothing to know. pthubert> 6TUS will probably emulate GMPLS and switch pthubert> from a time slot to another. This will also be visible and pthubert> verifiable from the outside. So will the 6TUS to 6TUS pthubert> communication to establish and maintain time slots between pthubert> peers. For all I know, this is a real layer. How would pthubert> you call it? The thing to establish and maintain the time slots is a protocol. It could run over all sorts of transports. That stuff isn't present in, for instance, the packet that contains the CoAP traffic to turn on an actua= tor. =2D-=20 ] Never tell me the odds! | ipv6 mesh network= s [=20 ] Michael Richardson, Sandelman Software Works | network architect= [=20 ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails = [=20 =09 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQCVAwUAUW6hmoqHRg3pndX9AQJKWgQAgFIQ2FNBcLmpFzoOlhpP4vsnF3AJDqyJ fx5BqOsTD71L/+j1xrmCH1+cBdNxY7qJ7LYNQXLfFBsk5InE4K5R7u1kLDttSbmB ZHsuiqhwmPCXe4rsAmTHBNFwbq/AlcE1aNpitLdo8HoXU0XPvhzJ79JgQWLMdQ9l h3pmbCkKg5U= =iKrF -----END PGP SIGNATURE----- --=-=-=-- From tom.phinney@cox.net Wed Apr 17 11:45:53 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D636C21E8048 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 11:45:53 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.541 X-Spam-Level: X-Spam-Status: No, score=-0.541 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, J_CHICKENPOX_32=0.6, MIME_HTML_ONLY=1.457] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Ne4exN+6TBFk for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 11:45:53 -0700 (PDT) Received: from fed1rmfepo202.cox.net (fed1rmfepo202.cox.net [68.230.241.147]) by ietfa.amsl.com (Postfix) with ESMTP id 358A321E8047 for <6tsch@ietf.org>; Wed, 17 Apr 2013 11:45:53 -0700 (PDT) Received: from fed1rmimpo109 ([68.230.241.158]) by fed1rmfepo202.cox.net (InterMail vM.8.01.05.09 201-2260-151-124-20120717) with ESMTP id <20130417184552.CFNZ18627.fed1rmfepo202.cox.net@fed1rmimpo109> for <6tsch@ietf.org>; Wed, 17 Apr 2013 14:45:52 -0400 Received: from 192.168.1.250 ([68.106.19.170]) by fed1rmimpo109 with cox id R6ls1l00D3gAAro016lsUt; Wed, 17 Apr 2013 14:45:52 -0400 X-CT-Class: Clean X-CT-Score: 0.00 X-CT-RefID: str=0001.0A020208.516EEDE0.0190,ss=1,re=0.000,fgs=0 X-CT-Spam: 0 X-Authority-Analysis: v=2.0 cv=DJZRFVxb c=1 sm=1 a=mbYREmtDDBfCLQwKCHNpxg==:17 a=YkMd_PYDa9IA:10 a=G8Uczd0VNMoA:10 a=Wajolswj7cQA:10 a=IkcTkHD0fZMA:10 a=kviXuzpPAAAA:8 a=_gWrdZ20w2EA:10 a=nnt2wzX1dGT2_7lz8hgA:9 a=QEXdDO2ut3YA:10 a=_W_S_7VecoQA:10 a=Mu79UxjxcOuVtjTc:21 a=RXijCOltLWQWUjuZ:21 a=MBTVw_2f9Mz6L3Rt:21 a=mbYREmtDDBfCLQwKCHNpxg==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none Message-ID: <516EEDE0.8080402@cox.net> Date: Wed, 17 Apr 2013 11:45:52 -0700 From: Tom Phinney User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.11) Gecko/20101013 Thunderbird/3.1.5 MIME-Version: 1.0 To: "6tsch@ietf.org" <6tsch@ietf.org> X-Enigmail-Version: 1.1.1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [6tsch] layering vs protocols X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: Tom Phinney List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Apr 2013 18:45:53 -0000 I'd like to support Michael Richardson's view on this subject. Consider a standard IPv4 or IPv6 protocol stack, with some kind of PHY+DL for moving bytes between physically separated devices, IPv4 or IPv6 for routing, UDP or TCP (etc) for data conveyance, and various application protocols that use those lower layers to transport information between those applications. In diagramatic form, where the numbers are the layers of the OSI reference model, what we usually see is

+--------------------------------+
|      Application protocols     | 7
+--------------------------------+
|       End-to-end transport     | 4
+--------------------------------+
|   Routing (packet switching)   | 3
+--------------------------------+
| Point-to-point data conveyance | 2
+--------------------------------+
|    Physical symbol signaling   | 1
+--------------------------------+

It is possible to add a sublayer to any of these, either above or below the primary layer. For example, one could add forward error correction between layers 1 and 2, or 6LoWPAN subrouting between layers 2 and 3, or actively-redundant multi-path transmission for diversity between layers 3 and 4, or fountain coding of multicast messaging between layers 4 and 7.

When any such sublayer is present there must be information in the PDUs (protocol data units) that are sent and received by a layer to indicate whether the sublayer is to be invoked, or not. That information could take the form of explicit symbols in the layer PDU (i.e., bit fields or code points when at layer 2 or above), or it could be associated by configuration with specific destination or source address information contained within the PDU.

By way of analogy, HTML that is to be exchanged between humans might specify the human language in which the message is written (e.g, use of XML to designate the language) or the language might be known by prior agreement based on the addressees. Many of us on this list read and write multiple languages, but by prior agreement we use US or UK English for postings to this list.

When considering the protocol stack shown in the above figure, or of any derived stack that also contains additional sublayers, those layers and sublayers often require management, both before and during use. Thus there will be management protocols for those layers and sublayers. Those management protocols do not themselves constitute additional sublayers, even though packet sniffing will produce evidence of their use, and may often find PDUs at some layer that contain specific messaging for a management protocol.

-Tom
From pieter@demil.be Wed Apr 17 15:40:29 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7CAF521E80E5 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 15:40:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.598 X-Spam-Level: X-Spam-Status: No, score=-6.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oymW1MELvRX0 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 15:40:28 -0700 (PDT) Received: from smtp3.ugent.be (smtp3.ugent.be [157.193.49.127]) by ietfa.amsl.com (Postfix) with ESMTP id 74C1721E80E1 for <6tsch@ietf.org>; Wed, 17 Apr 2013 15:40:26 -0700 (PDT) Received: from localhost (mcheck2.ugent.be [157.193.49.249]) by smtp3.ugent.be (Postfix) with ESMTP id 65B2CC499 for <6tsch@ietf.org>; Thu, 18 Apr 2013 00:40:25 +0200 (CEST) X-Virus-Scanned: by UGent DICT Received: from smtp3.ugent.be ([157.193.49.127]) by localhost (mcheck2.UGent.be [157.193.43.11]) (amavisd-new, port 10024) with ESMTP id WaUaQIRfZVd9 for <6tsch@ietf.org>; Thu, 18 Apr 2013 00:40:25 +0200 (CEST) Received: from [192.168.1.7] (139.236-242-81.adsl-dyn.isp.belgacom.be [81.242.236.139]) (Authenticated sender: pdemil) by smtp3.ugent.be (Postfix) with ESMTPSA id C0BB6C4A6 for <6tsch@ietf.org>; Thu, 18 Apr 2013 00:40:24 +0200 (CEST) Message-ID: <516F24D7.7050605@demil.be> Date: Thu, 18 Apr 2013 00:40:23 +0200 From: Pieter De Mil User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.11pre) Gecko/20100916 Lightning/1.0b2 Shredder/3.1.5pre MIME-Version: 1.0 To: 6tsch@ietf.org References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> <3191.1366125502@sandelman.ca> <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> <17934.1366204523@sandelman.ca> In-Reply-To: <17934.1366204523@sandelman.ca> Content-Type: multipart/alternative; boundary="------------080309010100000204050905" X-Miltered: at jchkm3 with ID 516F24D8.003 by Joe's j-chkmail (http://helpdesk.ugent.be/email/)! X-j-chkmail-Enveloppe: 516F24D8.003 from 139.236-242-81.adsl-dyn.isp.belgacom.be/139.236-242-81.adsl-dyn.isp.belgacom.be/81.242.236.139/[192.168.1.7]/ X-j-chkmail-Score: MSGID : 516F24D8.003 on smtp3.ugent.be : j-chkmail score : . : R=. U=. O=# B=0.000 -> S=0.083 X-j-chkmail-Status: Ham Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Apr 2013 22:40:29 -0000 This is a multi-part message in MIME format. --------------080309010100000204050905 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/17/13 15:15, Michael Richardson wrote: > > Qin> In the current version of 6tus, both hard cell and soft cell > Qin> are introduced. For reserving a cell in a schedule, especially > Qin> soft cell, message exchanges between one-hop neighbors are > Qin> needed. It is implemented with Information Elements (IE) in > Qin> packet. In another word, you can see specific bits in packet, > > In every single data packet? > The same way that the IP header shows up underneath every single TCP > packet? Hi, 6tus will not add headers to data packets (data plane), IEEE 802.15.4e-TSCH (aka the MAC or data link layer) will set its header. For control packets, you'll see the Information Elements in the control packets. I agree that it's not an "adaptation" *thing*, because we don't need to convert packets into something else. Adaptation of >L3 packets for IEEE 802.15.4 data link layer is already done by 6LoWPAN. IEEE802.15.4e uses the same max PHY packet size as IEEE802.15.4 does (127 bytes). Call it the "TSCH interface Specification for 6LoWPAN" (6TieS) because it will allow to interface between 6LoWPAN/RPL and a MAC mechanism (TSCH) only available in a specific link layer technology (i.e.. IEEE 802.15.4e). best regards, Pieter IBCN-iMinds --------------080309010100000204050905 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit On 04/17/13 15:15, Michael Richardson wrote: 

    Qin> In the current version of 6tus, both hard cell and soft cell
    Qin> are introduced. For reserving a cell in a schedule, especially
    Qin> soft cell, message exchanges between one-hop neighbors are
    Qin> needed. It is implemented with Information Elements (IE) in
    Qin> packet. In another word, you can see specific bits in packet,

In every single data packet?
The same way that the IP header shows up underneath every single TCP
packet?
Hi,

6tus will not add headers to data packets (data plane), IEEE 802.15.4e-TSCH (aka the MAC or data link layer) will set its header.

For control packets, you'll see the Information Elements in the control packets.

I agree that it's not an "adaptation" *thing*, because we don't need to convert packets into something else. Adaptation of >L3 packets for IEEE 802.15.4 data link layer is already done by 6LoWPAN. IEEE802.15.4e uses the same max PHY packet size as IEEE802.15.4 does (127 bytes).

Call it the "TSCH interface Specification for 6LoWPAN" (6TieS) because it will allow to interface between 6LoWPAN/RPL and a MAC mechanism (TSCH) only available in a specific link layer technology (i.e.. IEEE 802.15.4e).

best regards,
Pieter
IBCN-iMinds



--------------080309010100000204050905-- From twatteyne@gmail.com Wed Apr 17 22:49:51 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 317DD21F8F17 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 22:49:51 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.176 X-Spam-Level: X-Spam-Status: No, score=-2.176 tagged_above=-999 required=5 tests=[AWL=-0.200, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KnILGtxldXZ0 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 22:49:50 -0700 (PDT) Received: from mail-pd0-f179.google.com (mail-pd0-f179.google.com [209.85.192.179]) by ietfa.amsl.com (Postfix) with ESMTP id 26A1321F8ECA for <6tsch@ietf.org>; Wed, 17 Apr 2013 22:49:50 -0700 (PDT) Received: by mail-pd0-f179.google.com with SMTP id x11so1296420pdj.10 for <6tsch@ietf.org>; Wed, 17 Apr 2013 22:49:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; bh=ezzUgrY1Ev+RH0TGjbKND98bVhGxMmIifW0YejIYmb0=; b=ZvTE+gwd9GvmOC7kPyy/FfwfjnhdZ9uPDfdkbEOUTCCb1grMt/mbP+47GfBbC4+44T XiFcoLd841Ysr+5bDDyEKFw2G5daVCYrbFGzNLdHkGHYhnc/PvrwIuA5HR1jhPtV8vY9 Xm682wDlGLl8fNHq0nP5YMIHv/MFm+2PisV3CWZfXv1dafC9+Q67orsBb62TN9MHeoSD WbHC8U4IhJytcSIU6t0UnZd1sFYd+7YUpKYYkJKZNJFhG4WKw5yLcQ9dHkd418WMK6kF JJhlubCewrOIsDPCJxrfkMmpBrOwCHqa5863ANIvonUMzOyto/Xm197jfkhlaZkKalFg 8kkQ== X-Received: by 10.68.209.193 with SMTP id mo1mr12017143pbc.191.1366264189847; Wed, 17 Apr 2013 22:49:49 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.191.74 with HTTP; Wed, 17 Apr 2013 22:49:29 -0700 (PDT) In-Reply-To: References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> <3191.1366125502@sandelman.ca> <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> <17934.1366204523@sandelman.ca> <516F24D7.7050605@demil.be> From: Thomas Watteyne Date: Wed, 17 Apr 2013 22:49:29 -0700 X-Google-Sender-Auth: rKWu2_xcxe1t7j1Za5JP5f25lDs Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7b15a1e5b48ff904da9c2be1 Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Apr 2013 05:49:51 -0000 --047d7b15a1e5b48ff904da9c2be1 Content-Type: text/plain; charset=ISO-8859-1 Pieter, Fully agreed. So if I can sum up, we have: - 6tus does not add a specific header to packets in the data plane. So we can not call it a "layer". - 6tus does not transform bytes when it gets traversed (a la 6LoWPAN), so it can not be called an "adaptation" xxx. So basically we are saying that both terms "adaptation layer" are wrong :) What we do know is: - The 6tus thing of mote A talks to the 6tus thing of its neighbors mote B. So there is a protocol involved. - When this communication takes place, this protocol is carried in the IEs, so the 6tus things somehow sits on top of IEEE802.15.4e. - In a mote, the 6tus thing is associated some state. - 6tus is used to manage the reservation of layer 2 resources. So what about "6tus reservation protocol"? Thomas On Wed, Apr 17, 2013 at 10:48 PM, Thomas Watteyne wrote: > Pieter, > > Fully agreed. So if I can sum up, we have: > > - 6tus does not add a specific header to packets in the data plane. So we > can not call it a "layer". > - 6tus does not transform bytes when it gets traversed (a la 6LoWPAN), so > it can not be called an "adaptation" xxx. > > So basically we are saying that both terms "adaptation layer" are wrong :) > > What we do know is: > - The 6tus thing of mote A talks to the 6tus thing of its neighbors mote > B. So there is a protocol involved. > - When this communication takes place, this protocol is carried in the > IEs, so the 6tus things somehow sits on top of IEEE802.15.4e. > - In a mote, the 6tus thing is associated some state. > - 6tus is used to manage the reservation of layer 2 resources. > > So what about "6tus reservation protocol"? > > Thomas > > > On Wed, Apr 17, 2013 at 3:40 PM, Pieter De Mil wrote: > >> ** >> On 04/17/13 15:15, Michael Richardson wrote: >> >> >> Qin> In the current version of 6tus, both hard cell and soft cell >> Qin> are introduced. For reserving a cell in a schedule, especially >> Qin> soft cell, message exchanges between one-hop neighbors are >> Qin> needed. It is implemented with Information Elements (IE) in >> Qin> packet. In another word, you can see specific bits in packet, >> >> In every single data packet? >> The same way that the IP header shows up underneath every single TCP >> packet? >> >> Hi, >> >> 6tus will not add headers to data packets (data plane), IEEE >> 802.15.4e-TSCH (aka the MAC or data link layer) will set its header. >> >> For control packets, you'll see the Information Elements in the control >> packets. >> >> I agree that it's not an "adaptation" *thing*, because we don't need to >> convert packets into something else. Adaptation of >L3 packets for IEEE >> 802.15.4 data link layer is already done by 6LoWPAN. IEEE802.15.4e uses the >> same max PHY packet size as IEEE802.15.4 does (127 bytes). >> >> Call it the "TSCH interface Specification for 6LoWPAN" (6TieS) because it >> will allow to interface between 6LoWPAN/RPL and a MAC mechanism (TSCH) only >> available in a specific link layer technology (i.e.. IEEE 802.15.4e). >> >> best regards, >> Pieter >> IBCN-iMinds >> >> >> >> >> _______________________________________________ >> 6tsch mailing list >> 6tsch@ietf.org >> https://www.ietf.org/mailman/listinfo/6tsch >> >> > > > -- > Thomas Watteyne, Ph. D > Sr. Networking Design Engineer > Dust Networks / Linear Technology > 30695 Huntwood Ave > Hayward, CA 94544-7021 > +1 (510) 400-2978 > twatteyne@linear.com > > This e-mail transmission, and any documents, files or previous e-mail > messages attached to it may contain confidential information that is > legally privileged. If you are not the intended recipient, or a person > responsible for delivering it to the intended recipient, you are hereby > notified that any disclosure, copying, distribution or use of any of the > information contained in or attached to this transmission is STRICTLY > PROHIBITED. If you have received this transmission in error, please > immediately notify me by reply e-mail, or by telephone at (510) 400-2978, > and destroy the original transmission and its attachments without reading > or saving in any manner. Thank you. > --047d7b15a1e5b48ff904da9c2be1 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Pieter,
=
Fully = agreed. So if I can sum up, we have:

- 6tus does not add a = specific header to packets in the data plane. So we can not call it a "= ;layer".
- 6tus does not = transform bytes when it gets traversed (a la 6LoWPAN), so it can not be cal= led an "adaptation" xxx.

So bas= ically we are saying that both terms "adaptation layer" are wrong= :)

What we do know = is:
- The 6= tus thing of mote A talks to the 6tus=A0thing=A0of its neighbors mote B. So= there is a protocol involved.
- When this comm= unication takes place, this protocol is carried in the IEs, so the 6tus thi= ngs somehow sits on top of IEEE802.15.4e.
- In a mote, the 6tus=A0thing is associated some state.
- 6tus is used to manage the r= eservation of layer 2 resources.

So wha= t about "6tus reservation protocol"?

Thomas


On Wed, Apr 17, 2013 at 10:48 PM, Thomas Watteyne &l= t;twatteyne@linea= r.com> wrote:
Pieter,

= Fully agreed. So if I can sum up, we have:

- 6tus = does not add a specific header to packets in the data plane. So we can not = call it a "layer".
- 6tus does not transform bytes when it gets traversed (a la 6LoWPAN),= so it can not be called an "adaptation" xxx.

So basically we are saying that both terms "adaptation layer&quo= t; are wrong :)

What we do know is:
- The 6tus thing of mote = A talks to the 6tus=A0thing=A0of its neighbors mote B. So there is a protoc= ol involved.
- When this communication takes place, this protocol= is carried in the IEs, so the 6tus things somehow sits on top of IEEE802.1= 5.4e.
- In a mote, the 6tus=A0thing is associated some state.
- 6t= us is used to manage the reservation of layer 2 resources.

So what about "6tus reservation protocol"?

Thomas


On Wed, Apr 17, 2013 at 3:4= 0 PM, Pieter De Mil <pieter@demil.be> wrote:
=20 =20 =20 =20
On 04/17/13 15:15, Michael Richardson wrote: 

    Qin> In the current version of 6tus, both hard cell and s=
oft cell
    Qin> are introduced. For reserving a cell in a schedule, especially
    Qin> soft cell, message exchanges between one-hop neighbors are
    Qin> needed. It is implemented with Information Elements (IE) in
    Qin> packet. In another word, you can see specific bits in packet,

In every single data packet?
The same way that the IP header shows up underneath every single TCP
packet?
Hi,

6tus will not add headers to data packets (data plane), IEEE 802.15.4e-TSCH (aka the MAC or data link layer) will set its header.
For control packets, you'll see the Information Elements in the control packets.

I agree that it's not an "adaptation" *thing*, because we= don't need to convert packets into something else. Adaptation of >L3 packets for IEEE 802.15.4 data link layer is already done by 6LoWPAN. IEEE802.15.4e uses the same max PHY packet size as IEEE802.15.4 does (127 bytes).

Call it the "TSCH interface Specification for 6LoWPAN" (6TieS) because it will allow to interface between 6LoWPAN/RPL and a MAC mechanism (TSCH) only available in a specific link layer technology (i.e.. IEEE 802.15.4e).

best regards,
Pieter
IBCN-iMinds




_________________________________________= ______
6tsch mailing list
6tsch@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/6tsch




--
Thomas Watteyne, Ph. D
Sr. Networking Design Engineer
Dust Networks / Linear Tec= hnology
30695 Huntwood Ave
Hayward, CA 94544-7021

=
This e-mail transmission, and any documents, files or prev= ious e-mail messages attached to it may contain confidential information th= at is legally privileged. If you are not the intended recipient, or a perso= n responsible for delivering it to the intended recipient, you are hereby n= otified that any disclosure, copying, distribution or use of any of the inf= ormation contained in or attached to this transmission is STRICTLY PROHIBIT= ED. If you have received this transmission in error, please immediately not= ify me by reply e-mail, or by telephone at (510) 400-2978, and destr= oy the original transmission and its attachments without reading or saving = in any manner. Thank you.

