From ietf@meetecho.com Thu Aug 1 02:06:46 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8448F21F843F for ; Thu, 1 Aug 2013 02:06:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.307 X-Spam-Level: X-Spam-Status: No, score=0.307 tagged_above=-999 required=5 tests=[AWL=1.026, BAYES_00=-2.599, HELO_EQ_IT=0.635, HOST_EQ_IT=1.245] 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 guX8VvIwHv+C for ; Thu, 1 Aug 2013 02:06:41 -0700 (PDT) Received: from smtpdg6.aruba.it (smtpdg224.aruba.it [62.149.158.224]) by ietfa.amsl.com (Postfix) with ESMTP id C184221F844D for ; Thu, 1 Aug 2013 02:06:26 -0700 (PDT) Received: from dell-tcastaldi ([130.129.65.11]) by smtpcmd02.ad.aruba.it with bizsmtp id 7M6Q1m00q0EaGCq01M6RgC; Thu, 01 Aug 2013 11:06:25 +0200 Date: Thu, 1 Aug 2013 11:06:22 +0200 (CEST) From: Meetecho Team To: nsc@ietf.org Message-ID: <1469234049.7.1375347982861.JavaMail.tcastaldi@dell-tcastaldi> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_6_915582172.1375347982859" X-Mailman-Approved-At: Thu, 01 Aug 2013 02:45:19 -0700 Subject: [nsc] NSC session recording available X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2013 09:06:46 -0000 ------=_Part_6_915582172.1375347982859 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Dear all, the full recording (synchronized video, audio, slides and jabber room) of the NSC WG session at IETF 87 is available at the following URL: http://ietf87.conf.meetecho.com/index.php/Recorded_Sessions#NSC For the chair(s): please feel free to put the link to the recording in the minutes, if you think this might be useful. Cheers, the Meetecho Team This email has been automatically generated by The Meetecho Conferencing System ------=_Part_6_915582172.1375347982859-- From adrian@olddog.co.uk Thu Aug 1 07:17:03 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EBD5721F9F50 for ; Thu, 1 Aug 2013 07:17:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.502 X-Spam-Level: X-Spam-Status: No, score=-2.502 tagged_above=-999 required=5 tests=[AWL=0.097, 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 D+dad2zpA4cS for ; Thu, 1 Aug 2013 07:16:56 -0700 (PDT) Received: from asmtp5.iomartmail.com (asmtp5.iomartmail.com [62.128.201.176]) by ietfa.amsl.com (Postfix) with ESMTP id A66A421F9EC9 for ; Thu, 1 Aug 2013 07:16:39 -0700 (PDT) Received: from asmtp5.iomartmail.com (localhost.localdomain [127.0.0.1]) by asmtp5.iomartmail.com (8.13.8/8.13.8) with ESMTP id r71EGZnp025551; Thu, 1 Aug 2013 15:16:36 +0100 Received: from 950129200 (dhcp-13f0.meeting.ietf.org [130.129.19.240]) (authenticated bits=0) by asmtp5.iomartmail.com (8.13.8/8.13.8) with ESMTP id r71EGY3X025533 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Thu, 1 Aug 2013 15:16:35 +0100 From: "Adrian Farrel" To: "'Carlos Pignataro \(cpignata\)'" , References: <95067C434CE250468B77282634C96ED322D624B2@xmb-aln-x02.cisco.com> In-Reply-To: <95067C434CE250468B77282634C96ED322D624B2@xmb-aln-x02.cisco.com> Date: Thu, 1 Aug 2013 15:16:33 +0100 Message-ID: <079801ce8ec1$ba3d87b0$2eb89710$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQH7bkDNwOEiO/dzu8zM1aUWU1EaaJkmpo3A Content-Language: en-gb Subject: Re: [nsc] Minutes for IETF87, NSC BOF meeting X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: adrian@olddog.co.uk List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2013 14:17:03 -0000 Many thanks Carlos, Could the NSC chairs try to get these *draft* minutes posted ASAP. Thanks, Adrian > -----Original Message----- > From: nsc-bounces@ietf.org [mailto:nsc-bounces@ietf.org] On Behalf Of Carlos > Pignataro (cpignata) > Sent: 29 July 2013 15:13 > To: nsc@ietf.org > Subject: [nsc] Minutes for IETF87, NSC BOF meeting > > Hi, > > Please find the minutes from today's NSC BOF meeting attached. Comments and > corrections are most welcome! > > Thanks, > > -- Carlos. From jguichar@cisco.com Fri Aug 2 03:08:20 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5B05011E8210 for ; Fri, 2 Aug 2013 03:08:20 -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 hFibWvt070Dp for ; Fri, 2 Aug 2013 03:08:15 -0700 (PDT) Received: from rcdn-iport-8.cisco.com (rcdn-iport-8.cisco.com [173.37.86.79]) by ietfa.amsl.com (Postfix) with ESMTP id 7A70D11E81A6 for ; Fri, 2 Aug 2013 03:08:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=805; q=dns/txt; s=iport; t=1375438095; x=1376647695; h=from:to:subject:date:message-id:in-reply-to:content-id: content-transfer-encoding:mime-version; bh=RYH5Vfne6ZphAWu/C4p62zqhFUWlF3PHWefy+sRVy1Y=; b=QDWkAwh5EttRG25cqWWftxY4HNDjCPp8V7ksgLkch0df42UzTcmY88VM DA6o9KyL76n58gFocVHZ3AAVlzrSfxWL1Oq10p2qVpG2x0ABRYIAze9MX gj6dRrcGndTOqCM8DPdIsted0GONRSsc4B3wlrLg/J4+cnRl8ms3dgEbZ E=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlkFAF6E+1GtJXG+/2dsb2JhbABagwY1UIJJvAmBHBZ0giQBAQEEAQEBNzQXBgEIEQQBAQsUCS4LFAkIAgQBEgiICAy5BASPZzgGgxN0A6ktgxeCKg X-IronPort-AV: E=Sophos;i="4.89,800,1367971200"; d="scan'208";a="242678848" Received: from rcdn-core2-3.cisco.com ([173.37.113.190]) by rcdn-iport-8.cisco.com with ESMTP; 02 Aug 2013 10:08:13 +0000 Received: from xhc-rcd-x10.cisco.com (xhc-rcd-x10.cisco.com [173.37.183.84]) by rcdn-core2-3.cisco.com (8.14.5/8.14.5) with ESMTP id r72A8DaV028740 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Fri, 2 Aug 2013 10:08:13 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.104]) by xhc-rcd-x10.cisco.com ([173.37.183.84]) with mapi id 14.02.0318.004; Fri, 2 Aug 2013 05:08:12 -0500 From: "Jim Guichard (jguichar)" To: "adrian@olddog.co.uk" , "Carlos Pignataro (cpignata)" , "nsc@ietf.org" Thread-Topic: [nsc] Minutes for IETF87, NSC BOF meeting Thread-Index: AQHOjGW4dJSio5ZF7E6i3mj8QHPPsZmAvniAgAEJ4QA= Date: Fri, 2 Aug 2013 10:08:12 +0000 Message-ID: <68B171751455884590F8E38E96416F363F5DAE77@xmb-rcd-x01.cisco.com> In-Reply-To: <079801ce8ec1$ba3d87b0$2eb89710$@olddog.co.uk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.3.120616 x-originating-ip: [10.98.130.215] Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [nsc] Minutes for IETF87, NSC BOF meeting X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Aug 2013 10:08:20 -0000 Done .. And many thanks Carlos for an excellent job! On 8/1/13 10:16 AM, "Adrian Farrel" wrote: >Many thanks Carlos, > >Could the NSC chairs try to get these *draft* minutes posted ASAP. > >Thanks, >Adrian > >> -----Original Message----- >> From: nsc-bounces@ietf.org [mailto:nsc-bounces@ietf.org] On Behalf Of >>Carlos >> Pignataro (cpignata) >> Sent: 29 July 2013 15:13 >> To: nsc@ietf.org >> Subject: [nsc] Minutes for IETF87, NSC BOF meeting >>=20 >> Hi,=20 >>=20 >> Please find the minutes from today's NSC BOF meeting attached. Comments >>and >> corrections are most welcome! >>=20 >> Thanks, >>=20 >> -- Carlos. > > >_______________________________________________ >nsc mailing list >nsc@ietf.org >https://www.ietf.org/mailman/listinfo/nsc From linda.dunbar@huawei.com Sat Aug 3 14:12:06 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 81BE321E809E for ; Sat, 3 Aug 2013 14:12:06 -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=[AWL=-0.000, 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 bxd7t4O6KUXP for ; Sat, 3 Aug 2013 14:12:01 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) by ietfa.amsl.com (Postfix) with ESMTP id C9C8B11E80D9 for ; Sat, 3 Aug 2013 14:11:55 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml203-edg.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.5-GA FastPath queued) with ESMTP id AVR97254; Sat, 03 Aug 2013 21:11:52 +0000 (GMT) Received: from LHREML403-HUB.china.huawei.com (10.201.5.217) by lhreml203-edg.huawei.com (172.18.7.221) with Microsoft SMTP Server (TLS) id 14.1.323.7; Sat, 3 Aug 2013 22:11:30 +0100 Received: from DFWEML407-HUB.china.huawei.com (10.193.5.132) by lhreml403-hub.china.huawei.com (10.201.5.217) with Microsoft SMTP Server (TLS) id 14.1.323.7; Sat, 3 Aug 2013 22:11:50 +0100 Received: from DFWEML509-MBB.china.huawei.com ([169.254.2.150]) by dfweml407-hub.china.huawei.com ([10.193.5.132]) with mapi id 14.01.0323.007; Sat, 3 Aug 2013 14:11:45 -0700 From: Linda Dunbar To: "nsc@ietf.org" Thread-Topic: Critical step of NSC: basic terminologies and necessary components Thread-Index: Ac6QS6fi0CHxHRbGQUm1SLHFo7qf0AAAy57g Date: Sat, 3 Aug 2013 21:11:45 +0000 Message-ID: <4A95BA014132FF49AE685FAB4B9F17F645B5CFA2@dfweml509-mbb.china.huawei.com> Accept-Language: en-US, zh-CN Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.47.141.164] Content-Type: multipart/alternative; boundary="_000_4A95BA014132FF49AE685FAB4B9F17F645B5CFA2dfweml509mbbchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Cc: "adrian@olddog.co.uk" Subject: [nsc] Critical step of NSC: basic terminologies and necessary components X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Aug 2013 21:12:06 -0000 --_000_4A95BA014132FF49AE685FAB4B9F17F645B5CFA2dfweml509mbbchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Through the discussions with people from different background at various fo= rums/conferences and the NSC BoF, I have heard different interpretations of= Service Chain: * Some people, especially from router/switch vendor background, may = think Service chain as traffic steering based on something that is NOT the = packets Layer 2-3 header. E.g. policies or Layer 4-7 fields based traffic s= teering. * Some people, especially from Network Appliance background, may thi= nk of Service Chain as "Middle Boxes" being overplayed over existing networ= k infrastructure. * Application developers may think of "Service Chain" as connecting = various application instances together, such as "Web Server' to "App Server= " and to "DB Server". To make everyone on the same page, I think that it is important to define s= ome common terminologies. To make it more clear on what "services" are chai= ned together and what components are involved, even though it is possible t= hat all those services chained together could have common architecture & so= lutions. Let's first break all "services" into pieces: (granted that multiple pieces= can exist in one physical/virtual device and can be connected together to = form a sellable service to clients). There are: |---wires, or virtual links - Interconnections: |-- |- = steering based on L2-3 header |- Steering functions |-steering based on= policies or L4-7 header - Functions | |- L2-3 service functions {e.g. steering traffic to diff= erent gateway/domains based on dynamic policies to achieve special purposed= forwarding} | |- L4 Service function: {e.g. TCP Acceler= ation, NAT, Firewall, caching, web } | |- L7 Service function {e.g. Web Proxy, co= ntent filtering, statistics collection, etc} Functions are performed on a node (or a virtual node). A Service is a combination of functions being interconnected. >From user perspective, it is about a sequence of service functions intercon= nected. Since each service function can have multiple instances, from network persp= ective, it is really the instances of service function being interconnected= . Hard Questions: * Many people whom I have talked to during IETF week have stated that= NSC is about chaining L4-7 service functions. * But some people (and a presentation at the NSC BoF) mentioned that = NSC also includes chaining L2-3 service functions based on various policies= , does it? For L2-3 functions chained together based on various policies, how is it di= fferent from I2RS? * Should NSC include chaining various "application" modules? In general, most L7 services terminate TCP/UDP sessions. Proxy based L7 se= rvices regenerate new data flows. And packet based L7 services let the pack= ets pass through with some level of header changes I think the general NSC problem statement should start with those terminolo= gies and state clearly of what components are included. Thanks, Linda Dunbar --_000_4A95BA014132FF49AE685FAB4B9F17F645B5CFA2dfweml509mbbchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Through the discussions w= ith people from different background at various forums/conferences and the = NSC BoF, I have heard different interpretations of Service Chain:

·        Some people= , especially from router/switch vendor background, may think Service chain = as traffic steering based on something that is NOT the packets Layer 2-3 he= ader. E.g. policies or Layer 4-7 fields based traffic steering.  

·        Some people= , especially from Network Appliance background, may think of Service Chain = as “Middle Boxes” being overplayed over existing network infras= tructure.

·        Application= developers may think of “Service Chain” as connecting various = application instances together, such as “Web Server’ to “= App Server” and to “DB Server”.

 

To make everyone on the same page, I think that it i= s important to define some common terminologies. To make it more clear on w= hat “services” are chained together and what components are inv= olved, even though it is possible that all those services chained together could have common architecture & solutions. =

 

Let’s first break all “services” i= nto pieces: (granted that multiple pieces can exist in one physical/virtual= device and can be connected together to form a sellable service to clients= ).

 

There are:

 =

 =

    =             &nb= sp;            =             &nb= sp;      |---wires, or virtual links

- &n= bsp;      Interconnections: |= --

 =

    =             &nb= sp;            =             &nb= sp;            =             &nb= sp;     |- steering based on L2-3 header

    =             &nb= sp;            =      |- Steering functions |-steering based on pol= icies or L4-7 header

- &n= bsp;      Functions |

   &n= bsp;            = ;   |- L2-3 service functions {e.g. steering traffic to different= gateway/domains based on dynamic policies to achieve special purposed forwarding}

   &n= bsp;            &nbs= p;  |

           &nb= sp;            =           |- L4 Service functi= on: {e.g. TCP Acceleration, NAT, Firewall,  caching, web }

           &nb= sp;            =          |

           &nb= sp;            =          |- L7 Service function {e.= g. Web Proxy, content filtering, statistics collection, etc}

 =

Functions are performed = on a node (or a virtual node).

 =

A Service is a combinati= on of functions being interconnected.

From user perspective, it is about a sequence o= f service functions interconnected.

Since each service function can have multiple i= nstances, from network perspective, it is really the instances of service f= unction being interconnected.

 

 

 

H= ard Questions:

·       Many people whom I have talked to du= ring IETF week have stated that NSC is about chaining L4-7 service function= s.  

·       But some people (and a presentation = at the NSC BoF) mentioned that NSC also includes chaining L2-3 service func= tions based on various policies, does it?

For L2-3 functions chained together based on various policies, how is i= t different from I2RS?

 

·       Should NSC include chaining various = “application” modules?

In general, most L7 services terminate TCP/UDP sessions. Proxy based L7=  services regenerate new data flows. And packet based L7 services let= the packets pass through with some level of header changes

 

I= think the general NSC problem statement should start with those terminolog= ies and state clearly of what components are included.

 =

Thanks, Linda Dunbar

 

--_000_4A95BA014132FF49AE685FAB4B9F17F645B5CFA2dfweml509mbbchi_-- From kgray@juniper.net Sat Aug 3 16:47:42 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3D0C621F9F85 for ; Sat, 3 Aug 2013 16:47:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.466 X-Spam-Level: X-Spam-Status: No, score=-0.466 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1, UNRESOLVED_TEMPLATE=3.132] 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 pSHqWcs0UINz for ; Sat, 3 Aug 2013 16:47:36 -0700 (PDT) Received: from ch1outboundpool.messaging.microsoft.com (ch1ehsobe005.messaging.microsoft.com [216.32.181.185]) by ietfa.amsl.com (Postfix) with ESMTP id 2960621F9DDB for ; Sat, 3 Aug 2013 16:47:36 -0700 (PDT) Received: from mail174-ch1-R.bigfish.com (10.43.68.247) by CH1EHSOBE012.bigfish.com (10.43.70.62) with Microsoft SMTP Server id 14.1.225.22; 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Sat, 3 Aug 2013 23:47:17 +0000 From: Ken Gray To: Linda Dunbar Thread-Topic: [nsc] Critical step of NSC: basic terminologies and necessary components Thread-Index: AQHOkKPJpeu2OYNzskecAN4RMeaoeg== Date: Sat, 3 Aug 2013 23:47:16 +0000 Message-ID: References: <4A95BA014132FF49AE685FAB4B9F17F645B5CFA2@dfweml509-mbb.china.huawei.com> In-Reply-To: <4A95BA014132FF49AE685FAB4B9F17F645B5CFA2@dfweml509-mbb.china.huawei.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [76.100.123.238] x-forefront-prvs: 0927AA37C7 Content-Type: multipart/alternative; boundary="_000_DDAF270A9F814437B56762507A1225D1junipernet_" MIME-Version: 1.0 X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-FOPE-CONNECTOR: Id%12219$Dn%OLDDOG.CO.UK$RO%2$TLS%5$FQDN%onpremiseedge-1018244.customer.frontbridge.com$TlsDn%o365mail.juniper.net X-FOPE-CONNECTOR: Id%12219$Dn%IETF.ORG$RO%2$TLS%5$FQDN%onpremiseedge-1018244.customer.frontbridge.com$TlsDn%o365mail.juniper.net X-FOPE-CONNECTOR: Id%12219$Dn%HUAWEI.COM$RO%2$TLS%5$FQDN%onpremiseedge-1018244.customer.frontbridge.com$TlsDn%o365mail.juniper.net X-OriginatorOrg: juniper.net X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% Cc: "nsc@ietf.org" , "adrian@olddog.co.uk" Subject: Re: [nsc] Critical step of NSC: basic terminologies and necessary components X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Aug 2013 23:47:42 -0000 --_000_DDAF270A9F814437B56762507A1225D1junipernet_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I respectfully disagree. I don't think the IETF should be a replay of other SDO. What I've seen pro= posed so far are the discussion around metadata and whether an additional h= eader is required to accommodate it. We've got some future work on how to = locate and register a "service". Gaps where standards don't exist or may = not be defined enough to fit even generic use cases. I don't see how a definition of what the atom IS we're trying to stitch to= gether matters. As you indicate, in different scenarios that WILL be diffe= rent. I don't feel confused about the generic definitions of the words "service" = or "chain", or what they mean when they're together. If you can make a cas= e for how/if the definition directly affects the work on the table- the met= adata requirement or the registration of the "service", that may be interes= ting. Sent from my iPhone On Aug 3, 2013, at 5:12 PM, "Linda Dunbar" > wrote: Through the discussions with people from different background at various fo= rums/conferences and the NSC BoF, I have heard different interpretations of= Service Chain: * Some people, especially from router/switch vendor background, may = think Service chain as traffic steering based on something that is NOT the = packets Layer 2-3 header. E.g. policies or Layer 4-7 fields based traffic s= teering. * Some people, especially from Network Appliance background, may thi= nk of Service Chain as "Middle Boxes" being overplayed over existing networ= k infrastructure. * Application developers may think of "Service Chain" as connecting = various application instances together, such as "Web Server' to "App Server= " and to "DB Server". To make everyone on the same page, I think that it is important to define s= ome common terminologies. To make it more clear on what "services" are chai= ned together and what components are involved, even though it is possible t= hat all those services chained together could have common architecture & so= lutions. Let's first break all "services" into pieces: (granted that multiple pieces= can exist in one physical/virtual device and can be connected together to = form a sellable service to clients). There are: |---wires, or virtual links - Interconnections: |-- |- = steering based on L2-3 header |- Steering functions |-steering based on= policies or L4-7 header - Functions | |- L2-3 service functions {e.g. steering traffic to diff= erent gateway/domains based on dynamic policies to achieve special purposed= forwarding} | |- L4 Service function: {e.g. TCP Acceler= ation, NAT, Firewall, caching, web } | |- L7 Service function {e.g. Web Proxy, co= ntent filtering, statistics collection, etc} Functions are performed on a node (or a virtual node). A Service is a combination of functions being interconnected. >From user perspective, it is about a sequence of service functions intercon= nected. Since each service function can have multiple instances, from network persp= ective, it is really the instances of service function being interconnected= . Hard Questions: * Many people whom I have talked to during IETF week have stated that= NSC is about chaining L4-7 service functions. * But some people (and a presentation at the NSC BoF) mentioned that = NSC also includes chaining L2-3 service functions based on various policies= , does it? For L2-3 functions chained together based on various policies, how is it di= fferent from I2RS? * Should NSC include chaining various "application" modules? In general, most L7 services terminate TCP/UDP sessions. Proxy based L7 se= rvices regenerate new data flows. And packet based L7 services let the pack= ets pass through with some level of header changes I think the general NSC problem statement should start with those terminolo= gies and state clearly of what components are included. Thanks, Linda Dunbar _______________________________________________ nsc mailing list nsc@ietf.org https://www.ietf.org/mailman/listinfo/nsc --_000_DDAF270A9F814437B56762507A1225D1junipernet_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
I respectfully disagree.  

