
From yljiang@huawei.com  Tue Jun 30 19:22:55 2009
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Date: Wed, 01 Jul 2009 10:22:55 +0800
From: Jiang Yuan-long <yljiang@huawei.com>
To: Loa Andersson <loa@pi.nu>, mpls@ietf.org, mpls-tp@ietf.org, ccamp@ietf.org, pwe3@ietf.org, Ross Callon <rcallon@juniper.net>, Adrian Farrel <adrian@olddog.co.uk>
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Subject: Re: [CCAMP] [mpls-tp] WK Last Call on draft-ietf-mpls-tp-oam-requirements-02.txt
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Hi all,
In draft-ietf-mpls-tp-oam-requirements-02.txt,
1. In section 2.1.3, two requirements are presented, the first says:
  "...IP routing and forwarding capabilities are inherently present in
  the forwarding  plane..."
the second says:
  "...IP routing and forwarding capabilities may not necessarily be
  present in the user plane. In this case, it MUST be possible to
  operate the OAM functions without relying on IP routing and
  forwarding capabilities..."
AFAIS, user plane is only used for user traffic forwarding, so no IP 
capabilities in user
plane does not necessarily preclude OAM (which is logically different from 
user traffic) with IP.
Therefore, "user plane" should be replaced with the same "forwarding plane", 
IMO.

2. In section 2.1.4, it says:
"...It is also REQUIRED that
   the two first requirements of Section 2.1.3 still hold..."
Maybe "first" should be deleted?

   Thanks
Jiang Yuanlong


----- Original Message ----- 
From: "Loa Andersson" <loa@pi.nu>
To: <mpls@ietf.org>; <mpls-tp@ietf.org>; <ccamp@ietf.org>; <pwe3@ietf.org>; 
"Ross Callon" <rcallon@juniper.net>; "Adrian Farrel" <adrian@olddog.co.uk>
Sent: Monday, June 29, 2009 9:37 PM
Subject: [mpls-tp] WK Last Call on 
draft-ietf-mpls-tp-oam-requirements-02.txt


> All,
>
> This is to start a working group lat call on
>
> draft-ietf-mpls-tp-oam-requirements-02.txt
>
> that is is schedule to end July 17th.
>
> We chosen to start this last call already now and prolong it
> one week since we have a a parallel wg last call on the network
> management requirements (ending July 10).
>
> Please send comments to mpls-tp mailing list!
>
> *I.e. do not simply do a reply all on this mail.*
>
> /Loa
>
>
> -- 
>
>
> Loa Andersson
>
> Sr Strategy and Standards Manager    phone:  +46 10 717 52 13
> Ericsson ///                                 +46 767 72 92 13
>
>                                      email:  loa.andersson@ericsson.com
>                                              loa@pi.nu
> _______________________________________________
> mpls-tp mailing list
> mpls-tp@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls-tp 


From benjamin.niven-jenkins@bt.com  Wed Jul  1 13:03:11 2009
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Subject: Re: [CCAMP] poll to make draft-andersson-mpls-tp-process-03.txt a working group document
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Support. Ben



On 30/06/2009 15:19, "Loa Andersson" <loa@pi.nu> wrote:

> All,
> 
> we have an individual draft, draft-andersson-mpls-tp-process-03.txt,
> that describes additions to the mpls working group process to allow
> ITU-T to give input on MPLS-TP Internet Drafts.
> 
> It pretty much captures current practice, and from the start we had no
> intention to ever progress, but recently there has been comments that
> it would have a better and clearer sttus if it were a working group
> document.
> 
> We have had no plans to ever make it an RFC, but it has been pointed
> out that it would be possible to publish as an Historical RFC. Whether
> we execute on that or not is not yet decided.
> 
> Therefore, is is to start at two week poll on making
> draft-andersson-mpls-tp-process-03.txt an MPLS working group document.
> 
> The poll ends on July 14.
> 
> Please send your comments to the mpls-tp list.
> 
> Please
> 
> 
> 
> 


From tnadeau@lucidvision.com  Wed Jul  1 14:15:54 2009
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Subject: Re: [CCAMP] poll to make draft-andersson-mpls-tp-process-03.txt a working group document
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	Support.


> Support. Ben
>
>
>
> On 30/06/2009 15:19, "Loa Andersson" <loa@pi.nu> wrote:
>
>> All,
>>
>> we have an individual draft, draft-andersson-mpls-tp-process-03.txt,
>> that describes additions to the mpls working group process to allow
>> ITU-T to give input on MPLS-TP Internet Drafts.
>>
>> It pretty much captures current practice, and from the start we had  
>> no
>> intention to ever progress, but recently there has been comments that
>> it would have a better and clearer sttus if it were a working group
>> document.
>>
>> We have had no plans to ever make it an RFC, but it has been pointed
>> out that it would be possible to publish as an Historical RFC.  
>> Whether
>> we execute on that or not is not yet decided.
>>
>> Therefore, is is to start at two week poll on making
>> draft-andersson-mpls-tp-process-03.txt an MPLS working group  
>> document.
>>
>> The poll ends on July 14.
>>
>> Please send your comments to the mpls-tp list.
>>
>> Please
>>
>>
>>
>>
>
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp
>


From gregimirsky@gmail.com  Thu Jul  2 08:57:10 2009
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From: Greg Mirsky <gregimirsky@gmail.com>
To: Loa Andersson <loa@pi.nu>
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Subject: Re: [CCAMP] poll to make draft-andersson-mpls-tp-process-03.txt a working group document
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Support

Thanks,
Greg

On Tue, Jun 30, 2009 at 10:19 AM, Loa Andersson <loa@pi.nu> wrote:

> All,
>
> we have an individual draft, draft-andersson-mpls-tp-process-03.txt,
> that describes additions to the mpls working group process to allow
> ITU-T to give input on MPLS-TP Internet Drafts.
>
> It pretty much captures current practice, and from the start we had no
> intention to ever progress, but recently there has been comments that
> it would have a better and clearer sttus if it were a working group
> document.
>
> We have had no plans to ever make it an RFC, but it has been pointed
> out that it would be possible to publish as an Historical RFC. Whether
> we execute on that or not is not yet decided.
>
> Therefore, is is to start at two week poll on making
> draft-andersson-mpls-tp-process-03.txt an MPLS working group document.
>
> The poll ends on July 14.
>
> Please send your comments to the mpls-tp list.
>
> Please
>
>
>
>
>
> --
>
>
> Loa Andersson
>
> Sr Strategy and Standards Manager    phone:  +46 10 717 52 13
> Ericsson ///                                 +46 767 72 92 13
>
>                                     email:  loa.andersson@ericsson.com
>                                             loa@pi.nu
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp
>