--047d7b15a1e5b48ff904da9c2be1-- From twatteyne@gmail.com Wed Apr 17 23:05:02 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B763721F8F33 for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 23:05:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.576 X-Spam-Level: X-Spam-Status: No, score=-2.576 tagged_above=-999 required=5 tests=[AWL=0.400, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PMMAIUEuEZAk for <6tsch@ietfa.amsl.com>; Wed, 17 Apr 2013 23:05:02 -0700 (PDT) Received: from mail-pa0-f42.google.com (mail-pa0-f42.google.com [209.85.220.42]) by ietfa.amsl.com (Postfix) with ESMTP id D300621F8F28 for <6tsch@ietf.org>; Wed, 17 Apr 2013 23:05:01 -0700 (PDT) Received: by mail-pa0-f42.google.com with SMTP id kq13so1355914pab.15 for <6tsch@ietf.org>; Wed, 17 Apr 2013 23:05:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:from:date:x-google-sender-auth :message-id:subject:to:content-type; bh=dlsCH+o+dcMZCG8tZlrdzagWEHE5eqB2dM04k3zDbYk=; b=D3w1YUYdJNDr5HLbRJZXmwB7MCbGm/UF4EkqYhhGqjz6CVVDRQBoWSkwrFw8hhJlCF UToa8+4eCYgp/QhaRkke6IlI1/TtdHI03UzGFrGQjp1lOpqdMNCWwcXY6bsqW8muvLSK vIi1mLgXaESFXsBBeNrd23wBjPdaajiLWRXXqDT7W/G4KY6dAur/NUFS/E0HSKNHXeWG BLhOmB0SB/jTuFB3JAagMNn4Zc6ikuXswAJxMwQZvzAkQN5Swv/74cfwtXb7HGiV4eSN uJLgaO68M0nYFbIYF2NDp+5hosNzfkV+wFlrx3n2nv8AsTnQNRa9pi7biKR5/HR5TiwL FcYw== X-Received: by 10.66.81.2 with SMTP id v2mr11837012pax.204.1366265101291; Wed, 17 Apr 2013 23:05:01 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.191.74 with HTTP; Wed, 17 Apr 2013 23:04:41 -0700 (PDT) From: Thomas Watteyne Date: Wed, 17 Apr 2013 23:04:41 -0700 X-Google-Sender-Auth: 6Kk2g_XYh_-ACfEmokMEhXfdd-w Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=f46d042dfe91086dec04da9c62df Subject: [6tsch] draft charter updated X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Apr 2013 06:05:02 -0000 --f46d042dfe91086dec04da9c62df Content-Type: text/plain; charset=ISO-8859-1 All, I have implemented the changes we suggested during the call on Friday to the charter. You will find the latest text at: https://bitbucket.org/6tsch/charter-ietf-6tsch/src/ @Michael: I did correct the typo in your name at https://bitbucket.org/6tsch/meetings/wiki/130412_webex, sorry about that. Changes are: 1. Fix for https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/1, suggested by Tom. The text now reads: "achieve industrial-grade criteria for jitter, latency, scalability, diversity and low-power operation." 2. Fix for https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/2, suggested by Michael. The text now reads: "This document (or documents) will define how toThis document (or documents) will define how to bootstrap the 6TSCH aspects of the LLN and the IPv6 transit links, and how nodes maintain synchronization, including in the presence of multiple BRs." 3. Fix for https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/3, suggested by the group. The text new reads: "The need for other documents may arise as the group progresses. Informational documents on the security, and in particular the use of PANA for 6TSCH are to be expected and fall within charter." 4. I reduced the introductory text a bit by removing duplicate text and in general shortening the paragraphs. Thomas --f46d042dfe91086dec04da9c62df Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
All,

I have implemented the chang= es we suggested during the call on Friday to the charter. You will find the= latest text at:


Changes are:
1. Fix for=A0<= a href=3D"https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/1">https://b= itbucket.org/6tsch/charter-ietf-6tsch/issue/1, suggested by Tom. The te= xt now reads:
"achieve industrial-grade criteria for jitter, latency, sca= lability, diversity and low-power operation."
2. F= ix for=A0https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/2, suggested by M= ichael. The text now reads:
"This document (or documents) will define how toThis docume= nt (or documents) will define how to bootstrap the 6TSCH aspects of the LLN= and the IPv6 transit links, and how nodes maintain synchronization, includ= ing in the presence of multiple BRs."
3. Fix for=A0https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/3,= suggested by the group. The text new reads:
"The need= for other documents may arise as the group progresses. Informational docum= ents on the security, and in particular the use of PANA for 6TSCH are to be= expected and fall within charter."
4. I reduced the introductory text a bit by removing dupli= cate text and in general shortening the paragraphs.

Thomas

--f46d042dfe91086dec04da9c62df-- From dominique.barthel@orange.com Thu Apr 18 02:15:33 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5077921F8EEC for <6tsch@ietfa.amsl.com>; Thu, 18 Apr 2013 02:15:33 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.597 X-Spam-Level: X-Spam-Status: No, score=-2.597 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, UNPARSEABLE_RELAY=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id t-7oy01Vu9k1 for <6tsch@ietfa.amsl.com>; Thu, 18 Apr 2013 02:15:29 -0700 (PDT) Received: from relais-inet.francetelecom.com (relais-ias92.francetelecom.com [193.251.215.92]) by ietfa.amsl.com (Postfix) with ESMTP id BF20E21F8B8F for <6tsch@ietf.org>; Thu, 18 Apr 2013 02:15:27 -0700 (PDT) Received: from omfedm05.si.francetelecom.fr (unknown [xx.xx.xx.1]) by omfedm09.si.francetelecom.fr (ESMTP service) with ESMTP id E8B802DC1F1; Thu, 18 Apr 2013 11:15:25 +0200 (CEST) Received: from Exchangemail-eme1.itn.ftgroup (unknown [10.114.1.183]) by omfedm05.si.francetelecom.fr (ESMTP service) with ESMTP id C5EA035C06A; Thu, 18 Apr 2013 11:15:25 +0200 (CEST) Received: from PEXCVZYM13.corporate.adroot.infra.ftgroup ([fe80::cc7e:e40b:42ef:164e]) by PEXCVZYH02.corporate.adroot.infra.ftgroup ([::1]) with mapi id 14.02.0328.009; Thu, 18 Apr 2013 11:15:25 +0200 From: To: Thomas Watteyne , IETF 6TSCH <6tsch@ietf.org> Thread-Topic: [6tsch] minutes WebEx 12 April 2013 Thread-Index: AQHOO/h94PTgPJTc1EivAZaxAD2ETZjbsPew Date: Thu, 18 Apr 2013 09:15:24 +0000 Message-ID: <17011_1366276525_516FB9AD_17011_3797_1_8F1D83ADCC1AC94186A867BEE9B7D91306D52426@PEXCVZYM13.corporate.adroot.infra.ftgroup> References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> <3191.1366125502@sandelman.ca> <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> <17934.1366204523@sandelman.ca> <516F24D7.7050605@demil.be> In-Reply-To: Accept-Language: fr-FR, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.197.38.3] Content-Type: multipart/alternative; boundary="_000_8F1D83ADCC1AC94186A867BEE9B7D91306D52426PEXCVZYM13corpo_" MIME-Version: 1.0 X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2013.4.18.81522 Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Apr 2013 09:15:33 -0000 --_000_8F1D83ADCC1AC94186A867BEE9B7D91306D52426PEXCVZYM13corpo_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Pitching in quite late... This looks to me similar to what a routing protocol is w.r.t. the "network = layer". Routing is not the full layer 3 by itself, it does not in general a= dd to the data packet headers, but it *resides in* layer 3. I view 6tus residing in layer 2.5. One aspect I haven't seen discussed is whether the "thing" has state or not= . To me an API does not contain state. I view 6tus as having state on its o= wn. "6tus xxx protocol" seems therefore appropriate to me to name our "thing". My $0.02 Dominique De : 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] De la part de T= homas Watteyne Envoy=E9 : jeudi 18 avril 2013 07:49 =C0 : IETF 6TSCH Objet : Re: [6tsch] minutes WebEx 12 April 2013 Pieter, Fully agreed. So if I can sum up, we have: - 6tus does not add a specific header to packets in the data plane. So we c= an not call it a "layer". - 6tus does not transform bytes when it gets traversed (a la 6LoWPAN), so i= t can not be called an "adaptation" xxx. So basically we are saying that both terms "adaptation layer" are wrong :) What we do know is: - The 6tus thing of mote A talks to the 6tus thing of its neighbors mote B.= So there is a protocol involved. - When this communication takes place, this protocol is carried in the IEs,= so the 6tus things somehow sits on top of IEEE802.15.4e. - In a mote, the 6tus thing is associated some state. - 6tus is used to manage the reservation of layer 2 resources. So what about "6tus reservation protocol"? Thomas On Wed, Apr 17, 2013 at 10:48 PM, Thomas Watteyne > wrote: Pieter, Fully agreed. So if I can sum up, we have: - 6tus does not add a specific header to packets in the data plane. So we c= an not call it a "layer". - 6tus does not transform bytes when it gets traversed (a la 6LoWPAN), so i= t can not be called an "adaptation" xxx. So basically we are saying that both terms "adaptation layer" are wrong :) What we do know is: - The 6tus thing of mote A talks to the 6tus thing of its neighbors mote B.= So there is a protocol involved. - When this communication takes place, this protocol is carried in the IEs,= so the 6tus things somehow sits on top of IEEE802.15.4e. - In a mote, the 6tus thing is associated some state. - 6tus is used to manage the reservation of layer 2 resources. So what about "6tus reservation protocol"? Thomas On Wed, Apr 17, 2013 at 3:40 PM, Pieter De Mil > wrote: On 04/17/13 15:15, Michael Richardson wrote: Qin> In the current version of 6tus, both hard cell and soft cell Qin> are introduced. For reserving a cell in a schedule, especially Qin> soft cell, message exchanges between one-hop neighbors are Qin> needed. It is implemented with Information Elements (IE) in Qin> packet. In another word, you can see specific bits in packet, In every single data packet? The same way that the IP header shows up underneath every single TCP packet? Hi, 6tus will not add headers to data packets (data plane), IEEE 802.15.4e-TSCH= (aka the MAC or data link layer) will set its header. For control packets, you'll see the Information Elements in the control pac= kets. I agree that it's not an "adaptation" *thing*, because we don't need to con= vert packets into something else. Adaptation of >L3 packets for IEEE 802.15= .4 data link layer is already done by 6LoWPAN. IEEE802.15.4e uses the same = max PHY packet size as IEEE802.15.4 does (127 bytes). Call it the "TSCH interface Specification for 6LoWPAN" (6TieS) because it w= ill allow to interface between 6LoWPAN/RPL and a MAC mechanism (TSCH) only = available in a specific link layer technology (i.e.. IEEE 802.15.4e). best regards, Pieter IBCN-iMinds _______________________________________________ 6tsch mailing list 6tsch@ietf.org https://www.ietf.org/mailman/listinfo/6tsch -- Thomas Watteyne, Ph. D Sr. Networking Design Engineer Dust Networks / Linear Technology 30695 Huntwood Ave Hayward, CA 94544-7021 +1 (510) 400-2978 twatteyne@linear.com This e-mail transmission, and any documents, files or previous e-mail messa= ges attached to it may contain confidential information that is legally pri= vileged. If you are not the intended recipient, or a person responsible for= delivering it to the intended recipient, you are hereby notified that any = disclosure, copying, distribution or use of any of the information containe= d in or attached to this transmission is STRICTLY PROHIBITED. If you have r= eceived this transmission in error, please immediately notify me by reply e= -mail, or by telephone at (510) 400-2978, and des= troy the original transmission and its attachments without reading or savin= g in any manner. Thank you. ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, France Telecom - Orange decline toute responsabilite si ce message a ete al= tere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, France Telecom - Orange is not liable for message= s that have been modified, changed or falsified. Thank you. --_000_8F1D83ADCC1AC94186A867BEE9B7D91306D52426PEXCVZYM13corpo_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Pitching i= n quite late…

This looks= to me similar to what a routing protocol is w.r.t. the “network laye= r”. Routing is not the full layer 3 by itself, it does not in general add to the data packet headers, but it *resides in* layer 3.

I view 6tu= s residing in layer 2.5.

One aspect= I haven’t seen discussed is whether the “thing” has stat= e or not. To me an API does not contain state. I view 6tus as having state = on its own.

“6tu= s xxx protocol” seems therefore appropriate to me to name our “= thing”.

My $0.02

 = ;

Dominique<= o:p>

 = ;

De : 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf= .org] De la part de Thomas Watteyne
Envoy=E9 : jeudi 18 avril 2013 07:49
=C0 : IETF 6TSCH
Objet : Re: [6tsch] minutes WebEx 12 April 2013

 

Pieter,

 

Fully agreed. So if I can sum up, we have= :

 

- 6tus does not add a specific header to = packets in the data plane. So we can not call it a "layer".<= /o:p>

- 6tus does not transform bytes when it g= ets traversed (a la 6LoWPAN), so it can not be called an "adaptation&q= uot; xxx.

 

So basically we are saying that both term= s "adaptation layer" are wrong :)

 

What we do know is:

- The 6tus thing of mote A talks to the 6= tus thing of its neighbors mote B. So there is a protocol involve= d.

- When this communication takes place, th= is protocol is carried in the IEs, so the 6tus things somehow sits on top o= f IEEE802.15.4e.

- In a mote, the 6tus thing is assoc= iated some state.

- 6tus is used to manage the reservation = of layer 2 resources.

 

So what about "6tus reservation prot= ocol"?

 

Thomas

 

On Wed, Apr 17, 2013 at 10:48 PM, Thomas Watteyne &l= t;twatteyne@linea= r.com> wrote:

Pieter,

 

Fully agreed. So if I can sum up, we have:

 

- 6tus does not add a specific header to packets in = the data plane. So we can not call it a "layer".

- 6tus does not transform bytes when it gets travers= ed (a la 6LoWPAN), so it can not be called an "adaptation" xxx.

 

So basically we are saying that both terms "ada= ptation layer" are wrong :)

 

What we do know is:

- The 6tus thing of mote A talks to the 6tus th= ing of its neighbors mote B. So there is a protocol involved.

- When this communication takes place, this protocol= is carried in the IEs, so the 6tus things somehow sits on top of IEEE802.1= 5.4e.

- In a mote, the 6tus thing is associated some = state.

- 6tus is used to manage the reservation of layer 2 = resources.

 

So what about "6tus reservation protocol"?=

 

Thomas

 

On Wed, Apr 17, 2013 at 3:40 PM, Pieter De Mil <<= a href=3D"mailto:pieter@demil.be" target=3D"_blank">pieter@demil.be>= wrote:

On 04/17/13 15:15, Michael Richardson wrote:

 

    Qin> In the current version of 6tus, both hard c=
ell and soft cell
    Qin> are introduced. For reserving a cell in a s=
chedule, especially
    Qin> soft cell, message exchanges between one-ho=
p neighbors are
    Qin> needed. It is implemented with Information =
Elements (IE) in
    Qin> packet. In another word, you can see specif=
ic bits in packet,
 
In every single data packet?
The same way that the IP header shows up underneath every single TCP
packet?

Hi,

6tus will not add headers to data packets (data plane), IEEE 802.15.4e-TSCH= (aka the MAC or data link layer) will set its header.

For control packets, you'll see the Information Elements in the control pac= kets.

I agree that it's not an "adaptation" *thing*, because we don't n= eed to convert packets into something else. Adaptation of >L3 packets fo= r IEEE 802.15.4 data link layer is already done by 6LoWPAN. IEEE802.15.4e u= ses the same max PHY packet size as IEEE802.15.4 does (127 bytes).

Call it the "TSCH interface Specification for 6LoWPAN" (6TieS) be= cause it will allow to interface between 6LoWPAN/RPL and a MAC mechanism (T= SCH) only available in a specific link layer technology (i.e.. IEEE 802.15.= 4e).

best regards,
Pieter
IBCN-iMinds


 

_____________________= __________________________
6tsch mailing list
6tsch@ietf.org
h= ttps://www.ietf.org/mailman/listinfo/6tsch



 

--

Thomas Watteyne, Ph. D=

Sr. Networking Design = Engineer

Dust Networks / Linear= Technology

30695 Huntwood Ave

Hayward, CA 94544-7021=

 

This e= -mail transmission, and any documents, files or previous e-mail messages at= tached to it may contain confidential information that is legally privilege= d. If you are not the intended recipient, or a person responsible for delivering it to the intended recipient, you a= re hereby notified that any disclosure, copying, distribution or use of any= of the information contained in or attached to this transmission is STRICT= LY PROHIBITED. If you have received this transmission in error, please immediately notify me by reply e-mail, = or by telephone at (510) 400-2978, = and destroy the original transmission and its attachments without reading o= r saving in any manner. Thank you.

 

______________________________________________________________________=
___________________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confiden=
tielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu=
 ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el=
ectroniques etant susceptibles d'alteration,
France Telecom - Orange decline toute responsabilite si ce message a ete al=
tere, deforme ou falsifie. Merci.