I don't think the IETF should be a replay of other SDO.  What I'v= e seen proposed so far are the discussion around metadata and whether an ad= ditional header is required to accommodate it.  We've got some future = work on how to locate and register a "service".   Gaps where standards don't exist or may not be defined enough to fi= t even generic use cases.

 I don't see how a definition of what the atom IS we're trying to= stitch together matters.  As you indicate, in different scenarios tha= t WILL be different.

I don't feel confuse= d about the generic definitions of the words "service" or "chain", or what they mean when= they're together.  If you can make a case for how/if the defin= ition directly affects the work on the table- the metadata requirement or t= he registration of the "service", that may be interesting.



Sent from my iPhone

On Aug 3, 2013, at 5:12 PM, "Linda Dunbar" <linda.dunbar@huawei.com> wrote:

Through the discussions w= ith people from different background at various forums/conferences and the = NSC BoF, I have heard different interpretations of Service Chain:

·        Some pe= ople, especially from router/switch vendor background, may think Service ch= ain as traffic steering based on something that is NOT the packets Layer 2-= 3 header. E.g. policies or Layer 4-7 fields based traffic steering.  

·        Some pe= ople, especially from Network Appliance background, may think of Service Ch= ain as “Middle Boxes” being overplayed over existing network in= frastructure.

·        Applica= tion developers may think of “Service Chain” as connecting vari= ous application instances together, such as “Web Server’ to = 220;App Server” and to “DB Server”.

 

To make everyone on the same page, I think that it i= s important to define some common terminologies. To make it more clear on w= hat “services” are chained together and what components are inv= olved, even though it is possible that all those services chained together could have common architecture & solutions. =

 

Let’s first break all “services” i= nto pieces: (granted that multiple pieces can exist in one physical/virtual= device and can be connected together to form a sellable service to clients= ).

 

There are:

 =

 =

    =             &nb= sp;            =             &nb= sp;      |---wires, or virtual links

-&nbs= p;       Interconnection= s: |--

 =

    =             &nb= sp;            =             &nb= sp;            =             &nb= sp;     |- steering based on L2-3 header

    =             &nb= sp;            =      |- Steering functions |-steering based on pol= icies or L4-7 header

-&nbs= p;       Functions = |

   &n= bsp;            = ;   |- L2-3 service functions {e.g. steering traffic to different= gateway/domains based on dynamic policies to achieve special purposed forwarding}

   &n= bsp;            &nbs= p;  |

           &nb= sp;            =           |- L4 Service functi= on: {e.g. TCP Acceleration, NAT, Firewall,  caching, web }

           &nb= sp;            =          |

           &nb= sp;            =          |- L7 Service function {e.= g. Web Proxy, content filtering, statistics collection, etc}

 =

Functions are performed = on a node (or a virtual node).

 =

A Service is a combinati= on of functions being interconnected.

From user perspective, it is about a sequence o= f service functions interconnected.

Since each service function can have multiple i= nstances, from network perspective, it is really the instances of service f= unction being interconnected.

 

 

 

H= ard Questions:

·       Many people whom I have talked t= o during IETF week have stated that NSC is about chaining L4-7 service func= tions.  

·       But some people (and a presentat= ion at the NSC BoF) mentioned that NSC also includes chaining L2-3 service = functions based on various policies, does it?

For L2-3 functions chained together based on various policies, how is i= t different from I2RS?

 

·       Should NSC include chaining vari= ous “application” modules?

In general, most L7 services terminate TCP/UDP sessions. Proxy based L7=  services regenerate new data flows. And packet based L7 services let= the packets pass through with some level of header changes

 

I= think the general NSC problem statement should start with those terminolog= ies and state clearly of what components are included.

 =

Thanks, Linda Dunbar

 

_______________________________________________
nsc mailing list
nsc@ietf.org
https://www.iet= f.org/mailman/listinfo/nsc
--_000_DDAF270A9F814437B56762507A1225D1junipernet_-- From Ron_Parker@affirmednetworks.com Sun Aug 4 08:09:40 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F1F2321F99B7 for ; Sun, 4 Aug 2013 08:09:39 -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 xreuih93v3LT for ; Sun, 4 Aug 2013 08:09:34 -0700 (PDT) Received: from hub021-ca-5.exch021.serverdata.net (hub021-ca-5.exch021.serverdata.net [64.78.56.70]) by ietfa.amsl.com (Postfix) with ESMTP id C1E9421F99FB for ; Sun, 4 Aug 2013 08:09:28 -0700 (PDT) Received: from MBX021-W3-CA-2.exch021.domain.local ([10.254.4.78]) by HUB021-CA-5.exch021.domain.local ([10.254.4.89]) with mapi id 14.03.0123.003; Sun, 4 Aug 2013 08:09:27 -0700 From: Ron Parker To: Linda Dunbar , "nsc@ietf.org" Thread-Topic: Critical step of NSC: basic terminologies and necessary components Thread-Index: Ac6QS6fi0CHxHRbGQUm1SLHFo7qf0AAAy57gADUwgdA= Date: Sun, 4 Aug 2013 15:09:27 +0000 Message-ID: References: <4A95BA014132FF49AE685FAB4B9F17F645B5CFA2@dfweml509-mbb.china.huawei.com> In-Reply-To: <4A95BA014132FF49AE685FAB4B9F17F645B5CFA2@dfweml509-mbb.china.huawei.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [173.76.112.207] Content-Type: multipart/alternative; boundary="_000_CDF2F015F4429F458815ED2A6C2B6B0B1A68757AMBX021W3CA2exch_" MIME-Version: 1.0 Cc: "adrian@olddog.co.uk" Subject: Re: [nsc] Critical step of NSC: basic terminologies and necessary components X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Aug 2013 15:09:40 -0000 --_000_CDF2F015F4429F458815ED2A6C2B6B0B1A68757AMBX021W3CA2exch_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, Linda. Clearly there are other SDO's wrestling with these same items. I wonder i= f we can, with an IETF focus, reduce the problem to the protocol level even= without concise definitions for the elements of the use cases that are env= isioned. This would allow us to work in parallel with other organization= s, like NFV, where those definitions can be wrestled to the ground. I would suggest that the problem can be reduced to the need for policy-base= d multihop source routing where a "classifier" node determines a set of mus= t-visit nodes. Additionally there has been discussion on metadata delivery= between the classifier and the various nodes in the chain. Ron From: nsc-bounces@ietf.org [mailto:nsc-bounces@ietf.org] On Behalf Of Linda= Dunbar Sent: Saturday, August 03, 2013 5:12 PM To: nsc@ietf.org Cc: adrian@olddog.co.uk Subject: [nsc] Critical step of NSC: basic terminologies and necessary comp= onents Through the discussions with people from different background at various fo= rums/conferences and the NSC BoF, I have heard different interpretations of= Service Chain: * Some people, especially from router/switch vendor background, may= think Service chain as traffic steering based on something that is NOT the= packets Layer 2-3 header. E.g. policies or Layer 4-7 fields based traffic = steering. * Some people, especially from Network Appliance background, may th= ink of Service Chain as "Middle Boxes" being overplayed over existing netwo= rk infrastructure. * Application developers may think of "Service Chain" as connecting= various application instances together, such as "Web Server' to "App Serve= r" and to "DB Server". To make everyone on the same page, I think that it is important to define s= ome common terminologies. To make it more clear on what "services" are chai= ned together and what components are involved, even though it is possible t= hat all those services chained together could have common architecture & so= lutions. Let's first break all "services" into pieces: (granted that multiple pieces= can exist in one physical/virtual device and can be connected together to = form a sellable service to clients). There are: |---wires, or virtual links - Interconnections: |-- |- = steering based on L2-3 header |- Steering functions |-steering based on= policies or L4-7 header - Functions | |- L2-3 service functions {e.g. steering traffic to diff= erent gateway/domains based on dynamic policies to achieve special purposed= forwarding} | |- L4 Service function: {e.g. TCP Acceler= ation, NAT, Firewall, caching, web } | |- L7 Service function {e.g. Web Proxy, co= ntent filtering, statistics collection, etc} Functions are performed on a node (or a virtual node). A Service is a combination of functions being interconnected. >From user perspective, it is about a sequence of service functions intercon= nected. Since each service function can have multiple instances, from network persp= ective, it is really the instances of service function being interconnected= . Hard Questions: * Many people whom I have talked to during IETF week have stated th= at NSC is about chaining L4-7 service functions. * But some people (and a presentation at the NSC BoF) mentioned tha= t NSC also includes chaining L2-3 service functions based on various polici= es, does it? For L2-3 functions chained together based on various policies, how is it di= fferent from I2RS? * Should NSC include chaining various "application" modules? In general, most L7 services terminate TCP/UDP sessions. Proxy based L7 se= rvices regenerate new data flows. And packet based L7 services let the pack= ets pass through with some level of header changes I think the general NSC problem statement should start with those terminolo= gies and state clearly of what components are included. Thanks, Linda Dunbar --_000_CDF2F015F4429F458815ED2A6C2B6B0B1A68757AMBX021W3CA2exch_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi, Linda.<= /span>

 

Clearly there are othe= r SDO’s wrestling with these same items.   I wonder if we c= an, with an IETF focus, reduce the problem to the protocol level even witho= ut concise definitions for the elements of the use cases that are envisioned.    This would allow us to work in para= llel with other organizations, like NFV, where those definitions can be wre= stled to the ground.

 

I would suggest that t= he problem can be reduced to the need for policy-based multihop source rout= ing where a “classifier” node determines a set of must-visit no= des.  Additionally there has been discussion on metadata delivery between the classifier and the various nodes in the chai= n.

 

   Ron<= /o:p>

 

 

From: nsc-bounces@ietf.org [mailto:nsc-bounce= s@ietf.org] On Behalf Of Linda Dunbar
Sent: Saturday, August 03, 2013 5:12 PM
To: nsc@ietf.org
Cc: adrian@olddog.co.uk
Subject: [nsc] Critical step of NSC: basic terminologies and necessa= ry components

 

Through the discussions w= ith people from different background at various forums/conferences and the = NSC BoF, I have heard different interpretations of Service Chain:

·         Some people= , especially from router/switch vendor background, may think Service chain = as traffic steering based on something that is NOT the packets Layer 2-3 he= ader. E.g. policies or Layer 4-7 fields based traffic steering.  

·         Some people= , especially from Network Appliance background, may think of Service Chain = as “Middle Boxes” being overplayed over existing network infras= tructure.

·         Application= developers may think of “Service Chain” as connecting various = application instances together, such as “Web Server’ to “= App Server” and to “DB Server”.

 

To make everyone on the same page, I think that it i= s important to define some common terminologies. To make it more clear on w= hat “services” are chained together and what components are inv= olved, even though it is possible that all those services chained together could have common architecture & solutions. =

 

Let’s first break all “services” i= nto pieces: (granted that multiple pieces can exist in one physical/virtual= device and can be connected together to form a sellable service to clients= ).

 

There are:

 =

 =

    =             &nb= sp;            =             &nb= sp;      |---wires, or virtual links

- &n= bsp;        Interconnections: |= --

 =

    =             &nb= sp;            =             &nb= sp;            =             &nb= sp;     |- steering based on L2-3 header

    =             &nb= sp;            =      |- Steering functions |-steering based on pol= icies or L4-7 header

- &n= bsp;        Functions |

   &n= bsp;            = ;   |- L2-3 service functions {e.g. steering traffic to different= gateway/domains based on dynamic policies to achieve special purposed forwarding}

   &n= bsp;            &nbs= p;  |

           &nb= sp;            =           |- L4 Service functi= on: {e.g. TCP Acceleration, NAT, Firewall,  caching, web }

           &nb= sp;            =          |

           &nb= sp;            =          |- L7 Service function {e.= g. Web Proxy, content filtering, statistics collection, etc}

 =

Functions are performed = on a node (or a virtual node).

 =

A Service is a combinati= on of functions being interconnected.

From user perspective, it is about a sequence o= f service functions interconnected.

Since each service function can have multiple i= nstances, from network perspective, it is really the instances of service f= unction being interconnected.

 

 

 

H= ard Questions:

·         Many people whom I have talked to du= ring IETF week have stated that NSC is about chaining L4-7 service function= s.  

·         But some people (and a presentation = at the NSC BoF) mentioned that NSC also includes chaining L2-3 service func= tions based on various policies, does it?

For L2-3 functions chained together based on various policies, how is i= t different from I2RS?

 

·         Should NSC include chaining various = “application” modules?

In general, most L7 services terminate TCP/UDP sessions. Proxy based L7=  services regenerate new data flows. And packet based L7 services let= the packets pass through with some level of header changes

 

I= think the general NSC problem statement should start with those terminolog= ies and state clearly of what components are included.

 =

Thanks, Linda Dunbar

 

--_000_CDF2F015F4429F458815ED2A6C2B6B0B1A68757AMBX021W3CA2exch_-- From mohamed.boucadair@orange.com Sun Aug 4 23:32:32 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8E6BD11E8118 for ; Sun, 4 Aug 2013 23:32:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.194 X-Spam-Level: X-Spam-Status: No, score=-2.194 tagged_above=-999 required=5 tests=[AWL=0.053, BAYES_00=-2.599, HELO_EQ_FR=0.35, 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 g5OfDlKhR4dA for ; Sun, 4 Aug 2013 23:32:27 -0700 (PDT) Received: from relais-inet.francetelecom.com (relais-ias92.francetelecom.com [193.251.215.92]) by ietfa.amsl.com (Postfix) with ESMTP id AB81821F9A26 for ; Sun, 4 Aug 2013 23:32:25 -0700 (PDT) Received: from omfedm05.si.francetelecom.fr (unknown [xx.xx.xx.1]) by omfedm13.si.francetelecom.fr (ESMTP service) with ESMTP id 7403E3246DD; Mon, 5 Aug 2013 08:32:22 +0200 (CEST) Received: from PUEXCH21.nanterre.francetelecom.fr (unknown [10.101.44.28]) by omfedm05.si.francetelecom.fr (ESMTP service) with ESMTP id 4A3A035C0B2; Mon, 5 Aug 2013 08:32:22 +0200 (CEST) Received: from PUEXCB1B.nanterre.francetelecom.fr ([10.101.44.12]) by PUEXCH21.nanterre.francetelecom.fr ([10.101.44.28]) with mapi; Mon, 5 Aug 2013 08:32:22 +0200 From: To: Linda Dunbar , "nsc@ietf.org" Date: Mon, 5 Aug 2013 08:32:15 +0200 Thread-Topic: Critical step of NSC: basic terminologies and necessary components Thread-Index: Ac6QS6fi0CHxHRbGQUm1SLHFo7qf0AAAy57gAFUrXzA= Message-ID: <94C682931C08B048B7A8645303FDC9F36EE99C8E31@PUEXCB1B.nanterre.francetelecom.fr> References: <4A95BA014132FF49AE685FAB4B9F17F645B5CFA2@dfweml509-mbb.china.huawei.com> In-Reply-To: <4A95BA014132FF49AE685FAB4B9F17F645B5CFA2@dfweml509-mbb.china.huawei.com> Accept-Language: fr-FR Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: fr-FR Content-Type: multipart/alternative; boundary="_000_94C682931C08B048B7A8645303FDC9F36EE99C8E31PUEXCB1Bnante_" MIME-Version: 1.0 X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2013.8.4.132749 Cc: "adrian@olddog.co.uk" Subject: Re: [nsc] Critical step of NSC: basic terminologies and necessary components X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Aug 2013 06:32:32 -0000 --_000_94C682931C08B048B7A8645303FDC9F36EE99C8E31PUEXCB1Bnante_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Linda, IMO, we should not go in that path. I would suggest we avoid making any ass= umption on the individual functions. For example, we should not care about = the layer on which the function acts on. The exact definition of each funct= ion is specific to each domain: it is deployment-specific. Instead, I sugge= st we scope the work to a very specific problem which is: how to enforce po= licy-based forwarding in which a set of functions are invoked in a given or= der. Cheers, Med De : nsc-bounces@ietf.org [mailto:nsc-bounces@ietf.org] De la part de Linda= Dunbar Envoy=E9 : samedi 3 ao=FBt 2013 23:12 =C0 : nsc@ietf.org Cc : adrian@olddog.co.uk Objet : [nsc] Critical step of NSC: basic terminologies and necessary compo= nents Through the discussions with people from different background at various fo= rums/conferences and the NSC BoF, I have heard different interpretations of= Service Chain: =B7 Some people, especially from router/switch vendor background, m= ay think Service chain as traffic steering based on something that is NOT t= he packets Layer 2-3 header. E.g. policies or Layer 4-7 fields based traffi= c steering. =B7 Some people, especially from Network Appliance background, may = think of Service Chain as "Middle Boxes" being overplayed over existing net= work infrastructure. =B7 Application developers may think of "Service Chain" as connecti= ng various application instances together, such as "Web Server' to "App Ser= ver" and to "DB Server". To make everyone on the same page, I think that it is important to define s= ome common terminologies. To make it more clear on what "services" are chai= ned together and what components are involved, even though it is possible t= hat all those services chained together could have common architecture & so= lutions. Let's first break all "services" into pieces: (granted that multiple pieces= can exist in one physical/virtual device and can be connected together to = form a sellable service to clients). There are: |---wires, or virtual links - Interconnections: |-- |- = steering based on L2-3 header |- Steering functions |-steering based on= policies or L4-7 header - Functions | |- L2-3 service functions {e.g. steering traffic to diff= erent gateway/domains based on dynamic policies to achieve special purposed= forwarding} | |- L4 Service function: {e.g. TCP Acceler= ation, NAT, Firewall, caching, web } | |- L7 Service function {e.g. Web Proxy, co= ntent filtering, statistics collection, etc} Functions are performed on a node (or a virtual node). A Service is a combination of functions being interconnected. >From user perspective, it is about a sequence of service functions intercon= nected. Since each service function can have multiple instances, from network persp= ective, it is really the instances of service function being interconnected= . Hard Questions: =B7 Many people whom I have talked to during IETF week have stated = that NSC is about chaining L4-7 service functions. =B7 But some people (and a presentation at the NSC BoF) mentioned t= hat NSC also includes chaining L2-3 service functions based on various poli= cies, does it? For L2-3 functions chained together based on various policies, how is it di= fferent from I2RS? =B7 Should NSC include chaining various "application" modules? In general, most L7 services terminate TCP/UDP sessions. Proxy based L7 se= rvices regenerate new data flows. And packet based L7 services let the pack= ets pass through with some level of header changes I think the general NSC problem statement should start with those terminolo= gies and state clearly of what components are included. Thanks, Linda Dunbar --_000_94C682931C08B048B7A8645303FDC9F36EE99C8E31PUEXCB1Bnante_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi Linda,