--001485f040a4c44372046dbb1822
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Support<br><br>Thanks,<br>Greg<br><br><div class=3D"gmail_quote">On Tue, Ju=
n 30, 2009 at 10:19 AM, Loa Andersson <span dir=3D"ltr">&lt;<a href=3D"mail=
to:loa@pi.nu">loa@pi.nu</a>&gt;</span> wrote:<br><blockquote class=3D"gmail=
_quote" style=3D"border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt=
 0pt 0.8ex; padding-left: 1ex;">
All,<br>
<br>
we have an individual draft, draft-andersson-mpls-tp-process-03.txt,<br>
that describes additions to the mpls working group process to allow<br>
ITU-T to give input on MPLS-TP Internet Drafts.<br>
<br>
It pretty much captures current practice, and from the start we had no<br>
intention to ever progress, but recently there has been comments that<br>
it would have a better and clearer sttus if it were a working group<br>
document.<br>
<br>
We have had no plans to ever make it an RFC, but it has been pointed<br>
out that it would be possible to publish as an Historical RFC. Whether<br>
we execute on that or not is not yet decided.<br>
<br>
Therefore, is is to start at two week poll on making<br>
draft-andersson-mpls-tp-process-03.txt an MPLS working group document.<br>
<br>
The poll ends on July 14.<br>
<br>
Please send your comments to the mpls-tp list.<br>
<br>
Please<br>
<br>
<br>
<br>
<br>
<br>
-- <br>
<br>
<br>
Loa Andersson<br>
<br>
Sr Strategy and Standards Manager =A0 =A0phone: =A0+46 10 717 52 13<br>
Ericsson /// =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 +46 767 72 92 13<br>
<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 em=
ail: =A0<a href=3D"mailto:loa.andersson@ericsson.com" target=3D"_blank">loa=
.andersson@ericsson.com</a><br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 <a href=3D"mailto:loa@pi.nu" target=3D"_blank">loa@pi.nu</a=
><br>
_______________________________________________<br>
CCAMP mailing list<br>
<a href=3D"mailto:CCAMP@ietf.org" target=3D"_blank">CCAMP@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/ccamp" target=3D"_blank">h=
ttps://www.ietf.org/mailman/listinfo/ccamp</a><br>
</blockquote></div><br>

--001485f040a4c44372046dbb1822--

From loa@pi.nu  Mon Jul  6 03:40:17 2009
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Date: Mon, 06 Jul 2009 12:40:33 +0200
From: Loa Andersson <loa@pi.nu>
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Subject: [CCAMP] poll on making the mpls-tp process document a working group draft - update
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All,

I started this poll, but since I'm one of the authors of the document
I do not feel comfortable to judge the consensus on the poll.

I have therefore asked our AD (Adrian Farrel) to step in and together
with George make the consensus call.

/Loa

Loa Andersson wrote:
 > > All,
 > >
 > > we have an individual draft, draft-andersson-mpls-tp-process-03.txt,
 > > that describes additions to the mpls working group process to allow
 > > ITU-T to give input on MPLS-TP Internet Drafts.
 > >
 > > It pretty much captures current practice, and from the start we had no
 > > intention to ever progress, but recently there has been comments that
 > > it would have a better and clearer sttus if it were a working group
 > > document.
 > >
 > > We have had no plans to ever make it an RFC, but it has been pointed
 > > out that it would be possible to publish as an Historical RFC. Whether
 > > we execute on that or not is not yet decided.
 > >
 > > Therefore, is is to start at two week poll on making
 > > draft-andersson-mpls-tp-process-03.txt an MPLS working group document.
 > >
 > > The poll ends on July 14.
 > >
 > > Please send your comments to the mpls-tp list.
-- 


Loa Andersson                         email: loa.andersson@ericsson.com
Sr Strategy and Standards Manager            loa@pi.nu
Ericsson Inc                          phone: +46 8 632 77 14


From zhangfatai@huawei.com  Mon Jul  6 05:45:52 2009
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Date: Mon, 06 Jul 2009 20:43:05 +0800
From: Fatai Zhang <zhangfatai@huawei.com>
To: ccamp@ietf.org
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Subject: [CCAMP] Comments are welcome //Re: New Version Notification for draft-zhang-ccamp-gmpls-evolving-g709-00
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Hi CCAMPers,

We have submitted a draft which extends the G.709 traffic parameters  and also presents a new OTN label format which is very flexible, efficient and understandable. 

Please have a look at the attached document for detail.

We are aware that there is a lot of interest in this work. Hope we can find a good solution for the control of OTN with new features.

Any comments are welcome.


Thanks

Fatai
 
Advanced Technology Department
Wireline Networking Business Unit
Huawei Technologies Co., LTD.
Huawei Base, Bantian, Longgang,
Shenzhen 518129 P.R.China
Tel: +86-755-28972912
Fax: +86-755-28972935
  ----- Original Message ----- 
  From: IETF I-D Submission Tool 
  To: zhangfatai@huawei.com 
  Sent: Monday, July 06, 2009 11:52 AM
  Subject: New Version Notification for draft-zhang-ccamp-gmpls-evolving-g709-00



  A new version of I-D, draft-zhang-ccamp-gmpls-evolving-g709-00.txt has been successfuly submitted by Fatai Zhang and posted to the IETF repository.

  Filename: draft-zhang-ccamp-gmpls-evolving-g709
  Revision: 00
  Title: Generalized Multi-Protocol Label Switching (GMPLS) Signaling Extensions for the evolving G.709 Optical Transport Networks Control
  Creation_date: 2009-07-05
  WG ID: Independent Submission
  Number_of_pages: 13

  Abstract:
  Recent revisions of ITU-T Recommendation G.709 have introduced new 
  features for Optical Transport Networks (OTN) ODU0, ODU4, ODU2e, 
  ODU3e1, ODU3e2 and ODUflex. Several recent documents have proposed 
  ways to modify GMPLS signaling protocols to support the new OTN 
  features. 

  It is important that a single solution is developed for use in GMPLS  
  signaling and routing protocols. This solution must address all of 

   
   
   
  zhang





   Expires January 2010





  [page 1] 

  draft-zhang-ccamp-gmpls-evolving-g709-00.txt





  July 2009 
   

  the new features, must be acceptable to all equipment vendors, and 
  must be extensible for the evolving OTN. 

  This document describes the extensions to the Generalized Multi-
  Protocol Label Switching (GMPLS) signaling to control the evolving 
  Optical Transport Networks (OTN) with new features including ODU0, 
  ODU4, ODU2e, ODU3e1, ODU3e2 and ODUflex.  

  Conventions used in this document 

  The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", 
  "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 
  document are to be interpreted as described in [RFC2119].
                                                                                    


  The IETF Secretariat.


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Network Working Group                                        Fatai Zhang 
Internet Draft                                                    Huawei 
Category: Standards Track                                              
Expires: Jan 2010                                           July 5, 2009 
 
                                    
 Generalized Multi-Protocol Label Switching (GMPLS) Signaling Extensions        
        for the evolving G.709 Optical Transport Networks Control 
                                    
               draft-zhang-ccamp-gmpls-evolving-g709-00.txt 


Status of this Memo 

   This Internet-Draft is submitted to IETF in full conformance with   
   the provisions of BCP 78 and BCP 79. 