This message and its attachments may contain confidential or privileged inf=
ormation that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and dele=
te this message and its attachments.
As emails may be altered, France Telecom - Orange is not liable for message=
s that have been modified, changed or falsified.
Thank you.
--_000_8F1D83ADCC1AC94186A867BEE9B7D91306D52426PEXCVZYM13corpo_-- From dominique.barthel@orange.com Thu Apr 18 02:21:25 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 29E9221F8F1C for <6tsch@ietfa.amsl.com>; Thu, 18 Apr 2013 02:21:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.297 X-Spam-Level: X-Spam-Status: No, score=-2.297 tagged_above=-999 required=5 tests=[AWL=-0.300, BAYES_00=-2.599, HTML_MESSAGE=0.001, J_CHICKENPOX_32=0.6, UNPARSEABLE_RELAY=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qFs6HTUrHv12 for <6tsch@ietfa.amsl.com>; Thu, 18 Apr 2013 02:21:24 -0700 (PDT) Received: from relais-inet.francetelecom.com (relais-ias92.francetelecom.com [193.251.215.92]) by ietfa.amsl.com (Postfix) with ESMTP id 6A6CE21F89FF for <6tsch@ietf.org>; Thu, 18 Apr 2013 02:21:19 -0700 (PDT) Received: from omfedm08.si.francetelecom.fr (unknown [xx.xx.xx.4]) by omfedm13.si.francetelecom.fr (ESMTP service) with ESMTP id CBF84324395; Thu, 18 Apr 2013 11:21:18 +0200 (CEST) Received: from Exchangemail-eme1.itn.ftgroup (unknown [10.114.1.186]) by omfedm08.si.francetelecom.fr (ESMTP service) with ESMTP id A0A1F23805C; Thu, 18 Apr 2013 11:21:18 +0200 (CEST) Received: from PEXCVZYM13.corporate.adroot.infra.ftgroup ([fe80::cc7e:e40b:42ef:164e]) by PEXCVZYH01.corporate.adroot.infra.ftgroup ([::1]) with mapi id 14.02.0328.009; Thu, 18 Apr 2013 11:21:18 +0200 From: To: Tom Phinney , "6tsch@ietf.org" <6tsch@ietf.org> Thread-Topic: [6tsch] layering vs protocols Thread-Index: AQHOO5vOz9/wzWp+WEKXSFfWu3zyd5jbs9cw Date: Thu, 18 Apr 2013 09:21:17 +0000 Message-ID: <8211_1366276878_516FBB0E_8211_1692_2_8F1D83ADCC1AC94186A867BEE9B7D91306D52444@PEXCVZYM13.corporate.adroot.infra.ftgroup> References: <516EEDE0.8080402@cox.net> In-Reply-To: <516EEDE0.8080402@cox.net> Accept-Language: fr-FR, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.197.38.3] Content-Type: multipart/alternative; boundary="_000_8F1D83ADCC1AC94186A867BEE9B7D91306D52444PEXCVZYM13corpo_" MIME-Version: 1.0 X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2013.3.25.85421 Subject: Re: [6tsch] layering vs protocols X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Apr 2013 09:21:25 -0000 --_000_8F1D83ADCC1AC94186A867BEE9B7D91306D52444PEXCVZYM13corpo_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 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ZWNvbSAtIE9yYW5nZSBpcyBub3QgbGlhYmxlIGZvciBtZXNzYWdlcyB0aGF0IGhhdmUgYmVlbiBt b2RpZmllZCwgY2hhbmdlZCBvciBmYWxzaWZpZWQuClRoYW5rIHlvdS4KPC9QUkU+PC9ib2R5Pg0K PC9odG1sPg0K --_000_8F1D83ADCC1AC94186A867BEE9B7D91306D52444PEXCVZYM13corpo_-- From qinwang@berkeley.edu Thu Apr 18 06:39:37 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2A0F921F8EBF for <6tsch@ietfa.amsl.com>; Thu, 18 Apr 2013 06:39:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YKtMpKGp8tEq for <6tsch@ietfa.amsl.com>; Thu, 18 Apr 2013 06:39:36 -0700 (PDT) Received: from cm03fe.IST.Berkeley.EDU (cm03fe.IST.Berkeley.EDU [169.229.218.144]) by ietfa.amsl.com (Postfix) with ESMTP id 6325621F8E99 for <6tsch@ietf.org>; Thu, 18 Apr 2013 06:39:36 -0700 (PDT) Received: from cm02ws.ist.berkeley.edu ([169.229.218.164] helo=calmail.berkeley.edu) by cm03fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth login:qinwang@berkeley.edu) (envelope-from ) id 1USp3m-0003AO-AX; Thu, 18 Apr 2013 06:39:35 -0700 Received: from 58.247.120.150 (SquirrelMail authenticated user qinwang@berkeley.edu) by calmail.berkeley.edu with HTTP; Thu, 18 Apr 2013 06:39:34 -0700 Message-ID: In-Reply-To: <17011_1366276525_516FB9AD_17011_3797_1_8F1D83ADCC1AC94186A867BEE9B7D91306D52426@PEXCVZYM13.corporate.adroot.infra.ftgroup> References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> <3191.1366125502@sandelman.ca> <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> <17934.1366204523@sandelman.ca> <516F24D7.7050605@demil.be> <17011_1366276525_516FB9AD_17011_3797_1_8F1D83ADCC1AC94186A867BEE9B7D91306D52426@PEXCVZYM13.corporate.adroot.infra.ftgroup> Date: Thu, 18 Apr 2013 06:39:34 -0700 From: "Qin Wang" To: dominique.barthel@orange.com User-Agent: SquirrelMail/1.4.21-2.berkeley MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: Thomas Watteyne , IETF 6TSCH <6tsch@ietf.org> Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Apr 2013 13:39:37 -0000 If the "thing" is called "6tus xxx protocol", I would like to add "cell" into it, e.g. "6tus cell reservation protocol", to distinguish from protocols like RSVP. How do you think? Qin > Pitching in quite late... > This looks to me similar to what a routing protocol is w.r.t. the "network > layer". Routing is not the full layer 3 by itself, it does not in general > add to the data packet headers, but it *resides in* layer 3. > I view 6tus residing in layer 2.5. > One aspect I haven't seen discussed is whether the "thing" has state or > not. To me an API does not contain state. I view 6tus as having state on > its own. > "6tus xxx protocol" seems therefore appropriate to me to name our "thing". > My $0.02 > > Dominique > > De : 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] De la part de > Thomas Watteyne > Envoyé : jeudi 18 avril 2013 07:49 > À : IETF 6TSCH > Objet : Re: [6tsch] minutes WebEx 12 April 2013 > > Pieter, > > Fully agreed. So if I can sum up, we have: > > - 6tus does not add a specific header to packets in the data plane. So we > can not call it a "layer". > - 6tus does not transform bytes when it gets traversed (a la 6LoWPAN), so > it can not be called an "adaptation" xxx. > > So basically we are saying that both terms "adaptation layer" are wrong :) > > What we do know is: > - The 6tus thing of mote A talks to the 6tus thing of its neighbors mote > B. So there is a protocol involved. > - When this communication takes place, this protocol is carried in the > IEs, so the 6tus things somehow sits on top of IEEE802.15.4e. > - In a mote, the 6tus thing is associated some state. > - 6tus is used to manage the reservation of layer 2 resources. > > So what about "6tus reservation protocol"? > > Thomas > > On Wed, Apr 17, 2013 at 10:48 PM, Thomas Watteyne > > wrote: > Pieter, > > Fully agreed. So if I can sum up, we have: > > - 6tus does not add a specific header to packets in the data plane. So we > can not call it a "layer". > - 6tus does not transform bytes when it gets traversed (a la 6LoWPAN), so > it can not be called an "adaptation" xxx. > > So basically we are saying that both terms "adaptation layer" are wrong :) > > What we do know is: > - The 6tus thing of mote A talks to the 6tus thing of its neighbors mote > B. So there is a protocol involved. > - When this communication takes place, this protocol is carried in the > IEs, so the 6tus things somehow sits on top of IEEE802.15.4e. > - In a mote, the 6tus thing is associated some state. > - 6tus is used to manage the reservation of layer 2 resources. > > So what about "6tus reservation protocol"? > > Thomas > > On Wed, Apr 17, 2013 at 3:40 PM, Pieter De Mil > > wrote: > On 04/17/13 15:15, Michael Richardson wrote: > > > Qin> In the current version of 6tus, both hard cell and soft cell > > Qin> are introduced. For reserving a cell in a schedule, especially > > Qin> soft cell, message exchanges between one-hop neighbors are > > Qin> needed. It is implemented with Information Elements (IE) in > > Qin> packet. In another word, you can see specific bits in packet, > > > > In every single data packet? > > The same way that the IP header shows up underneath every single TCP > > packet? > Hi, > > 6tus will not add headers to data packets (data plane), IEEE > 802.15.4e-TSCH (aka the MAC or data link layer) will set its header. > > For control packets, you'll see the Information Elements in the control > packets. > > I agree that it's not an "adaptation" *thing*, because we don't need to > convert packets into something else. Adaptation of >L3 packets for IEEE > 802.15.4 data link layer is already done by 6LoWPAN. IEEE802.15.4e uses > the same max PHY packet size as IEEE802.15.4 does (127 bytes). > > Call it the "TSCH interface Specification for 6LoWPAN" (6TieS) because it > will allow to interface between 6LoWPAN/RPL and a MAC mechanism (TSCH) > only available in a specific link layer technology (i.e.. IEEE 802.15.4e). > > best regards, > Pieter > IBCN-iMinds > > > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > > > > -- > Thomas Watteyne, Ph. D > Sr. Networking Design Engineer > Dust Networks / Linear Technology > 30695 Huntwood Ave > Hayward, CA 94544-7021 > +1 (510) 400-2978 > twatteyne@linear.com > > This e-mail transmission, and any documents, files or previous e-mail > messages attached to it may contain confidential information that is > legally privileged. If you are not the intended recipient, or a person > responsible for delivering it to the intended recipient, you are hereby > notified that any disclosure, copying, distribution or use of any of the > information contained in or attached to this transmission is STRICTLY > PROHIBITED. If you have received this transmission in error, please > immediately notify me by reply e-mail, or by telephone at (510) > 400-2978, and destroy the original transmission > and its attachments without reading or saving in any manner. Thank you. > > > _________________________________________________________________________________________________________________________ > > Ce message et ses pieces jointes peuvent contenir des informations > confidentielles ou privilegiees et ne doivent donc > pas etre diffuses, exploites ou copies sans autorisation. Si vous avez > recu ce message par erreur, veuillez le signaler > a l'expediteur et le detruire ainsi que les pieces jointes. Les messages > electroniques etant susceptibles d'alteration, > France Telecom - Orange decline toute responsabilite si ce message a ete > altere, deforme ou falsifie. Merci. > > This message and its attachments may contain confidential or privileged > information that may be protected by law; > they should not be distributed, used or copied without authorisation. > If you have received this email in error, please notify the sender and > delete this message and its attachments. > As emails may be altered, France Telecom - Orange is not liable for > messages that have been modified, changed or falsified. > Thank you. > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > From xvilajosana@eecs.berkeley.edu Thu Apr 18 06:46:26 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A10D021F8EF5 for <6tsch@ietfa.amsl.com>; Thu, 18 Apr 2013 06:46:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2pPMnJE2fH4D for <6tsch@ietfa.amsl.com>; Thu, 18 Apr 2013 06:46:25 -0700 (PDT) Received: from cm01fe.IST.Berkeley.EDU (cm01fe.IST.Berkeley.EDU [169.229.218.142]) by ietfa.amsl.com (Postfix) with ESMTP id CFCCB21F8ED3 for <6tsch@ietf.org>; Thu, 18 Apr 2013 06:46:25 -0700 (PDT) Received: from c-67-188-198-243.hsd1.ca.comcast.net ([67.188.198.243] helo=[192.168.2.5]) by cm01fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth plain:xvilajosana@eecs.berkeley.edu) (envelope-from ) id 1USpAN-0006Hr-6D for 6tsch@ietf.org; Thu, 18 Apr 2013 06:46:25 -0700 Message-ID: <516FF92B.1020507@eecs.berkeley.edu> Date: Thu, 18 Apr 2013 06:46:19 -0700 From: Xavier Vilajosana User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: 6tsch@ietf.org References: <516D215D.2000601@gmail.com> <18653.1366120011@sandelman.ca> <6c8578de4e630b6679e074905d23dfc4.squirrel@calmail.berkeley.edu> <3191.1366125502@sandelman.ca> <589e712d8d3d598dbabf29b3f990c288.squirrel@calmail.berkeley.edu> <17934.1366204523@sandelman.ca> <516F24D7.7050605@demil.be> <17011_1366276525_516FB9AD_17011_3797_1_8F1D83ADCC1AC94186A867BEE9B7D91306D52426@PEXCVZYM13.corporate.adroot.infra.ftgroup> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [6tsch] minutes WebEx 12 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Apr 2013 13:46:26 -0000 Hi, my little contribution. 6tus not only reserves, in a wider sense it manages schedule, queues, time parents, configuration of L2, provides feedback and keeps certain states what about: "6tus resource management protocol" X On 18/04/13 06:39, Qin Wang wrote: > If the "thing" is called "6tus xxx protocol", I would like to add "cell" > into it, e.g. "6tus cell reservation protocol", to distinguish from > protocols like RSVP. > > How do you think? > > Qin > > >> Pitching in quite late... >> This looks to me similar to what a routing protocol is w.r.t. the "network >> layer". Routing is not the full layer 3 by itself, it does not in general >> add to the data packet headers, but it *resides in* layer 3. >> I view 6tus residing in layer 2.5. >> One aspect I haven't seen discussed is whether the "thing" has state or >> not. To me an API does not contain state. I view 6tus as having state on >> its own. >> "6tus xxx protocol" seems therefore appropriate to me to name our "thing". >> My $0.02 >> >> Dominique >> >> De : 6tsch-bounces@ietf.org [mailto:6tsch-bounces@ietf.org] De la part de >> Thomas Watteyne >> Envoyé : jeudi 18 avril 2013 07:49 >> À : IETF 6TSCH >> Objet : Re: [6tsch] minutes WebEx 12 April 2013 >> >> Pieter, >> >> Fully agreed. So if I can sum up, we have: >> >> - 6tus does not add a specific header to packets in the data plane. So we >> can not call it a "layer". >> - 6tus does not transform bytes when it gets traversed (a la 6LoWPAN), so >> it can not be called an "adaptation" xxx. >> >> So basically we are saying that both terms "adaptation layer" are wrong :) >> >> What we do know is: >> - The 6tus thing of mote A talks to the 6tus thing of its neighbors mote >> B. So there is a protocol involved. >> - When this communication takes place, this protocol is carried in the >> IEs, so the 6tus things somehow sits on top of IEEE802.15.4e. >> - In a mote, the 6tus thing is associated some state. >> - 6tus is used to manage the reservation of layer 2 resources. >> >> So what about "6tus reservation protocol"? >> >> Thomas >> >> On Wed, Apr 17, 2013 at 10:48 PM, Thomas Watteyne >> > wrote: >> Pieter, >> >> Fully agreed. So if I can sum up, we have: >> >> - 6tus does not add a specific header to packets in the data plane. So we >> can not call it a "layer". >> - 6tus does not transform bytes when it gets traversed (a la 6LoWPAN), so >> it can not be called an "adaptation" xxx. >> >> So basically we are saying that both terms "adaptation layer" are wrong :) >> >> What we do know is: >> - The 6tus thing of mote A talks to the 6tus thing of its neighbors mote >> B. So there is a protocol involved. >> - When this communication takes place, this protocol is carried in the >> IEs, so the 6tus things somehow sits on top of IEEE802.15.4e. >> - In a mote, the 6tus thing is associated some state. >> - 6tus is used to manage the reservation of layer 2 resources. >> >> So what about "6tus reservation protocol"? >> >> Thomas >> >> On Wed, Apr 17, 2013 at 3:40 PM, Pieter De Mil >> > wrote: >> On 04/17/13 15:15, Michael Richardson wrote: >> >> >> Qin> In the current version of 6tus, both hard cell and soft cell >> >> Qin> are introduced. For reserving a cell in a schedule, especially >> >> Qin> soft cell, message exchanges between one-hop neighbors are >> >> Qin> needed. It is implemented with Information Elements (IE) in >> >> Qin> packet. In another word, you can see specific bits in packet, >> >> >> >> In every single data packet? >> >> The same way that the IP header shows up underneath every single TCP >> >> packet? >> Hi, >> >> 6tus will not add headers to data packets (data plane), IEEE >> 802.15.4e-TSCH (aka the MAC or data link layer) will set its header. >> >> For control packets, you'll see the Information Elements in the control >> packets. >> >> I agree that it's not an "adaptation" *thing*, because we don't need to >> convert packets into something else. Adaptation of >L3 packets for IEEE >> 802.15.4 data link layer is already done by 6LoWPAN. IEEE802.15.4e uses >> the same max PHY packet size as IEEE802.15.4 does (127 bytes). >> >> Call it the "TSCH interface Specification for 6LoWPAN" (6TieS) because it >> will allow to interface between 6LoWPAN/RPL and a MAC mechanism (TSCH) >> only available in a specific link layer technology (i.e.. IEEE 802.15.4e). >> >> best regards, >> Pieter >> IBCN-iMinds >> >> >> >> _______________________________________________ >> 6tsch mailing list >> 6tsch@ietf.org >> https://www.ietf.org/mailman/listinfo/6tsch >> >> >> >> -- >> Thomas Watteyne, Ph. D >> Sr. Networking Design Engineer >> Dust Networks / Linear Technology >> 30695 Huntwood Ave >> Hayward, CA 94544-7021 >> +1 (510) 400-2978 >> twatteyne@linear.com >> >> This e-mail transmission, and any documents, files or previous e-mail >> messages attached to it may contain confidential information that is >> legally privileged. If you are not the intended recipient, or a person >> responsible for delivering it to the intended recipient, you are hereby >> notified that any disclosure, copying, distribution or use of any of the >> information contained in or attached to this transmission is STRICTLY >> PROHIBITED. If you have received this transmission in error, please >> immediately notify me by reply e-mail, or by telephone at (510) >> 400-2978, and destroy the original transmission >> and its attachments without reading or saving in any manner. Thank you. >> >> >> _________________________________________________________________________________________________________________________ >> >> Ce message et ses pieces jointes peuvent contenir des informations >> confidentielles ou privilegiees et ne doivent donc >> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez >> recu ce message par erreur, veuillez le signaler >> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages >> electroniques etant susceptibles d'alteration, >> France Telecom - Orange decline toute responsabilite si ce message a ete >> altere, deforme ou falsifie. Merci. >> >> This message and its attachments may contain confidential or privileged >> information that may be protected by law; >> they should not be distributed, used or copied without authorisation. >> If you have received this email in error, please notify the sender and >> delete this message and its attachments. >> As emails may be altered, France Telecom - Orange is not liable for >> messages that have been modified, changed or falsified. >> Thank you. >> >> _______________________________________________ >> 6tsch mailing list >> 6tsch@ietf.org >> https://www.ietf.org/mailman/listinfo/6tsch >> > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch From twatteyne@gmail.com Fri Apr 19 00:17:04 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8FE0421F9339 for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 00:17:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.118 X-Spam-Level: X-Spam-Status: No, score=-0.118 tagged_above=-999 required=5 tests=[BAYES_20=-0.74, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, NO_RELAYS=-0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eNDf9Tup+Q7H for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 00:16:50 -0700 (PDT) Received: from mail-da0-x229.google.com (mail-da0-x229.google.com [IPv6:2607:f8b0:400e:c00::229]) by ietfa.amsl.com (Postfix) with ESMTP id 3DF6821F9199 for <6tsch@ietf.org>; Fri, 19 Apr 2013 00:16:50 -0700 (PDT) Received: by mail-da0-f41.google.com with SMTP id p8so1687809dan.28 for <6tsch@ietf.org>; Fri, 19 Apr 2013 00:16:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:from:date:x-google-sender-auth :message-id:subject:to:content-type; bh=RQSRB5ukGxumuipjfzL09ln/56kADJYCVDZ0IFjofdA=; b=BZFa0v+0JQT9V9YZJoTy9nXMRfBM8AnnwtGiBpjg6WgZLNHyvfXdLMLGfR8HS6tUpC 8Dyh0LPbGGdAuwZXc4PsVrLitYGxPhyVaQKuFoNYLEMzjDNiq07Fe6cpeMrBAsDIt55Q GltWfudyepHfB/IrTqaJXpuIiYEFkobVazdUX9rGDH47TOzZtTmQNBXmb2YvUVTB2fFW JDx2dhgUJIHbZcsFkVBJal+KDOSoKCYNNJHQmGPhxktjPAjnTJ5mKv3MI6vDkETssGlF Nh7Ss4BEm4Hdaxa+ZsiA7O7anNazRYK1nx9m5Wm6T5EpATvj3SRoiqRfoIx25vcyRiun ZJhg== X-Received: by 10.68.225.133 with SMTP id rk5mr16489332pbc.143.1366355809832; Fri, 19 Apr 2013 00:16:49 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.191.74 with HTTP; Fri, 19 Apr 2013 00:16:29 -0700 (PDT) From: Thomas Watteyne Date: Fri, 19 Apr 2013 00:16:29 -0700 X-Google-Sender-Auth: yQu56hMQethHjYZ4Tl2IYvPNFkM Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/mixed; boundary=047d7beb9da0ae957604dab18076 Subject: [6tsch] draft agenda for call on April 19 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Apr 2013 07:17:04 -0000 --047d7beb9da0ae957604dab18076 Content-Type: multipart/alternative; boundary=047d7beb9da0ae957304dab18074 --047d7beb9da0ae957304dab18074 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable All, Please find a draft agenda for the 6TSCH call this Friday. - change to draft charter [20min] - Rough consensus on draft draft charter? - 6tus naming convention [10min] - Next steps [20min] Attached are also some slides which we can use to drive the discussion. Pascal and Thomas ------------------------------------------------------- Call info :**** Topic: 6TSCH Weekly**** Date: Every Friday, from Friday, April 5, 2013 to Friday, March 7, 2014= * *** Time: 8:00 am, Pacific Daylight Time (San Francisco, GMT-07:00)**** Meeting Number: 206 802 913**** Meeting Password: sixtus**** ** ** -------------------------------------------------------**** To start the online meeting**** -------------------------------------------------------**** 1. Go to https://cisco.webex.com/cisco/j.php?ED=3D219615007&UID=3D481905242&PW=3DNZT= RkNDAwOTE1&RT=3DMiM0 **** 2. Log in to your account.**** 3. Click =93Start Now=94.**** 4. Follow the instructions that appear on your screen.**** ** ** ----------------------------------------------------------------**** ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes**** ----------------------------------------------------------------**** ** ** The affected toll free numbers are: (866) 432-9903 for the San Jose/Milpitas area and (866) 349-3520 for the RTP area.**** Please dial the local access number for your area from the list below:**** **=B7 **San Jose/Milpitas (408) area: 525-6800**** **=B7 **RTP (919) area: 392-3330**** ** ** -------------------------------------------------------**** To join the teleconference only**** -------------------------------------------------------**** 1. Dial into Cisco WebEx (view all Global Access Numbers at**** http://cisco.com/en/US/about/doing_business/conferencing/index.html **** 2. Follow the prompts to enter the Meeting Number (listed above) or Access Code followed by the # sign.**** ** ** San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330**** US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117**** India: +91.80.4350.1111 Germany: +49.619.6773.9002**** Japan: +81.3.5763.9394 China: +86.10.8515.5666**** To check whether you have the appropriate players installed for UCF (Universal Communications Format) rich media files, go to https://cisco.webex.com/cisco/systemdiagnosis.php.**** CCM:+14085256800x206802913# --047d7beb9da0ae957304dab18074 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable
All,

Please find a draft agenda f= or the 6TSCH call this Friday.

  • change to draft charter= =A0[20min]
    • Rough consensus on draft draft charter?
    <= li style>6tus naming convention=A0[1= 0min]
  • Next steps=A0[20min]

    • Attached are also som= e slides which we can use to drive the discussion.

    Pascal and Thomas

    ----------------------= --------= -------------------------

    Cal= l info :

    Topic:=A0=A0=A0 6TSCH Weekly

    Date:=A0=A0=A0=A0 Every= Friday, from Friday, April 5, 2013 to Friday, March 7, 2014<= /p>

    Time:=A0=A0=A0=A0 8:00 am, Pacific Daylight Time (San Francisco, GMT-= 07:00)

    Meeting Number:=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 206 802 913<= /p>

    Meeting Password:=A0=A0=A0=A0=A0=A0=A0=A0 sixtus

    <= /u>=A0

    ----------------------------------------------------= ---

    To start the online meeting

    ---------------= ----------------------------------------

    1.=A0= =A0 Go to=A0= https://cisco.w= ebex.com/cisco/j.php?ED=3D219615007&UID=3D481905242&PW=3DNZTRkNDAwO= TE1&RT=3DMiM0

    2.=A0=A0 Log in to your account.

    3.=A0=A0 Click =93S= tart Now=94.

    4.=A0=A0 Follow the instructions that appe= ar on your screen.

    =A0

    -= ---------------------------------------------------------------

    ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes=

    ----------------------------------------------------------= ------

    <= u>=A0

    The affected toll free numbers are:=A0(866= ) 432-9903=A0for the San Jose/Milpitas area and=A0(866) 349-3520= =A0for the RTP area.

    Please dial the local access number for your area from the list below:

    =B7=A0=A0=A0=A0=A0=A0= =A0=A0=A0San Jose/Milpitas (408) area:=A0 525-6800<= /u>

    =B7=A0=A0=A0=A0=A0=A0=A0=A0=A0= RTP (919) area:=A0 392-3330

    =A0=

    -= ------------------------------------------------------=

    To join the teleconference only

    ------------------= -------------------------------------

    1.=A0=A0=A0=A0=A0=A0=A0=A0 Dial into Cisco WebEx (view all Global Acces= s Numbers at

    http://cis= co.com/en/US/about/doing_business/conferencing/index.html=

    2.=A0=A0=A0=A0=A0=A0=A0=A0 Follow the prompts to enter the M= eeting Number (listed above) or Access Code followed by the # sign.<= span style=3D"font-size:10pt;font-family:Arial,sans-serif">

    <= u>=A0

    San Jose, CA:=A0+1.408.525.6800=A0 RTP:= =A0+1.919.392.3330

    US/Canada:=A0+1.866.432.9903=A0 United Kingdom:=A0+44.20.8824.0117=

    India:=A0+91.80.4350.1111=A0 Germany:=A0+49.619.6773.9002<= u>

    Japan:=A0+81.3.5763.9394=A0 China:=A0+86.10.8515.5666

    To check whether you have the appropriate players installed for= UCF (Universal Communications Format) rich media files, go tohttps://cisco.webex.com= /cisco/systemdiagnosis.php.