 

IMO, we should not go in that path. I would suggest we avoid making any= assumption on the individual functions. For example, we should not care ab= out the layer on which the function acts on. The exact definition of each f= unction is specific to each domain: it is deployment-specific. Instead, I s= uggest we scope the work to a very specific problem which is: how to enforc= e policy-based forwarding in which a set of functions are invoked in a give= n order.

 

Cheers,

Med

 

 

De : nsc-bounces@ietf.org [mailto:nsc-bounces@= ietf.org] De la part de Linda Dunbar
Envoy=E9 : samed= i 3 ao=FBt 2013 23:12
=C0 : nsc@ietf.org
Cc := adrian@olddog.co.uk
Objet : [nsc] Critical step of NSC: bas= ic terminologies and necessary components

=

 

Through the discussions with people from different backgroun= d at various forums/conferences and the NSC BoF, I have heard different int= erpretations of Service Chain:

=B7&nb= sp;        Some people, especially from router/swit= ch vendor background, may think Service chain as traffic steering based on = something that is NOT the packets Layer 2-3 header. E.g. policies or Layer = 4-7 fields based traffic steering.  

=B7         Some people, esp= ecially from Network Appliance background, may think of Service Chain as &#= 8220;Middle Boxes” being overplayed over existing network infrastruct= ure.

=B7   &nb= sp;     Application developers may think of “Service Chain&#= 8221; as connecting various application instances together, such as “= Web Server’ to “App Server” and to “DB Server”= ;.

 

To make everyone on the same page, I think that it is importan= t to define some common terminologies. To make it more clear on what “= ;services” are chained together and what components are involved, eve= n though it is possible that all those services chained together could have= common architecture & solutions.

<= o:p> 

Let’s first break all “= ;services” into pieces: (granted that multiple pieces can exist in on= e physical/virtual device and can be connected together to form a sellable = service to clients).

 <= /p>

There are:

 =

 

  &= nbsp;           &nbs= p;            &= nbsp;           &nbs= p;        |---wires, or virtual links

-   &n= bsp;      Inte= rconnections: |--

 

         &nbs= p;            &= nbsp;           &nbs= p;            &= nbsp;           &nbs= p;            |- ste= ering based on L2-3 header

        &nbs= p;            &= nbsp;           &nbs= p;|- Steering functions |-steering based on policies or L4-7 header

-    &= nbsp;     Functions=  |

  &= nbsp;           &nbs= p;    |- L2-3 service functions {e.g. steering traffic to di= fferent gateway/domains based on dynamic policies to achieve special purpos= ed forwarding}

 =              &n= bsp;    |

   &n= bsp;            = ;            &n= bsp;     |- L4 Service function: {e.g. TCP Acceleration= , NAT, Firewall,  caching, web }

  = ;            &n= bsp;            = ;      |

  = ;            &n= bsp;            = ;      |- L7 Service function {e.g. Web Proxy, con= tent filtering, statistics collection, etc}

 

Functions are performed on a nod= e (or a virtual node).

 

A Service is a combination of functions being interconn= ected.

From user perspective, it is about a seq= uence of service functions interconnected.

Si= nce each service function can have multiple instances, from network perspec= tive, it is really the instances of service function being interconnected. =

 

 <= /o:p>

 

Hard Questions: <= o:p>

=B7       = ;  Many people whom I have talked to during IETF we= ek have stated that NSC is about chaining L4-7 service functions.  

=B7         <= /span>But some people (and a presentation at the NSC BoF) menti= oned that NSC also includes chaining L2-3 service functions based on variou= s policies, does it?

For L2-3 functions chained to= gether based on various policies, how is it different from I2RS?=

 

= =B7    &nb= sp;    Should NSC include chaining variou= s “application” modules?

In general, m= ost L7 services terminate TCP/UDP sessions. Proxy based L7  services r= egenerate new data flows. And packet based L7 services let the packets pass= through with some level of header changes

&nb= sp;

I think the general NSC problem statement should start wit= h those terminologies and state clearly of what components are included.

 

Thanks, Linda Dunbar

&nb= sp;

= --_000_94C682931C08B048B7A8645303FDC9F36EE99C8E31PUEXCB1Bnante_-- From jguichar@cisco.com Mon Aug 5 06:01:11 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A9F9021F9EAA for ; Mon, 5 Aug 2013 06:01:11 -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=[AWL=-0.000, 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 u57SKfjkV8n8 for ; Mon, 5 Aug 2013 06:01:06 -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 525FE21F9DF1 for ; Mon, 5 Aug 2013 06:01:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=28959; q=dns/txt; s=iport; t=1375707664; x=1376917264; h=from:to:cc:subject:date:message-id:in-reply-to: mime-version; bh=S+PqV21NwHE4sIj4vhYDc8qaXxOgrwcS9ws4nHVOmhs=; b=ZNn2UNdlRPHvEy2g5yR6tNhIu4uCg5lgJlsmsvDYzYUH1CL7Ek19Uinh 7Z5JOkkOCMShX/iarsYRl5gGcG/aZUCVTa1azuXpcBN7VP/2SVJgYDucs V2PYKJTqU/RxIY9GVVrXBRU21oSIkxTrONxMmxIxv8hBi7Y/6ZcUQn4wY w=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiAFACSh/1GtJXG//2dsb2JhbABagkJENVC+dIEeFnSCJAEBAQQtOxESAQgRAQIBAgsWAQY5FAMGCAIEAQ0FCBOHdbR4j2ggEQYBgxl0A5NIQZUmgxeCKg X-IronPort-AV: E=Sophos;i="4.89,818,1367971200"; d="scan'208,217";a="243534788" Received: from rcdn-core2-4.cisco.com ([173.37.113.191]) by rcdn-iport-5.cisco.com with ESMTP; 05 Aug 2013 13:01:03 +0000 Received: from xhc-aln-x02.cisco.com (xhc-aln-x02.cisco.com [173.36.12.76]) by rcdn-core2-4.cisco.com (8.14.5/8.14.5) with ESMTP id r75D13XH009915 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Mon, 5 Aug 2013 13:01:03 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.107]) by xhc-aln-x02.cisco.com ([173.36.12.76]) with mapi id 14.02.0318.004; Mon, 5 Aug 2013 08:01:03 -0500 From: "Jim Guichard (jguichar)" To: "mohamed.boucadair@orange.com" , "Linda Dunbar" , "nsc@ietf.org" Thread-Topic: [nsc] Critical step of NSC: basic terminologies and necessary components Thread-Index: AQHOkdvXiGBkenxjR0el6+Z6hGpfbg== Date: Mon, 5 Aug 2013 13:01:03 +0000 Message-ID: <68B171751455884590F8E38E96416F363F5E772B@xmb-rcd-x01.cisco.com> In-Reply-To: <94C682931C08B048B7A8645303FDC9F36EE99C8E31@PUEXCB1B.nanterre.francetelecom.fr> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.3.120616 x-originating-ip: [10.98.130.215] Content-Type: multipart/alternative; boundary="_000_68B171751455884590F8E38E96416F363F5E772Bxmbrcdx01ciscoc_" MIME-Version: 1.0 Cc: "adrian@olddog.co.uk" Subject: Re: [nsc] Critical step of NSC: basic terminologies and necessary components X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Aug 2013 13:01:11 -0000 --_000_68B171751455884590F8E38E96416F363F5E772Bxmbrcdx01ciscoc_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Med, I agree and do not see the necessity to spend oodles of time defining termi= nology; if specific terminology is necessary for a particular deployment sc= enario then it should be defined within use case ID's. Having said that I b= elieve the scope of work is wider than just enforcing policy-based forwardi= ng through a set of service functions. We also need to define the interface= for presentation of metadata from/to the network and service functions, an= d between service functions. From: "mohamed.boucadair@orange.com" <= mohamed.boucadair@orange.com> Date: Monday, August 5, 2013 2:32 AM To: Linda Dunbar >,= "nsc@ietf.org" > Cc: "adrian@olddog.co.uk" > Subject: Re: [nsc] Critical step of NSC: basic terminologies and necessary = components Hi Linda, IMO, we should not go in that path. I would suggest we avoid making any ass= umption on the individual functions. For example, we should not care about = the layer on which the function acts on. The exact definition of each funct= ion is specific to each domain: it is deployment-specific. Instead, I sugge= st we scope the work to a very specific problem which is: how to enforce po= licy-based forwarding in which a set of functions are invoked in a given or= der. Cheers, Med De : nsc-bounces@ietf.org [mailto:nsc-bounces@= ietf.org] De la part de Linda Dunbar Envoy=E9 : samedi 3 ao=FBt 2013 23:12 =C0 : nsc@ietf.org Cc : adrian@olddog.co.uk Objet : [nsc] Critical step of NSC: basic terminologies and necessary compo= nents Through the discussions with people from different background at various fo= rums/conferences and the NSC BoF, I have heard different interpretations of= Service Chain: =B7 Some people, especially from router/switch vendor background, m= ay think Service chain as traffic steering based on something that is NOT t= he packets Layer 2-3 header. E.g. policies or Layer 4-7 fields based traffi= c steering. =B7 Some people, especially from Network Appliance background, may = think of Service Chain as =93Middle Boxes=94 being overplayed over existing= network infrastructure. =B7 Application developers may think of =93Service Chain=94 as conn= ecting various application instances together, such as =93Web Server=92 to = =93App Server=94 and to =93DB Server=94. To make everyone on the same page, I think that it is important to define s= ome common terminologies. To make it more clear on what =93services=94 are = chained together and what components are involved, even though it is possib= le that all those services chained together could have common architecture = & solutions. Let=92s first break all =93services=94 into pieces: (granted that multiple = pieces can exist in one physical/virtual device and can be connected togeth= er to form a sellable service to clients). There are: |---wires, or virtual links - Interconnections: |-- |- = steering based on L2-3 header |- Steering functions |-steering based on= policies or L4-7 header - Functions | |- L2-3 service functions {e.g. steering traffic to diff= erent gateway/domains based on dynamic policies to achieve special purposed= forwarding} | |- L4 Service function: {e.g. TCP Acceler= ation, NAT, Firewall, caching, web } | |- L7 Service function {e.g. Web Proxy, co= ntent filtering, statistics collection, etc} Functions are performed on a node (or a virtual node). A Service is a combination of functions being interconnected. >From user perspective, it is about a sequence of service functions intercon= nected. Since each service function can have multiple instances, from network persp= ective, it is really the instances of service function being interconnected= . Hard Questions: =B7 Many people whom I have talked to during IETF week have stated = that NSC is about chaining L4-7 service functions. =B7 But some people (and a presentation at the NSC BoF) mentioned t= hat NSC also includes chaining L2-3 service functions based on various poli= cies, does it? For L2-3 functions chained together based on various policies, how is it di= fferent from I2RS? =B7 Should NSC include chaining various =93application=94 modules? In general, most L7 services terminate TCP/UDP sessions. Proxy based L7 se= rvices regenerate new data flows. And packet based L7 services let the pack= ets pass through with some level of header changes I think the general NSC problem statement should start with those terminolo= gies and state clearly of what components are included. Thanks, Linda Dunbar --_000_68B171751455884590F8E38E96416F363F5E772Bxmbrcdx01ciscoc_ Content-Type: text/html; charset="Windows-1252" Content-ID: Content-Transfer-Encoding: quoted-printable
Hi Med,

I agree and do not see the necessity to spend oodles of time defining = terminology; if specific terminology is necessary for a particular deployme= nt scenario then it should be defined within use case ID's. Having said tha= t I believe the scope of work is wider than just enforcing policy-based forwarding through a set of service= functions. We also need to define the interface for presentation of metada= ta from/to the network and service functions, and between service functions= . 

From: "mohamed.boucadair@orange.com" <mohamed.boucadair@orange.com&g= t;
Date: Monday, August 5, 2013 2:32 A= M
To: Linda Dunbar <linda.dunbar@huawei.com>, "nsc@ietf.org" <nsc@ietf.org>
Cc: "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Subject: Re: [nsc] Critical step of= NSC: basic terminologies and necessary components

Hi Linda,

 

IMO, we should not go in that path. I wo= uld suggest we avoid making any assumption on the individual functions. For= example, we should not care about the layer on which the function acts on. The exact definition of each function= is specific to each domain: it is deployment-specific. Instead, I suggest = we scope the work to a very specific problem which is: how to enforce polic= y-based forwarding in which a set of functions are invoked in a given order.

 

Cheers,

Med

 

 

De : nsc-bounces@ietf.org [mailto:nsc-bounces@ietf.org] De la part de Linda Dunbar
Envoy=E9 : samedi 3 ao=FBt 2013 23:12
=C0 : nsc@ietf.org
Cc : adrian@olddog.co.uk=
Objet : [nsc] Critical step of NSC: basic terminologies and nec= essary components

 

Through the discussions w= ith people from different background at various forums/conferences and the = NSC BoF, I have heard different interpretations of Service Chain:

=B7&= nbsp;        Some pe= ople, especially from router/switch vendor background, may think Service ch= ain as traffic steering based on something that is NOT the packets Layer 2-= 3 header. E.g. policies or Layer 4-7 fields based traffic steering.  

=B7&= nbsp;        Some pe= ople, especially from Network Appliance background, may think of Service Ch= ain as =93Middle Boxes=94 being overplayed over existing network infrastruc= ture.

=B7&= nbsp;        Applica= tion developers may think of =93Service Chain=94 as connecting various appl= ication instances together, such as =93Web Server=92 to =93App Server=94 an= d to =93DB Server=94.

 

To make everyone on the same page, I think that it i= s important to define some common terminologies. To make it more clear on w= hat =93services=94 are chained together and what components are involved, e= ven though it is possible that all those services chained together could have common architecture & solutions. =

 

Let=92s first break all =93services=94 into pieces: = (granted that multiple pieces can exist in one physical/virtual device and = can be connected together to form a sellable service to clients).

 

There are:

 =

 =

    =             &nb= sp;            =             &nb= sp;      |---wires, or virtual links

-&nb= sp;         Interconnections: |--<= /span>

 =

    =             &nb= sp;            =             &nb= sp;            =             &nb= sp;     |- steering based on L2-3 header

    =             &nb= sp;            =      |- Steering functions |-steering based on pol= icies or L4-7 header

-&nb= sp;         Functions |

      &n= bsp;            |- L= 2-3 service functions {e.g. steering traffic to different gateway/domains b= ased on dynamic policies to achieve special purposed forwarding}

       &= nbsp;           |

           &nb= sp;            =           |- L4 Service functi= on: {e.g. TCP Acceleration, NAT, Firewall,  caching, web }

           &nb= sp;            =          |

           &nb= sp;            =          |- L7 Service function {e.= g. Web Proxy, content filtering, statistics collection, etc}

 =

Functions are performed = on a node (or a virtual node).

 =

A Service is a combinati= on of functions being interconnected.

From user perspective, it is about a sequence o= f service functions interconnected.

Since each service function can have multiple i= nstances, from network perspective, it is really the instances of service f= unction being interconnected.

 

 

 

H= ard Questions:=

=B7         Many people whom I have talked to during IETF week= have stated that NSC is about chaining L4-7 service functions.  

=B7         But some people (and a presentation at the NSC BoF= ) mentioned that NSC also includes chaining L2-3 service functions based on= various policies, does it?

For L2-3 functions chained together based on various policies, how is = it different from I2RS?

 

=B7         Should NSC include chaining various =93application= =94 modules?

In general, most L7 services terminate TCP/UDP sessions. Proxy based L= 7  services regenerate new data flows. And packet based L7 services le= t the packets pass through with some level of header changes

 

I= think the general NSC problem statement should start with those terminolog= ies and state clearly of what components are included.