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   This Internet-Draft will expire on January 5, 2010. 

    

Abstract 
 
   Recent revisions of ITU-T Recommendation G.709 have introduced new 
   features for Optical Transport Networks (OTN) ODU0, ODU4, ODU2e, 
   ODU3e1, ODU3e2 and ODUflex. Several recent documents have proposed 
   ways to modify GMPLS signaling protocols to support the new OTN 
   features. 

   It is important that a single solution is developed for use in GMPLS  
   signaling and routing protocols. This solution must address all of 

 
 
 
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   the new features, must be acceptable to all equipment vendors, and 
   must be extensible for the evolving OTN. 

   This document describes the extensions to the Generalized Multi-
   Protocol Label Switching (GMPLS) signaling to control the evolving 
   Optical Transport Networks (OTN) with new features including ODU0, 
   ODU4, ODU2e, ODU3e1, ODU3e2 and ODUflex.  

Conventions used in this document 

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", 
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 
   document are to be interpreted as described in [RFC2119]. 

Table of Contents 

    
   1. Introduction.................................................2 
   2. Terminology..................................................3 
   3. GMPLS Extensions for the Evolving G.709 - Overview...........3 
   4. Generalized Label............................................6 
      4.1. New definition of ODUk label............................6 
      4.2. Examples................................................8 
      4.3. Label Distribution Procedure............................9 
   5. Security Considerations.....................................10 
   6. IANA Considerations.........................................10 
   7. Acknowledgments.............................................10 
   8. References..................................................10 
      8.1. Normative References...................................10 
      8.2. Informative References.................................11 
   9. Author's Addresses..........................................11 
   10. Contributors...............................................11 
 
 
1. Introduction 

   Generalized Multi-Protocol Label Switching (GMPLS) [RFC3945] extends   
   MPLS to include Layer-2 Switching (L2SC), Time-Division Multiplex 
   (e.g., SONET/SDH, PDH, and G.709),   Wavelength (Lambdas) Switching, 
   and Spatial Switching (e.g., incoming port or   fiber to outgoing 
   port or fiber). [RFC3471] presents a functional description of the 
   extensions to Multi-Protocol Label Switching (MPLS) signaling 
   required to support Generalized MPLS.  RSVP-TE-specific formats and 
   mechanisms and technology specific details are specified in [RFC3473]. 

   With the maturity and deployment of G.709 technology, it is necessary 
   that there should be a kind of control technology for G.709. [RFC4328] 
 
 
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   describes the control technology details that are specific to G.709 
   Optical Transport Networks (OTN) as specified in the ITU-T G.709 
   recommendation [ITUT-G709]. 

   However, with the evolution of OTN, there are some new features 
   introduced in ITU-T, for example, ODU0, ODU2e,ODU4 are described in 
   [G709-Amd3] and ODU3e1, ODU3e2 are described in [Gsup43] and ODUflex 
   is under being developed in [G709draft-v3]. 

   Therefore, it is obvious that [RFC4328] can not support these new 
   features of OTN from control plane perspective, and it should be 
   updated or replaced to support the evolving OTN. 

   This document extends the G.709 traffic parameters described in 
   [RFC4328] and also presents a new OTN label format which is very 
   flexible, efficient and understandable. 

2. Terminology 

 
   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",   
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this   
   document are to be interpreted as described in [RFC2119]. 

3. GMPLS Extensions for the Evolving G.709 - Overview 

   The new features for the evolving OTN are described in the separate 
   ITU-T documents, for example, ODU0, ODU2e,ODU4 are described in 
   [G709-Amd3] and ODU3e1, ODU3e2 are described in [Gsup43] and ODUflex 
   is under being developed in [G709draft-v3]. 

   The new signal types of digital wrapper layer for the evolving OTN 
   are listed as follows: 

      - Optical Channel Transport Unit (OTUk): 

       . OTU4 
       . OTU2e 
       . OTU3e1 
       . OTU3e2 
    
      - Optical Channel Data Unit (ODUk): 

       . ODU0 
       . ODU2e 

 
 
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        . ODU3e1 
        . ODU3e2      
        . ODU4 
        . ODUflex 
    
   A new Tributary Slot (TS) granularity (i.e., 1.25 Gbps) is introduced 
   for ODU0, ODU4, ODU3e2 and ODUflex, so there are two TS granularities 
   for the original ODU1, ODU2, ODU3 because it should keep the 
   compatibility. 

   It also defines the new multiplexing hierarchy for the evolving OTN 
   except that the new signal types are introduced. In addition to the 
   support of ODUk mapping into OTUk (k = 1, 2, 2e, 3, 3e1, 3e2, 4), 
   G.709 supports ODUk multiplexing. For the evolving OTN, the 
   multiplexing of ODUj (j = 0, 1, 2, 2e, 3, flex) into an ODUk (k > j) 
   signal is as follows: 

   -  ODU0 into ODU1 multiplexing 

   -  ODU0, ODU1, ODUflex into ODU2 multiplexing (with 1.25Gbps TS      
      granularity) 

   - ODU1 into ODU2 multiplexing (with 2.5Gbps TS granularity) 

   - ODU0, ODU1, ODU2, ODU2e and ODUflex into ODU3 multiplexing (with 
     1.25Gbps TS granularity) 

   - ODU1, ODU2 into ODU3 multiplexing (with 2.5Gbps TS granularity) 

   - ODU0, ODU1, ODU2, ODU2e, ODU3 and ODUflex into ODU4 multiplexing 
     (with 1.25Gbps TS granularity) 

   - ODU2e into ODU3e1 multiplexing (with 2.5Gbps TS granularity) 

   - ODU2e into ODU3e2 multiplexing (with 1.25Gbps TS granularity) 

   [RFC4328] describes GMPLS signaling extensions to support the control 
   for G.709 Optical Transport Networks (OTN) [ITUT-G709].However, 
   [RFC4328] can not support these new features of the evolving OTN from 
   control plane perspective, and it should be updated or replaced to 
   support the control for the evolving OTN. 

   This document extends the G.709 traffic parameters described in 
   [RFC4328] and also presents a new OTN label format which is very 
   flexible, efficient and understandable. 