    CCM:+14085256800x206802913#

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"dominique.barthel@orange.com" , Tom Phinney , "6tsch@ietf.org" <6tsch@ietf.org> Thread-Topic: [6tsch] layering vs protocols Thread-Index: AQHOO5vMDhR1Ib7q2UK8kvu+433ga5jcCMKAgAEaw8A= Date: Fri, 19 Apr 2013 11:06:25 +0000 Deferred-Delivery: Fri, 19 Apr 2013 11:06:00 +0000 Message-ID: References: <516EEDE0.8080402@cox.net> <8211_1366276878_516FBB0E_8211_1692_2_8F1D83ADCC1AC94186A867BEE9B7D91306D52444@PEXCVZYM13.corporate.adroot.infra.ftgroup> In-Reply-To: <8211_1366276878_516FBB0E_8211_1692_2_8F1D83ADCC1AC94186A867BEE9B7D91306D52444@PEXCVZYM13.corporate.adroot.infra.ftgroup> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.61.212.32] Content-Type: multipart/alternative; boundary="_000_E045AECD98228444A58C61C200AE1BD835D4DE09xmbrcdx01ciscoc_" MIME-Version: 1.0 Subject: Re: [6tsch] layering vs protocols X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Apr 2013 11:06:29 -0000 --_000_E045AECD98228444A58C61C200AE1BD835D4DE09xmbrcdx01ciscoc_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SSB0aGluayB0aGF0IHRoaXMgZGlzY3Vzc2lvbiBtaXNzZXMgdGhlIHBvaW50IHRoYXQgNlRVUyBl ZmZlY3RpdmVseSBhY3RzIG9uIHRoZSBhaXIgYW5kIHRoYXQgdGhlIHRpbWUgYXQgd2hpY2ggYSBm cmFtZSBpcyBpc3N1ZWQgaXMgYXMgc2lnbmlmaWNhbnQgYXMgYW4gYWN0dWFsIG9jdGV0IGluIGEg ZnJhbWUgb3IgYW4gZWxlY3Ryb21hZ25ldGljYWwgZWZmZWN0IG9uIHRoZSBQSFkgbGF5ZXIuDQpP bmUgdmVyeSBpbXBvcnRhbnQgYXNwZWN0IG9mIDZUVVMgaXMgdGhlIGNvbmNlcHQgb2YgdHJhY2su IEluIChHKU1QTFMgcGFybGFuY2UsIGEgdHJhY2sgaXMgYSBMYWJlbCBTd2l0Y2ggUGF0aCwgYW5k IGEgNlRTQ0ggcm91dGVyIGlzIGFuIExTUi4NCkl0IGlzIHVwIHRvIHRoZSA2VFVTIGxheWVyLCBi 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tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5NRsIrtPqT8u for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 04:21:07 -0700 (PDT) Received: from smtp1.ugent.be (smtp1.ugent.be [157.193.71.182]) by ietfa.amsl.com (Postfix) with ESMTP id 3499A21F8F32 for <6tsch@ietf.org>; Fri, 19 Apr 2013 04:21:06 -0700 (PDT) Received: from localhost (mcheck2.ugent.be [157.193.49.249]) by smtp1.ugent.be (Postfix) with ESMTP id 1B880881A for <6tsch@ietf.org>; Fri, 19 Apr 2013 13:21:05 +0200 (CEST) X-Virus-Scanned: by UGent DICT Received: from smtp1.ugent.be ([157.193.71.182]) by localhost (mcheck2.UGent.be [157.193.43.11]) (amavisd-new, port 10024) with ESMTP id IK8_GnlNqL5O for <6tsch@ietf.org>; Fri, 19 Apr 2013 13:21:04 +0200 (CEST) Received: from [157.193.135.163] (dhcp-zdpt-163.intec.ugent.be [157.193.135.163]) (Authenticated sender: pdemil) by smtp1.ugent.be (Postfix) with ESMTPSA id 1FB858713 for <6tsch@ietf.org>; Fri, 19 Apr 2013 13:21:04 +0200 (CEST) Message-ID: <5171289F.8010104@demil.be> Date: Fri, 19 Apr 2013 13:21:03 +0200 From: Pieter De Mil User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.11pre) Gecko/20100916 Lightning/1.0b2 Shredder/3.1.5pre MIME-Version: 1.0 To: IETF 6TSCH <6tsch@ietf.org> References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Miltered: at jchkm1 with ID 517128A0.000 by Joe's j-chkmail (http://helpdesk.ugent.be/email/)! X-j-chkmail-Enveloppe: 517128A0.000 from dhcp-zdpt-163.intec.ugent.be/dhcp-zdpt-163.intec.ugent.be/157.193.135.163/[157.193.135.163]/ X-j-chkmail-Score: MSGID : 517128A0.000 on smtp1.ugent.be : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000 X-j-chkmail-Status: Ham Subject: Re: [6tsch] Wireshark dissectors for IEEE802.15.4e TSCH? X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Apr 2013 11:21:09 -0000 Hi, I'm working on an IEEE 802.15.4e TSCH dissector for Wireshark. https://github.com/pdemil/802154e-wireshark Feel free to contribute. best regards, Pieter On 04/11/13 08:43, Thomas Watteyne wrote: > All, > > Within this group, we have several implementations ongoing/running of > IEEE802.15.4e, and we will hopefully soon start talking about interop. > To simplify testing and development, it would be fantastic to be able > to analyze packets in Wireshark. > > Wireshark's ZEP dissector [1] allows one to very easily inject packet > from a USB connected mote. ZEP indicates the frequency the packet was > received on, so one can imagine having 16 different USB boards, each > sniffing a different frequencies. We could have those boards actually > synchronize to the network, and report the ASN the packet was received > on in the timestamp field of the ZEP header. This would allow us to > reconstruct the exact data exchange, also in time. Finally, using a > tun interface can be an alternative to ZEP, also in Windows [2]. > > The last piece missing then is a IEEE802.15.4e TSCH dissector. I am > not aware of any in Wireshark, but we might have just the right > Wireshark dissector-guru in this group. Any volunteers for writing > such a dissector? > > Thomas > > [1] http://wiki.wireshark.org/IEEE_802.15.4 > [2] > https://openwsn.atlassian.net/wiki/pages/viewpage.action?pageId=5373971 From xvilajosana@eecs.berkeley.edu Fri Apr 19 09:15:24 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E03D521F95EC for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 09:15:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JcKkJMGn2Ewv for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 09:15:24 -0700 (PDT) Received: from cm03fe.IST.Berkeley.EDU (cm03fe.IST.Berkeley.EDU [169.229.218.144]) by ietfa.amsl.com (Postfix) with ESMTP id 52E0521F95E1 for <6tsch@ietf.org>; Fri, 19 Apr 2013 09:15:24 -0700 (PDT) Received: from c-67-188-198-243.hsd1.ca.comcast.net ([67.188.198.243] helo=[192.168.2.5]) by cm03fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth plain:xvilajosana@eecs.berkeley.edu) (envelope-from ) id 1UTDy7-0006Ee-9g for 6tsch@ietf.org; Fri, 19 Apr 2013 09:15:24 -0700 Message-ID: <51716D96.6060109@eecs.berkeley.edu> Date: Fri, 19 Apr 2013 09:15:18 -0700 From: Xavier Vilajosana User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: "6tsch@ietf.org" <6tsch@ietf.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [6tsch] 6tus layer X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Apr 2013 16:15:25 -0000 Hi, I'd like to follow up that discussion.. My point is close to Pascal's point, i.e 6tus is a similar "thing" as GMPLS as 6tus can decide on switching or forwarding according to the time slot when a packet comes in. That mapping of input slots/output slots in GMPLS is done by a reservation protocol that is specified by the GMPLS layer (Label Distribution Protocol) and implemented by a higher end-to-end protocol like RSVP-TE. In that sense we can see 6tus as the same, an entity that runs on layer 2.xx and knows about time slots and when a track is scheduled knows when (what time slot) has to be used to forward a packet coming at a specific time slot. what are your thought? X From twatteyne@gmail.com Fri Apr 19 09:23:47 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E016421F9605 for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 09:23:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.215 X-Spam-Level: X-Spam-Status: No, score=-0.215 tagged_above=-999 required=5 tests=[AWL=0.097, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, NO_RELAYS=-0.001, SARE_HTML_USL_OBFU=1.666] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bZRYz8SAuYja for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 09:23:45 -0700 (PDT) Received: from mail-ea0-x233.google.com (mail-ea0-x233.google.com [IPv6:2a00:1450:4013:c01::233]) by ietfa.amsl.com (Postfix) with ESMTP id 8EA3F21F89A5 for <6tsch@ietf.org>; Fri, 19 Apr 2013 09:23:44 -0700 (PDT) Received: by mail-ea0-f179.google.com with SMTP id h14so1074950eaj.24 for <6tsch@ietf.org>; Fri, 19 Apr 2013 09:23:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; bh=Dw2kYh2DKt8PB+wxiQ3T34MKWA2jorRuGlwXGKNSDhM=; b=Zu48n9rassSF+ZUWhFkabg6D1SczL2lZ97Br5WEeG8LLTC5+o+kIR5YVICZnY+p73G Zt6KXHpChIsWkGlsBcvJr8UASF7xu70h5dCg9lJ+qr3RMw0xmTRwArzAXDATJbNiFN/x O4dXXkb1JUgjg3SS5Pdb4L5hWav1vfFQ6NiuVsxeXaBn8OAFee7M1CNfg1h2gjOADlvX supWOLjcxaB6wjV1d6Qt6pB3GLY3KbIgebuuV7MgI+6cfcMwOdUyj39sUlvT/i9o60/B jGpp3rENMZrkhwWDy4Gh/rhsxiaicUkpA6LGwd2q16KPmSnJfqZ3lpJdy0N9K3IKUiN0 YTtg== X-Received: by 10.15.101.200 with SMTP id bp48mr43163345eeb.38.1366388623615; Fri, 19 Apr 2013 09:23:43 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.14.144.10 with HTTP; Fri, 19 Apr 2013 09:23:23 -0700 (PDT) In-Reply-To: <5171289F.8010104@demil.be> References: <5171289F.8010104@demil.be> From: Thomas Watteyne Date: Fri, 19 Apr 2013 09:23:23 -0700 X-Google-Sender-Auth: q_JMXkdIsozvuVthx1wljl0Qf4A Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=089e016340308955c504dab92428 Subject: Re: [6tsch] Wireshark dissectors for IEEE802.15.4e TSCH? X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Apr 2013 16:23:47 -0000 --089e016340308955c504dab92428 Content-Type: text/plain; charset=ISO-8859-1 Pieter, This is great. We quickly discussed this on the 6TSCH call today, I believe these dissectors will be extremely useful for any future interop event. Incidentally, I'm meeting with Colin next week in San Jose to talk Wireshark. After that meeting, I will be very happy to contribute and help testing your dissector. Thomas On Fri, Apr 19, 2013 at 4:21 AM, Pieter De Mil wrote: > Hi, > > I'm working on an IEEE 802.15.4e TSCH dissector for Wireshark. > > https://github.com/pdemil/**802154e-wireshark > > Feel free to contribute. > > best regards, > Pieter > > > > On 04/11/13 08:43, Thomas Watteyne wrote: > >> All, >> >> Within this group, we have several implementations ongoing/running of >> IEEE802.15.4e, and we will hopefully soon start talking about interop. To >> simplify testing and development, it would be fantastic to be able to >> analyze packets in Wireshark. >> >> Wireshark's ZEP dissector [1] allows one to very easily inject packet >> from a USB connected mote. ZEP indicates the frequency the packet was >> received on, so one can imagine having 16 different USB boards, each >> sniffing a different frequencies. We could have those boards actually >> synchronize to the network, and report the ASN the packet was received on >> in the timestamp field of the ZEP header. This would allow us to >> reconstruct the exact data exchange, also in time. Finally, using a tun >> interface can be an alternative to ZEP, also in Windows [2]. >> >> The last piece missing then is a IEEE802.15.4e TSCH dissector. I am not >> aware of any in Wireshark, but we might have just the right Wireshark >> dissector-guru in this group. Any volunteers for writing such a dissector? >> >> Thomas >> >> [1] http://wiki.wireshark.org/**IEEE_802.15.4 >> [2] https://openwsn.atlassian.net/**wiki/pages/viewpage.action?** >> pageId=5373971 >> > > ______________________________**_________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/**listinfo/6tsch > --089e016340308955c504dab92428 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
    Pieter,

    This is great. We q= uickly discussed this on the 6TSCH call today, I believe these dissectors w= ill be extremely useful for any future interop event.

    Incidentally, I'm meeting with Colin next week in San = Jose to talk Wireshark. After that meeting, I will be very happy to contrib= ute and help testing your dissector.

    Thomas


    On Fri, Apr 19, 2013 at 4:21 AM, Pieter De Mil <<= a href=3D"mailto:pieter@demil.be" target=3D"_blank">pieter@demil.be>= wrote:
    =A0Hi,

    I'm working on an IEEE 802.15.4e TSCH dissector for Wireshark.

    h= ttps://github.com/pdemil/802154e-wireshark

    Feel free to contribute.

    best regards,
    Pieter



    On 04/11/13 08:43, Thomas Watteyne wrote:
    All,

    Within this group, we have several implementations ongoing/running of IEEE8= 02.15.4e, and we will hopefully soon start talking about interop. To simpli= fy testing and development, it would be fantastic to be able to analyze pac= kets in Wireshark.

    Wireshark's ZEP dissector [1] allows one to very easily inject packet f= rom a USB connected mote. ZEP indicates the frequency the packet was receiv= ed on, so one can imagine having 16 different USB boards, each sniffing a d= ifferent frequencies. We could have those boards actually synchronize to th= e network, and report the ASN the packet was received on in the timestamp f= ield of the ZEP header. This would allow us to reconstruct the exact data e= xchange, also in time. Finally, using a tun interface can be an alternative= to ZEP, also in Windows [2].

    The last piece missing then is a IEEE802.15.4e TSCH dissector. I am not awa= re of any in Wireshark, but we might have just the right Wireshark dissecto= r-guru in this group. Any volunteers for writing such a dissector?

    Thomas

    [1] h= ttp://wiki.wireshark.org/IEEE_802.15.4
    [2] https://openwsn.atlassian.net/wiki/= pages/viewpage.action?pageId=3D5373971

    _______________________________________________
    6tsch mailing list
    6tsch@ietf.org
    h= ttps://www.ietf.org/mailman/listinfo/6tsch

    --089e016340308955c504dab92428-- From qinwang@berkeley.edu Fri Apr 19 18:52:13 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 88FD521F9265 for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 18:52:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id A0KH1TGgi8aI for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 18:52:13 -0700 (PDT) Received: from cm03fe.IST.Berkeley.EDU (cm03fe.IST.Berkeley.EDU [169.229.218.144]) by ietfa.amsl.com (Postfix) with ESMTP id E66F121F9227 for <6tsch@ietf.org>; Fri, 19 Apr 2013 18:52:10 -0700 (PDT) Received: from cm04ws.ist.berkeley.edu ([169.229.218.166] helo=calmail.berkeley.edu) by cm03fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth login:qinwang@berkeley.edu) (envelope-from ) id 1UTMyH-0006hu-CY; Fri, 19 Apr 2013 18:52:10 -0700 Received: from 103.8.222.42 (SquirrelMail authenticated user qinwang@berkeley.edu) by calmail.berkeley.edu with HTTP; Fri, 19 Apr 2013 18:52:09 -0700 Message-ID: In-Reply-To: <51716D96.6060109@eecs.berkeley.edu> References: <51716D96.6060109@eecs.berkeley.edu> Date: Fri, 19 Apr 2013 18:52:09 -0700 From: "Qin Wang" To: "Xavier Vilajosana" User-Agent: SquirrelMail/1.4.21-2.berkeley MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: "6tsch@ietf.org" <6tsch@ietf.org> Subject: Re: [6tsch] 6tus layer X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Apr 2013 01:52:13 -0000 Pascal and Xavi, I agree that the behavior of 6tus looks like GMPLS in terms of forwarding data packets. But, it seems to me that GMPLS uses Label in packet to "replace" IP address in selecting next hop, that meets the encapsulation criterion of Layering. But, 6tus does not function in this way, i.e. it selects the cell and next hop according the TSCH schedule in local. Correct? Qin > Hi, I'd like to follow up that discussion.. > > My point is close to Pascal's point, i.e 6tus is a similar "thing" as > GMPLS as 6tus can decide on switching or forwarding according to the > time slot when a packet comes in. That mapping of input slots/output > slots in GMPLS is done by a reservation protocol that is specified by > the GMPLS layer (Label Distribution Protocol) and implemented by a > higher end-to-end protocol like RSVP-TE. In that sense we can see 6tus > as the same, an entity that runs on layer 2.xx and knows about time > slots and when a track is scheduled knows when (what time slot) has to > be used to forward a packet coming at a specific time slot. > > what are your thought? > > X > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > From xvilajosana@eecs.berkeley.edu Fri Apr 19 19:01:59 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 36CB521F8E36 for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 19:01:59 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6kL2vc4dQEr0 for <6tsch@ietfa.amsl.com>; Fri, 19 Apr 2013 19:01:58 -0700 (PDT) Received: from cm02fe.IST.Berkeley.EDU (cm02fe.IST.Berkeley.EDU [169.229.218.143]) by ietfa.amsl.com (Postfix) with ESMTP id B613021F875C for <6tsch@ietf.org>; Fri, 19 Apr 2013 19:01:58 -0700 (PDT) Received: from c-67-188-198-243.hsd1.ca.comcast.net ([67.188.198.243] helo=[192.168.2.5]) by cm02fe.ist.berkeley.edu with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (auth plain:xvilajosana@eecs.berkeley.edu) (envelope-from ) id 1UTN7l-0004nL-8S; Fri, 19 Apr 2013 19:01:58 -0700 Message-ID: <5171F711.4050200@eecs.berkeley.edu> Date: Fri, 19 Apr 2013 19:01:53 -0700 From: Xavier Vilajosana User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: Qin Wang References: <51716D96.6060109@eecs.berkeley.edu> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: "6tsch@ietf.org" <6tsch@ietf.org> Subject: Re: [6tsch] 6tus layer X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Apr 2013 02:01:59 -0000 Hi Qin, GMPLS does not use in-packet labels, the labels are known at each node and the switching is done according to the input time-slot which is matched to an output time slot (this applies also for lambda switching and wave-length switching supported by GMPLS). So I think that our concept is the same, 6tus works on the schedule and can know what slots are used to send to the next hop in the track, therefore if we consider that 6tus have to deal with switching of packets it is a feature that we can address easily. cheers Xavi On 19/04/13 18:52, Qin Wang wrote: > Pascal and Xavi, > > I agree that the behavior of 6tus looks like GMPLS in terms of forwarding > data packets. But, it seems to me that GMPLS uses Label in packet to > "replace" IP address in selecting next hop, that meets the encapsulation > criterion of Layering. But, 6tus does not function in this way, i.e. it > selects the cell and next hop according the TSCH schedule in local. > Correct? > > Qin > > >> Hi, I'd like to follow up that discussion.. >> >> My point is close to Pascal's point, i.e 6tus is a similar "thing" as >> GMPLS as 6tus can decide on switching or forwarding according to the >> time slot when a packet comes in. That mapping of input slots/output >> slots in GMPLS is done by a reservation protocol that is specified by >> the GMPLS layer (Label Distribution Protocol) and implemented by a >> higher end-to-end protocol like RSVP-TE. In that sense we can see 6tus >> as the same, an entity that runs on layer 2.xx and knows about time >> slots and when a track is scheduled knows when (what time slot) has to >> be used to forward a packet coming at a specific time slot. >> >> what are your thought? >> >> X >> _______________________________________________ >> 6tsch mailing list >> 6tsch@ietf.org >> https://www.ietf.org/mailman/listinfo/6tsch >> > From twatteyne@gmail.com Mon Apr 22 21:48:46 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1762821F90A1 for <6tsch@ietfa.amsl.com>; Mon, 22 Apr 2013 21:48:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.795 X-Spam-Level: X-Spam-Status: No, score=-0.795 tagged_above=-999 required=5 tests=[AWL=0.581, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, J_CHICKENPOX_42=0.6] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id urVO+7KT6sdL for <6tsch@ietfa.amsl.com>; Mon, 22 Apr 2013 21:48:43 -0700 (PDT) Received: from mail-pd0-f171.google.com (mail-pd0-f171.google.com [209.85.192.171]) by ietfa.amsl.com (Postfix) with ESMTP id 92ED621F88A9 for <6tsch@ietf.org>; Mon, 22 Apr 2013 21:48:43 -0700 (PDT) Received: by mail-pd0-f171.google.com with SMTP id t12so171407pdi.30 for <6tsch@ietf.org>; Mon, 22 Apr 2013 21:48:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:from:date:x-google-sender-auth :message-id:subject:to:content-type; bh=SqveagjSNXckGRSwJKjrWlvz6aYb+kJ3IYbPSqVuDC4=; b=MubSmXLqdnvXxMURwew8EbeaMuqUgG2wpImnHKCDWxNeSPm5yDjt8bhi8JAVGw916T kvpihFoKJoNqC4hXrGy8+qYnmeTcmQICP+gwcCUnKyW7b/D0x9HBlCkoQd8kKmKSMx3i x0yoDZbnCCr6/KjN0cib9DesHyYNrH7WPB9AR/KJPwtPaHw1FrQWgsJAiGIwazLggsLs aJ49o/qtAj5XOnzU4vqE27w6AuP6rvUw/nACtd5FUXmkudu+hHx5P6T/T9IXH5d/hkx/ RF9GOwbcBaEfeX/IN1OfR5n9Ol0I9EIflvNh7eJP1pd0b8/mFH4uo8IUXVlBqT3ZVChg CnHA== X-Received: by 10.68.108.196 with SMTP id hm4mr37140919pbb.88.1366692523302; Mon, 22 Apr 2013 21:48:43 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.191.74 with HTTP; Mon, 22 Apr 2013 21:48:23 -0700 (PDT) From: Thomas Watteyne Date: Mon, 22 Apr 2013 21:48:23 -0700 X-Google-Sender-Auth: kMii1tHwiGtjaucbDUnGE4m8YqM Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/mixed; boundary=047d7b621d1c5e66dc04daffe667 Subject: [6tsch] minutes WebEx 19 April 2013 X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Apr 2013 04:48:46 -0000 --047d7b621d1c5e66dc04daffe667 Content-Type: multipart/alternative; boundary=047d7b621d1c5e66d904daffe665 --047d7b621d1c5e66d904daffe665 Content-Type: text/plain; charset=ISO-8859-1 All, You will find the minutes of the last webex below, and the presented slides attached. Thanks to Xavi and Dominique for taking notes). Please fix anything I might have missed directly in the e-mail and reply. These minutes and slides are archived at https://bitbucket.org/6tsch/meetings/. Thomas ---- Note: timestamps in PDT. Taking notes (using Etherpad) ------------------------------- 1. Xavi Vilajosana 2. Dominique Barthel 3. Thomas Watteyne Present (alphabetically) -------------------------- * Alfredo Grieco * Dominique Barthel * Herman Storey * Maria Rita Palattella * Pascal Thubert * Raghuram Sudhaakar * Robert Assimiti * Subir Das * Thomas Watteyne * Xavi Vilajosana * Yoshihiro Obha Slides ------ * Attached Agenda ------ * change to draft charter [20min] * Rough consensus on draft draft charter? * 6tus naming convention [10min] * Next steps [20min] Minutes ------- * [08.06] [Pascal,Yoshihiro] Sync'up about security draft. Pascal met with Rene Struik, who could help us describe the key exchanges involved in a 6TSCH network. Open questions include how to bootstrap (the security aspect of) a keys, and what exact keys can be used. Yoshihiro agrees that this should be discussed. * Action Item Pascal to close the loop between Rene and Yoshihiro. * [08.10] Overview of the agenda. [Thomas] * [08.11] Changes to draft charter. [Thomas] * overview of changes: * Thomas present slides. * added term "diversity", as suggested by Tom, as well as "low power operation" > Closes https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/1/ * In the 6tus draft, limiting the scope of bootstrapping to TSCH, not security. As suggested by Michael. > Closes https://bitbucket.org/6tsch/charter-ietf-6tsch/issue/2/ * 6tus layer initializes the TSCH vs initializes the whole network. * [Pascal] depends on whether we have the capability to do that work or not. Boostrapping the network will be better objective but depends on the 6tus draft. 6tus should cover boostraping slots, cells, etc. Security is part of the security work item. * [Robert] distinguish between network boostrapping and security boostrapping makes sense. Boostrapping the network is simple, security aspects are more complex and this has to be in another work item. Security can be operated from the link layer, etc... too much for the same work item * [Thomas] Let's keep the text as it is now (and as it is on the slide), le's deal with security in security work item. * Action Item Thomas maybe change the nature (informational) of the security work item. * overview of charter * Thomas shows charter on shared screen. * introduction has grows a lot. Longer than usual charter. Leave it as this? * [Pascal] Other PHY? provide different sizes for the time slot? make sure that we agree on working group description: the same as previous weeks. Models: centralized, decentralized, best efforts (minimal configuration) * [Pascal] Determinsm: should we use the term? Let's agree on what we can achieve. Using 6TSCH, we can provision a track, and know the probability of end-to-end delivery. Yet, you cannot never have 100% reliability, because of the nature of wireless. * [Herman] Determinsim depends on the applications. Applications have a tolerance, if you are polling it is not deterministic, applies to schedule transmission and comes with the tolerance (robot == few ms), you can have a network that is not scheduled but provides determinsm because it is fast enough. Scale and tolerance are important considerations, slotted is a practical artifact to implement determinism, clarify whether the determinism "word" should appear as is in the charter. (keep in but discuss what it means in our context) * [Pascal] We need to be ready for discussions about determinsim in the BOF. * work items. * 6 as defined before * non-milestone work items: * implementers guide * inter-operability guide * coexistence guide between different protocols (including different TSCH) * applicability statement * All as informational RFCs. * [Thomas] Can we reach a consensus on the draft charter language? * [all] Rough consensus. * what to call 6tus. * [Thomas] overview of the mailing list (not expressing opinion) * 6tus not adaptation layer, since it does not try to fit one protocol into another * no layer as there are no fields added * [Pascal] * disagree with this statement, since time and frequency packet is sent on contains inforamtion, and can be used as a label. * 6tus has a GMPLS aspect, 6tus layer can switch packets exactly like GMPLS. We can see 6tus as GMPLS (2.5 layer) that "substitutes" routing once the schedule is set. So it has some relationship to a layer. It is not an adaptation layer (no transformation), but it can be described as a layer. * [Robert] * As 6tus is a mechanism to agree between the PCE and the node, 6tus should be called a "protocol". * A management entity is not a layer. * It is important to clarify whether 6tus includes information on the headers, and when used. This is a good indications of the kind of "thing" we are talking. * [Pascal] * We have to see 6tus as GMPLS. It is a layer that is able to decide on routing (what is the next hop) acording to the cell the packet was received on. A node using 6tus can not forward a packet to the routing layer if it knows that a packet was received on a particular cell, and if it has some switching table mapping incoming to outgoing cells. Packets which can not be switched can be forwarded by the normal routing engine (RPL). * [Dominique] * In that sense 6tus is a layer that can forward packets (layer 2.25?). * Next steps * [Thomas] With rough consensus on draft charter text, let's resume our technical discussions. * First step is to clean up our drafts, as suggested by Adrian during last webex. * went over all drafts, and contacted authors to discuss possible changes. * Identified issues to be closed before submitting a new version of the draft * Let's get this done in the next couple of weeks. * [09.04] * Action Item Thomas Call for adoption draft charter text. * [09.05] * meeting ends --047d7b621d1c5e66d904daffe665 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
    All,