 =

Thanks, Linda Dunbar

 

 --_000_68B171751455884590F8E38E96416F363F5E772Bxmbrcdx01ciscoc_-- From mohamed.boucadair@orange.com Mon Aug 5 06:32:57 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 94DAF21F9DE1 for ; Mon, 5 Aug 2013 06:32:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.201 X-Spam-Level: X-Spam-Status: No, score=-2.201 tagged_above=-999 required=5 tests=[AWL=0.046, BAYES_00=-2.599, HELO_EQ_FR=0.35, 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 Fatv7ozVHdmd for ; Mon, 5 Aug 2013 06:32:52 -0700 (PDT) Received: from relais-inet.francetelecom.com (relais-ias92.francetelecom.com [193.251.215.92]) by ietfa.amsl.com (Postfix) with ESMTP id B75B921F9DA1 for ; Mon, 5 Aug 2013 06:32:51 -0700 (PDT) Received: from omfedm05.si.francetelecom.fr (unknown [xx.xx.xx.1]) by omfedm14.si.francetelecom.fr (ESMTP service) with ESMTP id BBA6622D78B; Mon, 5 Aug 2013 15:32:50 +0200 (CEST) Received: from puexch31.nanterre.francetelecom.fr (unknown [10.101.44.29]) by omfedm05.si.francetelecom.fr (ESMTP service) with ESMTP id 8D50F35C0CC; Mon, 5 Aug 2013 15:32:50 +0200 (CEST) Received: from PUEXCB1B.nanterre.francetelecom.fr ([10.101.44.12]) by puexch31.nanterre.francetelecom.fr ([10.101.44.29]) with mapi; Mon, 5 Aug 2013 15:32:50 +0200 From: To: "Jim Guichard (jguichar)" , Linda Dunbar , "nsc@ietf.org" Date: Mon, 5 Aug 2013 15:32:49 +0200 Thread-Topic: [nsc] Critical step of NSC: basic terminologies and necessary components Thread-Index: AQHOkdvXiGBkenxjR0el6+Z6hGpfbpmGm9Hg Message-ID: <94C682931C08B048B7A8645303FDC9F36EE99C8F81@PUEXCB1B.nanterre.francetelecom.fr> References: <94C682931C08B048B7A8645303FDC9F36EE99C8E31@PUEXCB1B.nanterre.francetelecom.fr> <68B171751455884590F8E38E96416F363F5E772B@xmb-rcd-x01.cisco.com> In-Reply-To: <68B171751455884590F8E38E96416F363F5E772B@xmb-rcd-x01.cisco.com> Accept-Language: fr-FR Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: fr-FR Content-Type: multipart/alternative; boundary="_000_94C682931C08B048B7A8645303FDC9F36EE99C8F81PUEXCB1Bnante_" MIME-Version: 1.0 X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2013.8.5.123337 Cc: "adrian@olddog.co.uk" Subject: Re: [nsc] Critical step of NSC: basic terminologies and necessary components X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Aug 2013 13:32:57 -0000 --_000_94C682931C08B048B7A8645303FDC9F36EE99C8F81PUEXCB1Bnante_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re-, Yes, I agree. The interfaces are part of the global framework. In my mind, = these are sub-items of the "how" mentioned in my initial message. Cheers, Med De : Jim Guichard (jguichar) [mailto:jguichar@cisco.com] Envoy=E9 : lundi 5 ao=FBt 2013 15:01 =C0 : BOUCADAIR Mohamed OLNC/OLN; Linda Dunbar; nsc@ietf.org Cc : adrian@olddog.co.uk Objet : Re: [nsc] Critical step of NSC: basic terminologies and necessary c= omponents Hi Med, I agree and do not see the necessity to spend oodles of time defining termi= nology; if specific terminology is necessary for a particular deployment sc= enario then it should be defined within use case ID's. Having said that I b= elieve the scope of work is wider than just enforcing policy-based forwardi= ng through a set of service functions. We also need to define the interface= for presentation of metadata from/to the network and service functions, an= d between service functions. From: "mohamed.boucadair@orange.com" <= mohamed.boucadair@orange.com> Date: Monday, August 5, 2013 2:32 AM To: Linda Dunbar >,= "nsc@ietf.org" > Cc: "adrian@olddog.co.uk" > Subject: Re: [nsc] Critical step of NSC: basic terminologies and necessary = components Hi Linda, IMO, we should not go in that path. I would suggest we avoid making any ass= umption on the individual functions. For example, we should not care about = the layer on which the function acts on. The exact definition of each funct= ion is specific to each domain: it is deployment-specific. Instead, I sugge= st we scope the work to a very specific problem which is: how to enforce po= licy-based forwarding in which a set of functions are invoked in a given or= der. Cheers, Med De : nsc-bounces@ietf.org [mailto:nsc-bounces@= ietf.org] De la part de Linda Dunbar Envoy=E9 : samedi 3 ao=FBt 2013 23:12 =C0 : nsc@ietf.org Cc : adrian@olddog.co.uk Objet : [nsc] Critical step of NSC: basic terminologies and necessary compo= nents Through the discussions with people from different background at various fo= rums/conferences and the NSC BoF, I have heard different interpretations of= Service Chain: =B7 Some people, especially from router/switch vendor background, m= ay think Service chain as traffic steering based on something that is NOT t= he packets Layer 2-3 header. E.g. policies or Layer 4-7 fields based traffi= c steering. =B7 Some people, especially from Network Appliance background, may = think of Service Chain as "Middle Boxes" being overplayed over existing net= work infrastructure. =B7 Application developers may think of "Service Chain" as connecti= ng various application instances together, such as "Web Server' to "App Ser= ver" and to "DB Server". To make everyone on the same page, I think that it is important to define s= ome common terminologies. To make it more clear on what "services" are chai= ned together and what components are involved, even though it is possible t= hat all those services chained together could have common architecture & so= lutions. Let's first break all "services" into pieces: (granted that multiple pieces= can exist in one physical/virtual device and can be connected together to = form a sellable service to clients). There are: |---wires, or virtual links - Interconnections: |-- |- = steering based on L2-3 header |- Steering functions |-steering based on= policies or L4-7 header - Functions | |- L2-3 service functions {e.g. steering traffic to diff= erent gateway/domains based on dynamic policies to achieve special purposed= forwarding} | |- L4 Service function: {e.g. TCP Acceler= ation, NAT, Firewall, caching, web } | |- L7 Service function {e.g. Web Proxy, co= ntent filtering, statistics collection, etc} Functions are performed on a node (or a virtual node). A Service is a combination of functions being interconnected. >From user perspective, it is about a sequence of service functions intercon= nected. Since each service function can have multiple instances, from network persp= ective, it is really the instances of service function being interconnected= . Hard Questions: =B7 Many people whom I have talked to during IETF week have stated = that NSC is about chaining L4-7 service functions. =B7 But some people (and a presentation at the NSC BoF) mentioned t= hat NSC also includes chaining L2-3 service functions based on various poli= cies, does it? For L2-3 functions chained together based on various policies, how is it di= fferent from I2RS? =B7 Should NSC include chaining various "application" modules? In general, most L7 services terminate TCP/UDP sessions. Proxy based L7 se= rvices regenerate new data flows. And packet based L7 services let the pack= ets pass through with some level of header changes I think the general NSC problem statement should start with those terminolo= gies and state clearly of what components are included. Thanks, Linda Dunbar --_000_94C682931C08B048B7A8645303FDC9F36EE99C8F81PUEXCB1Bnante_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

= Re-,

 <= /o:p>

Yes, I agree. The interfaces are= part of the global framework. In my mind, these are sub-items of the ̶= 0;how” mentioned in my initial message.

 

= Cheers,

Med

 

 

De : Jim Guichard (jguichar) [mailto:jguichar@cisco.com]
= Envoy=E9 : lundi 5 ao=FBt 2013 15:01
=C0 : BOUCADAI= R Mohamed OLNC/OLN; Linda Dunbar; nsc@ietf.org
Cc := adrian@olddog.co.uk
Objet : Re: [nsc] Critical step of NSC:= basic terminologies and necessary components

 

Hi Med,

 

I agree and do not see the necessity to spend o= odles of time defining terminology; if specific terminology is necessary fo= r a particular deployment scenario then it should be defined within use cas= e ID's. Having said that I believe the scope of work is wider than just enf= orcing policy-based forwarding through a set of service functions. We also = need to define the interface for presentation of metadata from/to the netwo= rk and service functions, and between service functions. 

 

= From: "mohamed.boucadair@or= ange.com" <moha= med.boucadair@orange.com>
Date: Monday, August 5, 2013 2:3= 2 AM
To: Linda Dunbar <linda.dunbar@huawei.com>, "= nsc@ietf.org" <nsc@ietf.org= >
Cc: "adrian@oldd= og.co.uk" <adrian@olddog= .co.uk>
Subject: Re: [nsc] Critical step of NSC: basic ter= minologies and necessary components

 

Hi Linda,

&n= bsp;

IMO, we should not go in that path. I would suggest we avoid m= aking any assumption on the individual functions. For example, we should no= t care about the layer on which the function acts on. The exact definition = of each function is specific to each domain: it is deployment-specific. Ins= tead, I suggest we scope the work to a very specific problem which is: how = to enforce policy-based forwarding in which a set of functions are invoked = in a given order.

<= p class=3DMsoNormal> 

Cheers,

Med

 = ;

 

De : nsc-bounces@ietf.o= rg [mailto:nsc-bounces@ietf.org= ] De la part de Linda Dunbar
Envoy=E9 : samedi 3 = ao=FBt 2013 23:12
=C0 : nsc@= ietf.org
Cc : adr= ian@olddog.co.uk
Objet : [nsc] Critical step of NSC: bas= ic terminologies and necessary components

 

Through the discussions with people f= rom different background at various forums/conferences and the NSC BoF, I h= ave heard different interpretations of Service Chain:

=

=B7         Som= e people, especially from router/switch vendor background, may think Servic= e chain as traffic steering based on something that is NOT the packets Laye= r 2-3 header. E.g. policies or Layer 4-7 fields based traffic steering.&nbs= p; 

=B7         Some people= , especially from Network Appliance background, may think of Service Chain = as “Middle Boxes” being overplayed over existing network infras= tructure.

=B7         Application= developers may think of “Service Chain” as connecting various = application instances together, such as “Web Server’ to “= App Server” and to “DB Server”.

 

To make everyone on the same page, I think that it is important to = define some common terminologies. To make it more clear on what “serv= ices” are chained together and what components are involved, even tho= ugh it is possible that all those services chained together could have comm= on architecture & solutions.

 

Let’s first break all “services&= #8221; into pieces: (granted that multiple pieces can exist in one physical= /virtual device and can be connected together to form a sellable service to= clients).

 

There are:

 

 

         =             &nb= sp;            =             &nb= sp; |---wires, or virtual links

-&nb= sp;         Interconnections: |--<= /o:p>

 

 &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;            = ;        |- steering based on L2-3 heade= r

&n= bsp;            = ;            &n= bsp;        |- Steering functions |= -steering based on policies or L4-7 header

-          Functions |=

   &n= bsp;            = ;   |- L2-3 service functions {e.g. steering traffic to different= gateway/domains based on dynamic policies to achieve special purposed forw= arding}

         &nbs= p;         |

     &n= bsp;            = ;            &n= bsp;   |- L4 Service function: {e.g. TCP Acceleration, NAT, Firew= all,  caching, web }

   &nbs= p;            &= nbsp;           &nbs= p;    |

   &nbs= p;            &= nbsp;           &nbs= p;    |- L7 Service function {e.g. Web Proxy, content filter= ing, statistics collection, etc}

=  

Functions are performed on a node (or a virtu= al node).

 

A Service is a combination of functions being interconnected. <= /o:p>

From user perspective, it is about a sequence of serv= ice functions interconnected.

Since each servic= e function can have multiple instances, from network perspective, it is rea= lly the instances of service function being interconnected.

 

 

 

Hard Questions:

=B7         Many people whom I have talked to during IETF week have stated that = NSC is about chaining L4-7 service functions.  

=B7     &nbs= p;   But some people (and a presentation at th= e NSC BoF) mentioned that NSC also includes chaining L2-3 service functions= based on various policies, does it?

For L2-3 functions chained together based on various = policies, how is it different from I2RS?

 

=B7         Should NSC include chaining various “application̶= 1; modules?

In = general, most L7 services terminate TCP/UDP sessions. Proxy based L7  = services regenerate new data flows. And packet based L7 services let the pa= ckets pass through with some level of header changes

<= p class=3DMsoNormal style=3D'margin-left:54.0pt'> 

I think the general NSC problem statement should= start with those terminologies and state clearly of what components are in= cluded.

 

=

Thanks, Linda Dunbar<= /o:p>

 