 
 
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   Extensions for Traffic Parameters for the Evolving G.709 

   The traffic parameters for G.709 are defined in [RFC4328] as follows: 

    

       0                   1                   2                   3 
      0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 
     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
     |  Signal Type  |   Reserved    |              NMC              | 
     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
     |              NVC              |        Multiplier (MT)        | 
     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
     |                           Reserved                            | 
     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
    

   It is obvious that the Signal Type should be extended to cover the 
   new Signal Type introduced by the evolving OTN. The new Signal Type 
   is extended as follows: 

      Value  Type 
      -----  ---- 
      0      Not significant 
      1      ODU1 (i.e., 2.5 Gbps) 
      2      ODU2 (i.e., 10 Gbps) 
      3      ODU3 (i.e., 40 Gbps) 
      4      ODU4 (i.e., 100 Gbps) 
      5      Reserved (for future use) 
      6      OCh at 2.5 Gbps 
      7      OCh at 10 Gbps 
      8      OCh at 40 Gbps 
      9      OCh at 100 Gbps 
      10~19  Reserved (for future use) 
      20     ODU0 (i.e., 1.25 Gbps) 
      21~30  Reserved (for future use) 
      31     ODU2e (i.e., 10Gbps for FC1200 and GE LAN) 
      32     ODU3e1  
      33     ODU3e2  
      34     ODUflex (i.e., 1.25*N Gbps) 
      35~255 Reserved (for future use) 
    

 
 
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4. Generalized Label 

   [RFC3471] has defined the Generalized Label which extends the 
   traditional label by allowing the representation of not only labels 
   which travel in-band with associated data packets, but also labels 
   which identify time-slots, wavelengths, or space division multiplexed 
   positions. The format of the corresponding RSVP-TE Generalized Label   
   object is defined in the Section 2.3 of [RFC3473]. 

   However, for different technologies, we usually need use specific 
   label rather than the Generalized Label. For example, the label 
   format described in [RFC4606] could be used for SDH/SONET, the label 
   format in [RFC4328] for G.709. 

   According to the ODUk label format defined in [RFC4328], it may have 
   some difficulties in extensibility. When ODU3 maps to ODU4, or 
   ODUflex maps to ODU4, lots of labels are requested, which brings 
   complicated signaling process. For example, when ODU3 is mapped into 
   ODU4 with 1.25G tributary slots, it will need thirty-two labels 
   (32*4*8=1024 bits) to be allocated for one ODU3 connection. If 
   ODUflex into ODU4, it may need eighty labels (80*4*8=2560 bits) to be 
   allocated for one ODUflex connection. 

   In this document, a new ODUk label format is defined. The new ODUk 
   label format is very flexible, efficient and understandable. 

4.1. New definition of ODUk label  

   In order to be compatible with new types of ODU signal and new types 
   of tributary slot, the following new ODUk label format is defined: 

     0                   1                   2                   3 
     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
    | ODUj  |OD(T)Uk| T | Reserved  |           Bit Map             | 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
    |                           .........                           | 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
 
   ODUj and OD(T)Uk (4 bits respectively): indicate that ODUj is 
   multiplexed into ODUk(k>j), or ODUj is mapped into OTUk (j=k). 

   ODUj field    Signal type 
   ----------    ----------- 
      0          ODU0 
 
 
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      1          ODU1 
      2          ODU2 
      3          ODU3 
      4          ODU4 
      5          ODU2e 
      6          ODU3e1 
      7          ODU3e2 
      8-15        Reserved (for future use) 
  
   OD(T)Uk field   Signal type 
   ----------     ----------- 
      0           Reserved (for future use) 
      1           ODU1/OTU1 
      2           ODU2/OTU2 
      3           ODU3/OTU3 
      4           ODU4/OTU4 
      5           OTU2e 
      6           OTU3e1 
      7           OTU3e2 
      8-15        Reserved (for future use) 
    

   T (2 bits): indicates the type of tributary slot of OD(T)Uk. 
   Currently, two types of tributary slot are defined in [G.709], the 
   1.25Gbps tributary slot and the 2.5Gbps tributary slot. 

   T field      TS type 
   -------      -------        
     0          1.25Gbps TS granularity 
     1          2.5Gbps TS granularity 
     2-3        Reserved (for future use) 
    

   Bit Map (variable): indicates which tributary slots in ODUk that the 
   ODUj will be multiplexed into. The sequence of the Bit Map is 
   consistent with the sequence of the tributary slots in ODUk. Each bit 
   in the bit map represents the corresponding tributary slot in ODUk 
   with a value of 1 or 0 indicating whether the tributary slot will be 
   used by ODUj or not.  

   The size of the bit map equals to the total number of the tributary 
   slots of ODUk. 


 
 
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   Padded bits are added behind the Bit Map to make the whole label a 
   multiple of four bytes if necessary. Padded bit MUST be set to 0 and 
   MUST be ignored. 

   In case of an ODUk mapped into OTUk, it's no need to indicate which 
   tributary slots will be used by ODUk, so the size of Bit Map is 0. 

4.2. Examples  

   The following examples are given in order to illustrate the label 
   format described in the previous sections of this document. 

   1. ODUk in OTUk mapping: In such conditions, the downstream node 
      along an LSP returns a label indicating that the ODU1 (ODU2 or 
      ODU3 or ODU4) is directly mapped into the corresponding OTU1 (OTU2 
      or OTU3 or ODU4). The following example label indicates an ODU1 
      mapped into OTU1 with 2.5Gbps TS granularity. 

     0                   1                   2                   3 
     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
    |0 0 0 1|0 0 0 1|0 1| Reserved  |        Padded Bits (0)        | 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
    

   2. ODUj into ODUk multiplexing: In such conditions, this label 
      indicates that an ODUj is multiplexed into several tributary slots 
      of OPUk and then mapped into OTUk. Some instances are shown as 
      follow: 

      - ODU0 into ODU2 Multiplexing: 
 
     0                   1                   2                   3 
     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
    |0 0 0 0|0 0 1 0|0 0| Reserved  |0 1 0 0 0 0 0 0|Padded Bits (0)| 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
 
   This above label indicates an ODU0 multiplexed into the second 
   tributary slot of ODU2, wherein the type of the tributary slot is 
   1.25Gbps. 

 

 
 
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      - ODU1 into ODU2 Multiplexing with 1.25Gbps TS granularity: 

     0                   1                   2                   3 
     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
    |0 0 0 1|0 0 1 0|0 0| Reserved  |0 1 0 1 0 0 0 0|Padded Bits (0)| 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
 
   This above label indicates an ODU1 multiplexed into the 2nd, 4th 
   tributary slot of ODU2, wherein the type of the tributary slot is 
   1.25Gbps. 

 
      - ODU2 into ODU3 Multiplexing with 2.5Gbps TS granularity: 

     0                   1                   2                   3 
     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
    |0 0 1 0|0 0 1 1|0 1| Reserved  |0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0| 
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
 
   This above label indicates an ODU2 multiplexed into the 2nd, 3rd, 5th 
   and 7th tributary slot of ODU3, wherein the type of the tributary 
   slot is 2.5Gbps. 

 
4.3. Label Distribution Procedure 

   This document does not change the existing label distribution 
   procedures [RFC4328] for GMPLS except that the new ODUk label should 
   be processed as follows. 

   When a node receives a generalized label request for setting up an 
   ODUj LSP from its upstream node, the node should generate an ODU 
   label according to the signal type of the requested LSP and the free 
   resources (i.e., free tributary slots of ODUk) that will be reserved 
   for the LSP, and send the label to its upstream node. Note that these 
   labels can also be specified by the source node of the connection.  