    You will find the = minutes of the last webex below, and the presented slides attached. Thanks = to Xavi and Dominique for taking notes). Please fix anything I might have m= issed directly in the e-mail and reply.

    These minutes and slides are archived at https://bitbucket.org= /6tsch/meetings/.

    Thomas

    ----

    Note: timestamps = in PDT.

    <= /div>
    Taking notes (using Etherpa= d)
    -------------------------------<= /font>

    1. Xavi Vilajosana
    2. Dominique Barthel
    3. Thomas Watteyne
    <= div>
    Present (alphabetically)
    --------------------------

    * Alfredo Grieco
    * Dominique Barthel
    * Herman Storey
    * Maria Rita Palattella
    * Pascal Thubert
    * Raghuram Sudhaakar
    * Robert Assimiti
    * Subir Das
    * Thomas Watteyne
    * Xavi Vilajosana
    * Yoshihiro Obha

    Slides
    ------

    * Attached

    Agenda
    ------

    * change to draft charter [20min]
    * Rough consensus on draft draft charter?
    * 6tus naming convention [10min]=
    * Next steps [20min= ]

    <= div> Minutes
    -------
    * [08.06] [Pascal,Yoshihiro] Sync'up about security dra= ft. Pascal met with Rene Struik, who could help us describe the key exchang= es involved in a 6TSCH network. Open questions include how to bootstrap (th= e security aspect of) a keys, and what exact keys can be used. Yoshihiro ag= rees that this should be discussed.
    =A0 =A0 * Action Item Pascal to = close the loop between Rene and Yoshihiro.
    * [08.10] =A0Overview of the agenda. [Thomas]=
    * [08.11] Changes to draft chart= er. [Thomas]
    =A0 =A0= * overview of changes:
    =A0 =A0 =A0 =A0 * Thomas present slides.
    =A0 =A0 =A0 =A0 * added term &qu= ot;diversity", as suggested by Tom, as well as "low power operati= on"
    =A0 =A0 =A0 =A0 * In the 6tus dr= aft, limiting the scope of bootstrapping to TSCH, not security. As suggeste= d by Michael.
    =A0 =A0 =A0 =A0 =A0 =A0 * 6tus = =A0layer =A0initializes the TSCH vs initializes the whole network.
    =A0 =A0 =A0 =A0 =A0 =A0 * [P= ascal] depends on whether we have the capability to do that work or not. Bo= ostrapping the network will be better objective but depends on the 6tus dra= ft. 6tus should cover boostraping slots, cells, etc. Security is part of th= e security work item.
    =A0 =A0 =A0 =A0 =A0 =A0 * [Rober= t] distinguish between network boostrapping and security boostrapping makes= sense. Boostrapping the network is simple, security aspects are more compl= ex and this has to be in another work item. Security can be operated from t= he link layer, etc... too much for the same work item
    =A0 =A0 =A0 =A0 =A0 =A0 * [Thoma= s] Let's keep the text as it is now (and as it is on the slide), le'= ;s deal with security in security work item.
    =A0 =A0 =A0 =A0 =A0 =A0 * Action Item Thomas maybe= change the nature (informational) of the security work item.
    =A0 =A0 * overview of charter
    =A0 =A0 =A0 =A0 * Thom= as shows charter on shared screen.
    =A0 =A0 =A0 =A0 * introduction has grows a lot. Longer than = usual charter. Leave it as this?
    =A0 =A0 =A0 =A0 * [Pascal] Other= PHY? provide different sizes for the time slot? make sure that we agree on= working group description: the same as previous weeks. Models: centralized= , decentralized, best efforts (minimal configuration)
    =A0 =A0 =A0 =A0 * [Pascal] Deter= minsm: should we use the term? Let's agree on what we can achieve. Usin= g 6TSCH, we can provision a track, and know the probability of end-to-end d= elivery. Yet, you cannot never have 100% reliability, because of the nature= of wireless.
    =A0 =A0 =A0 =A0 * [Herman] Deter= minsim depends on the applications. Applications have a tolerance, if you a= re polling it is not deterministic, applies to schedule transmission and co= mes with the tolerance (robot =3D=3D few ms), =A0you can have a network tha= t is not scheduled but provides determinsm because it is fast enough. Scale= and =A0tolerance are important considerations, slotted is a practical arti= fact to implement determinism, clarify whether the determinism "word&q= uot; should appear as is in the charter. (keep in but discuss what it means= in our context)
    =A0 =A0 =A0 =A0 * [Pascal] We ne= ed to be ready for discussions about determinsim in the BOF.
    =A0 =A0 * work items.
    =
    =A0 =A0 =A0 =A0 * 6 as defined b= efore
    =A0 =A0 * non-milestone work ite= ms:
    =A0 =A0 =A0 =A0 = * implementers guide
    =A0 =A0 =A0 =A0 * inter-operability guide
    =A0 =A0 =A0 =A0 * coexistence gu= ide between different protocols =A0(including different TSCH)
    <= div>=A0 =A0 =A0 =A0 * applicability s= tatement
    =A0 =A0 =A0 =A0 * All as informa= tional RFCs.
    =A0 =A0= * [Thomas] Can we reach a consensus on the draft charter language?<= /div>
    =A0 =A0 =A0 =A0 * [all] Rou= gh consensus.
    * what to call 6tus.
    =A0 =A0 * [Thomas] overview of = the mailing list (not expressing opinion)=A0
    =A0 =A0 =A0 =A0 * 6tus not adaptation layer, since= it does not try to fit one protocol into another
    =A0 =A0 =A0 =A0 * no layer as th= ere are no fields added=A0
    =A0 =A0 =A0 =A0 =A0 =A0 * [Pascal]
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 * disagree with this = statement, since time and frequency packet is sent on contains inforamtion,= and can be used as a label.
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = * 6tus has a GMPLS aspect, =A06tus layer can switch packets exactly like GM= PLS. We can see 6tus as GMPLS (2.5 layer) that "substitutes" rout= ing once the schedule is set. So it has some relationship to a layer. It is= not an adaptation layer (no transformation), but it can be described as a = layer.
    =A0 =A0 =A0 =A0 =A0 =A0 * [Rober= t]
    =A0 =A0 =A0 =A0 = =A0 =A0 =A0 =A0 * As 6tus is a mechanism to agree between the PCE and the n= ode, 6tus should be called a "protocol".
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = * A management entity is not a layer.
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 * It is important to clar= ify whether 6tus includes information on the headers, and when used. This = =A0is a good indications of the kind of "thing" we are talking.
    =A0 =A0 =A0 =A0 =A0 =A0 * [Pasca= l]
    =A0 =A0 =A0 =A0 = =A0 =A0 =A0 =A0 * We have to see 6tus as GMPLS. It is a layer that is able = to decide on routing (what is the next hop) acording to the cell the packet= was received on. A node using 6tus can not forward a packet to the routing= layer if it knows that a packet was received on a particular cell, and if = it has some switching table mapping incoming to outgoing cells. Packets whi= ch can not be switched can be forwarded by the normal routing engine (RPL).= =A0
    =A0 =A0 =A0 =A0 =A0 =A0 * [Domin= ique]
    =A0 =A0 =A0 = =A0 =A0 =A0 =A0 =A0 * In that sense 6tus is a layer that can forward packet= s (layer 2.25?).
    * Next steps
    =A0 =A0 * [Thomas] With rough consensus= on draft charter text, let's resume our technical discussions.<= /div>
    =A0 =A0 * First step is to clean= up our drafts, as suggested by Adrian during last webex.
    = =A0 =A0 * went over all drafts, and c= ontacted authors to discuss possible changes.
    =A0 =A0 * Identified issues to b= e closed before submitting a new version of the draft
    =A0 =A0 * Let's get this done in the = next couple of weeks.
    * [09.04]
    =A0 =A0 * Action Item Thomas Call fo= r adoption draft charter text.
    * [09.05]
    =A0 =A0 * meeting ends
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<6tsch@ietfa.amsl.com>; Tue, 23 Apr 2013 21:32:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.789 X-Spam-Level: X-Spam-Status: No, score=-1.789 tagged_above=-999 required=5 tests=[AWL=1.187, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0R20IS9LdAt9 for <6tsch@ietfa.amsl.com>; Tue, 23 Apr 2013 21:32:18 -0700 (PDT) Received: from mail-pa0-f50.google.com (mail-pa0-f50.google.com [209.85.220.50]) by ietfa.amsl.com (Postfix) with ESMTP id 52A9121F92B2 for <6tsch@ietf.org>; Tue, 23 Apr 2013 21:32:18 -0700 (PDT) Received: by mail-pa0-f50.google.com with SMTP id bg4so911314pad.23 for <6tsch@ietf.org>; Tue, 23 Apr 2013 21:32:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:from:date:x-google-sender-auth :message-id:subject:to:content-type; bh=uy/Je7Li9h4g6l1002HYlsMqQMUXx3R2FdZ/4i5y92E=; b=sOmLykpk/I6knMiUA0vGQQmI+noiSHcjn6mpipTS1HWK+6B5w6s3C/M8KtafQxs90d Ok46SYmn0+qpxHsn7D0w+9XvmyPOY+pO+qUvcVhqKJarqTrxV31tpVKv8OBgRQV2ckPX AJC25FKhGwQ2Sr8CeyyY4UqmgvzOQHmjCfFd0d9TmPTP499Vz/vr8L7YnZvDiQ5q4hQv cPvBqKe3sxqDpuPfBKxxhGI6i/uZDnlptkGev4NBeEGE3M36FxSXd+4NKQIxuQTakYfw yMqy/2iNznrFKeAim4QzZFbG8oJjHI3zRvTdO3TOzvmmNijkxKZfFz6rOXQKoDHWbuhB 2d6Q== X-Received: by 10.68.225.133 with SMTP id rk5mr43947036pbc.143.1366777937906; Tue, 23 Apr 2013 21:32:17 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.191.74 with HTTP; Tue, 23 Apr 2013 21:31:56 -0700 (PDT) From: Thomas Watteyne Date: Tue, 23 Apr 2013 21:31:56 -0700 X-Google-Sender-Auth: wPe9ffcYitfdN5g_1eO28BUfxFY Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7beb9da079d30804db13c92d Subject: [6tsch] synchronization between BBRs X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Apr 2013 04:32:19 -0000 --047d7beb9da079d30804db13c92d Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable All, I would like to resume the discussion we had some weeks ago concerning synchronization between BBRs. The topology of interest is the one below, in which multiple BBRs are present in the network. There can be several advantages of having multiple BBRs, including: - load balancing between BBRs - better overall latency - greater (path) diversity - the ability to use a single PCE to manage the multi-BBR LLN I'm borrowing the figure below from draft-thubert-6lowpan-backbone-router-03: ---+------------------------ | External Network | +-----+ +-----+ | | Router | | PCE / | | | | Common Net Mgt +-----+ +-----+ | | | Subnet Backbone | +--------------------+------------------+ | | | +-----+ +-----+ +-----+ | | Backbone | | Backbone | | Backbone o | | router | | router | | router +-----+ +-----+ +-----+ o o o o o o o o o o o o o o o o o o o LLN o o o o o o o o o o o o o o o o In the TSCH context, we have the specificity that our nodes are synchronized. To be specific, a node's clock needs to be with one guard time (GT, typically 1ms) of its neighbors'. If we want to take full advantage of having multiple BBRs (including the possibility for a node to "roam" from one BBR to the next), we need the BBRs to be synchronized. More specifically, we need each BBR to be synchronized within a GT of the nodes surrounding it. As discussed in earlier threads, there are several techniques one can think of, which can be classified as in-band (synchronize over the LLN) or out-of-band (synchronize using a protocol over the BB, or using a common clock source such as GPS). In-band has some advantages (e.g. BBR can consist of the same HW as non-BBR nodes), out-of-band has others (e.g. LLN does no need to be fully connected all the time). Given this context, I would like to propose the following statements to the mailing list, and request you comments: Statement 1. "When multiple BBRs are interconnected by a backbone, these BBRs MAY be synchronized." Statement 2. =93When BBRs are synchronized, their relative de-synchronizati= on should be in the order of the de-synchronization between two neighbor nodes in the network.=94 Statement 3. "The mechanism used for synchronizing BBRs is implementation-specific." Thomas --047d7beb9da079d30804db13c92d Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable
    All,

    I would like to resume the d= iscussion we had some weeks ago concerning=A0synchronization=A0between BBRs= .=A0

    The topology of interest is the o= ne below, in which multiple BBRs are present in the network. There can be s= everal advantages of having multiple BBRs, including:
    - load balancing between BBRs
    - better overall l= atency
    - greater (path) diversity
    - the abi= lity to use a single PCE to manage the multi-BBR LLN

    I'm borrowing the figure below from draft-thubert-6low= pan-backbone-router-03:

    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0---+-----------------= -------=A0
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 | =A0 =A0 =A0External Network=A0
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 |=A0
    = =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0+-----= + =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0+-----+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 =A0 =A0 =A0 =A0=A0
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0|= =A0 =A0 | Router =A0 =A0 =A0 =A0 =A0 | =A0 =A0 | PCE /
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0 = =A0 | =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0 =A0 | Common Net Mgt=A0
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0+= -----+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0+-----+
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 | =A0 =A0= =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0|
    =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 | =A0 =A0 Subnet = Backbone =A0 =A0|
    =A0 =A0 =A0 =A0 =A0 =A0 +-------= -------------+------------------+=A0
    =A0 =A0 =A0 =A0 =A0 =A0 | =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 =A0| =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0|=A0
    =A0 =A0 =A0 =A0 =A0+-----+ =A0 =A0 = =A0 =A0 =A0 =A0 +-----+ =A0 =A0 =A0 =A0 =A0 =A0 +-----+=A0
    =A0 =A0 =A0 =A0 =A0| =A0 =A0 | Backb= one =A0 =A0| =A0 =A0 | Backbone =A0 =A0| =A0 =A0 | Backbone
    =A0 =A0 o =A0 =A0| =A0 =A0 | rou= ter =A0 =A0 =A0| =A0 =A0 | router =A0 =A0 =A0| =A0 =A0 | router=A0
    =A0 =A0 =A0 =A0 =A0+-----+ = =A0 =A0 =A0 =A0 =A0 =A0 +-----+ =A0 =A0 =A0 =A0 =A0 =A0 +-----+=A0
    =A0 =A0 o =A0 =A0 =A0 =A0 =A0 = =A0 =A0 =A0 =A0o =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 o =A0 =A0 =A0 =A0 =A0 = =A0 =A0 =A0 o =A0 o
    = =A0 =A0 =A0 =A0 o =A0 =A0o =A0 o =A0 =A0 =A0 =A0 o =A0 o =A0o =A0 o =A0 =A0= =A0 =A0 o =A0o =A0 o =A0 =A0o=A0
    =A0 =A0o =A0 =A0 =A0 =A0 =A0 =A0= o =A0 =A0 =A0 =A0o =A0LLN =A0 =A0 =A0o =A0 =A0 =A0o =A0 =A0 =A0 =A0 o =A0 = =A0 =A0o
    =A0 =A0 =A0= o =A0 o =A0 =A0o =A0 =A0 =A0o =A0 =A0 =A0o o =A0 =A0 o =A0o =A0 o =A0 =A0o= =A0 =A0o =A0 =A0 o


    In the TSCH context, we have the specifi= city that our nodes are synchronized. To be specific, a node's clock ne= eds to be with one guard time (GT, typically 1ms) of its neighbors'. If= we want to take full advantage of having multiple BBRs (including the poss= ibility for a node to "roam" from one BBR to the next), we need t= he BBRs to be synchronized. More specifically, we need each BBR to be synch= ronized within a GT of the nodes surrounding it.

    As discussed in earlier threads, there are severa= l techniques one can think of, which can be classified as in-band (synchron= ize over the LLN) or out-of-band (synchronize using a protocol over the BB,= or using a common clock source such as GPS). In-band has some advantages (= e.g. BBR can consist of the same HW as non-BBR nodes), out-of-band has othe= rs (e.g. LLN does no need to be fully connected all the time).