= --_000_94C682931C08B048B7A8645303FDC9F36EE99C8F81PUEXCB1Bnante_-- From jmh@joelhalpern.com Mon Aug 5 08:32:51 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B3D9321F9EAD for ; Mon, 5 Aug 2013 08:32:51 -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=0.000, BAYES_00=-2.599, 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 gCevBFnnRvaW for ; Mon, 5 Aug 2013 08:32:47 -0700 (PDT) Received: from mailb2.tigertech.net (mailb2.tigertech.net [208.80.4.154]) by ietfa.amsl.com (Postfix) with ESMTP id 47E5821F9EA2 for ; Mon, 5 Aug 2013 08:32:42 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by mailb2.tigertech.net (Postfix) with ESMTP id 9C4A71DD442; Mon, 5 Aug 2013 08:32:40 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at b2.tigertech.net Received: from Joels-MacBook-Pro.local (pool-70-106-134-254.clppva.east.verizon.net [70.106.134.254]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mailb2.tigertech.net (Postfix) with ESMTPSA id A02971C0878; Mon, 5 Aug 2013 08:32:38 -0700 (PDT) Message-ID: <51FFC595.6070508@joelhalpern.com> Date: Mon, 05 Aug 2013 11:32:37 -0400 From: "Joel M. Halpern" User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 MIME-Version: 1.0 To: "Jim Guichard (jguichar)" References: <68B171751455884590F8E38E96416F363F5E772B@xmb-rcd-x01.cisco.com> In-Reply-To: <68B171751455884590F8E38E96416F363F5E772B@xmb-rcd-x01.cisco.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Cc: "nsc@ietf.org" , "adrian@olddog.co.uk" , "mohamed.boucadair@orange.com" , Linda Dunbar Subject: Re: [nsc] Critical step of NSC: basic terminologies and necessary components X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Aug 2013 15:32:51 -0000 I think some degree of distinction is useful. It seems to me that in order for Network service chaining to make sense, we have to have a network. So L2 and L3 conventional forwarding (the base mechanisms) are not within the services being chained. They are (part of) the supporting infrastructure. Similarly, in order to keep our discussion focused, I had thought that the services under discussion were ones that interacted with the operator. Thus, the aspects of SDN or other architectures related to placing and scaling the network control function (routing control logic, etc.) while interesting are not within what I had taken to be the scope of Network Service Chaining. Even within network service chaining it seems to me important to keep track of the difference between control protocols and their support on the one hand, and operations which interact with the subscribers data packets on the other. The tools we have and need for manipulating those two sets are very different. Yours, Joel M. Halpern On 8/5/13 9:01 AM, Jim Guichard (jguichar) wrote: > Hi Med, > > I agree and do not see the necessity to spend oodles of time defining > terminology; if specific terminology is necessary for a particular > deployment scenario then it should be defined within use case ID's. > Having said that I believe the scope of work is wider than just > enforcing policy-based forwarding through a set of service functions. We > also need to define the interface for presentation of metadata from/to > the network and service functions, and between service functions. > > From: "mohamed.boucadair@orange.com > " > > Date: Monday, August 5, 2013 2:32 AM > To: Linda Dunbar >, "nsc@ietf.org " > > > Cc: "adrian@olddog.co.uk " > > > Subject: Re: [nsc] Critical step of NSC: basic terminologies and > necessary components > > Hi Linda, > > IMO, we should not go in that path. I would suggest we avoid making any > assumption on the individual functions. For example, we should not care > about the layer on which the function acts on. The exact definition of > each function is specific to each domain: it is deployment-specific. > Instead, I suggest we scope the work to a very specific problem which > is: how to enforce policy-based forwarding in which a set of functions > are invoked in a given order. > > Cheers, > > Med > > *De :*nsc-bounces@ietf.org > [mailto:nsc-bounces@ietf.org] *De la part de* Linda Dunbar > *Envoyé :* samedi 3 août 2013 23:12 > *À :* nsc@ietf.org > *Cc :* adrian@olddog.co.uk > *Objet :* [nsc] Critical step of NSC: basic terminologies and necessary > components > > Through the discussions with people from different background at various > forums/conferences and the NSC BoF, I have heard different > interpretations of Service Chain: > > ·Some people, especially from router/switch vendor background, may think > Service chain as traffic steering based on something that is NOT the > packets Layer 2-3 header. E.g. policies or Layer 4-7 fields based > traffic steering. > > ·Some people, especially from Network Appliance background, may think of > Service Chain as “Middle Boxes” being overplayed over existing network > infrastructure. > > ·Application developers may think of “Service Chain” as connecting > various application instances together, such as “Web Server’ to “App > Server” and to “DB Server”. > > To make everyone on the same page, I think that it is important to > define some common terminologies. To make it more clear on what > “services” are chained together and what components are involved, even > though it is possible that all those services chained together could > have common architecture & solutions. > > Let’s first break all “services” into pieces: (granted that multiple > pieces can exist in one physical/virtual device and can be connected > together to form a sellable service to clients). > > There are: > > |---wires, or virtual links > > -Interconnections: |-- > > > |- steering based on L2-3 header > > |- Steering functions |-steering > based on policies or L4-7 header > > -Functions | > > |- L2-3 service functions {e.g. steering traffic to > different gateway/domains based on dynamic policies to achieve special > purposed forwarding} > > | > > |- L4 Service function: {e.g. TCP > Acceleration, NAT, Firewall, caching, web } > > | > > |- L7 Service function {e.g. Web > Proxy, content filtering, statistics collection, etc} > > Functions are performed on a node (or a virtual node). > > A Service is a combination of functions being interconnected. > > From user perspective, it is about a sequence of service functions > interconnected. > > Since each service function can have multiple instances, from network > perspective, it is really the instances of service function being > interconnected. > > *_Hard Questions:_* > > ·Many people whom I have talked to during IETF week have stated that NSC > is about chaining L4-7 service functions. > > ·But some people (and a presentation at the NSC BoF) mentioned that NSC > also includes chaining L2-3 service functions based on various policies, > does it? > > For L2-3 functions chained together based on various policies, how is it > different from I2RS? > > ·Should NSC include chaining various “application” modules? > > In general, most L7 services terminate TCP/UDP sessions. Proxy based L7 > services regenerate new data flows. And packet based L7 services let > the packets pass through with some level of header changes > > *_I think the general NSC problem statement should start with those > terminologies and state clearly of what components are included. _* > > Thanks, Linda Dunbar > > > > _______________________________________________ > nsc mailing list > nsc@ietf.org > https://www.ietf.org/mailman/listinfo/nsc > From N.Leymann@telekom.de Tue Aug 6 01:58:36 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 34CB821F9D30 for ; Tue, 6 Aug 2013 01:58:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.149 X-Spam-Level: X-Spam-Status: No, score=-3.149 tagged_above=-999 required=5 tests=[AWL=0.100, BAYES_00=-2.599, HELO_EQ_DE=0.35, 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 aOBudhCqALrN for ; Tue, 6 Aug 2013 01:58:32 -0700 (PDT) Received: from tcmail13.telekom.de (tcmail13.telekom.de [80.149.113.165]) by ietfa.amsl.com (Postfix) with ESMTP id 4165421F9C53 for ; Tue, 6 Aug 2013 01:58:30 -0700 (PDT) Received: from he113599.emea1.cds.t-internal.com ([10.125.65.118]) by tcmail11.telekom.de with ESMTP/TLS/AES128-SHA; 06 Aug 2013 10:57:35 +0200 Received: from HE111543.emea1.cds.t-internal.com ([10.125.90.96]) by HE113599.emea1.cds.t-internal.com ([2002:7cd:4176::7cd:4176]) with mapi; Tue, 6 Aug 2013 10:57:35 +0200 From: To: , Date: Tue, 6 Aug 2013 10:57:34 +0200 Thread-Topic: [nsc] Critical step of NSC: basic terminologies and necessary components Thread-Index: Ac6R8Q7lpJyLr80tQNqvoL0Dj++PWQAj7JZg Message-ID: <9762ACF04FA26B4388476841256BDE02011AE06407A9@HE111543.emea1.cds.t-internal.com> References: <68B171751455884590F8E38E96416F363F5E772B@xmb-rcd-x01.cisco.com> <51FFC595.6070508@joelhalpern.com> In-Reply-To: <51FFC595.6070508@joelhalpern.com> Accept-Language: de-DE Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: de-DE Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: nsc@ietf.org, adrian@olddog.co.uk, mohamed.boucadair@orange.com, linda.dunbar@huawei.com Subject: Re: [nsc] Critical step of NSC: basic terminologies and necessary components X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Aug 2013 08:58:36 -0000 Hi, That is also my view. The underlying network provides basic connectivity an= d forwarding based on Layer 2 and Layer 3 information. This connectivity is= being used in order to connect the service bringing nodes to one (or more)= service chains. An SDN based approach can be seen as one solution for service chaining; pac= ket goes to the controller/application, controller builds a path ("flow") b= ased on packet analyses/classification through the network to connect servi= ce bringing nodes. But from my understanding this is not the major scope of= the discussions we had until now. It makes sense to have at least a clear understanding from what is in and o= ut of scope and I think that definitions may help. Regards Nic -----Urspr=FCngliche Nachricht----- Von: nsc-bounces@ietf.org [mailto:nsc-bounces@ietf.org] Im Auftrag von Joel= M. Halpern Gesendet: Montag, 5. August 2013 17:33 An: Jim Guichard (jguichar) Cc: nsc@ietf.org; adrian@olddog.co.uk; mohamed.boucadair@orange.com; Linda = Dunbar Betreff: Re: [nsc] Critical step of NSC: basic terminologies and necessary = components I think some degree of distinction is useful. It seems to me that in order for Network service chaining to make sense, we have to have a network. So L2 and L3 conventional forwarding (the base mechanisms) are not within the services being chained. They are (part of) the supporting infrastructure. Similarly, in order to keep our discussion focused, I had thought that the services under discussion were ones that interacted with the operator. Thus, the aspects of SDN or other architectures related to placing and scaling the network control function (routing control logic, etc.) while interesting are not within what I had taken to be the scope of Network Service Chaining. Even within network service chaining it seems to me important to keep track of the difference between control protocols and their support on the one hand, and operations which interact with the subscribers data packets on the other. The tools we have and need for manipulating those two sets are very different. Yours, Joel M. Halpern On 8/5/13 9:01 AM, Jim Guichard (jguichar) wrote: > Hi Med, > > I agree and do not see the necessity to spend oodles of time defining > terminology; if specific terminology is necessary for a particular > deployment scenario then it should be defined within use case ID's. > Having said that I believe the scope of work is wider than just > enforcing policy-based forwarding through a set of service functions. We > also need to define the interface for presentation of metadata from/to > the network and service functions, and between service functions. > > From: "mohamed.boucadair@orange.com > " > > Date: Monday, August 5, 2013 2:32 AM > To: Linda Dunbar >, "nsc@ietf.org " > > > Cc: "adrian@olddog.co.uk " > > > Subject: Re: [nsc] Critical step of NSC: basic terminologies and > necessary components > > Hi Linda, > > IMO, we should not go in that path. I would suggest we avoid making any > assumption on the individual functions. For example, we should not care > about the layer on which the function acts on. The exact definition of > each function is specific to each domain: it is deployment-specific. > Instead, I suggest we scope the work to a very specific problem which > is: how to enforce policy-based forwarding in which a set of functions > are invoked in a given order. > > Cheers, > > Med > > *De :*nsc-bounces@ietf.org > [mailto:nsc-bounces@ietf.org] *De la part de* Linda Dunbar > *Envoy=E9 :* samedi 3 ao=FBt 2013 23:12 > *=C0 :* nsc@ietf.org > *Cc :* adrian@olddog.co.uk > *Objet :* [nsc] Critical step of NSC: basic terminologies and necessary > components > > Through the discussions with people from different background at various > forums/conferences and the NSC BoF, I have heard different > interpretations of Service Chain: > > =B7Some people, especially from router/switch vendor background, may thin= k > Service chain as traffic steering based on something that is NOT the > packets Layer 2-3 header. E.g. policies or Layer 4-7 fields based > traffic steering. > > =B7Some people, especially from Network Appliance background, may think o= f > Service Chain as "Middle Boxes" being overplayed over existing network > infrastructure. > > =B7Application developers may think of "Service Chain" as connecting > various application instances together, such as "Web Server' to "App > Server" and to "DB Server". > > To make everyone on the same page, I think that it is important to > define some common terminologies. To make it more clear on what > "services" are chained together and what components are involved, even > though it is possible that all those services chained together could > have common architecture & solutions. > > Let's first break all "services" into pieces: (granted that multiple > pieces can exist in one physical/virtual device and can be connected > together to form a sellable service to clients). > > There are: > > |---wires, or virtual li= nks > > -Interconnections: |-- > > > |- steering based on L2-3 header > > |- Steering functions |-steering > based on policies or L4-7 header > > -Functions | > > |- L2-3 service functions {e.g. steering traffic to > different gateway/domains based on dynamic policies to achieve special > purposed forwarding} > > | > > |- L4 Service function: {e.g. TCP > Acceleration, NAT, Firewall, caching, web } > > | > > |- L7 Service function {e.g. Web > Proxy, content filtering, statistics collection, etc} > > Functions are performed on a node (or a virtual node). > > A Service is a combination of functions being interconnected. > > From user perspective, it is about a sequence of service functions > interconnected. > > Since each service function can have multiple instances, from network > perspective, it is really the instances of service function being > interconnected. > > *_Hard Questions:_* > > =B7Many people whom I have talked to during IETF week have stated that NS= C > is about chaining L4-7 service functions. > > =B7But some people (and a presentation at the NSC BoF) mentioned that NSC > also includes chaining L2-3 service functions based on various policies, > does it? > > For L2-3 functions chained together based on various policies, how is it > different from I2RS? > > =B7Should NSC include chaining various "application" modules? > > In general, most L7 services terminate TCP/UDP sessions. Proxy based L7 > services regenerate new data flows. And packet based L7 services let > the packets pass through with some level of header changes > > *_I think the general NSC problem statement should start with those > terminologies and state clearly of what components are included. _* > > Thanks, Linda Dunbar > > > > _______________________________________________ > nsc mailing list > nsc@ietf.org > https://www.ietf.org/mailman/listinfo/nsc > _______________________________________________ nsc mailing list nsc@ietf.org https://www.ietf.org/mailman/listinfo/nsc From liushucheng@huawei.com Thu Aug 8 23:56:15 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E867811E815F for ; Thu, 8 Aug 2013 23:56:15 -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=[AWL=-0.000, 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 A4+Ww+v43f+1 for ; Thu, 8 Aug 2013 23:56:11 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) by ietfa.amsl.com (Postfix) with ESMTP id EDB1311E80AD for ; Thu, 8 Aug 2013 23:56:06 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml204-edg.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.5-GA FastPath queued) with ESMTP id AUF58560; Fri, 09 Aug 2013 06:55:52 +0000 (GMT) Received: from LHREML403-HUB.china.huawei.com (10.201.5.217) by lhreml204-edg.china.huawei.com (172.18.7.223) with Microsoft SMTP Server (TLS) id 14.1.323.7; Fri, 9 Aug 2013 07:55:37 +0100 Received: from SZXEML452-HUB.china.huawei.com (10.82.67.195) by lhreml403-hub.china.huawei.com (10.201.5.217) with Microsoft SMTP Server (TLS) id 14.1.323.7; Fri, 9 Aug 2013 07:55:51 +0100 Received: from SZXEML546-MBX.china.huawei.com ([169.254.3.24]) by szxeml452-hub.china.huawei.com ([10.82.67.195]) with mapi id 14.01.0323.007; Fri, 9 Aug 2013 14:55:47 +0800 From: "Will Liu (Shucheng)" To: "nsc@ietf.org" Thread-Topic: IEEE CCNC, 2014: Special session on Network Function Virtualization Thread-Index: Ac6Uyzj5dqSi1VclRh2FTaphs/1aFgAAUtKA Date: Fri, 9 Aug 2013 06:55:45 +0000 Message-ID: Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.66.78.79] Content-Type: multipart/alternative; boundary="_000_C9B5F12337F6F841B35C404CF0554ACB54C9F1BEszxeml546mbxchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Subject: [nsc] CFP: IEEE CCNC, 2014: Special session on Network Function Virtualization X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Aug 2013 06:56:16 -0000 --_000_C9B5F12337F6F841B35C404CF0554ACB54C9F1BEszxeml546mbxchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =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=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D IEEE Consumer Communications and Networking Conference (CCNC), 2014 CFP for Special session on Network Function Virtualization =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=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Special Session URL: [TBA] Network Function Virtualization (NFV) has gained considerable attention bot= h in academia and industry. This special session calls for recent research,= practical experiences, and development lessons in deploying NFV in current= and emerging networking environments. The research can be in NFV range from virtualization of both residential an= d service provider wireless gateways/access nodes to centralized control fo= r optical fibers channels and MPLS. There are limitless network functions t= hat can be virtualized and there are various factors that can impact NFV su= ch as algorithm for QoS and Security, innovation for new programmable ASIC = or advanced FPGA. Practical experience on deploying NFV for novel applicati= ons are particularly welcome especially integrating virtualized network dev= ices into the existing network. The contributions requested include but are not limited to: *. Cloud or Virtual Residential Gateway *. Virtualization of Access Network Function *. Programmable Access Technology *. Centralized or unified control & management of FTTx *. Wholesale of virtual access network *. Quality of service in access network virtualization *. Service provisioning or generation in virtual access network *. Coexistent of virtualized and non-virtualized access network functio= n *. Impacts on user experiences We encourage submissions of high-quality technical papers reporting origina= l research that has not been previously published, and is not currently sub= mitted for consideration elsewhere. The special session papers will be trea= ted the same as the main technical track papers in terms of formatting, rev= iewing, quality control, inclusion into proceedings, author registration an= d attendance. Special Session Chair Chern Nam YAP, Temasek Polytechnic, Singapore Shucheng LIU, Huawei Technologies, China Program Committee: [TBA] Important dates: Submission Due: August 30, 2013 Notification of Acceptance: October 4, 2013 Camera-Ready Due: November 1, 2013 Paper Format and Submission: Format: http://ccnc2014.ieee-ccnc.org/authors Submission URL: [TBA] Regards, Will --_000_C9B5F12337F6F841B35C404CF0554ACB54C9F1BEszxeml546mbxchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

=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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D

IEEE Consumer Communications= and Networking Conference (CCNC), 2014

 

CFP for Special session on N= etwork Function Virtualization

=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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D

 

Special Session URL:

[TBA]

 

Network Function Virtualization= (NFV) has gained considerable attention both in academia and industry. Thi= s special session calls for recent research, practical experiences, and dev= elopment lessons in deploying NFV in current and emerging networking environments.

 

The research can be in NFV rang= e from virtualization of both residential and service provider wireless gat= eways/access nodes to centralized control for optical fibers channels and M= PLS. There are limitless network functions that can be virtualized and there are various factors that can impact NFV = such as algorithm for QoS and Security, innovation for new programmable ASI= C or advanced FPGA. Practical experience on deploying NFV for novel applica= tions are particularly welcome especially integrating virtualized network devices into the existing network.

 

 

The contributions requested inc= lude but are not limited to:

 

*.     Clou= d or Virtual Residential Gateway

*.     Virt= ualization of Access Network Function

*.     Prog= rammable Access Technology

*.     Cent= ralized or unified control & management of FTTx

*.     Whol= esale of virtual access network

*.     Qual= ity of service in access network virtualization

*.     Serv= ice provisioning or generation in virtual access network<= /p>

*.     Coex= istent of virtualized and non-virtualized access network function

*.     Impa= cts on user experiences

 

 

We encourage submissions of hig= h-quality technical papers reporting original research that has not been pr= eviously published, and is not currently submitted for consideration elsewh= ere. The special session papers will be treated the same as the main technical track papers in terms of formatt= ing, reviewing, quality control, inclusion into proceedings, author registr= ation and attendance.

 

Special Session Chair

Chern Nam YAP, Temasek Polytech= nic, Singapore

Shucheng LIU, Huawei Technologi= es, China

 

Program Committee: <= /span>

[TBA]

 

 

Important dates:

Submission Due: August 30, 2013=

Notification of Acceptance: Oct= ober 4, 2013

Camera-Ready Due: November 1, 2= 013

 

 

Paper Format and Submission:

Format: http://ccnc2014.ieee-cc= nc.org/authors

Submission URL: [TBA]

 

Regards,

Will

 