   In case of ODUj to ODUk multiplexing, the node should firstly 
   determine the size of the Bit Map field according to the signal type 
   and the tributary slot type of ODUk, and then set the bits to 1 in 
   the Bit Map field corresponding to the reserved tributary slots. 


 
 
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   In case of ODUk to OTUk mapping, the node only needs to fill the ODUj 
   and the ODUk fields with corresponding values in the label. Other 
   bits are reserved and MUST be set to 0. 

   When receiving an ODU label from its downstream node, the node should 
   learn which ODU signal type is multiplexed or mapped into which ODU 
   signal type by analyzing the ODUj and the ODUk fields.  

   In case of ODUj to ODUk multiplexing, the node should firstly 
   determine the size of the Bit Map field according to the signal type 
   and the tributary slot type of ODUk, and then obtain which tributary 
   slots in ODUk are reserved by its downstream node according to the 
   position of the bits that are set to 1 in the Bit Map field, so that 
   the node can multiplex the ODUj into the reserved tributary slots of 
   ODUk after the LSP is established. 

   In case of ODUk to OTUk mapping, the size of Bit Map field is 0 and 
   no additional procedure is needed. 

 
5. Security Considerations 

   TBD. 

6. IANA Considerations 

   TBD. 

7. Acknowledgments 

   TBD. 

8. References 

8.1. Normative References 

   [RFC4328]   D. Papadimitriou, Ed. "Generalized Multi-Protocol Label 
               Switching (GMPLS) Signaling Extensions for G.709 Optical  
               Transport Networks Control", RFC 4328, Jan 2006. 
 
   [RFC3471]   Berger, L., Editor, "Generalized Multi-Protocol Label 
               Switching (GMPLS) Signaling Functional Description",  
               RFC 3471, January 2003. 
 

 
 
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   [RFC3473]  L. Berger, Ed., "Generalized Multi-Protocol Label 
              Switching (GMPLS) Signaling Resource ReserVation 
              Protocol-Traffic Engineering (RSVP-TE) Extensions", RFC 
              3473, January 2003. 
   [RFC3945]   Mannie, E., "Generalized Multi-Protocol Label Switching 
              (GMPLS) Architecture", RFC 3945, October 2004. 
 
 
 
 
8.2. Informative References 

   [ITUT-G709] ITU-T, "Interface for the Optical Transport Network 
               (OTN)," G.709 Recommendation (and Amendment 1), February 
               2001 (October 2001). 
 
   [G709-Amd3] ITU-T, "Interface for the Optical Transport Network 
               (OTN)," G.709 Recommendation Amendment3), December 2008. 
 
   [Gsup43]    ITU-T, " Proposed revision of G.sup43 (for agreement),", 
               December 2008. 
 
   [G709draft-v3]  ITU-T, "Draft revised G.709, version 3,", May 2009. 
    

9. Author's Addresses

   Fatai Zhang
   Huawei Technologies Co., Ltd.
   F3-5-B R&D Center, Huawei Base,
   Bantian, Longgang District
   Shenzhen 518129 P.R.China
   Phone: +86-755-28972912
   Email: zhangfatai@huawei.com
    
    

10. Contributors 

   Yi Lin 
   Huawei Technologies Co., Ltd. 
   F3-5-B R&D Center, Huawei Base, 
 
 
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   Bantian, Longgang District 
   Shenzhen 518129 P.R.China 
   Phone: +86-755-28972914 
   Email: linyi_hw@huawei.com 
    
   Yunbin Xu 
   China Academy of Telecommunication Research of MII 
   11 Yue Tan Nan Jie Beijing, P.R.China  
   Phone: +86-10-68094134 
   Email: xuyunbin@mail.ritt.com.cn 
    
   Guoying Zhang 
   China Academy of Telecommunication Research of MII 
   11 Yue Tan Nan Jie Beijing, P.R.China 
   Phone: +86-10-68094272 
   Email: zhangguoying@mail.ritt.com.cn 
    

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Date: Mon, 06 Jul 2009 09:05:55 -0400
From: Lou Berger <lberger@labn.net>
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Subject: [CCAMP] [Fwd: I-D Action:draft-berger-ccamp-assoc-info-00.txt]
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FYI - This is in response to the discussion on LSP association that has
taken place at the last couple of meetings.

Lou (as individual contributor)

-------- Original Message --------
Subject: I-D Action:draft-berger-ccamp-assoc-info-00.txt
Date: Mon,  6 Jul 2009 05:15:01 -0700 (PDT)
From: Internet-Drafts@ietf.org
Reply-To: internet-drafts@ietf.org
To: i-d-announce@ietf.org

A New Internet-Draft is available from the on-line Internet-Drafts
directories.

	Title           : On the association of GMPLS Recovery LSPs
	Author(s)       : L. Berger
	Filename        : draft-berger-ccamp-assoc-info-00.txt
	Pages           : 10
	Date            : 2009-07-06

End-to-End and Segment Recovery are defined for GMPLS (Generalized
Multi-Protocol Label Switching) controlled label switched paths
(LSPs) in RFC 4872 and RFC 4873 respectively.  Both definitions use
the ASSOCIATION object to associate recovery LSPs with the LSP they
are protecting.  This document provides additional narrative on how
such associations are to be identified.  This document does not
define any new procedures or mechanisms and is strictly informative
in nature.  It may not be obvious to the informed reader why this
document is necessary.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-berger-ccamp-assoc-info-00.txt

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

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implementation to automatically retrieve the ASCII version of the
Internet-Draft.


From lberger@labn.net  Mon Jul  6 08:49:13 2009
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Date: Mon, 06 Jul 2009 11:48:11 -0400
From: Lou Berger <lberger@labn.net>
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Cc: ccamp@ietf.org, iesg-secretary@ietf.org
Subject: [CCAMP] Please publish: draft-ietf-ccamp-mpls-graceful-shutdown-10.txt
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Proto-write-up for:	draft-ietf-ccamp-mpls-graceful-shutdown-10.txt
Intended status: 	Informational

>(1.a)  Who is the Document Shepherd for this document?  Has the
>       Document Shepherd personally reviewed this version of the
>       document and, in particular, does he or she believe this
>       version is ready for forwarding to the IESG for publication?

Lou Berger is the Document Shepherd.

He has reviewed the document and believe this version is ready for
publication at the intended status.

>(1.b)  Has the document had adequate review both from key WG members
>       and from key non-WG members?  Does the Document Shepherd have
>       any concerns about the depth or breadth of the reviews that
>       have been performed?

The document has received adequate review and discussion.  It has been
significantly revised to be consistent with WG opinion and other related
activities in the IETF including in the MPLS WG.

>(1.c)  Does the Document Shepherd have concerns that the document
>       needs more review from a particular or broader perspective,
>       e.g., security, operational complexity, someone familiar with
>       AAA, internationalization, or XML?

No.