    Given this context, I would like to propose= the following statements to the mailing list, and request you comments:

    Statement 1. "When multiple BB= Rs are interconnected by a backbone, these BBRs MAY be synchronized."<= /div>
    Statement 2. =93When BBRs are synchronized, their relative de-synchron= ization should be in the order of the de-synchronization between two neighb= or nodes in the network.=94
    Statement 3. "The mechanism used= for synchronizing BBRs is implementation-specific."

    Thomas
    --047d7beb9da079d30804db13c92d-- From pthubert@cisco.com Thu Apr 25 10:19:12 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 46BC121F96D8 for <6tsch@ietfa.amsl.com>; Thu, 25 Apr 2013 10:19:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.088 X-Spam-Level: X-Spam-Status: No, score=-9.088 tagged_above=-999 required=5 tests=[AWL=-0.910, BAYES_00=-2.599, EXTRA_MPART_TYPE=1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8, SARE_GIF_ATTACH=1.42] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jiV9jWIwP3Rm for <6tsch@ietfa.amsl.com>; Thu, 25 Apr 2013 10:19:10 -0700 (PDT) Received: from rcdn-iport-2.cisco.com (rcdn-iport-2.cisco.com [173.37.86.73]) by ietfa.amsl.com (Postfix) with ESMTP id B36FD21F96D6 for <6tsch@ietf.org>; Thu, 25 Apr 2013 10:19:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=96123; q=dns/txt; s=iport; t=1366910349; x=1368119949; h=from:to:subject:date:message-id:mime-version; bh=/KtruI5t6Hvng0WrLtOihJYJ+7sJwjm0PgFMb5Tjcmg=; b=RHZukiOaf7AeyfnAHx878gDjSbAygi1qLTPQCO6KTMPhhBYFxov6x0L8 aSwLBUMXXWNudiU5pYJAv99V8/uctVQHbYskUDSe4OCJKT5fgsCuuw1dd qT0y+t+oWzUfTO3eC2dzG6TeyBwzC+nM7VWu242jRKLA3HwX3bv2/QUkN 4=; X-Files: image001.png, image002.gif : 62865, 87 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlkGAHJkeVGtJXG+/2dsb2JhbABRgkJENr4ugQQWbQeCIQEEBSAIATYLGAQBGgsBAQECHQkFEAQCCQwUAw8BBBIBCAaIBgyfB59NBI1vgREFBgQogm5hA41Pg0IBhy+PfYMOgWoEBRce X-IronPort-AV: E=Sophos;i="4.87,551,1363132800"; d="gif'147?png'147,150?scan'147,150,208,217,147,150";a="203047024" Received: from rcdn-core2-3.cisco.com ([173.37.113.190]) by rcdn-iport-2.cisco.com with ESMTP; 25 Apr 2013 17:19:09 +0000 Received: from xhc-aln-x07.cisco.com (xhc-aln-x07.cisco.com [173.36.12.81]) by rcdn-core2-3.cisco.com (8.14.5/8.14.5) with ESMTP id r3PHJ988019325 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL) for <6tsch@ietf.org>; Thu, 25 Apr 2013 17:19:09 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.56]) by xhc-aln-x07.cisco.com ([173.36.12.81]) with mapi id 14.02.0318.004; Thu, 25 Apr 2013 12:19:09 -0500 From: "Pascal Thubert (pthubert)" To: "6tsch@ietf.org" <6tsch@ietf.org> Thread-Topic: Cancelling the call tomorrow Thread-Index: Ac5B2NoXwWlHRj9eRyih7REfpVhpfw== Date: Thu, 25 Apr 2013 17:19:08 +0000 Deferred-Delivery: Thu, 25 Apr 2013 17:19:00 +0000 Message-ID: Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [10.61.214.120] Content-Type: multipart/related; boundary="_005_E045AECD98228444A58C61C200AE1BD835D51B57xmbrcdx01ciscoc_"; type="multipart/alternative" MIME-Version: 1.0 Subject: [6tsch] Cancelling the call tomorrow X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Apr 2013 17:19:12 -0000 --_005_E045AECD98228444A58C61C200AE1BD835D51B57xmbrcdx01ciscoc_ Content-Type: multipart/alternative; boundary="_000_E045AECD98228444A58C61C200AE1BD835D51B57xmbrcdx01ciscoc_" --_000_E045AECD98228444A58C61C200AE1BD835D51B57xmbrcdx01ciscoc_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable A good number of us are enjoying Easter vacations. So it is probably a good time not to have the call tomorrow 4/26. Let us resume the call next week! Cheers, [http://wwwin.cisco.com/marketing/corporate/brand/intelbrand/brandstrat/sig= nature/images/tomorrow_anthem_E.png] Pascal Thubert Research & Advanced Architecture pthubert@cisco.com Phone :+33 497 23 26 34 Mobile :+33 619 98 29 85 Cisco Systems Building D (Regus) 45 Allee des Ormes - BP1200 06254 MOUGINS cedex France Cisco.com [Think before you print.]Think before you print. This email may contain confidential and privileged material for the sole us= e of the intended recipient. Any review, use, distribution or disclosure by= others is strictly prohibited. If you are not the intended recipient (or a= uthorized to receive for the recipient), please contact the sender by reply= email and delete all copies of this message. For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/index.html --_000_E045AECD98228444A58C61C200AE1BD835D51B57xmbrcdx01ciscoc_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

    A good number of us are enjoying Easter vacations.

    So it is probably a good time not to have the call t= omorrow 4/26.

    Let us resume the call next week!

     

    Cheers,

     

     

    3D"http=


    Pascal Thubert
    Research & Advanced Architecture

    pthuber= t@cisco.com
    Phone :+33 497 23 26 34
    Mobile :+33 619 98 29 85


    Cisco Systems
    Building D (Regus) 
    45 Allee des Ormes - BP1200
    06254 MOUGINS cedex
    France
    = Cisco.com

    3D=Think before you print.

    This email may con= tain confidential and privileged material for the sole use of the intended recipient. Any review, use, distribution or disclosure by = others is strictly prohibited. If you are not the intended recipient (or au= thorized to receive for the recipient), please contact the sender by reply = email and delete all copies of this message.

    For corporate lega= l information go to:
    http://www.ci= sco.com/web/about/doing_business/legal/cri/index.html

     

     

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(localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E58DC21F983A for <6tsch@ietfa.amsl.com>; Sat, 27 Apr 2013 14:56:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.463 X-Spam-Level: X-Spam-Status: No, score=-2.463 tagged_above=-999 required=5 tests=[AWL=0.136, BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id te0TC7qsgZZZ for <6tsch@ietfa.amsl.com>; Sat, 27 Apr 2013 14:56:55 -0700 (PDT) Received: from smtp1.hushmail.com (smtp1a.hushmail.com [65.39.178.236]) by ietfa.amsl.com (Postfix) with ESMTP id 564CA21F9851 for <6tsch@ietf.org>; Sat, 27 Apr 2013 14:56:54 -0700 (PDT) Received: from smtp1.hushmail.com (smtp1a.hushmail.com [65.39.178.236]) by smtp1.hushmail.com (Postfix) with SMTP id E5F5C30ECD for <6tsch@ietf.org>; Sat, 27 Apr 2013 17:19:37 +0000 (UTC) X-hush-relay-time: 211 X-hush-relay-id: b1bd903faba185ee07e5a0ed3a1fde37 Received: from smtp.hushmail.com (w8.hushmail.com [65.39.178.52]) by smtp1.hushmail.com (Postfix) with ESMTP for <6tsch@ietf.org>; Sat, 27 Apr 2013 17:19:37 +0000 (UTC) Received: by smtp.hushmail.com (Postfix, from userid 99) id A710214DBDE; Sat, 27 Apr 2013 17:19:37 +0000 (UTC) MIME-Version: 1.0 Date: Sat, 27 Apr 2013 13:19:37 -0400 To: 6tsch@ietf.org From: johnsonhammond2@hushmail.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="UTF-8" Message-Id: <20130427171937.A710214DBDE@smtp.hushmail.com> Subject: [6tsch] Biggest Fake Conference in Computer Science X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Apr 2013 21:56:56 -0000 Biggest Fake Conference in Computer Science We are researchers from different parts of the world and conducted a study on the world’s biggest bogus computer science conference WORLDCOMP ( http://sites.google.com/site/worlddump1 ) organized by Prof. Hamid Arabnia from University of Georgia, USA. We submitted a fake paper to WORLDCOMP 2011 and again (the same paper with a modified title) to WORLDCOMP 2012. This paper had numerous fundamental mistakes. Sample statements from that paper include: (1). Binary logic is fuzzy logic and vice versa (2). Pascal developed fuzzy logic (3). Object oriented languages do not exhibit any polymorphism or inheritance (4). TCP and IP are synonyms and are part of OSI model (5). Distributed systems deal with only one computer (6). Laptop is an example for a super computer (7). Operating system is an example for computer hardware Also, our paper did not express any conceptual meaning. However, it was accepted both the times without any modifications (and without any reviews) and we were invited to submit the final paper and a payment of $500+ fee to present the paper. We decided to use the fee for better purposes than making Prof. Hamid Arabnia (Chairman of WORLDCOMP) rich. After that, we received few reminders from WORLDCOMP to pay the fee but we never responded. We MUST say that you should look at the above website if you have any thoughts to submit a paper to WORLDCOMP. DBLP and other indexing agencies have stopped indexing WORLDCOMP’s proceedings since 2011 due to its fakeness. See http://www.informatik.uni-trier.de/~ley/db/conf/icai/index.html for of one of the conferences of WORLDCOMP and notice that there is no listing after 2010. See Section 2 of http://sites.google.com/site/dumpconf for comments from well-known researchers about WORLDCOMP. The status of your WORLDCOMP papers can be changed from scientific to other (i.e., junk or non-technical) at any time. Better not to have a paper than having it in WORLDCOMP and spoil the resume and peace of mind forever! Our study revealed that WORLDCOMP is a money making business, using University of Georgia mask, for Prof. Hamid Arabnia. He is throwing out a small chunk of that money (around 20 dollars per paper published in WORLDCOMP’s proceedings) to his puppet (Mr. Ashu Solo or A.M.G. Solo) who publicizes WORLDCOMP and also defends it at various forums, using fake/anonymous names. The puppet uses fake names and defames other conferences to divert traffic to WORLDCOMP. He also makes anonymous phone calls and tries to threaten the critiques of WORLDCOMP (See Item 7 of Section 5 of above website). That is, the puppet does all his best to get a maximum number of papers published at WORLDCOMP to get more money into his (and Prof. Hamid Arabnia’s) pockets. Monte Carlo Resort (the venue of WORLDCOMP for more than 10 years, until 2012) has refused to provide the venue for WORLDCOMP’13 because of the fears of their image being tarnished due to WORLDCOMP’s fraudulent activities. That is why WORLDCOMP’13 is taking place at a different resort. WORLDCOMP will not be held after 2013. The draft paper submission deadline is over but still there are no committee members, no reviewers, and there is no conference Chairman. The only contact details available on WORLDCOMP’s website is just an email address! Let us make a direct request to Prof. Hamid arabnia: publish all reviews for all the papers (after blocking identifiable details) since 2000 conference. Reveal the names and affiliations of all the reviewers (for each year) and how many papers each reviewer had reviewed on average. We also request him to look at the Open Challenge (Section 6) at https://sites.google.com/site/moneycomp1 Sorry for posting to multiple lists. Spreading the word is the only way to stop this bogus conference. Please forward this message to other mailing lists and people. We are shocked with Prof. Hamid Arabnia and his puppet’s activities http://worldcomp-fake-bogus.blogspot.com Search Google using the keyword worldcomp fake for additional links. From pieter@demil.be Tue Apr 30 01:18:01 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0528821F9C0D for <6tsch@ietfa.amsl.com>; Tue, 30 Apr 2013 01:18:01 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.598 X-Spam-Level: X-Spam-Status: No, score=-6.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7trItYGbM0VV for <6tsch@ietfa.amsl.com>; Tue, 30 Apr 2013 01:17:54 -0700 (PDT) Received: from smtp2.ugent.be (smtp2.ugent.be [157.193.49.126]) by ietfa.amsl.com (Postfix) with ESMTP id 66DD721F9A93 for <6tsch@ietf.org>; Tue, 30 Apr 2013 01:17:53 -0700 (PDT) Received: from localhost (mcheck2.ugent.be [157.193.49.249]) by smtp2.ugent.be (Postfix) with ESMTP id 5486512C407 for <6tsch@ietf.org>; Tue, 30 Apr 2013 10:17:52 +0200 (CEST) X-Virus-Scanned: by UGent DICT Received: from smtp2.ugent.be ([157.193.49.126]) by localhost (mcheck2.UGent.be [157.193.43.11]) (amavisd-new, port 10024) with ESMTP id EPd9B3roeBAk for <6tsch@ietf.org>; Tue, 30 Apr 2013 10:17:51 +0200 (CEST) Received: from [157.193.135.168] (dhcp-zdpt-168.intec.ugent.be [157.193.135.168]) (Authenticated sender: pdemil) by smtp2.ugent.be (Postfix) with ESMTPSA id F24AE12C3F0 for <6tsch@ietf.org>; Tue, 30 Apr 2013 10:17:51 +0200 (CEST) Message-ID: <517F7E2F.10901@demil.be> Date: Tue, 30 Apr 2013 10:17:51 +0200 From: Pieter De Mil User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.11pre) Gecko/20100916 Lightning/1.0b2 Shredder/3.1.5pre MIME-Version: 1.0 To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary="------------090107070702040303050806" X-Miltered: at jchkm3 with ID 517F7E2F.001 by Joe's j-chkmail (http://helpdesk.ugent.be/email/)! X-j-chkmail-Enveloppe: 517F7E2F.001 from dhcp-zdpt-168.intec.ugent.be/dhcp-zdpt-168.intec.ugent.be/157.193.135.168/[157.193.135.168]/ X-j-chkmail-Score: MSGID : 517F7E2F.001 on smtp2.ugent.be : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000 X-j-chkmail-Status: Ham Subject: [6tsch] TSCH: info for each(?) link in Enhanced Beacon frames X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Apr 2013 08:18:01 -0000 This is a multi-part message in MIME format. --------------090107070702040303050806 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hi, I'm implementing 802.15.4e TSCH. I'm wondering if I should add *all* my active links in an enhanced beacon (EB) Well, for >20 active links, it's not possible to add them all (with the 127-byte MTU), so I now assume that it's not the goal to add all the active links in the EB. "The TSCH Slotframe and Link IE is used to construct enhanced beacons that allow new devices to synchronize to a TSCH PAN." So, the EB only has to contain the minimum information so that new devices can synchronize and join a TSCH PAN? "The Link Options field indicates whether this link is a TX link, an RX link, or a SHARED TX link, and whether the device to which it is being linked is to be used for clock synchronization. The field corresponds to the Link Options field in the link table for the receiving device." So, a device sending enhanced beacons, with an RX link advertised, means that a joining device should set this as an RX slot? Well, it makes sense but "Link Information for each Link" in Figure 48gg (IEEE802.15.4e standard) is/was a bit confusing.. Thoughts? Best, Pieter --------------090107070702040303050806 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi,

    I'm implementing 802.15.4e TSCH.

    I'm wondering if I should add all my active links in an enhanced beacon (EB)

    Well, for >20 active links, it's not possible to add them all (with the 127-byte MTU), so I now assume that it's not the goal to add all the active links in the EB.


    "The TSCH Slotframe and Link IE is used to construct enhanced beacons that allow new devices to synchronize to a TSCH PAN."
    So, the EB only has to contain the minimum information so that new devices can synchronize and join a TSCH PAN?

    "The Link Options field indicates whether this link is a TX link, an RX link, or a SHARED TX link, and
    whether the device to which it is being linked is to be used for clock synchronization. The field corresponds
    to the Link Options field in the link table for the receiving device."
    So, a device sending enhanced beacons, with an RX link advertised, means that a joining device should set this as an RX slot?

    Well, it makes sense but "Link Information for each Link" in Figure 48gg (IEEE802.15.4e standard) is/was a bit confusing..

    Thoughts?

    Best,
    Pieter
    --------------090107070702040303050806-- From maria-rita.palattella@uni.lu Tue Apr 30 01:53:37 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 73BE521F9946 for <6tsch@ietfa.amsl.com>; Tue, 30 Apr 2013 01:53:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.198 X-Spam-Level: X-Spam-Status: No, score=-4.198 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, J_CHICKENPOX_44=0.6, J_CHICKENPOX_71=0.6, J_CHICKENPOX_81=0.6, J_CHICKENPOX_91=0.6, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7600sP4mqzzI for <6tsch@ietfa.amsl.com>; Tue, 30 Apr 2013 01:53:31 -0700 (PDT) Received: from hercules.uni.lu (hercules.uni.lu [158.64.76.33]) by ietfa.amsl.com (Postfix) with ESMTP id 5EA8021F9B50 for <6tsch@ietf.org>; Tue, 30 Apr 2013 01:53:27 -0700 (PDT) X-IronPort-AV: E=Sophos;i="4.87,580,1363129200"; d="scan'208,217";a="23795769" Received: from unknown (HELO TPOL.uni.lux) ([10.21.2.5]) by hercules.uni.lu with ESMTP; 30 Apr 2013 10:53:27 +0200 Received: from HOSHI.uni.lux ([fe80::499:a33:4e68:4af9]) by TPOL.uni.lux ([fe80::e14d:a815:d7d8:d9a6%10]) with mapi id 14.03.0123.003; Tue, 30 Apr 2013 10:53:26 +0200 From: Maria Rita PALATTELLA To: "6tsch@ietf.org" <6tsch@ietf.org> Thread-Topic: PCEP for centralized scheduling in 6TSCH architecture Thread-Index: Ac5FgCKD2/ZGwF59Qqid0rSthCFUwA== Date: Tue, 30 Apr 2013 08:53:26 +0000 Message-ID: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.91.0.58] Content-Type: multipart/alternative; boundary="_000_F085911F642A6847987ADA23E611780D18560B92hoshiunilux_" MIME-Version: 1.0 Cc: "Thomas Watteyne \(watteyne@eecs.berkeley.edu\)" , "Pascal Thubert \(pthubert\) \(pthubert@cisco.com\)" Subject: [6tsch] PCEP for centralized scheduling in 6TSCH architecture X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Apr 2013 08:53:37 -0000 --_000_F085911F642A6847987ADA23E611780D18560B92hoshiunilux_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Dear all, I have started investigating the RFC5440 "Path Computation Element Communic= ation Protocol (PCEP)" in order to check " if" and "how" it could fit in ou= r 6TSCH architecture. In detail, I wanted to see if we could use PCEP + TASA (Traffic Aware Sched= uling Algorithm) for computing and distributing the schedule from the PCE t= o the nodes in a 6TSCH architecture that uses a centralized scheduling algo= rithm. I had some preliminary discussion already with Thomas on this topic, but le= t's discuss all together on the ML. We would like to have your feedback in = order to see if we can really use PCEP, and how we can fix some open issues= in the 6TSCH context. I will use some extracts from the RFC5440, that summarize the behavior of t= he protocol, and show features that we could exploit. This will result in a *very long* email. Sorry for that. And thanks for goi= ng through it, and come back to me with your comments, questions, suggestio= ns. Maria Rita >>PCEP is such a protocol designed specifically for communications between = a PCC and a PCE [...] a PCC may use PCEP to send a path computation request= for one or more TE LSPs to a PCE, and the PCE may reply with a set of comp= uted paths if one or more paths can be found that satisfies the set of cons= traints. >> PCC: Path Computation Client; any client application requesting a path = computation to be performed by a Path Computation Element. >> PCE: Path Computation Element; an entity (component, application, or ne= twork node) that is capable of computing a network path or route based on a= network graph and applying computational constraints. >> Explicit path: Full explicit path from start to destination; made of a = list of strict hops where a hop may be an abstract node such as an AS. [MR] The explicit path could be seen as a 6TSCH track, composed by hard ce= lls. >> [...] it is assumed that the PCE has the required information (usually i= ncluding network topology and resource information) so as to perform the co= mputation of a path for a TE LSP. Such information can be gathered by rout= ing protocols or by some other means. The way in which the information is = gathered is out of the scope of this document (i.e, RFC5440). [Thomas] Is that not a bit limiting? This means that we need one protocol = (PCEP) to send data from the PCE to the motes, and another for stats and to= pological and requirement data to go from the motes to the PCE. [MR] Yes, it is. Like 15.4e TSCH that uses a schedule but it doesn't speci= fy how to build and distribute it, PCEP does not define how to collect the = required information (network topology, requirements) used for computing pa= ths. But the motes can specify the requirements of the requested path withi= n the PCReq messages. >> Transport Protocol. PCEP operates over TCP using a registered TCP port = (4189). This allows the requirements of reliable messaging and flow control= to be met without further protocol work. All PCEP messages MUST be sent us= ing the registered TCP port for the source and destination TCP port. [Thomas] can PCEP run on something else than TCP? It looks like no. There = is always the possibility for proposing a UDP version of PCEP, but it's unc= lear to me how much rework is required. [MR] According to the RFC5440, a PCEP session can be established ONLY over= a TCP connection. In other words, first a TCP connection (3-way handshake= ) between the PCC and the PCE has to be established, and after a PCEP sessi= on can be started. About proposing an UDP version of PCEP, it is something = to be investigated. >> Once the PCC has selected a PCE, it sends a Path Computation Request to = the PCE (PCReq message) that contains a variety of objects that specify the set of constraints and attributes for the path to be computed. = For example, "Compute a TE LSP path with source IP address=3Dx.y.z.t, destination IP address=3Dx'.y'.z'.t', bandwidth=3DB Mbit/s, Setup/Holding = priority=3DP, ...". Additionally, the PCC may desire to specify the urgenc= y of such request by assigning a request priority. [Thomas]If the PCE received a PCReq to go from A to B, is there a way for t= he PCE to contact all the motes along the multi-hop path between A and B an= d install cells/links? it looks like the PCE is only used to calculate a mult= i-hop path on an already existing topology. [MR]I agree with you. PCEP can set up a multi-hop path on an already existi= ng topology. There is correspondence 1-to-1 between PCReq and PCRep. Thus, = it seems that PCE cannot contact the motes along the multi-hop path between= A and B. BUT... PCEP include some RP in the messages (see below) >>A Path Computation Reply(PCRep) Message can contain either a set of comp= uted paths if the request can be satisfied, or a negative reply if not. Th= e negative reply may indicate the reason why no path could be found. >>The RP (Request Parameters) object MUST be carried within each PCReq and = PCRep messages. The RP object is used to specify various characteristics of= the path computation request. >> The END-POINTS object is used in a PCReq message to specify the source = IP address and the destination IP address of the path for which a path comp= utation is requested. Note that the source and destination addresses specif= ied in the END-POINTS object may correspond to the source and destination I= P address of the TE LSP or to those of a path segment. [MR] Setting the END-POINT object, maybe it could be possible to allocate = cells/links for each path segment. This is something to be investigated. >>The BANDWIDTH object is used to specify the requested bandwidth for a TE= LSP. The notion of bandwidth is similar to the one used for RSVP >>signali= ng in [RFC2205], [RFC3209], and [RFC3473]. >>The METRIC object is optional and can be used for several purposes. In a= PCReq message, a PCC MAY insert one or more METRIC objects: o To indicate the metric that MUST be optimized by the path computation al= gorithm (IGP metric, TE metric, hop counts). Currently, three metrics are defined: the IGP cost, the TE metric (see [RFC= 3785]), and the number of hops traversed by a TE LSP. o To indicate a bound on the path cost that MUST NOT be exceeded for the p= ath to be considered as acceptable by the PCC. >>The path computation algorithmic aspects used by the PCE to optimize a p= ath with respect to a specific metric are outside the scope of this >>docum= ent. [MR] TASA could be a possible algorithm for computing the path. It seems to= fits well with the RFC5440 Specification. TASA provides a method to the PCE for computing a network path, based on th= e network graph and applying computational constraints (i.e., selecting dup= lex- and interference-free conflict links, according to local and global queue level= ). Each node in the TSCH TASA-based network could act as PCC (Path Computation= Client), requesting a path computation to be performed by the PCE. In deta= il, with the PCReq message, the PCC asks the PCE to compute a path toward it (thus, source IP address = =3D PCC IP address, destination IP address =3D PCE destination address), ha= ving a given bandwidth, equal to the number of packets it wants to transmi= t (i.e., TASA local queue level, or in other word, traffic load offered by= the single node to the network). After having collected all the PCReq messages from all the nodes in the net= work, the PCE can build a schedule, setting one or more paths for each PCC. Once, the schedule has been built according to TASA matching and coloring p= rocedures, it is transmitted to each node in the network, using PCRep messa= ges. Then, the 6TSCH 6TUS adaptation protocol can provide the functionality for = delivering the traffic in the queues, according to the schedule built with = TASA+PCEP. Some Open ISSUES: Q1: How the PCE collect the information related to the network graph? R1: Note that this is out of the scope of both RCF5440 and TASA. However, w= e may suppose that such information are provided by the routing protocol, R= PL, as suggested in RFC5440. "How" still has to be defined! [Thomas] Agreed, that's a really important point. Q2: How the network is set up before implementing TASA+PCEP for building th= e schedule? R2: TASA does not specify how the network is built. In fact, TASA runs over= a network that has been already built, and that needs a schedule in order to allow traffic-flow exchanges (i.e., transmissions between each node and = the PCE). Maybe, 6TUS could fill this gap and provide the functionality for= the 15.4e TSCH network formation. [Thomas] I believe the "minimal" use case identified in the charter covers = this. Q3: Is there any need to change the PCReq and PCRep messages format, for al= lowing the integration of PCEP with TASA? [MR] there could be such need. Q4:How the info in the PCRep messages can be used by 6TUS? [Thomas] The entity in the motes which received PCRep message simply send c= ommands over the 6tus interface. Q5: How would a TASA+PCEP solution work for P2P traffic? That is, data flow= ing from a switch to a light without going through the DAGroot? [MR]TASA supports multi-point-to-point traffic (from each mote in the netwo= rk to the DODAGroot). PCEP support P2P traffic. TASA+PCEP maybe could suppo= rt P2P traffic. This is something to be investigated. --_000_F085911F642A6847987ADA23E611780D18560B92hoshiunilux_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