--_000_C9B5F12337F6F841B35C404CF0554ACB54C9F1BEszxeml546mbxchi_-- From adrian@olddog.co.uk Tue Aug 13 04:21:24 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 292DA11E8119 for ; Tue, 13 Aug 2013 04:21:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.134 X-Spam-Level: X-Spam-Status: No, score=-2.134 tagged_above=-999 required=5 tests=[AWL=0.465, 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 GMypVHaciSYp for ; Tue, 13 Aug 2013 04:21:16 -0700 (PDT) Received: from asmtp2.iomartmail.com (asmtp2.iomartmail.com [62.128.201.249]) by ietfa.amsl.com (Postfix) with ESMTP id 3312311E8138 for ; Tue, 13 Aug 2013 04:21:13 -0700 (PDT) Received: from asmtp2.iomartmail.com (localhost.localdomain [127.0.0.1]) by asmtp2.iomartmail.com (8.13.8/8.13.8) with ESMTP id r7DBL8rn003889; Tue, 13 Aug 2013 12:21:08 +0100 Received: from 950129200 (ixe-nat1.juniper.net [193.110.54.36]) (authenticated bits=0) by asmtp2.iomartmail.com (8.13.8/8.13.8) with ESMTP id r7DBL5i9003725 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Tue, 13 Aug 2013 12:21:06 +0100 From: "Adrian Farrel" To: Date: Tue, 13 Aug 2013 12:20:57 +0100 Message-ID: <03bd01ce9817$346a3b10$9d3eb130$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: Ac6YFyk/aYEs8EPbQVuX5dlVLbZ5nA== Content-Language: en-gb Cc: jguichar@cisco.com, stbryant@cisco.com, Thomas Narten Subject: [nsc] NSC BoF Outcomes X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: adrian@olddog.co.uk List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Aug 2013 11:21:24 -0000 Hi NSC list, Sorry for the delay in this email - I took a short break after Berlin. Thanks for the focus and effort that went into the NSC BoF in Berlin. Thanks in particular to Thomas and Jim for their work herding the ducks and delivering the BoF that the IESG asked for. Special mention for Jim in being so cool turning up to chair the BoF after a complete travel nightmare. I believe that the BoF delivered what the IESG had hoped to see. That is, it allowed a number of network operators from a broad spectrum of network types to describe the problem space that they are interested in. It was clear to me that there is strong interest among network operators in investigating the concept of service chaining, and among equipment vendors and solution providers in addressing the requirements. This is very promising for the potential of forming critical mass around working in this area. However, it was less clear to me that there is agreement about the layer in which service chaining has to be solved. I felt that some people were talking about service chaining in the application layer, some about service chaining based on flows, and some about per-packet services. The solutions are, I think, likely to be very different for the different problems, and it would be wrong to try to bunch them all together. Since it is clear that a lot of people want to work on this, the next step must be to get a little more focus. This could be a small amount of work, and we may find that consensus comes quickly and easily. But it may also mean that some of the use cases need to be discarded - that doesn't mean that they are not valid, only that they don't fit into the focused effort that may become a working group. I suggest that the next steps (in no particular order) are as follows: - Everyone should revise their drafts. Add clarity and focus. Merge with other drafts if appropriate. - Look for missing work. Is there a need for a simple and clear over-arching document? Terminology? Figures? Work cooperatively to fill the gaps. - Use the mailing list to narrow down and reach agreement on what you want to work on. - Start a thread on a potential WG charter. Maybe a couple of you (the BoF chairs?) could agree to hold the pen and make a first draft? Try to get the text lean and tight. Try to get consensus. - Start to plan for a WG-forming BoF. Look carefully at the dates for the next IETF (IETF-88, Vancouver) and decide whether the deadline is too tight. Recall that going off half-cocked does no-one any favors. See whether you can get everything ready in time. - Apply to the IAB for a BoF shepherd. This is an IAB member who will give you dedicated time and advice to help focus the technical effort and prepare for a successful WG-forming BoF. We do not, at this stage, need to worry about where within the IETF structure this work will sit. Let's continue to pursue the effort within the Routing Area, and defer discussion about where it will live until we have a better handle on the description of the problem. Don't forget that you can review the BoF via the Meetecho archive, the usual audio archive, and the online materials. Please come back to me with any questions. Thanks, Adrian From diego@tid.es Tue Aug 13 08:35:18 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2D99511E818D for ; Tue, 13 Aug 2013 08:35:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.998 X-Spam-Level: X-Spam-Status: No, score=-3.998 tagged_above=-999 required=5 tests=[BAYES_50=0.001, 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 sRksOtAaMFHy for ; Tue, 13 Aug 2013 08:35:14 -0700 (PDT) Received: from tidos.tid.es (tidos.tid.es [195.235.93.44]) by ietfa.amsl.com (Postfix) with ESMTP id 7C4F611E8189 for ; Tue, 13 Aug 2013 08:35:03 -0700 (PDT) Received: from sbrightmailg01.hi.inet (sbrightmailg01.hi.inet [10.95.64.104]) by tid.hi.inet (iPlanet Messaging Server 5.2 HotFix 2.14 (built Aug 8 2006)) with ESMTP id <0MRH005SQ7A3XO@tid.hi.inet> for nsc@ietf.org; Tue, 13 Aug 2013 17:35:01 +0200 (MEST) Received: from tid (tid.hi.inet [10.95.64.10]) by sbrightmailg01.hi.inet (Symantec Messaging Gateway) with SMTP id 19.DE.24502.4225A025; Tue, 13 Aug 2013 17:35:01 +0200 (CEST) Received: from correo.tid.es (mailhost.hi.inet [10.95.64.100]) by tid.hi.inet (iPlanet Messaging Server 5.2 HotFix 2.14 (built Aug 8 2006)) with ESMTP id <0MRH003QZ7ACT6@tid.hi.inet> for nsc@ietf.org; Tue, 13 Aug 2013 17:35:00 +0200 (MEST) Received: from EX10-MB2-MAD.hi.inet ([169.254.2.165]) by EX10-HTCAS8-MAD.hi.inet ([fe80::41c8:e965:8a6:de67%11]) with mapi id 14.03.0123.003; Tue, 13 Aug 2013 17:35:00 +0200 Date: Tue, 13 Aug 2013 15:34:59 +0000 From: "Diego R. Lopez" X-Originating-IP: [10.95.64.115] To: "nsc@ietf.org" Message-id: MIME-version: 1.0 Content-type: multipart/mixed; boundary="Boundary_(ID_pqnaQpsWb49+otJHbpc0mQ)" Content-language: en-US Accept-Language: en-US, es-ES Thread-topic: HotMiddlebox workshop co-located with ACM CoNext 2013 Thread-index: AQHOjwjyh2ntU8EAPU2qYxDq5O4KeQ== X-AuditID: 0a5f4068-b7fab8e000005fb6-03-520a5224f654 X-MS-Has-Attach: yes X-MS-TNEF-Correlator: X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrPIsWRmVeSWpSXmKPExsXCFe/ApasaxBVkcHQlq8XxffvZHBg9liz5 yRTAGMVlk5Kak1mWWqRvl8CV8enuf8aCzQc4Khr6OtkbGCdP5ehi5OSQEDCR+LvpMQuELSZx 4d56ti5GLg4hgY2MEvMfbmaCcL4xSpxcvokVLnP/+hZWkBYWAVWJE7NWgLWzAdmPmn+zg9jC As4S+x79ZoYYqyDx5xzICg4OEQFFiZ1vUkDCvAKWEhf//GeEsAUlfky+BzaGWSBU4tTfo0wQ trhEc+tNsDijgKzEu/nzwdaKAI1/fewElK0ncebgQzaIVSISDy+ehrJFJV4+/scKslZIQENi 5iTRCYwis5Bsm4Vk2ywk2yDsWIlVbTfZIWw9iRtTp7BB2NoSyxa+ZoawdSVm/DsEVW8msaf3 AQuqGg4g205iS3seTPmZJTOAxnAB2dsYJR53X2aC6Z37fhaUrSgxpfsh+wJGvlWMYsVJRZnp GSW5iZk56QaGehmZepl5qSWbGCERn7GDcflOlUOMAhyMSjy8FnZcQUKsiWXFlbmHGFWABj3a sPoCoxRLXn5eqpII71cboDRvSmJlVWpRfnxRaU5q8SFGJg5OqQZG1/X9sZdMu9iWCDrJdpzh FC17Wn6F85/K9/xqmasz/NseGy4MmN9Qen9/wv3LM7f4lsYXfdU/fjid981bGdPZVrzqkQdn v9C1dWvtiu5R5/rUXb9PRoknd43Jn4jI6WpB8QEOmg6m33gyBJdcSDU8r1kgvDfq23LHkm28 J0O/3PB/uHU6/3slluKMREMt5qLiRACCtMbI4gIAAA== References: <51F9AB58.2070909@gmail.com> Subject: [nsc] Fwd: HotMiddlebox workshop co-located with ACM CoNext 2013 X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Aug 2013 15:35:18 -0000 --Boundary_(ID_pqnaQpsWb49+otJHbpc0mQ) Content-type: multipart/alternative; boundary="Boundary_(ID_9dAtzvQOoTPChrp9KbKUew)" --Boundary_(ID_9dAtzvQOoTPChrp9KbKUew) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: quoted-printable Hi, Though you probably know about it, I think this can be of interest to those= around the NSC idea... Begin forwarded message: From: Vyas Sekar > Subject: HotMiddlebox workshop co-located with ACM CoNext 2013 Date: 1 August 2013 02:27:04.000 GMT+02:00 To: undisclosed-recipients:; Cc: Felipe Huici > Dear colleague, We would really appreciate your help to spread the word about the HotMiddle= box workshop co-located with ACM CoNext 2013 at your institutions and amon= g colleagues you know working in the space of middleboxes and network funct= ion virtualization for whom this would be a good fit to submit early stage = research. Below is a small blurb with the key information and we have also attached t= he full CFP as a PDF. Thanks for your help! Felipe Huici (NEC Europe) and Vyas Sekar (StonyBrook University) ---------------------------------------------------------------------------= ----------------------------- Workshop URL: http://conferences.sigcomm.org/co-next/2013/workshops/HotMidd= lebox/index.html Workshop Deadline: Aug 30, 2013, 5 pm ET Submission format: 6 pages (including refs), ACM two-column conference 10 p= t Workshop submission site: http://hotmbox.wings.cs.sunysb.edu/2013/index.php Text CFP: Modern networks increasingly rely on advanced network processing functions = for a wide spectrum of crucial functions ranging from security (firewalls, = IDSes, traffic scrubbers), traffic shaping (rate limiters, load balancers),= dealing with address space exhaustion (NATs) or improving the performance = of network applications (traffic accelerators, caches, proxies), to name a = few. Such "network appliances" or "middleboxes" are a critical piece of the= network infrastructure and represent, to a first-order approximation, the = de-facto approach for network evolution in response to changing performance= , security, and policy compliance requirements. However, most of this functionality is implemented in costly, hard-to-modif= y dedicated hardware, making the network difficult to evolve or adapt to ch= anging traffic requirements. Recent work seeks to address this issue by shi= fting network processing from a world of dedicated hardware to one built on= software-based processing running on (sometimes virtualized and shared) pl= atforms built on commodity hardware servers, switches, and storage. This vi= sion of "software-based" network services enables new in-network functions = to be rapidly instantiated, on-demand, and at places in the network where i= t is most needed, without having to modify the underlying hardware. The sco= pe of this workshop focuses both on the design of the data plane to support= advanced services as well as the control plane functions necessary to mana= ge these advanced data plane functions. In some sense, this vision is compl= ementary to ongoing efforts in the SDN community, where the focus has large= ly been on the control plane and assuming a commodity data plane. The HotMiddlebox workshop will serve as an avenue to showcase and discuss o= ngoing work from both academic and industry efforts in this space and to id= entify key challenges and potential solutions, with the ultimate goal of pr= oviding a roadmap for practical deployment in operational networks. We encourage the submission of work-in-progress papers in the area of middl= ebox design, implementation, measurement, management, and deployment. We lo= ok for submissions of previously unpublished work on topics including, but = not limited to, the following: * Performance optimizations of network stacks on virtualized systems * Verification of unknown code running on shared middlebox platforms * Extensible software stacks for rapid implementation of new middlebox = functions * Mechanisms for migration of stateful middleboxes * Resource allocation mechanisms for shared/virtualized middlebox platf= orms * Integrating new software middleboxes into legacy networks * Backend storage/memory architectures for middleboxes * Management abstractions and policy language frameworks for middleboxe= s * Experiences in deploying software-based middleboxes in operational ne= tworks * Connections to Software-Defined Networking * Deployment and use of middleboxes in the cloud * Measurements of middleboxes in enterprise, ISP, and data center netwo= rks. * Novel security, performance, and monitoring applications atop middleb= oxes * Challenges for policy verification in the context of middlebox servic= es. PDF CFP: Attached -- "Esta vez no fallaremos, Doctor Infierno" Dr Diego R. Lopez Telefonica I+D http://people.tid.es/diego.lopez/ e-mail: diego@tid.es Tel: +34 913 129 041 Mobile: +34 682 051 091 ----------------------------------------- ________________________________ Este mensaje se dirige exclusivamente a su destinatario. Puede consultar nu= estra pol=EDtica de env=EDo y recepci=F3n de correo electr=F3nico en el enl= ace situado m=E1s abajo. This message is intended exclusively for its addressee. We only send and re= ceive email on the basis of the terms set out at: http://www.tid.es/ES/PAGINAS/disclaimer.aspx --Boundary_(ID_9dAtzvQOoTPChrp9KbKUew) Content-id: <1AD1D4096A4784448AEE8714D495CC65@hi.inet> Content-type: text/html; charset=iso-8859-1 Content-transfer-encoding: quoted-printable
Hi,

Though you probably know about it, I think this can be of interest to = those around the NSC idea...

Begin forwarded message:

From: Vyas Sekar <= ;vyas.sekar@gmail.com>
Subject: <= /span>HotMiddl= ebox workshop co-located with ACM CoNext 2013
Date: 1 August 2013 = 02:27:04.000 GMT+02:00
To: undisclosed-reci= pients:;
Cc: Felipe Huici <= ;Felipe.Huici@neclab.eu>

Dear colleague,

We would really appreciate your help to spread the word about the HotMiddle= box workshop co-located with ACM CoNext 2013 at your institutions and = among colleagues you know working in the space of middleboxes and network = function virtualization for whom this would be a good fit to submit early stage research.

Below is a small blurb with the key information and we have also attached t= he full CFP as a PDF.

Thanks for your help!

Felipe Huici (NEC Europe) and Vyas Sekar (StonyBrook University)

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

Workshop URL: http://hotmbox.wings.cs.sunysb.edu/2013/index.php

Text CFP:

Modern networks increasingly rely on advanced network processing functions = for a wide spectrum of crucial functions ranging from security (firewalls, = IDSes, traffic scrubbers), traffic shaping (rate limiters, load balancers),= dealing with address space exhaustion (NATs) or improving the performance of network applications (traffic accel= erators, caches, proxies), to name a few. Such "network appliances&quo= t; or "middleboxes" are a critical piece of the network infrastru= cture and represent, to a first-order approximation, the de-facto approach for network evolution in response to changing perfor= mance, security, and policy compliance requirements.
However, most of this functionality is implemented in costly, hard-to-modif= y dedicated hardware, making the network difficult to evolve or adapt to ch= anging traffic requirements. Recent work seeks to address this issue by shi= fting network processing from a world of dedicated hardware to one built on software-based processing runn= ing on (sometimes virtualized and shared) platforms built on commodity hard= ware servers, switches, and storage. This vision of "software-based&qu= ot; network services enables new in-network functions to be rapidly instantiated, on-demand, and at places in the netw= ork where it is most needed, without having to modify the underlying hardwa= re. The scope of this workshop focuses both on the design of the data plane= to support advanced services as well as the control plane functions necessary to manage these advanced dat= a plane functions. In some sense, this vision is complementary to ongoing e= fforts in the SDN community, where the focus has largely been on the contro= l plane and assuming a commodity data plane.

The HotMiddlebox workshop will serve as an avenue to showcase and discuss o= ngoing work from both academic and industry efforts in this space and to id= entify key challenges and potential solutions, with the ultimate goal of pr= oviding a roadmap for practical deployment in operational networks.
We encourage the submission of work-in-progress papers in the area of middl= ebox design, implementation, measurement, management, and deployment. We lo= ok for submissions of previously unpublished work on topics including, but = not limited to, the following:
  • Performance optimiza= tions of network stacks on virtualized systems
  • Verification of= unknown code running on shared middlebox platforms
  • Extensible soft= ware stacks for rapid implementation of new middlebox functions
  • Mechanisms for = migration of stateful middleboxes
  • Resource alloca= tion mechanisms for shared/virtualized middlebox platforms
  • Integrating new= software middleboxes into legacy networks
  • Backend storage= /memory architectures for middleboxes
  • Management abst= ractions and policy language frameworks for middleboxes
  • Experiences in = deploying software-based middleboxes in operational networks
  • Connections to = Software-Defined Networking
  • Deployment and = use of middleboxes in the cloud
  • Measurements of= middleboxes in enterprise, ISP, and data center networks.
  • Novel security,= performance, and monitoring applications atop middleboxes
  • Challenges for = policy verification in the context of middlebox services.
PDF CFP:  Attached






--
"Esta vez no fallaremos, Doctor Infierno"

Dr Diego R. Lopez
Telefonica I+D
http://people.tid.es/diego.lopez/

e-mail: diego@tid.es
Tel:    +34 913 129 041
Mobile: +34 682 051 091
-----------------------------------------