>(1.d)  Does the Document Shepherd have any specific concerns or
>       issues with this document that the Responsible Area Director
>       and/or the IESG should be aware of?

No.

> For example, perhaps he
>       or she is uncomfortable with certain parts of the document, or
>       has concerns whether there really is a need for it.  In any
>       event, if the WG has discussed those issues and has indicated
>       that it still wishes to advance the document, detail those
>       concerns here.  Has an IPR disclosure related to this document
>       been filed?  If so, please include a reference to the
>       disclosure and summarize the WG discussion and conclusion on
>       this issue.

Yes.  https://datatracker.ietf.org/ipr/523/.  There has been no
discussion on this in the WG. (Although the WG was informed of the
disclosure.)

>(1.e)  How solid is the WG consensus behind this document?  Does it
>       represent the strong concurrence of a few individuals, with
>       others being silent, or does the WG as a whole understand and
>       agree with it?

Consensus appears to be good.

>(1.f)  Has anyone threatened an appeal or otherwise indicated extreme
>       discontent?  If so, please summarize the areas of conflict in
>       separate email messages to the Responsible Area Director.  (It
>       should be in a separate email because this questionnaire is
>       entered into the ID Tracker.)

No threats. No discontent.

>(1.g)  Has the Document Shepherd personally verified that the
>       document satisfies all ID nits?  (See
>       http://www.ietf.org/ID-Checklist.html and
>       http://tools.ietf.org/tools/idnits/.)  Boilerplate checks are
>       not enough; this check needs to be thorough.  Has the document
>       met all formal review criteria it needs to, such as the MIB
>       Doctor, media type, and URI type reviews?  If the document
>       does not already indicate its intended status at the top of
>       the first page, please indicate the intended status here.

Yes to all.

>(1.h)  Has the document split its references into normative and
>       informative?

Yes.

> Are there normative references to documents that
>       are not ready for advancement or are otherwise in an unclear
>       state?

No.

> If such normative references exist, what is the
>       strategy for their completion?  Are there normative references
>       that are downward references, as described in [RFC3967]?  If
>       so, list these downward references to support the Area
>       Director in the Last Call procedure for them [RFC3967].

No downward references.

>
>(1.i)  Has the Document Shepherd verified that the document's IANA
>       Considerations section exists and is consistent with the body
>       of the document?  If the document specifies protocol
>       extensions, are reservations requested in appropriate IANA
>       registries?  Are the IANA registries clearly identified?  If
>       the document creates a new registry, does it define the
>       proposed initial contents of the registry and an allocation
>       procedure for future registrations?  Does it suggest a
>       reasonable name for the new registry?  See [RFC2434].  If the
>       document describes an Expert Review process, has the Document
>       Shepherd conferred with the Responsible Area Director so that
>       the IESG can appoint the needed Expert during IESG Evaluation?

Not applicable.

>(1.j)  Has the Document Shepherd verified that sections of the
>       document that are written in a formal language, such as XML
>       code, BNF rules, MIB definitions, etc., validate correctly in
>       an automated checker?

Yes, no checks needed.

>(1.k)  The IESG approval announcement includes a Document
>       Announcement Write-Up.  Please provide such a Document
>       Announcement Write-Up.  Recent examples can be found in the
>       "Action" announcements for approved documents.  The approval
>       announcement contains the following sections:
>
>       Technical Summary
>          Relevant content can frequently be found in the abstract
>          and/or introduction of the document.  If not, this may be
>          an indication that there are deficiencies in the abstract
>          or introduction.

   This document explains usage of existing protocol mechanisms to
   support a "Graceful Shutdown" operation.

>From the document abstract:

   MPLS-TE Graceful Shutdown is a method for explicitly notifying
   the nodes in a Traffic Engineering (TE) enabled network that the
   TE capability on a link or on an entire Label Switching Router
   (LSR) is going to be disabled. MPLS-TE graceful shutdown
   mechanisms are tailored toward addressing planned outage in the
   network.

   This document provides requirements and protocol mechanisms to
   reduce/eliminate traffic disruption in the event of a planned
   shutdown of a network resource. These operations are equally
   applicable to both MPLS and its Generalized MPLS (GMPLS)
   extensions.


>       Working Group Summary
>          Was there anything in the WG process that is worth noting?
>          For example, was there controversy about particular points
>          or were there decisions where the consensus was
>          particularly rough?

The document was significantly revised to be in line with
draft-ietf-mpls-gmpls-lsp-reroute.  Much of the WG discussion focused on
this.  Once alignment was agreed upon, there was no significant
disagreements.

>       Document Quality
>          Are there existing implementations of the protocol?  Have a
>          significant number of vendors indicated their plan to
>          implement the specification?  Are there any reviewers that
>          merit special mention as having done a thorough review,
>          e.g., one that resulted in important changes or a
>          conclusion that the document had no substantive issues?  If
>          there was a MIB Doctor, Media Type, or other Expert Review,
>          what was its course (briefly)?  In the case of a Media Type
>          Review, on what date was the request posted?
>


There are no known implementations or planned implementations of this
work.

>       Personnel
>          Who is the Document Shepherd for this document?

Lou Berger.
> Who is the
>          Responsible Area Director?

Adrian Farrel (to be confirmed)

> If the document requires IANA
>          experts(s), insert 'The IANA Expert(s) for the registries
>          in this document are <TO BE ADDED BY THE AD>.'
>

None needed.