    Dear all,

    I have started investigating the RFC5440 “Path Co= mputation Element Communication Protocol (PCEP)” in order to check " if" and "how" it could fit in o= ur 6TSCH architecture. <= /o:p>

    In detail, I wanted to see if we could use PCEP + TASA (Traffic Aware Scheduling Algorithm) for computing a= nd distributing the schedule from the PCE to the nodes in a 6TSCH architect= ure that uses a centralized scheduling algorithm.   

    I had some preliminary discussion already with Thomas on t= his topic, but let's discuss all together on the ML. We would like to have your feedback in order to see if we can really u= se PCEP, and how we can fix some open issues in the 6TSCH context.

    I will use some extracts from the RFC5440, that summarize = the behavior of the protocol, and show features that we could exploit.

    This will result in a *very long* email. Sorry for that. A= nd thanks for going through it, and come back to me with your comments, questions, suggestions.

    Maria Rita

     

    >>PCEP is such a protocol designed specifically for communications= between a PCC and a PCE […] a PCC may use PCEP to send a path computation request for one or more TE LSPs to a PCE, and the PCE m= ay reply with a set of computed paths if one or more paths can be found tha= t satisfies the set of constraints.

    >> PCC:  Path Computation Client; any client application requ= esting a path computation to be performed by a Path Computation Element.

    >> PCE:  Path Computation Element; an entity (component, appl= ication, or network node) that is capable of computing a network path or route based on a network graph and applying computational constrai= nts.

    >> Explicit path:  Full explicit path from start to destinati= on; made of a list of strict hops where a hop may be an abstract node such as an AS.<= /o:p>

     [MR] The explicit path could be seen as a 6TSCH trac= k, composed by hard cells.

     

    >> […] it is assumed that the PCE has the required informati= on (usually including network topology and resource information) so as to perform the computation of a path for a TE LSP.  Such inform= ation can be gathered by routing protocols or by some other means.  Th= e way in which the information is gathered is out of the scope of this docu= ment (i.e, RFC5440).

     [Thomas] Is that not a bit limiting? This means that we need one protocol (PCEP) to send data from th= e PCE to the motes, and another for stats and topological and requirement d= ata to go from the motes to the PCE.

     [MR] Yes, it is. Like 15.4e TSCH that uses a schedul= e but it doesn’t specify how to build and distribute it, PCEP does not define how to collect the required information (network = topology, requirements) used for computing paths. But the motes can specify= the requirements of the requested path within the PCReq messages.

     

    >>  Transport Protocol. PCEP operates over TCP using a regist= ered TCP port (4189). This allows the requirements of reliable messaging and flow control to be met without further protocol work. All PC= EP messages MUST be sent using the registered TCP port for the source and d= estination TCP port.

     [Thomas] can PCEP run on something e= lse than TCP? It looks like no. There is always the possibility for proposing a UDP version of PCEP, but it's unclear to me how much rewor= k is required.

    [MR] According to the RFC5440, a PCEP session can be established ON= LY  over a  TCP connection. In other words, first a TCP connectio= n (3-way handshake) between the PCC and the PCE has to be established, and after a PCEP session can be started. About proposing a= n UDP version of PCEP, it is something to be investigated.

    &= nbsp;

    >> Once = the PCC has selected a PCE, it sends a Path Computation Request to the PCE = (PCReq message) that contains a variety of objects that
    specify the set of constraints and attributes for the path to be computed.&= nbsp; For example, "Compute a TE LSP path with source IP address=3Dx.y= .z.t,
     destination IP address=3Dx'.y'.z'.t', bandwidth=3DB Mbit/s, Setup/Hol= ding priority=3DP, ...".  Additionally, the PCC may desire to spe= cify the urgency
     of such request by assigning a request priority. 

     

    [Thomas]If the = PCE received a PCReq to go from A to B, is there a way for the PCE to conta= ct all the motes along the multi-hop path between A and B and

    install cells/l= inks? it looks like the PCE is only used to calculate a multi-hop path on a= n already existing topology.

    [MR]I agree with you. PCEP can set up a multi-hop path on an alread= y existing topology. There is correspondence 1-to-1 between PCReq and PCRep= . Thus, it seems that PCE cannot contact the motes along the multi-hop path between A and B. BUT… PCEP include so= me RP in the messages (see below)

     >>A Path Computation Reply(= PCRep) Message can contain either a set of computed paths if the request can be satisfied, or a negative reply if not.  The negative reply may= indicate the reason why no path could be found.

    >>The RP (Request Parameters) object MUST be carried= within each PCReq and PCRep messages. The RP object is used to specify var= ious characteristics of the path computation request.

     = >> The END-POINTS object is used in a PCReq message to specify the so= urce IP address and the destination IP address of the path for which a path= computation is requested. Note that the source and destination addresses specified in the END-POINTS object may correspond to the source = and destination IP address of the TE LSP or to those of a path segment.

     = [MR] Setting the END-POINT object, maybe it coul= d be possible to allocate cells/links for each path segment. This is something to be investigated.

     = >>The BANDWIDTH object is used to specify the requested bandwidth for= a TE LSP. The notion of bandwidth is similar to the one used for RSVP >= >signaling in [RFC2205], [RFC3209], and [RFC3473].

     = >>The METRIC object is optional and can be used for several purposes.= In a PCReq message, a PCC MAY insert one or more METRIC objects:

     = o To indicate the metric that MUST be optimized by the path computation alg= orithm (IGP metric, TE metric, hop counts).

    Curren= tly, three metrics are defined: the IGP cost, the TE metric (see [RFC3785])= , and the number of hops traversed by a TE LSP.

     = o To indicate a bound on the path cost that MUST NOT be exceeded for the pa= th to be considered as acceptable by the PCC.

     = >>The path computation algorithmic aspects used by the PCE to opti= mize a path with respect to a specific metric are outside the scope of this= >>document.

    [MR] TASA could= be a possible algorithm for computing the path. It seems to fits well with the RFC5440 Specification.

     

    = TASA provides a method to the PCE for computing a network path, based on th= e network graph and applying computational constraints (i.e., selecting duplex- and
    interference-free conflict links, according to local and global queue level= ).

    = Each node in the TSCH TASA-based network could act as PCC (Path Computation= Client), requesting a path computation to be performed by the PCE. In detail, with the PCReq message,
    the PCC asks the PCE to compute a path toward it (thus, source IP address = =3D PCC IP address, destination IP address =3D PCE destination address), ha= ving a  given bandwidth, equal to the number of packets it wants to tr= ansmit (i.e., TASA local queue level, or  in other word, traffic load offered by the single node to the network).

    = After having collected all the PCReq messages from all the nodes in the net= work, the PCE can build a schedule, setting one or more paths for each PCC.

    = Once, the schedule has been built according to TASA matching and coloring p= rocedures, it is transmitted to each node in the network, using PCRep messages.

    = Then, the 6TSCH 6TUS adaptation protocol can provide the functionality for = delivering the traffic in the queues, according to the schedule built with TASA+PCEP.

     

    Some Open I= SSUES:

     

    Q1:<= /b> How the PCE collect the information related to the network graph?

    R1:<= /b> Note that this is out of the scope of both RCF5440 and TASA. However, we may suppose that such information are provided by th= e routing protocol, RPL, as suggested in RFC5440.

    “HowR= 21; still has to be defined!

    [Thomas] Agreed, that's a really important point.=

    &= nbsp;

    Q2:<= /b> How the network is set up before implementing TASA+PCEP for building the schedule?

    R2:<= /b> TASA does not specify how the network is built. In fact, TASA runs over a network that has been already built, and that needs= a schedule in order
    to allow traffic-flow exchanges (i.e., transmissions between each node and = the PCE). Maybe, 6TUS could fill this gap and provide the functionality for= the 15.4e TSCH network formation.

     

    [Th= omas] I believe the "minimal" use case identified in the charter = covers this.

     <= span style=3D"font-size:10.0pt;font-family:"Courier New"">

    Q3: Is there any need to change the PCReq and PCRep message= s format, for allowing the integration of PCEP with TASA?=

    = [MR] there could be such need.

     

     

    Q4:<= /b>How the info in the PCRep messages can be used by 6TUS?

     

    [Th= omas] The entity in the motes which received PCRep message simply send comm= ands over the 6tus interface.

     <= span style=3D"font-size:10.0pt;font-family:"Courier New"">

    Q5:= How would a TASA+PCEP solution work for P2P traffic? That is, dat= a flowing from a switch to a light without going through the DAGroot?

    [MR]TASA supports multi-point-to-point traffic (from each mote in t= he network to the DODAGroot). PCEP support P2P traffic. TASA+PCEP maybe= could support P2P traffic. This is something to be investigated.

     

     

    --_000_F085911F642A6847987ADA23E611780D18560B92hoshiunilux_-- From twatteyne@gmail.com Tue Apr 30 20:20:04 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 254A321F850F for <6tsch@ietfa.amsl.com>; Tue, 30 Apr 2013 20:20:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.977 X-Spam-Level: X-Spam-Status: No, score=-1.977 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, NO_RELAYS=-0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9YpGZq21rrxs for <6tsch@ietfa.amsl.com>; Tue, 30 Apr 2013 20:20:03 -0700 (PDT) Received: from mail-pb0-x22f.google.com (mail-pb0-x22f.google.com [IPv6:2607:f8b0:400e:c01::22f]) by ietfa.amsl.com (Postfix) with ESMTP id 1EF4521F84F8 for <6tsch@ietf.org>; Tue, 30 Apr 2013 20:20:02 -0700 (PDT) Received: by mail-pb0-f47.google.com with SMTP id uo1so563944pbc.34 for <6tsch@ietf.org>; Tue, 30 Apr 2013 20:20:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; bh=OLoXv193nhvwfNcyT1KxGC5j/D2VGMbJgwyiSZvjuag=; b=ifeo5zmp1bS/dvsKY3X/HKDzpWK0MAVgHGY0Y5IW9Yo+XaHahvk5FDItwRNEqS7YY1 bPQvmXTqwrJ/SmLwBG4/dwQieV0CotZY6cPbRLuUhaqYrAHyNlN1eOe9/QT5fPY3OaiT PxtJmHaPtAwFvKLYtxVwR4vEOcB7GhsFIrK7WIBXSDjBUdfIaxsMTUHDFn/XjF/mqgxR r6KEk1kAhuIFJTTsA2/5LjM0JTmtUTq0vB+3yanq/+zti9TAg5NlnIzw4+J8XpZNQBQz /yIjK7bhaMjE8jEK0eVNpj/I71j8GNvWsdncQWNtrH1HNo4FbMMjbqZhS4xiyiLxj6FH DEOQ== X-Received: by 10.68.209.193 with SMTP id mo1mr1768580pbc.191.1367378402627; Tue, 30 Apr 2013 20:20:02 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.182.228 with HTTP; Tue, 30 Apr 2013 20:19:42 -0700 (PDT) In-Reply-To: <517F7E2F.10901@demil.be> References: <517F7E2F.10901@demil.be> From: Thomas Watteyne Date: Tue, 30 Apr 2013 20:19:42 -0700 X-Google-Sender-Auth: vOtzqaMVf2AllYI4VAKOyQWJv4c Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7b15a1e5f65bf904db9f97f8 Subject: Re: [6tsch] TSCH: info for each(?) link in Enhanced Beacon frames X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 May 2013 03:20:04 -0000 --047d7b15a1e5f65bf904db9f97f8 Content-Type: text/plain; charset=ISO-8859-1 My reading of the standard is that the EB contains just enough information for the new mote to join the network. Of course, what this exactly is depends on the application. In the context of 6TSCH, this could be: - a set of (shared) links in the best effort case. This could, in fact, be the final set the mote gets, i.e. all motes communicate on a number of shared links in a "slotted Aloha" fashion. This has the merit of being extremely simple (e.g. for interop), but does not allow for much optimization. - a set of links to contact the neighbor which sends the EB. This can be used in the distributed cases as a bootstrap for a distributed reservation protocol. - a set of links to contact the PCE through the neighbor which sends the EB. This can be used in the centralize case: the neighbor serves as a temporary proxy until the PCE has decided what to do with that new mote (possibly installing more links). Fantastic to hear that you're implementing TSCH. What platform are you using? We should for sure coordinate with the OpenWSN team to ensure interoperability directly from the start. The easiest is probably to start with schedule "slotted Aloha" schedule shown in https://openwsn.atlassian.net/wiki/display/OW/Schedules. Thomas On Tue, Apr 30, 2013 at 1:17 AM, Pieter De Mil wrote: > ** > Hi, > > I'm implementing 802.15.4e TSCH. > > I'm wondering if I should add *all* my active links in an enhanced beacon > (EB) > > Well, for >20 active links, it's not possible to add them all (with the > 127-byte MTU), so I now assume that it's not the goal to add all the active > links in the EB. > > > "The TSCH Slotframe and Link IE is used to construct enhanced beacons that > allow new devices to synchronize to a TSCH PAN." > So, the EB only has to contain the minimum information so that new devices > can synchronize and join a TSCH PAN? > > "The Link Options field indicates whether this link is a TX link, an RX > link, or a SHARED TX link, and > whether the device to which it is being linked is to be used for clock > synchronization. The field corresponds > to the Link Options field in the link table for the receiving device." > So, a device sending enhanced beacons, with an RX link advertised, means > that a joining device should set this as an RX slot? > > Well, it makes sense but "Link Information for each Link" in Figure 48gg > (IEEE802.15.4e standard) is/was a bit confusing.. > > Thoughts? > > Best, > Pieter > > _______________________________________________ > 6tsch mailing list > 6tsch@ietf.org > https://www.ietf.org/mailman/listinfo/6tsch > > --047d7b15a1e5f65bf904db9f97f8 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
    My reading of the standard is that the EB contains just en= ough information for the new mote to join the network. Of course, what this= exactly is depends on the application.

    In the context o= f 6TSCH, this could be:
    - a set of (shared) links in the best effort case. This could, in fact= , be the final set the mote gets, i.e. all motes communicate on a number of= shared links in a "slotted Aloha" fashion. This has the merit of= being extremely simple (e.g. for interop), but does not allow for much opt= imization.
    - a set of links to contact the neighbor which sends the EB. This can = be used in the distributed cases as a bootstrap for a=A0distributed=A0reser= vation protocol.
    - a set of links to contact the PCE through the = neighbor which sends the EB. This can be used in the centralize case: the n= eighbor serves as a temporary proxy until the PCE has decided what to do wi= th that new mote (possibly installing more links).

    Fantastic to hear that you're implementing TSCH. Wh= at platform are you using?

    We should for sure coor= dinate with the OpenWSN team to ensure interoperability directly from the s= tart. The easiest is probably to start with schedule "slotted Aloha&qu= ot; schedule shown in=A0https://openwsn.atlassian.net/wiki/display/OW/Schedules.

    Thomas


    On Tue, Apr 30, 2013 at 1:17 AM, Pieter= De Mil <pieter@demil.be> wrote:
    =20 =20 =20
    Hi,

    I'm implementing 802.15.4e TSCH.

    I'm wondering if I should add all my active links in an enhanced beacon (EB)

    Well, for >20 active links, it's not possible to add them all (with the 127-byte MTU), so I now assume that it's not the goal to add all the active links in the EB.


    "The TSCH Slotframe and Link IE is used to construct enhanced beacons that allow new devices to synchronize to a TSCH PAN."
    So, the EB only has to contain the minimum information so that new devices can synchronize and join a TSCH PAN?

    "The Link Options field indicates whether this link is a TX link, = an RX link, or a SHARED TX link, and
    whether the device to which it is being linked is to be used for clock synchronization. The field corresponds
    to the Link Options field in the link table for the receiving device."
    So, a device sending enhanced beacons, with an RX link advertised, means that a joining device should set this as an RX slot?

    Well, it makes sense but "Link Information for each Link" in = Figure 48gg (IEEE802.15.4e standard) is/was a bit confusing..

    Thoughts?