Este mensaje se dirige exclusivamente a su destinatario. Puede consultar nu= estra pol=EDtica de env=EDo y recepci=F3n de correo electr=F3nico en el enl= ace situado m=E1s abajo.
This message is intended exclusively for its addressee. We only send and re= ceive email on the basis of the terms set out at:
http://www.tid.es/ES/PAGINAS/disclaimer.aspx
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localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4306E11E825A for ; Thu, 15 Aug 2013 23:46:22 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.218 X-Spam-Level: X-Spam-Status: No, score=-2.218 tagged_above=-999 required=5 tests=[AWL=0.030, BAYES_00=-2.599, HELO_EQ_FR=0.35, 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 AV30NLhiHrDZ for ; Thu, 15 Aug 2013 23:46:18 -0700 (PDT) Received: from relais-inet.francetelecom.com (relais-ias91.francetelecom.com [193.251.215.91]) by ietfa.amsl.com (Postfix) with ESMTP id E774211E8253 for ; Thu, 15 Aug 2013 23:46:17 -0700 (PDT) Received: from omfedm07.si.francetelecom.fr (unknown [xx.xx.xx.3]) by omfedm13.si.francetelecom.fr (ESMTP service) with ESMTP id 4C2C1325817 for ; Fri, 16 Aug 2013 08:46:16 +0200 (CEST) Received: from PUEXCH81.nanterre.francetelecom.fr (unknown [10.101.44.34]) by omfedm07.si.francetelecom.fr (ESMTP service) with ESMTP id 3589D4C0D4 for ; Fri, 16 Aug 2013 08:46:16 +0200 (CEST) Received: from PUEXCB1B.nanterre.francetelecom.fr ([10.101.44.12]) by PUEXCH81.nanterre.francetelecom.fr ([10.101.44.34]) with mapi; Fri, 16 Aug 2013 08:46:16 +0200 From: To: "nsc@ietf.org" Date: Fri, 16 Aug 2013 08:41:37 +0200 Thread-Topic: I-D Action: draft-boucadair-chaining-requirements-00.txt Thread-Index: Ac6aS43VR7Q54+lJRImeb4VArlc/dgAABn5j Message-ID: <94C682931C08B048B7A8645303FDC9F36EEDF0BA1C@PUEXCB1B.nanterre.francetelecom.fr> References: <20130816064018.24083.87559.idtracker@ietfa.amsl.com> In-Reply-To: <20130816064018.24083.87559.idtracker@ietfa.amsl.com> Accept-Language: fr-FR Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: fr-FR Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2013.8.15.155415 Subject: [nsc] TR : I-D Action: draft-boucadair-chaining-requirements-00.txt X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Aug 2013 06:46:22 -0000 Dear all, We submitted this new requirements draft. Comments and contributions are more than welcome. Cheers, Med ________________________________________ De : i-d-announce-bounces@ietf.org [i-d-announce-bounces@ietf.org] de la pa= rt de internet-drafts@ietf.org [internet-drafts@ietf.org] Date d'envoi : vendredi 16 ao=FBt 2013 08:40 =C0 : i-d-announce@ietf.org Objet : I-D Action: draft-boucadair-chaining-requirements-00.txt A New Internet-Draft is available from the on-line Internet-Drafts director= ies. Title : Requirements for Network Function Chaining Author(s) : Mohamed Boucadair Christian Jacquenet Ron Parker Filename : draft-boucadair-chaining-requirements-00.txt Pages : 8 Date : 2013-08-15 Abstract: This document identifies the requirements for the Network Function Chaining. This effort is a companion document to the Network Chaining Framework defined in [I-D.boucadair-network-function-chaining]. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-boucadair-chaining-requirements There's also a htmlized version available at: http://tools.ietf.org/html/draft-boucadair-chaining-requirements-00 Please note that it may take a couple of minutes from the time of submissio= n until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ _______________________________________________ I-D-Announce mailing list I-D-Announce@ietf.org https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft directories: http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt From liushucheng@huawei.com Fri Aug 16 01:19:11 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0375411E825B for ; Fri, 16 Aug 2013 01:19:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.298 X-Spam-Level: X-Spam-Status: No, score=-6.298 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, MIME_8BIT_HEADER=0.3, 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 6+oWQeuJw-4q for ; Fri, 16 Aug 2013 01:19:04 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) by ietfa.amsl.com (Postfix) with ESMTP id 1D7D811E812E for ; Fri, 16 Aug 2013 01:19:02 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml203-edg.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.5-GA FastPath queued) with ESMTP id AUK92519; Fri, 16 Aug 2013 08:19:01 +0000 (GMT) Received: from LHREML405-HUB.china.huawei.com (10.201.5.242) by lhreml203-edg.huawei.com (172.18.7.221) with Microsoft SMTP Server (TLS) id 14.1.323.7; Fri, 16 Aug 2013 09:18:22 +0100 Received: from SZXEML412-HUB.china.huawei.com (10.82.67.91) by lhreml405-hub.china.huawei.com (10.201.5.242) with Microsoft SMTP Server (TLS) id 14.1.323.7; Fri, 16 Aug 2013 09:18:58 +0100 Received: from SZXEML546-MBX.china.huawei.com ([169.254.3.175]) by szxeml412-hub.china.huawei.com ([10.82.67.91]) with mapi id 14.01.0323.007; Fri, 16 Aug 2013 16:18:48 +0800 From: "Will Liu (Shucheng)" To: =?utf-8?B?6IOh5o23?= , "nsc@ietf.org" Thread-Topic: [nsc] FW: New Version Notification for draft-liu-service-chaining-use-cases-01.txt Thread-Index: Ac6aKPmLXrk/nwRfTbaLXD1+CPQjBgAKJ+fg Date: Fri, 16 Aug 2013 08:18:47 +0000 Message-ID: References: <005201ce9a28$f9bdd4e0$ed397ea0$@ctbri.com.cn> In-Reply-To: <005201ce9a28$f9bdd4e0$ed397ea0$@ctbri.com.cn> Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.66.78.79] Content-Type: multipart/alternative; boundary="_000_C9B5F12337F6F841B35C404CF0554ACB54CC5D4Eszxeml546mbxchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Cc: "draft-liu-service-chaining-use-cases@tools.ietf.org" Subject: Re: [nsc] FW: New Version Notification for draft-liu-service-chaining-use-cases-01.txt X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, 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 L5aum9Tuwr-Y for ; Sun, 18 Aug 2013 21:16:52 -0700 (PDT) Received: from mail-we0-x22f.google.com (mail-we0-x22f.google.com [IPv6:2a00:1450:400c:c03::22f]) by ietfa.amsl.com (Postfix) with ESMTP id 2930321F9F74 for ; Sun, 18 Aug 2013 21:16:51 -0700 (PDT) Received: by mail-we0-f175.google.com with SMTP id q58so3317917wes.20 for ; Sun, 18 Aug 2013 21:16:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=FOhlezvy9IFdzbNyVxKzEqClm7Yr3AvB11tExcZELHE=; b=hEGG2pA/I+WLz6Ji4dWsT6Mtt/+jg9/A0SjhSGchcCLbPJbGeipwD4dyDPHkwFpQqs dMzoKxCAwc5+BDCOgOcWFahWJ0fCJheOhtXbnTA4C7Jx6Ck4Ctry+Z+dBSu8fRgv4vdn 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List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Aug 2013 04:16:53 -0000 Hello Hujie and Will , two more cents regarding the discussion. For 1), there are many good examples of service nodes (In additional to Will's list, there are LB/VPN/ALG), but where they are virtualized or overlay-ed are orthogonal to the use cases the draft would like to describe. For 2), using vswitch to deploy service chain is one vivid example Best regards, -czh/cmcc On Fri, Aug 16, 2013 at 4:18 PM, Will Liu (Shucheng) wrote: > Hi Hu Jie, > > > > Thanks for your comments. The points you=E2=80=99ve listed are non-trivia= l. Let me > try to answer them: > > 1) IMHO, the service nodes include those functions that operators ar= e > able and willing to connected to form services by service chains, such as > NAT, DPI, Fire Wall, etc. We=E2=80=99ve mentioned some in our use case dr= aft. If > it=E2=80=99s necessary, I will invite our co-authors to add one use case = to > elaborate the use cases for service nodes together. We will be very glad = if > you can help us in providing detailed service node use cases. > > 2) The deployment is also a very important thing for service chain. = Now > given that the final charter has not been decided yet, and as Adrian said= , > it was less clear to me that there is agreement about the layer in which > service chaining has to be solved, so for this point, there might be seve= ral > possibilities. One na=C3=AFve use I can easily case is the service chain = can be > deployed at the where the BNG is deployed, between the metro and CR. I wi= ll > try to add a figure to illustrate this later. If you have some other idea= , > please let me know. > > > > Regards, > > Shucheng LIU (Will) > > > > From: =E8=83=A1=E6=8D=B7 [mailto:huj@ctbri.com.cn] > Sent: Friday, August 16, 2013 10:33 AM > To: nsc@ietf.org; Will Liu (Shucheng) > Subject: RE: [nsc] FW: New Version Notification for > draft-liu-service-chaining-use-cases-01.txt > > > > Hi Will, > > I read through your draft and believe that, overall, this is a very usefu= l > document, and I support most of use cases in it. > > > > However, I think it would be great if you can add the following two in ne= xt > version: > > 1) The detailed use cases for service node, e.g., what function are you > going to be virtualized. > > 2) How is the service chain deployed in an operator's network? > > > > Best regards, > > > > Hu Jie > > > _______________________________________________ > nsc mailing list > nsc@ietf.org > https://www.ietf.org/mailman/listinfo/nsc > From liushucheng@huawei.com Mon Aug 19 00:02:55 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EFB7E21F97E6 for ; Mon, 19 Aug 2013 00:02:54 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -5.999 X-Spam-Level: X-Spam-Status: No, score=-5.999 tagged_above=-999 required=5 tests=[AWL=-0.300, BAYES_00=-2.599, J_CHICKENPOX_34=0.6, MIME_8BIT_HEADER=0.3, 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 LF+nYiDRhENG for ; Mon, 19 Aug 2013 00:02:50 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) by ietfa.amsl.com (Postfix) with ESMTP id 7A5C021F9950 for ; Mon, 19 Aug 2013 00:02:49 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml204-edg.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.5-GA FastPath queued) with ESMTP id AUM76956; Mon, 19 Aug 2013 07:02:48 +0000 (GMT) Received: from LHREML405-HUB.china.huawei.com (10.201.5.242) by lhreml204-edg.china.huawei.com (172.18.7.223) with Microsoft SMTP Server (TLS) id 14.1.323.7; Mon, 19 Aug 2013 08:01:54 +0100 Received: from SZXEML407-HUB.china.huawei.com (10.82.67.94) by lhreml405-hub.china.huawei.com (10.201.5.242) with Microsoft SMTP Server (TLS) id 14.1.323.7; Mon, 19 Aug 2013 08:02:16 +0100 Received: from SZXEML546-MBX.china.huawei.com ([169.254.3.175]) by szxeml407-hub.china.huawei.com ([10.82.67.94]) with mapi id 14.01.0323.007; Mon, 19 Aug 2013 15:02:11 +0800 From: "Will Liu (Shucheng)" To: =?utf-8?B?6IOh5o23?= , "Cao,Zhen" Thread-Topic: [nsc] FW: New Version Notification for draft-liu-service-chaining-use-cases-01.txt Thread-Index: AQHOnJLyMSQr4YBjh0md6s1eQ/eIKZmcGW0Q Date: Mon, 19 Aug 2013 07:02:09 +0000 Message-ID: References: <005201ce9a28$f9bdd4e0$ed397ea0$@ctbri.com.cn> In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: yes 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(localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6AEE511E810F for ; Thu, 22 Aug 2013 14:21:00 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.264 X-Spam-Level: X-Spam-Status: No, score=-3.264 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, IP_NOT_FRIENDLY=0.334, 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 38Keup1Qj55L for ; Thu, 22 Aug 2013 14:20:55 -0700 (PDT) Received: from mx0b-000f0801.pphosted.com (mx0b-000f0801.pphosted.com [67.231.152.113]) by ietfa.amsl.com (Postfix) with ESMTP id 8510D21F9F23 for ; Thu, 22 Aug 2013 14:20:53 -0700 (PDT) Received: from pps.filterd (m0000700 [127.0.0.1]) by mx0b-000f0801.pphosted.com (8.14.5/8.14.5) with SMTP id r7MK6IaD015761; Thu, 22 Aug 2013 14:20:52 -0700 Received: from hq1wp-exchub01.corp.brocade.com ([144.49.131.13]) by mx0b-000f0801.pphosted.com with ESMTP id 1edkhg8bse-6 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Thu, 22 Aug 2013 14:20:52 -0700 Received: from HQ1WP-EXHUB01.corp.brocade.com (10.70.36.14) by HQ1WP-EXCHUB01.corp.brocade.com (10.70.36.99) with Microsoft SMTP Server (TLS) id 14.3.123.3; Thu, 22 Aug 2013 14:20:50 -0700 Received: from HQ1-EXCH03.corp.brocade.com ([fe80::411c:2971:c59e:5e4a]) by HQ1WP-EXHUB01.corp.brocade.com ([::1]) with mapi; Thu, 22 Aug 2013 14:20:52 -0700 From: Sean Yiu To: "jguichar@cisco.com" , "tnarten@us.ibm.com" Date: Thu, 22 Aug 2013 14:20:50 -0700 Thread-Topic: More well defined Use Cases for NSC Thread-Index: Ac6ffOBqOL27Xl6OQu2npQbwq4pijw== Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_B6C027A5FECE784EACD1A9EDCCA0B7A2467F512DF0HQ1EXCH03corp_" MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.10.8794, 1.0.431, 0.0.0000 definitions=2013-08-22_08:2013-08-22, 2013-08-22, 1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1305240000 definitions=main-1308220140 Cc: "nsc@ietf.org" Subject: [nsc] More well defined Use Cases for NSC X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Aug 2013 21:21:01 -0000 --_000_B6C027A5FECE784EACD1A9EDCCA0B7A2467F512DF0HQ1EXCH03corp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Jim and Thomas et al Thanks much for moving NSC along. I do have some suggestions on the next st= eps - i.e. is that towards the WG sessions (in Vancouver ?) , one main fo= cus could be documenting some well defined use cases - especially from the = network operators' point of view. Closest I found so far seems to be http:= //datatracker.ietf.org/doc/draft-liu-service-chaining-use-cases/?include_te= xt=3D1 but it has a few examples only (at least at this point in time). It= would be helpful to have more use cases from a larger set of network oper= ators. I also suggest that in collecting and documenting these use cases, w= e be "strict" to ourselves to state the use cases in some level of detail a= nd not jump into Architecture and even implementation details. Thanks Sean --_000_B6C027A5FECE784EACD1A9EDCCA0B7A2467F512DF0HQ1EXCH03corp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi  Jim and= Thomas et al

 

Thanks much for moving NSC along. I do have some suggestion= s on the next steps – i.e.  is that towards the WG sessions (in = Vancouver ?) , one main  focus could be documenting some well defined = use cases – especially from the network operators’  point = of view. Closest I found so far seems to be <= a href=3D"http://datatracker.ietf.org/doc/draft-liu-service-chaining-use-ca= ses/?include_text=3D1">http://datatracker.ietf.org/doc/draft-liu-service-ch= aining-use-cases/?include_text=3D1 but it has a few examples= only (at least at this point in time).  It would be helpful to have &= nbsp;more use cases from a larger set of network operators. I also suggest = that in collecting and documenting these use cases, we be “strictR= 21; to ourselves to state the use cases in some level of detail and not jum= p into Architecture and even implementation details.

 

Thanks


Sean

&nb= sp;

= --_000_B6C027A5FECE784EACD1A9EDCCA0B7A2467F512DF0HQ1EXCH03corp_-- From jguichar@cisco.com Mon Aug 26 06:28:51 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 83DCC21F90A7 for ; Mon, 26 Aug 2013 06:28:51 -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 0sYKPEJkgyh3 for ; Mon, 26 Aug 2013 06:28:46 -0700 (PDT) Received: from rcdn-iport-4.cisco.com (rcdn-iport-4.cisco.com [173.37.86.75]) by ietfa.amsl.com (Postfix) with ESMTP id 9195621F9C10 for ; Mon, 26 Aug 2013 06:28:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=9771; q=dns/txt; s=iport; t=1377523726; x=1378733326; h=from:to:cc:subject:date:message-id:in-reply-to: mime-version; bh=F9y3HarSqQ5JsKwoKeF74macCVbd+w7leK1O3uL2vbc=; b=eaJcwtwBYloiRGFTO+EqbW6hy1qe7CHiKCaBDHMi8bS254kl53DMHAMK 14+nWpwDJ5PntZPdcBNH3kQE171ShPhg83yjxpzWmlLkYfmeWujFtdujy 39cBroZlj5OtAppvM1aGek/biGfKDWuU2qyz8lQSApmOsBFtfQP7YuZxY Q=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjUGAMFWG1KtJXG8/2dsb2JhbABagkNENVGuBIlNiEOBIRZ0giQBAQEELUwSAQgOAwECAQILHTkUAwYIAQEEAQ0FCId5DLcckEcgEQeDHH0DmRuQNIMegio X-IronPort-AV: E=Sophos;i="4.89,958,1367971200"; d="scan'208,217";a="251748393" Received: from rcdn-core2-1.cisco.com ([173.37.113.188]) by rcdn-iport-4.cisco.com with ESMTP; 26 Aug 2013 13:28:46 +0000 Received: from xhc-aln-x14.cisco.com (xhc-aln-x14.cisco.com [173.36.12.88]) by rcdn-core2-1.cisco.com (8.14.5/8.14.5) with ESMTP id r7QDSkHl019651 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Mon, 26 Aug 2013 13:28:46 GMT Received: from xmb-rcd-x01.cisco.com ([169.254.1.31]) by xhc-aln-x14.cisco.com ([173.36.12.88]) with mapi id 14.02.0318.004; Mon, 26 Aug 2013 08:28:45 -0500 From: "Jim Guichard (jguichar)" To: Sean Yiu , "tnarten@us.ibm.com" Thread-Topic: More well defined Use Cases for NSC Thread-Index: Ac6ffOBqOL27Xl6OQu2npQbwq4pijwC67BiA Date: Mon, 26 Aug 2013 13:28:45 +0000 Message-ID: <68B171751455884590F8E38E96416F363F64E696@xmb-rcd-x01.cisco.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.3.120616 x-originating-ip: [10.98.130.215] Content-Type: multipart/alternative; boundary="_000_68B171751455884590F8E38E96416F363F64E696xmbrcdx01ciscoc_" MIME-Version: 1.0 Cc: "nsc@ietf.org" Subject: Re: [nsc] More well defined Use Cases for NSC X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Aug 2013 13:28:51 -0000 --_000_68B171751455884590F8E38E96416F363F64E696xmbrcdx01ciscoc_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Sean, I think the problem with use cases is that there are so many of them and in= a lot of cases will be specific to a given operators deployment choices. T= rying to document them all serves little purpose other than informational i= mho. Having said that we will have high level use cases in the problem sta= tement draft. For more detailed use cases I think we will probably see a se= t of drafts that are relevant to specific deployment environments such as m= obility, DC, etc, and I think that is the right approach. From: Sean Yiu > Date: Thursday, August 22, 2013 5:20 PM To: Microsoft Office User >, = "tnarten@us.ibm.com" > Cc: "nsc@ietf.org" > Subject: More well defined Use Cases for NSC Hi Jim and Thomas et al Thanks much for moving NSC along. I do have some suggestions on the next st= eps =96 i.e. is that towards the WG sessions (in Vancouver ?) , one main = focus could be documenting some well defined use cases =96 especially from = the network operators=92 point of view. Closest I found so far seems to be= http://datatracker.ietf.org/doc/draft-liu-service-chaining-use-cases/?incl= ude_text=3D1 but it has a few examples only (at least at this point in time= ). It would be helpful to have more use cases from a larger set of networ= k operators. I also suggest that in collecting and documenting these use ca= ses, we be =93strict=94 to ourselves to state the use cases in some level o= f detail and not jump into Architecture and even implementation details. Thanks Sean --_000_68B171751455884590F8E38E96416F363F64E696xmbrcdx01ciscoc_ Content-Type: text/html; charset="Windows-1252" Content-ID: Content-Transfer-Encoding: quoted-printable
Hi Sean,

I think the problem with use cases is that there are so many of them a= nd in a lot of cases will be specific to a given operators deployment choic= es. Trying to document them all serves little purpose other than informatio= nal imho.  Having said that we will have high level use cases in the problem statement draft. For more detaile= d use cases I think we will probably see a set of drafts that are relevant = to specific deployment environments such as mobility, DC, etc, and I think = that is the right approach. 

From: Sean Yiu <syiu@Brocade.com>
Date: Thursday, August 22, 2013 5:2= 0 PM
To: Microsoft Office User <jguichar@cisco.com>, "tnarten@us.ibm.com" <tnarten@us.ibm.com>
Cc: "nsc@ietf.org" <nsc@ietf.= org>
Subject: More well defined Use Case= s for NSC

Hi  Jim and Thomas et al

 

Thanks much for moving NSC along. I do have some sug= gestions on the next steps =96 i.e.  is that towards the WG sessions (= in Vancouver ?) , one main  focus could be documenting some well defin= ed use cases =96 especially from the network operators=92  point of view. Closest I found so far seems to be http://datatracker.ietf.org/doc/draft-l= iu-service-chaining-use-cases/?include_text=3D1 but it has a few examples only (at least at this point in time).  It = would be helpful to have  more use cases from a larger set of network = operators. I also suggest that in collecting and documenting these use case= s, we be =93strict=94 to ourselves to state the use cases in some level of detail and not jump into Architecture and even = implementation details.

 

Thanks


Sean

 