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=0A=0A=0ANetwork Working Group                                             =
 X. Fu=0AInternet-Draft                                                    =
 M. Ke=0AIntended status: Standards Track                                  =
Y. Bao=0AExpires: January 7, 2010                                 ZTE Corpo=
ration=0A                                                            July 6=
, 2009=0A=0A=0AGeneralized Multi-Protocol Label Switching (GMPLS) Signaling=
 Extensions=0A  for G.709 Amendment3 and G.sup43 Optical Transport Networks=
 Control=0A         draft-fuxh-ccamp-gmpls-extension-for-evolutive-otn-01=
=0A=0AStatus of this Memo=0A=0A   This Internet-Draft is submitted to IETF =
in full conformance with the=0A   provisions of BCP 78 and BCP 79.=0A=0A   =
Internet-Drafts are working documents of the Internet Engineering=0A   Task=
 Force (IETF), its areas, and its working groups.  Note that=0A   other gro=
ups may also distribute working documents as Internet-=0A   Drafts.=0A=0A  =
 Internet-Drafts are draft documents valid for a maximum of six months=0A  =
 and may be updated, replaced, or obsoleted by other documents at any=0A   =
time.  It is inappropriate to use Internet-Drafts as reference=0A   materia=
l or to cite them other than as "work in progress."=0A=0A   The list of cur=
rent Internet-Drafts can be accessed at=0A   http://www.ietf.org/ietf/1id-a=
bstracts.txt.=0A=0A   The list of Internet-Draft Shadow Directories can be =
accessed at=0A   http://www.ietf.org/shadow.html.=0A=0A   This Internet-Dra=
ft will expire on January 7, 2010.=0A=0ACopyright Notice=0A=0A   Copyright =
(c) 2009 IETF Trust and the persons identified as the=0A   document authors=
.  All rights reserved.=0A=0A   This document is subject to BCP 78 and the =
IETF Trust's Legal=0A   Provisions Relating to IETF Documents in effect on =
the date of=0A   publication of this document (http://trustee.ietf.org/lice=
nse-info).=0A   Please review these documents carefully, as they describe y=
our rights=0A   and restrictions with respect to this document.=0A=0AAbstra=
ct=0A=0A   This document updates the "draft-ke-ccamp-gmpls-odu0-00.txt".  I=
t=0A=0A=0A=0AFu, et al.               Expires January 7, 2010              =
  [Page 1]=0A=0C=0AInternet-Draft      GMPLS Extension for Evolutive OTN   =
       July 2009=0A=0A=0A   describes the extensions of GMPLS signaling to =
control Optical=0A   Transport Networks (OTN) including ODU0, ODU1, ODU2, O=
DU2e, ODU3,=0A   ODU3e1, ODU3e2, ODU4 and ODUflex.  It also covers the inte=
rworking of=0A   control plane between pre-G.709 controlling and G.709 Amen=
dment3=0A   controlling.=0A=0A=0ATable of Contents=0A=0A   1.  Introduction=
 . . . . . . . . . . . . . . . . . . . . . . . . .  3=0A     1.1.  Conventi=
ons Used in This Document  . . . . . . . . . . . .  3=0A   2.  GMPLS Extens=
ion for G.709 Amendment3 and G.sup43-Overview  . .  3=0A   3.  Generalized =
Label Request  . . . . . . . . . . . . . . . . . .  4=0A     3.1.  Traffic =
Parameters . . . . . . . . . . . . . . . . . . . .  4=0A       3.1.1.  Sign=
al Type (ST) . . . . . . . . . . . . . . . . . . .  4=0A       3.1.2.  Numb=
er of Multiplexed Components (NMC) . . . . . . . .  5=0A   4.  Backward Com=
patibility Considerations  . . . . . . . . . . . .  6=0A   5.  Generalized =
Label  . . . . . . . . . . . . . . . . . . . . . .  8=0A     5.1.  Label Sp=
ace  . . . . . . . . . . . . . . . . . . . . . . .  8=0A     5.2.  Label Di=
stribution Rules . . . . . . . . . . . . . . . . . 13=0A     5.3.  Calculat=
ion of Label Number for ODUflex  . . . . . . . . . 13=0A     5.4.  Example =
of Generalized Label . . . . . . . . . . . . . . . 13=0A   6.  Interworking=
 Considerations  . . . . . . . . . . . . . . . . . 19=0A   7.  Control of O=
DUflex resizing  . . . . . . . . . . . . . . . . . 21=0A   8.  Contributors=
 . . . . . . . . . . . . . . . . . . . . . . . . . 21=0A   9.  Security Con=
siderations  . . . . . . . . . . . . . . . . . . . 21=0A   10. IANA Conside=
rations  . . . . . . . . . . . . . . . . . . . . . 21=0A   11. Acknowledgme=
nts  . . . . . . . . . . . . . . . . . . . . . . . 21=0A   12. Normative Re=
ferences . . . . . . . . . . . . . . . . . . . . . 21=0A   Authors' Address=
es . . . . . . . . . . . . . . . . . . . . . . . . 22=0A=0A=0A=0A=0A=0A=0A=
=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0AFu, et al.               Expir=
es January 7, 2010                [Page 2]=0A=0C=0AInternet-Draft      GMPL=
S Extension for Evolutive OTN          July 2009=0A=0A=0A1.  Introduction=
=0A=0A   This document describes the extensions of GMPLS signaling to contr=
ol=0A   Optical Transport Networks (OTN) including ODU0, ODU1, ODU2, ODU2e,=
=0A   ODU3, ODU3e1, ODU3e2, ODU4 and ODUflex.  It also covers the=0A   inte=
rworking of control plane between pre-G.709 controlling and G.709=0A   Amen=
dment3 controlling.  The control of ODUflex resizing is for=0A   further st=
udy.=0A=0A1.1.  Conventions Used in This Document=0A=0A   The key words "MU=
ST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",=0A   "SHOULD", "SHOULD N=
OT", "RECOMMENDED", "MAY", and "OPTIONAL" in this=0A   document are to be i=
nterpreted as described in [RFC2119].=0A=0A=0A2.  GMPLS Extension for G.709=
 Amendment3 and G.sup43-Overview=0A=0A   The concept of Lower Order (LO) OD=
Uk and High Order (HO) ODUk in the=0A   G.709 Amendment3 multiplex hierarch=
y is introduced as same=0A   information structures but with different clie=
nt signals.  LO-ODUk=0A   can be considered as the service layer and the HO=
-ODUk can be=0A   considered as the Tunnel Layer.  LO-ODUk can be multiplex=
ed into the=0A   HO-ODUk or can be mapped directly to OTUk layer.=0A=0A   T=
he LO-ODUk into HO-ODUk multiplexing and OCh into OMSn multiplexing=0A   pr=
ovide a two stage multiplexing capability.  ODU0 are to be=0A   transported=
 over ODUk (k=3D1,2,3,4) and ODU2e are to be transported=0A   over ODUk ( k=
=3D3,3e1,3e2,4).=0A=0A   The ability to accommodate any client bit rate int=
o a variable bit=0A   rate LO-ODU and map into any number of Tributary Slot=
s of HO-ODU i.e.=0A   being agnostic to the service bit rate and provide fl=
exibility to the=0A   mapping process creates a future proof multi service =
OTN evolution.=0A   ODUflex is a LO-ODU that enhances bit transparent trans=