    Best,
    Pieter

    _______________________________________________
    6tsch mailing list
    6tsch@ietf.org
    h= ttps://www.ietf.org/mailman/listinfo/6tsch


    --047d7b15a1e5f65bf904db9f97f8-- From twatteyne@gmail.com Tue Apr 30 20:39:17 2013 Return-Path: X-Original-To: 6tsch@ietfa.amsl.com Delivered-To: 6tsch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 27B6521F894E for <6tsch@ietfa.amsl.com>; Tue, 30 Apr 2013 20:39:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.277 X-Spam-Level: X-Spam-Status: No, score=-1.277 tagged_above=-999 required=5 tests=[AWL=-0.700, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, J_CHICKENPOX_44=0.6, J_CHICKENPOX_71=0.6, J_CHICKENPOX_81=0.6, J_CHICKENPOX_91=0.6, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id G2niIRpiUIVX for <6tsch@ietfa.amsl.com>; Tue, 30 Apr 2013 20:39:11 -0700 (PDT) Received: from mail-pa0-f44.google.com (mail-pa0-f44.google.com [209.85.220.44]) by ietfa.amsl.com (Postfix) with ESMTP id B790021F8935 for <6tsch@ietf.org>; Tue, 30 Apr 2013 20:39:11 -0700 (PDT) Received: by mail-pa0-f44.google.com with SMTP id rl6so696593pac.3 for <6tsch@ietf.org>; Tue, 30 Apr 2013 20:39:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; bh=UauNmRnKxinWYT8RFoaL8pdJRONS1cjWAm72DQTRUDc=; b=P5VMN+UBdbMseOLw/K92A3hxuLFjNYIJbgJjiq6c70lUJckfq2kaMYZSu+TXSwmmw4 MOeF1YxuDhe7ZuqhtPJjKKCh3XcxlVU3UeAHkdECeOCiZbKFfQ5Me03J6QSfm3O7Xill sKbiKiugSVFGZ4OcMfm3EFdViClPEyECnRt5CeUifv72r/kuH2T5stzS7P62m8c6DNfK Q4CPrt7mXr1yPTUO7+tgY5MZbqAEHspst8RwWRlxg/PT7SksC2UMTDqQkZNU+xvZYQSS 9wgzXZS8tdJuh8wKa1VVq3eVsyhNiLLFb6KHPeIGIKGu4UcAQUCQY083u6THgHHZpxP9 tnaQ== X-Received: by 10.66.156.196 with SMTP id wg4mr2945682pab.23.1367379551416; Tue, 30 Apr 2013 20:39:11 -0700 (PDT) MIME-Version: 1.0 Sender: twatteyne@gmail.com Received: by 10.66.182.228 with HTTP; Tue, 30 Apr 2013 20:38:51 -0700 (PDT) In-Reply-To: References: From: Thomas Watteyne Date: Tue, 30 Apr 2013 20:38:51 -0700 X-Google-Sender-Auth: rRCww4HF4achxEwrY6F3b2MkBGQ Message-ID: To: IETF 6TSCH <6tsch@ietf.org> Content-Type: multipart/alternative; boundary=047d7b86f1206f7fd104db9fdc4a Subject: Re: [6tsch] PCEP for centralized scheduling in 6TSCH architecture X-BeenThere: 6tsch@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tsch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 May 2013 03:39:17 -0000 --047d7b86f1206f7fd104db9fdc4a Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Maria Rita, Awesome! Thanks for putting this on the ML. One important step I think is to decide what we want the scope of this protocol to be. Here are a couple of thoughts on what the goals are (I'm at the airport, so please forgive the not-so-organized nature of this e-mail): - this is the protocol used for signalling messages to flow between the PCE and the nodes in the network - the nodes use this protocol (if possible) to tell the PCE how they are doing. This includes topological information, traffic requirements, etc. - what happens in the PCE is independent from this protocol, - the PCE uses this protocol to drive the network schedule, installing and moving tracks in the network, probably using mostly hard cells. On top of this, I can think on the following requirements: - reuse existing protocols and techniques as much as possible - security: nodes and PCE should be able to authenticate each other. It might also be useful to ensure confidentiality, so that a node can not overhear the traffic between the PCE and another node. - simplicity and applicability to out simple LLNs (i.e. small state, small overhead,...) Thoughts? Thomas On Tue, Apr 30, 2013 at 1:53 AM, Maria Rita PALATTELLA < maria-rita.palattella@uni.lu> wrote: > Dear all,**** > > I have started investigating the* RFC5440 =93Path Computation Element > Communication Protocol (PCEP)=94 *in order to check " if" and "how" it > could fit in our 6TSCH architecture. **** > > In detail, I wanted to see if we could use *PCEP + TASA (Traffic Aware > Scheduling Algorithm) *for computing and distributing the schedule from > the PCE to the nodes in a 6TSCH architecture that uses a centralized > scheduling algorithm. **** > > I had some preliminary discussion already with Thomas on this topic, but > let's discuss all together on the ML. We would like to have your feedback > in order to see if we can really use PCEP, and how we can fix some open > issues in the 6TSCH context.**** > > I will use some extracts from the RFC5440, that summarize the behavior of > the protocol, and show features that we could exploit.**** > > This will result in a *very long* email. Sorry for that. And thanks for > going through it, and come back to me with your comments, questions, > suggestions.**** > > Maria Rita**** > > ** ** > > >>PCEP is such a protocol designed specifically for communications betwee= n > a PCC and a PCE [=85] a PCC may use PCEP to send a path computation reque= st > for one or more TE LSPs to a PCE, and the PCE may reply with a set of > computed paths if one or more paths can be found that satisfies the set o= f > constraints.**** > > >> PCC: Path Computation Client; any client application requesting a pat= h > computation to be performed by a Path Computation Element.**** > > >> PCE: Path Computation Element; an entity (component, application, or > network node) that is capable of computing a network path or route based = on > a network graph and applying computational constraints.**** > > >> Explicit path: Full explicit path from start to destination; made of = a > list of *strict hops* where a hop may be an abstract node such as an AS.*= * > ** > > [MR] The explicit path could be seen as a 6TSCH track, composed by hard > cells.**** > > **** > > >> [=85] it is assumed that the PCE has the required information (usually > including network topology and resource information) so as to perform the > computation of a path for a TE LSP. Such information can be gathered by > routing protocols or by some other means. The way in which the informati= on > is gathered is out of the scope of this document (i.e, RFC5440). **** > > [Thomas] Is that not a bit limiting? This means that we need one > protocol (PCEP) to send data from the PCE to the motes, and another for > stats and topological and requirement data to go from the motes to the PC= E. > **** > > [MR] Yes, it is. Like 15.4e TSCH that uses a schedule but it doesn=92t > specify how to build and distribute it, PCEP does not define how to colle= ct > the required information (network topology, requirements) used for > computing paths. But the motes can specify the requirements of the > requested path within the PCReq messages. **** > > **** > > >> Transport Protocol. PCEP operates over TCP using a registered TCP por= t > (4189). This allows the requirements of reliable messaging and flow contr= ol > to be met without further protocol work. All PCEP messages MUST be sent > using the registered TCP port for the source and destination TCP port.***= * > > [Thomas] can PCEP run on something else than TCP? It looks like no. > There is always the possibility for proposing a UDP version of PCEP, but > it's unclear to me how much rework is required.**** > > [MR] According to the RFC5440, a PCEP session can be established ONLY > over a TCP connection. In other words, first a TCP connection (3-way > handshake) between the PCC and the PCE has to be established, and after a > PCEP session can be started. About proposing an UDP version of PCEP, it i= s > something to be investigated.**** > > ** ** > > >> Once the PCC has selected a PCE, it sends a Path Computation Request t= o > the PCE (PCReq message) that contains a variety of objects that > specify the set of constraints and attributes for the path to be > computed. For example, "Compute a TE LSP path with source IP > address=3Dx.y.z.t, > destination IP address=3Dx'.y'.z'.t', bandwidth=3DB Mbit/s, Setup/Holdin= g > priority=3DP, ...". Additionally, the PCC may desire to specify the urge= ncy > of such request by assigning a request priority. **** > > ** ** > > [Thomas]If the PCE received a PCReq to go from A to B, is there a way for > the PCE to contact all the motes along the multi-hop path between A and B > and**** > > install cells/links? it looks like the PCE is only used to calculate a > multi-hop path on an already existing topology.**** > > [MR]I agree with you. PCEP can set up a multi-hop path on an already > existing topology. There is correspondence 1-to-1 between PCReq and PCRep= . > Thus, it seems that PCE cannot contact the motes along the multi-hop path > between A and B. BUT=85 PCEP include some RP in the messages (see below)*= *** > > >>A Path Computation Reply(PCRep) Message can contain either a set of > computed paths if the request can be satisfied, or a negative reply if > not. The negative reply may indicate the reason why no path could be fou= nd. > **** > > >>The RP (Request Parameters) object MUST be carried within each PCReq an= d > PCRep messages. The RP object is used to specify various characteristics = of > the path computation request. **** > > >> The END-POINTS object is used in a PCReq message to specify the sourc= e > IP address and the destination IP address of the path for which a path > computation is requested. Note that the source and destination addresses > specified in the END-POINTS object may correspond to the source and > destination IP address of the TE LSP or to those of a path segment.**** > > [MR] Setting the END-POINT object, maybe it could be possible to > allocate cells/links for each path segment. This is something to be > investigated. **** > > >>The BANDWIDTH object is used to specify the requested bandwidth for a > TE LSP. The notion of bandwidth is similar to the one used for RSVP > >>signaling in [RFC2205], [RFC3209], and [RFC3473].**** > > >>The METRIC object is optional and can be used for several purposes. In > a PCReq message, a PCC MAY insert one or more METRIC objects:**** > > o To indicate the metric that MUST be optimized by the path computation > algorithm (IGP metric, TE metric, hop counts).**** > > Currently, three metrics are defined: the IGP cost, the TE metric (see > [RFC3785]), and the number of hops traversed by a TE LSP.**** > > o To indicate a bound on the path cost that MUST NOT be exceeded for the > path to be considered as acceptable by the PCC.**** > > *>>The path computation algorithmic aspects used by the PCE to optimize > a path with respect to a specific metric are outside the scope of this > >>document.***** > > [MR] TASA could be a possible algorithm for computing the path. It seems > to fits well with the RFC5440 Specification.**** > > ** ** > > TASA provides a method to the PCE for computing a network path, based on > the network graph and applying computational constraints (i.e., selecting > duplex- and > interference-free conflict links, according to local and global queue > level).**** > > Each node in the TSCH TASA-based network could act as PCC (Path > Computation Client), requesting a path computation to be performed by the > PCE. In detail, with the PCReq message, > the PCC asks the PCE to compute a path toward it (thus, source IP address > =3D PCC IP address, destination IP address =3D PCE destination address), = having > a given bandwidth, equal to the number of packets it wants to transmit > (i.e., TASA local queue level, or in other word, traffic load offered by > the single node to the network).**** > > After having collected all the PCReq messages from all the nodes in the > network, the PCE can build a schedule, setting one or more paths for each > PCC.**** > > Once, the schedule has been built according to TASA matching and coloring > procedures, it is transmitted to each node in the network, using PCRep > messages.**** > > Then, the 6TSCH 6TUS adaptation protocol can provide the functionality fo= r > delivering the traffic in the queues, according to the schedule built wit= h > TASA+PCEP. **** > > **** > > *Some Open ISSUES:* > > ** ** > > *Q1:* How the PCE collect the information related to the network graph?**= * > * > > *R1:* Note that this is out of the scope of both RCF5440 and TASA. > However, we may suppose that such information are provided by the routing > protocol, RPL, as suggested in RFC5440.**** > > =93How=94 still has to be defined!**** > > [Thomas] Agreed, that's a really important point.**** > > ** ** > > *Q2:* How the network is set up before implementing TASA+PCEP for > building the schedule?**** > > *R2:* TASA does not specify how the network is built. In fact, TASA runs > over a network that has been already built, and that needs a schedule in > order > to allow traffic-flow exchanges (i.e., transmissions between each node an= d > the PCE). Maybe, 6TUS could fill this gap and provide the functionality f= or > the 15.4e TSCH network formation.**** > > ** ** > > [Thomas] I believe the "minimal" use case identified in the charter cover= s > this.**** > > **** > > *Q3: *Is there any need to change the PCReq and PCRep messages format, > for allowing the integration of PCEP with TASA?**** > > [MR] there could be such need.**** > > ** ** > > ** ** > > *Q4:*How the info in the PCRep messages can be used by 6TUS?**** > > ** ** > > [Thomas] The entity in the motes which received PCRep message simply send > commands over the 6tus interface. **** > > **** > > *Q5:* How would a TASA+PCEP solution work for P2P traffic? That is, data > flowing from a switch to a light without going through the DAGroot?**** > > [MR]TASA supports multi-point-to-point traffic (from each mote in the > network to the DODAGroot). PCEP support P2P traffic. TASA+PCEP maybe coul= d > support P2P traffic. This is something to be investigated.**** > > ** ** > > ** ** > --047d7b86f1206f7fd104db9fdc4a Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable
    Maria Rita,

    Awesome! Thanks= for putting this on the ML.

    One impor= tant step I think is to decide what we want the scope of this protocol to b= e.

    Here are a couple of thoughts on what the g= oals are (I'm at the airport, so please forgive the not-so-organized na= ture of this e-mail):
    - this is the protocol used for signa= lling messages to flow between the PCE and the nodes in the network
    - the nodes use this protocol (if possible) to tell the PCE how = they are doing. This includes topological information, traffic requirements= , etc.
    - what happens in the PCE is independent from this p= rotocol,
    - the PCE uses this protocol to drive the network schedule, inst= alling and moving tracks in the network, probably using mostly hard cells.<= /div>

    On top of this, I can think on the fol= lowing requirements:
    - reuse existing protocols and techniques as much as possible
    - security: nodes and PCE should be able to authenticate each= other. It might also be useful to ensure confidentiality, so that a node c= an not overhear the traffic between the PCE and another node.
    - simplicity and applicability to out simple LLNs (i.e. small st= ate, small overhead,...)

    Thoughts?

    Thomas


    On Tue, Apr 30, 2013 at 1:53 AM, Maria R= ita PALATTELLA <maria-rita.palattella@uni.lu> wro= te:

    Dear all,

    I have started investigating the RFC5440 = =93Path Computation Element Communication Protocol (PCEP)=94 in order to check " if" and "how" it could fit in o= ur 6TSCH architecture.

    In detail, I wanted to see if we could use PCEP + TASA (Traffic Aware Scheduling Algorithm) for computing and d= istributing the schedule from the PCE to the nodes in a 6TSCH architecture = that uses a centralized scheduling algorithm.=A0 =A0

    I had some preliminary discussion already wi= th Thomas on this topic, but let's discuss all together on the ML. We would like to have your feedback in order to see if we can really u= se PCEP, and how we can fix some open issues in the 6TSCH context.<= u>

    I will use some extracts from the RFC5440, t= hat summarize the behavior of the protocol, and show features that we could exploit.

    This will result in a *very long* email. Sor= ry for that. And thanks for going through it, and come back to me with your comments, questions, suggestions.

    Maria Rita

    =A0

    >>PCEP is such a protocol designed specifically for = communications between a PCC and a PCE [=85] a PCC may use PCEP to send a path computation request for one or more TE LSPs to a PCE, and the PCE m= ay reply with a set of computed paths if one or more paths can be found tha= t satisfies the set of constraints.

    >> PCC:=A0 Path Computation Client; any client appli= cation requesting a path computation to be performed by a Path Computation Element.

    >> PCE:=A0 Path Computation Element; an entity (comp= onent, application, or network node) that is capable of computing a network path or route based on a network graph and applying computational constrai= nts.

    >> Explicit path:=A0 Full explicit path from start t= o destination; made of a list of strict hops where a hop may be an abstract node such as an AS.

    =A0[MR] The explicit path could be seen as a= 6TSCH track, composed by hard cells.

    =A0

    >> [=85] it is assumed that the PCE has the required= information (usually including network topology and resource information) so as to perform the computation of a path for a TE LSP.=A0 Such informati= on can be gathered by routing protocols or by some other means.=A0 The way = in which the information is gathered is out of the scope of this document (= i.e, RFC5440).

    =A0[Thomas] Is that not a bit limiting? This means that we need one protocol (PCEP) to send data from th= e PCE to the motes, and another for stats and topological and requirement d= ata to go from the motes to the PCE.

    =A0[MR] Yes, it is. Like 15.4e TSCH that use= s a schedule but it doesn=92t specify how to build and distribute it, PCEP does not define how to collect the required information (network = topology, requirements) used for computing paths. But the motes can specify= the requirements of the requested path within the PCReq messages.

    =A0

    >>=A0 Transport Protocol. PCEP operates over TCP usi= ng a registered TCP port (4189). This allows the requirements of reliable messaging and flow control to be met without further protocol work. All PC= EP messages MUST be sent using the registered TCP port for the source and d= estination TCP port.

    =A0[Thomas] can PCEP run on = something else than TCP? It looks like no. There is always the possibility for proposing a UDP version of PCEP, but it's unclear to me how much r= ework is required.

    [MR] According to the RFC5440, a PCEP session can be established ON= LY=A0 over a=A0 TCP connection. In other words, first a TCP connection (3-w= ay handshake) between the PCC and the PCE has to be established, and after a PCEP session can be started. About proposing a= n UDP version of PCEP, it is something to be investigated.

    =A0

    >> Once = the PCC has selected a PCE, it sends a Path Computation Request to the PCE = (PCReq message) that contains a variety of objects that
    specify the set of constraints and attributes for the path to be computed.= =A0 For example, "Compute a TE LSP path with source IP address=3Dx.y.z= .t,
    =A0destination IP address=3Dx'.y'.z'.t', bandwidth=3DB Mbit= /s, Setup/Holding priority=3DP, ...".=A0 Additionally, the PCC may des= ire to specify the urgency
    =A0of such request by assigning a request priority.=A0

    =A0

    [Thomas]If the = PCE received a PCReq to go from A to B, is there a way for the PCE to conta= ct all the motes along the multi-hop path between A and B and

    install cells/l= inks? it looks like the PCE is only used to calculate a multi-hop path on a= n already existing topology.

    [MR]I agree with you. PCEP can set up a multi-hop path on an alread= y existing topology. There is correspondence 1-to-1 between PCReq and PCRep= . Thus, it seems that PCE cannot contact the motes along the multi-hop path between A and B. BUT=85 PCEP include some R= P in the messages (see below)

    =A0>>A Path Computation Reply(PCR= ep) Message can contain either a set of computed paths if the request can be satisfied, or a negative reply if not.=A0 The negative reply may in= dicate the reason why no path could be found.

    >>The RP (Request Parameters) object MUST be carried= within each PCReq and PCRep messages. The RP object is used to specify var= ious characteristics of the path computation request.

    =A0>= ;> The END-POINTS object is used in a PCReq message to specify the sourc= e IP address and the destination IP address of the path for which a path co= mputation is requested. Note that the source and destination addresses specified in the END-POINTS object may correspond to the source = and destination IP address of the TE LSP or to those of a path segment.<= /u>

    =A0[MR] Setting the END-POINT object, maybe it could b= e possible to allocate cells/links for each path segment. This is something to be investigated.

    =A0>= ;>The BANDWIDTH object is used to specify the requested bandwidth for a = TE LSP. The notion of bandwidth is similar to the one used for RSVP >>= ;signaling in [RFC2205], [RFC3209], and [RFC3473].

    =A0>= ;>The METRIC object is optional and can be used for several purposes. In= a PCReq message, a PCC MAY insert one or more METRIC objects:

    =A0o T= o indicate the metric that MUST be optimized by the path computation algori= thm (IGP metric, TE metric, hop counts).

    Curren= tly, three metrics are defined: the IGP cost, the TE metric (see [RFC3785])= , and the number of hops traversed by a TE LSP.

    =A0o T= o indicate a bound on the path cost that MUST NOT be exceeded for the path = to be considered as acceptable by the PCC.

    =A0= >>The path computation algorithmic aspects used by the PCE to optimiz= e a path with respect to a specific metric are outside the scope of this &g= t;>document.

    [MR] TASA could= be a possible algorithm for computing the path. It seems to fits well with the RFC5440 Specification.

    =A0

    = TASA provides a method to the PCE for computing a network path, based on th= e network graph and applying computational constraints (i.e., selecting duplex- and
    interference-free conflict links, according to local and global queue level= ).

    = Each node in the TSCH TASA-based network could act as PCC (Path Computation= Client), requesting a path computation to be performed by the PCE. In detail, with the PCReq message,
    the PCC asks the PCE to compute a path toward it (thus, source IP address = =3D PCC IP address, destination IP address =3D PCE destination address), ha= ving a=A0 given bandwidth, equal to the number of packets it wants to trans= mit (i.e., TASA local queue level, or=A0 in other word, traffic load offered by the single node to the network).

    = After having collected all the PCReq messages from all the nodes in the net= work, the PCE can build a schedule, setting one or more paths for each PCC.

    = Once, the schedule has been built according to TASA matching and coloring p= rocedures, it is transmitted to each node in the network, using PCRep messages.

    = Then, the 6TSCH 6TUS adaptation protocol can provide the functionality for = delivering the traffic in the queues, according to the schedule built with TASA+PCEP.

    =A0

    Some Open I= SSUES:

    =A0

    Q1:<= /b> How the PCE collect the information related to the network graph?

    R1:<= /b> Note that this is out of the scope of both RCF5440 and TASA. However, we may suppose that such information are provided by th= e routing protocol, RPL, as suggested in RFC5440.

    =93How=94 stil= l has to be defined!

    [Thomas] Agreed, that's a really important point.<= u>

    =A0

    Q2:<= /b> How the network is set up before implementing TASA+PCEP for building the schedule?

    R2:<= /b> TASA does not specify how the network is built. In fact, TASA runs over a network that has been already built, and that needs= a schedule in order
    to allow traffic-flow exchanges (i.e., transmissions between each node and = the PCE). Maybe, 6TUS could fill this gap and provide the functionality for= the 15.4e TSCH network formation.

    =A0

    [Th= omas] I believe the "minimal" use case identified in the charter = covers this.

    =A0=

    Q3: Is there any need to change the PCReq and PCRep message= s format, for allowing the integration of PCEP with TASA?

    = [MR] there could be such need.

    =A0

    =A0

    Q4:<= /b>How the info in the PCRep messages can be used by 6TUS?<= u>

    =A0<= /u>

    [Th= omas] The entity in the motes which received PCRep message simply send comm= ands over the 6tus interface.

    =A0=

    Q5:= How would a TASA+PCEP solution work for P2P traffic? That is, data fl= owing from a switch to a light without going through the DAGroot?

    [MR]TASA supports multi-point-to-point traffic (from each mote in t= he network to the DODAGroot). PCEP support P2P traffic. TASA+PCEP maybe cou= ld support P2P traffic. This is something to be investigated.

    =A0

    =A0


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