 --_000_68B171751455884590F8E38E96416F363F64E696xmbrcdx01ciscoc_-- From paulq@cisco.com Mon Aug 26 14:25:50 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4177511E8235 for ; Mon, 26 Aug 2013 14:25:50 -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 FDLIeMSaoU54 for ; Mon, 26 Aug 2013 14:25:44 -0700 (PDT) Received: from rcdn-iport-4.cisco.com (rcdn-iport-4.cisco.com [173.37.86.75]) by ietfa.amsl.com (Postfix) with ESMTP id DD83311E80A2 for ; Mon, 26 Aug 2013 14:25:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=1778; q=dns/txt; s=iport; t=1377552344; x=1378761944; h=from:to:subject:date:message-id:references:content-id: content-transfer-encoding:mime-version; bh=Z8elCfu2Cs05xB2fi1c3cFQBTQrt78S6wzstVkh0Ew8=; b=OIlpEhmjgTKYX+IEn6p3oqpUeJSQ6YvKtI7K/3A1kCGix1ON+YNqNABh 59ARbB/G1DDvafl1NHsvfUproPCP2SC14qqPlCAXUTdWyBBxPkyyuVvFl pRMIo/v7PXAJeuT0c6dWwV8hJarkfEpt123jZFIEL2wRUKAUrV56p8RsH M=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AsQGAELHG1KtJXG+/2dsb2JhbABagwc1SwbAJIEiFm0HgiUBAQQ6KxISAgEqFBAyGwoCBBsBh3gHBbgBkEeDVH0DmRuQNIMegio X-IronPort-AV: E=Sophos;i="4.89,962,1367971200"; d="scan'208";a="251955238" Received: from rcdn-core2-3.cisco.com ([173.37.113.190]) by rcdn-iport-4.cisco.com with ESMTP; 26 Aug 2013 21:25:39 +0000 Received: from xhc-aln-x05.cisco.com (xhc-aln-x05.cisco.com [173.36.12.79]) by rcdn-core2-3.cisco.com (8.14.5/8.14.5) with ESMTP id r7QLPdDr009308 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL) for ; Mon, 26 Aug 2013 21:25:39 GMT Received: from xmb-rcd-x14.cisco.com ([169.254.4.38]) by xhc-aln-x05.cisco.com ([173.36.12.79]) with mapi id 14.02.0318.004; Mon, 26 Aug 2013 16:25:39 -0500 From: "Paul Quinn (paulq)" To: "nsc@ietf.org" Thread-Topic: New Version Notification for draft-quinn-nsc-problem-statement-03.txt Thread-Index: AQHOopq01phHWqk6u0WKYwkcO/Gzjg== Date: Mon, 26 Aug 2013 21:25:38 +0000 Message-ID: References: <20130826202733.25859.57829.idtracker@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.19.172.246] Content-Type: text/plain; charset="us-ascii" Content-ID: <3474A1AB4D966D478BCEB6E2711A6679@emea.cisco.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: [nsc] Fwd: New Version Notification for draft-quinn-nsc-problem-statement-03.txt X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Aug 2013 21:25:50 -0000 Hi folks, This new version incorporates feedback from the list, as well as the inclus= ion of a new co-author. Thanks Paul Begin forwarded message: >=20 >=20 > A new version of I-D, draft-quinn-nsc-problem-statement-03.txt > has been successfully submitted by Paul Quinn and posted to the > IETF repository. >=20 > Filename: draft-quinn-nsc-problem-statement > Revision: 03 > Title: Network Service Chaining Problem Statement > Creation date: 2013-08-26 > Group: Individual Submission > Number of pages: 18 > URL: http://www.ietf.org/internet-drafts/draft-quinn-nsc-prob= lem-statement-03.txt > Status: http://datatracker.ietf.org/doc/draft-quinn-nsc-problem-= statement > Htmlized: http://tools.ietf.org/html/draft-quinn-nsc-problem-state= ment-03 > Diff: http://www.ietf.org/rfcdiff?url2=3Ddraft-quinn-nsc-probl= em-statement-03 >=20 > Abstract: > This document provides an overview of the issues associated with the > deployment of services functions (such as firewalls, load balancers) > in large-scale environments. The term service function chaining is > used to describe the deployment of such service functions, and the > ability of a network operator to specify an ordered list of service > functions that should be applied to a deterministic set of traffic > flows. Such service function chains require integration of service > policy alongside the deployment of applications, while allowing for > the optimal utilization of network resources. >=20 >=20 >=20 >=20 > Please note that it may take a couple of minutes from the time of submiss= ion > until the htmlized version and diff are available at tools.ietf.org. >=20 > The IETF Secretariat >=20 From mohamed.boucadair@orange.com Mon Aug 26 23:58:57 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 165C721F93C4 for ; Mon, 26 Aug 2013 23:58:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.234 X-Spam-Level: X-Spam-Status: No, score=-2.234 tagged_above=-999 required=5 tests=[AWL=0.014, BAYES_00=-2.599, HELO_EQ_FR=0.35, 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 r-PeD-1FV+L9 for ; Mon, 26 Aug 2013 23:58:53 -0700 (PDT) Received: from relais-inet.francetelecom.com (relais-ias92.francetelecom.com [193.251.215.92]) by ietfa.amsl.com (Postfix) with ESMTP id 5339011E8164 for ; Mon, 26 Aug 2013 23:58:52 -0700 (PDT) Received: from omfedm05.si.francetelecom.fr (unknown [xx.xx.xx.1]) by omfedm10.si.francetelecom.fr (ESMTP service) with ESMTP id 053E226448A for ; Tue, 27 Aug 2013 08:58:49 +0200 (CEST) Received: from PUEXCH11.nanterre.francetelecom.fr (unknown [10.101.44.27]) by omfedm05.si.francetelecom.fr (ESMTP service) with ESMTP id E07D935C045 for ; Tue, 27 Aug 2013 08:58:48 +0200 (CEST) Received: from PUEXCB1B.nanterre.francetelecom.fr ([10.101.44.12]) by PUEXCH11.nanterre.francetelecom.fr ([10.101.44.27]) with mapi; Tue, 27 Aug 2013 08:58:48 +0200 From: To: "nsc@ietf.org" Date: Tue, 27 Aug 2013 08:58:45 +0200 Thread-Topic: I-D Action: draft-boucadair-chaining-requirements-01.txt Thread-Index: Ac6fMhIAzIOqddliRk+cqJ/CnVKw9ADv8zVg Message-ID: <94C682931C08B048B7A8645303FDC9F36EEEE4EC9B@PUEXCB1B.nanterre.francetelecom.fr> References: <20130822122034.1096.13332.idtracker@ietfa.amsl.com> In-Reply-To: <20130822122034.1096.13332.idtracker@ietfa.amsl.com> Accept-Language: fr-FR Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: fr-FR Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2013.8.27.40916 Subject: [nsc] TR: I-D Action: draft-boucadair-chaining-requirements-01.txt X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Aug 2013 06:58:57 -0000 Dear all, A new version of the requirements draft is now available online. The main c= hanges in this new version are as follows: * Enrich the document with inputs from draft-li-service-chaining-requiremen= ts =20 * Welcome authors of draft-li-service-chaining-requirements as co-authors * Add new security-related requirements. * Re-order the requirements A more detailed diff is available at: http://tools.ietf.org/rfcdiff?url2=3D= draft-boucadair-chaining-requirements-01.txt=20 Feel free to share your comments, suggestions and text contributions on the= list or direct them to the authors. Cheers, Med -----Message d'origine----- De=A0: i-d-announce-bounces@ietf.org [mailto:i-d-announce-bounces@ietf.org]= De la part de internet-drafts@ietf.org Envoy=E9=A0: jeudi 22 ao=FBt 2013 14:21 =C0=A0: i-d-announce@ietf.org Objet=A0: I-D Action: draft-boucadair-chaining-requirements-01.txt A New Internet-Draft is available from the on-line Internet-Drafts director= ies. Title : Requirements for Service Function Chaining Author(s) : Mohamed Boucadair Christian Jacquenet Yuanlong Jiang Hongyu Li Ron Parker Filename : draft-boucadair-chaining-requirements-01.txt Pages : 10 Date : 2013-08-22 Abstract: This document identifies the requirements for the Service Function Chaining. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-boucadair-chaining-requirements There's also a htmlized version available at: http://tools.ietf.org/html/draft-boucadair-chaining-requirements-01 A diff from the previous version is available at: http://www.ietf.org/rfcdiff?url2=3Ddraft-boucadair-chaining-requirements-01 Please note that it may take a couple of minutes from the time of submissio= n until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ _______________________________________________ I-D-Announce mailing list I-D-Announce@ietf.org https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft directories: http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt From liushucheng@huawei.com Fri Aug 30 23:29:24 2013 Return-Path: X-Original-To: nsc@ietfa.amsl.com Delivered-To: nsc@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6F69E21E804D for ; Fri, 30 Aug 2013 23:29:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.298 X-Spam-Level: X-Spam-Status: No, score=-6.298 tagged_above=-999 required=5 tests=[AWL=0.300, 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 4B5Mkxke3s7A for ; Fri, 30 Aug 2013 23:29:20 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) by ietfa.amsl.com (Postfix) with ESMTP id 94C7511E8125 for ; Fri, 30 Aug 2013 23:29:19 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml203-edg.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.5-GA FastPath queued) with ESMTP id AWT47703; Sat, 31 Aug 2013 06:29:18 +0000 (GMT) Received: from LHREML405-HUB.china.huawei.com (10.201.5.242) by lhreml203-edg.huawei.com (172.18.7.221) with Microsoft SMTP Server (TLS) id 14.3.146.0; Sat, 31 Aug 2013 07:29:15 +0100 Received: from SZXEMA409-HUB.china.huawei.com (10.82.72.41) by lhreml405-hub.china.huawei.com (10.201.5.242) with Microsoft SMTP Server (TLS) id 14.3.146.0; Sat, 31 Aug 2013 07:29:17 +0100 Received: from SZXEMA506-MBS.china.huawei.com ([169.254.4.127]) by SZXEMA409-HUB.china.huawei.com ([10.82.72.41]) with mapi id 14.03.0146.000; Sat, 31 Aug 2013 14:29:12 +0800 From: "Will Liu (Shucheng)" To: "nsc@ietf.org" Thread-Topic: [update] deadline extended, TPC and submission URL updated//RE: [nsc] CFP: IEEE CCNC, 2014: Special session on Network Function Virtualization Thread-Index: Ac6Uyzj5dqSi1VclRh2FTaphs/1aFgAAUtKABED1LkA= Date: Sat, 31 Aug 2013 06:29:10 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.66.78.79] Content-Type: multipart/alternative; boundary="_000_C9B5F12337F6F841B35C404CF0554ACB560E3B62szxema506mbschi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Subject: [nsc] [update] deadline extended, TPC and submission URL updated//RE: CFP: IEEE CCNC, 2014: Special session on Network Function Virtualization X-BeenThere: nsc@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Network Service Chaining List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Aug 2013 06:29:24 -0000 --_000_C9B5F12337F6F841B35C404CF0554ACB560E3B62szxema506mbschi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Call For Papers IEEE Consumer Communications and Networking Conference (CCNC), Special sess= ion on Network Function Virtualization Special Session URL: http://ccnc2014.ieee-ccnc.org/call-for-submissions/call-special-sessions#ne= tworkfunction-virt Network Function Virtualization (NFV) has gained considerable attention bot= h in academia and industry. This special session calls for recent research,= practical experiences, and development lessons in deploying NFV in current= and emerging networking environments. The research can be in NFV range from virtualization of both residential an= d service provider wireless gateways/access nodes to centralized control fo= r optical fibers channels and MPLS. There are limitless network functions t= hat can be virtualized and there are various factors that can impact NFV su= ch as algorithm for QoS and Security, innovation for new programmable ASIC = or advanced FPGA. Practical experience on deploying NFV for novel applicati= ons are particularly welcome especially integrating virtualized network dev= ices into the existing network. The contributions requested include but are not limited to: *. Cloud or Virtual Residential Gateway *. Virtualization of Access Network Function *. Programmable Access Technology *. Centralized or unified control & management of FTTx *. Wholesale of virtual access network *. Quality of service in access network virtualization *. Service provisioning or generation in virtual access network *. Coexistent of virtualized and non-virtualized access network functio= n *. Impacts on user experiences We encourage submissions of high-quality technical papers reporting origina= l research that has not been previously published, and is not currently sub= mitted for consideration elsewhere. The special session papers will be trea= ted the same as the main technical track papers in terms of formatting, rev= iewing, quality control, inclusion into proceedings, author registration an= d attendance. Special Session Chair Dr. Chern Nam YAP, Temasek Polytechnic, Singapore Dr. Shucheng LIU, Huawei Technologies, China Ms. Tina TSOU, Huawei Technologies, USA Technical Program Committee: Dr. Diego R. Lopez, Telefonica I+D, Spain Mr. Fred Feisullin, Sprint CTO Group, USA Dr. Marcus Brunner, Swisscom, Switzerland Dr. Igor Faynberg, Alcatel-Lucent and Stevens Institute of Technology Mr. Zvika Bronstein, Huawei Technologies, Israel Prof. Chunming Qiao, University at Buffalo, USA Prof. Hongfang Yu, University of Electronic Sci. & Tech. of China, China Dr. Yong Cui, Tsinghua University, China Dr. Xianfeng LI, School of ECE, Peking University, China Dr. Jin Wang, Soochow University, China Mr. Yong Huang, Huawei Technologies, China Mr. Robin Zheng, Huawei Technologies, China Ms. Linda Dunbar, Huawei Technologies, USA Important dates: Submission Due: September 13, 2013 Notification of Acceptance: October 4, 2013 Camera-Ready Due: November 1, 2013 Paper Format and Submission: Format: http://ccnc2014.ieee-ccnc.org/authors Submission URL: http://edas.info/newPaper.php?c=3D14867 Regards, Shucheng LIU (Will) From: nsc-bounces@ietf.org [mailto:nsc-bounces@ietf.org] On Behalf Of Will = Liu (Shucheng) Sent: Friday, August 09, 2013 2:56 PM To: nsc@ietf.org Subject: [nsc] CFP: IEEE CCNC, 2014: Special session on Network Function Vi= rtualization =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=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D IEEE Consumer Communications and Networking Conference (CCNC), 2014 CFP for Special session on Network Function Virtualization =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=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Special Session URL: [TBA] Network Function Virtualization (NFV) has gained considerable attention bot= h in academia and industry. This special session calls for recent research,= practical experiences, and development lessons in deploying NFV in current= and emerging networking environments. The research can be in NFV range from virtualization of both residential an= d service provider wireless gateways/access nodes to centralized control fo= r optical fibers channels and MPLS. There are limitless network functions t= hat can be virtualized and there are various factors that can impact NFV su= ch as algorithm for QoS and Security, innovation for new programmable ASIC = or advanced FPGA. Practical experience on deploying NFV for novel applicati= ons are particularly welcome especially integrating virtualized network dev= ices into the existing network. The contributions requested include but are not limited to: *. Cloud or Virtual Residential Gateway *. Virtualization of Access Network Function *. Programmable Access Technology *. Centralized or unified control & management of FTTx *. Wholesale of virtual access network *. Quality of service in access network virtualization *. Service provisioning or generation in virtual access network *. Coexistent of virtualized and non-virtualized access network functio= n *. Impacts on user experiences We encourage submissions of high-quality technical papers reporting origina= l research that has not been previously published, and is not currently sub= mitted for consideration elsewhere. The special session papers will be trea= ted the same as the main technical track papers in terms of formatting, rev= iewing, quality control, inclusion into proceedings, author registration an= d attendance. Special Session Chair Chern Nam YAP, Temasek Polytechnic, Singapore Shucheng LIU, Huawei Technologies, China Program Committee: [TBA] Important dates: Submission Due: August 30, 2013 Notification of Acceptance: October 4, 2013 Camera-Ready Due: November 1, 2013 Paper Format and Submission: Format: http://ccnc2014.ieee-ccnc.org/authors Submission URL: [TBA] Regards, Will --_000_C9B5F12337F6F841B35C404CF0554ACB560E3B62szxema506mbschi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Call Fo= r Papers

&n= bsp;

IEEE Co= nsumer Communications and Networking Conference (CCNC), Special session on = Network Function Virtualization

&n= bsp;

Special= Session URL:

http://ccnc2014.ieee-ccnc.org/call-for-submissions/= call-special-sessions#networkfunction-virt

&n= bsp;

Network= Function Virtualization (NFV) has gained considerable attention both in ac= ademia and industry. This special session calls for recent research, practi= cal experiences, and development lessons in deploying NFV in current and emerging networking environments.

&n= bsp;

The res= earch can be in NFV range from virtualization of both residential and servi= ce provider wireless gateways/access nodes to centralized control for optic= al fibers channels and MPLS. There are limitless network functions that can be virtualized and there are various = factors that can impact NFV such as algorithm for QoS and Security, innovat= ion for new programmable ASIC or advanced FPGA. Practical experience on dep= loying NFV for novel applications are particularly welcome especially integrating virtualized network device= s into the existing network.

&n= bsp;

&n= bsp;

The con= tributions requested include but are not limited to:

&n= bsp;

*. = ;    Cloud or Virtual Residential Gateway<= /p>

*. = ;    Virtualization of Access Network Function

*. = ;    Programmable Access Technology

*. = ;    Centralized or unified control & management of FTTx=

*. = ;    Wholesale of virtual access network

*. = ;    Quality of service in access network virtualization

*. = ;    Service provisioning or generation in virtual access ne= twork

*. = ;    Coexistent of virtualized and non-virtualized access ne= twork function

*. = ;    Impacts on user experiences

&n= bsp;

&n= bsp;

We enco= urage submissions of high-quality technical papers reporting original resea= rch that has not been previously published, and is not currently submitted = for consideration elsewhere. The special session papers will be treated the same as the main technical track papers= in terms of formatting, reviewing, quality control, inclusion into proceed= ings, author registration and attendance.

&n= bsp;

Special= Session Chair

Dr. Che= rn Nam YAP, Temasek Polytechnic, Singapore

Dr. Shu= cheng LIU, Huawei Technologies, China

Ms. Tin= a TSOU, Huawei Technologies, USA

&n= bsp;

Technic= al Program Committee:

Dr. Die= go R. Lopez, Telefonica I+D, Spain

Mr. Fre= d Feisullin, Sprint CTO Group, USA

Dr. Mar= cus Brunner, Swisscom, Switzerland

Dr. Igo= r Faynberg, Alcatel-Lucent and Stevens Institute of Technology

Mr. Zvi= ka Bronstein, Huawei Technologies, Israel

Prof. C= hunming Qiao, University at Buffalo, USA

Prof. H= ongfang Yu, University of Electronic Sci. & Tech. of China, China<= /o:p>

Dr. Yon= g Cui, Tsinghua University, China

Dr. Xia= nfeng LI, School of ECE, Peking University, China

Dr. Jin= Wang, Soochow University, China

Mr. Yon= g Huang, Huawei Technologies, China

Mr. Rob= in Zheng, Huawei Technologies, China

Ms. Lin= da Dunbar, Huawei Technologies, USA

&n= bsp;

&n= bsp;

Importa= nt dates:

Submiss= ion Due: September 13, 2013

Notific= ation of Acceptance: October 4, 2013

Camera-= Ready Due: November 1, 2013

&n= bsp;

&n= bsp;

Paper F= ormat and Submission:

Format:= http://ccnc2014.ieee-ccnc.org/authors

Submiss= ion URL: http://edas.info/newPaper.php?c=3D14867

&n= bsp;

&n= bsp;

Regards= ,

Shuchen= g LIU (Will)

&n= bsp;

From: nsc-bounces@= ietf.org [mailto:nsc-bounces@ietf.org] On Behalf Of Will Liu (Shucheng)
Sent: Friday, August 09, 2013 2:56 PM
To: nsc@ietf.org
Subject: [nsc] CFP: IEEE CCNC, 2014: Special session on Network Func= tion Virtualization

 

 

=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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D

IEEE Consumer Communications= and Networking Conference (CCNC), 2014

 

CFP for Special session on N= etwork Function Virtualization

=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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D

 

Special Session URL:

[TBA]

 

Network Function Virtualization= (NFV) has gained considerable attention both in academia and industry. Thi= s special session calls for recent research, practical experiences, and dev= elopment lessons in deploying NFV in current and emerging networking environments.

 

The research can be in NFV rang= e from virtualization of both residential and service provider wireless gat= eways/access nodes to centralized control for optical fibers channels and M= PLS. There are limitless network functions that can be virtualized and there are various factors that can impact NFV = such as algorithm for QoS and Security, innovation for new programmable ASI= C or advanced FPGA. Practical experience on deploying NFV for novel applica= tions are particularly welcome especially integrating virtualized network devices into the existing network.

 

 

The contributions requested inc= lude but are not limited to:

 

*.     Clou= d or Virtual Residential Gateway

*.     Virt= ualization of Access Network Function

*.     Prog= rammable Access Technology

*.     Cent= ralized or unified control & management of FTTx

*.     Whol= esale of virtual access network

*.     Qual= ity of service in access network virtualization

*.     Serv= ice provisioning or generation in virtual access network<= /p>

*.     Coex= istent of virtualized and non-virtualized access network function

*.     Impa= cts on user experiences

 

 

We encourage submissions of hig= h-quality technical papers reporting original research that has not been pr= eviously published, and is not currently submitted for consideration elsewh= ere. The special session papers will be treated the same as the main technical track papers in terms of formatt= ing, reviewing, quality control, inclusion into proceedings, author registr= ation and attendance.

 

Special Session Chair

Chern Nam YAP, Temasek Polytech= nic, Singapore

Shucheng LIU, Huawei Technologi= es, China

 

Program Committee: <= /span>

[TBA]

 

 

Important dates:

Submission Due: August 30, 2013=

Notification of Acceptance: Oct= ober 4, 2013

Camera-Ready Due: November 1, 2= 013

 

 

Paper Format and Submission:

Format: http://ccnc2014.ieee-cc= nc.org/authors

Submission URL: [TBA]

 

Regards,

Will

 

--_000_C9B5F12337F6F841B35C404CF0554ACB560E3B62szxema506mbschi_--