port over OTN.=0A   It can be of any rate of ODU0 rate or higher and has a =
generic=0A   capacity.=0A=0A   GMPLS signaling extensions for pre-G.709 has=
 been described in=0A   [RFC4328].  It extended the Generalized Label Reque=
st, the=0A   Generalized Label and Traffic Parameter.  This document give m=
ore=0A   extension for the G.709 Amendment3 and G.sup43.  It covers the=0A =
  Generalized Label, Traffic Parameters.  It also give some=0A   considerat=
ion about the interworking of control plane between pre-=0A   G.709 control=
ling and G.709 Amendment3 controlling.=0A=0A   To support the application o=
f ODU0, ODU1, ODU2, ODU2e, ODU3, ODU3e1,=0A   ODU3e2 and ODU4, the extensio=
ns based on [RFC4328] are needed.  The=0A=0A=0A=0AFu, et al.               =
Expires January 7, 2010                [Page 3]=0A=0C=0AInternet-Draft     =
 GMPLS Extension for Evolutive OTN          July 2009=0A=0A=0A   first exte=
nsion defines signal Type of these ODUk in G.709 Traffic=0A   Parameters.  =
The second extension provides the compatible definition=0A   of ODUk Label.=
=0A=0A   ODUflex should be more further study in the future (e.g., Control =
of=0A   ODUflex resizing).=0A=0A=0A3.  Generalized Label Request=0A=0A   [R=
FC4328] extends the LSP Encoding Type, the Switching Type, and=0A   G-PID (=
Generalized-PID) values to accommodate G.709 Recommendation=0A   [ITUT-G.70=
9].  Signaling of ODU0, ODU1, ODU2e, ODU4, ODUflex, ODU3e1=0A   and ODU3e2 =
LSP must comply with these extensions.  Additional LSP=0A   Encoding Type c=
ode-point for the OTN Digital Path layer must be used=0A   for these new OD=
Uk types LSP and their switching types belong to the=0A   TDM class.=0A=0A =
  G.709 Amendment3 clarifies that the layer stack of the OTN contains a=0A =
  Lover Order ODU layer in which each LO-ODU signal carries a customer=0A  =
 service instance, and a Higher Order ODU layer in which each HO-ODU=0A   s=
ignal carries a multiplex of LO-ODU signals.  But the Encoding Types=0A   o=
f LO and HO layer are aslo G.709 ODUk (Digital Path) which is=0A   defined =
in [RFC4328].=0A=0A   When the client payload is transported over the Optic=
al Channel=0A   layer, [RFC4328] defines the Generalized-PID with respect t=
o the LSP=0A   Encoding Type for G.709 OTUk at 2.5, 10, 40 Gbps.  This G-PI=
D type=0A   should be extended to support the transport of Digital Section =
at=0A   100G Gbps.=0A=0A3.1.  Traffic Parameters=0A=0A   G.709 traffic para=
meters has been defined in [RFC4328].  The=0A   backwards compatibility mus=
t be considered.  Backwards compatibility=0A   considerations for each feat=
ure will be covered in this document.=0A   The definition of Number of Virt=
ual Components (NVC) and Multiplier=0A   (MT) is same as [RFC4328]=0A=0A3.1=
.1.  Signal Type (ST)=0A=0A   Pre-G.709 defines the OPU2 and OPU3 with 2.5G=
 tributary slots=0A   multiplex structure.  G.709 Amendment3 defines the OP=
U1, OPU2, OPU3,=0A   OPU4 with 1.25G tributary slots multiplex structure.  =
G.sup43 defines=0A   the OPU3e1 with 2.5G tributary slots multiplex structu=
re and OPU3e2=0A   with 1.25G tributary slots multiplex structure.=0A=0A   =
Following is the Signal Type extended for G.709 Amendment3 and=0A=0A=0A=0AF=
u, et al.               Expires January 7, 2010                [Page 4]=0A=
=0C=0AInternet-Draft      GMPLS Extension for Evolutive OTN          July 2=
009=0A=0A=0A   G.sup43.  Values from 0 to 8 are defined in [RFC4328].  The =
size of=0A   OPU2 and OPU3 tributary slots which are define in [RFC4328] is=
 2.5G.=0A   Other new Signal Types are extended for G.709 Amendment3 and G.=
sup43.=0A=0A=0A   Value  Type=0A   -----  ----=0A   0      Not significant=
=0A   1      ODU1 (i.e., 2.5 Gbps)=0A   2      ODU2 (i.e., 10  Gbps) /*The =
size of OPU2 TS is 2.5G*/=0A   3      ODU3 (i.e., 40  Gbps) /*The size of O=
PU3 TS is 2.5G*/=0A   4      Reserved (for future use)=0A   5      Reserved=
 (for future use)=0A   6      OCh at 2.5 Gbps=0A   7      OCh at 10  Gbps=
=0A   8      OCh at 40  Gbps=0A   9      OCh at 100 Gbps=0A   10     ODU0=
=0A   11     ODU1    /*The size of OPU1 TS is 1.25G*/=0A   12     ODU2    /=
*The size of OPU2 TS is 1.25G*/=0A   13     ODU3    /*The size of OPU3 TS i=
s 1.25G*/=0A   14     ODU4    /*The size of OPU4 TS is 1.25G*/=0A   15     =
ODU2e   /*10Gbps for FC1200 and GE LAN */=0A   16     ODU3e1  /*The size of=
 OPU3e1 TS is 2.5G */=0A   17     ODU3e2  /*The size of OPU3e2 TS is 1.25G =
*/=0A   18     ODUflex /*The size of OPU2/OPU3/OPU4 TS is 1.25G */=0A   19 =
    ODUflex /*The size of OPU2/OPU3 TS is 2.5G */=0A   20-255 Reserved (for=
 future use)=0A=0A3.1.2.  Number of Multiplexed Components (NMC)=0A=0A   Th=
e NMC values difined for G.709 Amendment3 and G.sup43 are as=0A   follows:=
=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0AFu, et al.        =
       Expires January 7, 2010                [Page 5]=0A=0C=0AInternet-Dra=
ft      GMPLS Extension for Evolutive OTN          July 2009=0A=0A=0A   NMC=
  Description=0A   ---  -----------=0A   1    ODU0 is mapped into 1.25G tri=
butary slots of OPU1.=0A   1    ODU0 is mapped into 1.25G tributary slots o=
f OPU2.=0A   1    ODU0 is mapped into 1.25G tributary slots of OPU3.=0A   1=
    ODU0 is mapped into 1.25G tributary slots of OPU4.=0A   2    ODU1 is ma=
pped into 1.25G tributary slots of OPU2.=0A   2    ODU1 is mapped into 1.25=
G tributary slots of OPU3.=0A   2    ODU1 is mapped into 1.25G tributary sl=
ots of OPU4.=0A   8    ODU2 is mapped into 1.25G tributary slots of OPU3.=
=0A   8    ODU2 is mapped into 1.25G tributary slots of OPU4.=0A   9    ODU=
2e is mapped into 1.25G tributary slots of OPU3.=0A   8    ODU2e is mapped =
into 1.25G tributary slots of OPU3e2.=0A   8    ODU2e is mapped into 1.25G =
tributary slots of OPU4.=0A   32   ODU3 is mapped into 1.25G tributary slot=
s of OPU4.=0A   1-8  ODUflex is mapped into 1.25G tributary slots of OPU2.=
=0A   1-32 ODUflex is mapped into 1.25G tributary slots of OPU3.=0A   1-80 =
ODUflex is mapped into 1.25G tributary slots of OPU4.=0A=0A   1    ODU1 is =
mapped into 2.5G tributary slots of OPU2.=0A   1    ODU1 is mapped into 2.5=
G tributary slots of OPU3.=0A   4    ODU2 is mapped into 2.5G tributary slo=
ts of OPU3.=0A   5    ODU2e is mapped into 2.5G tributary slots of OPU3.=0A=
   4    ODU2e is mapped into 2.5G tributary slots of OPU3e1.=0A   1-4  ODUf=
lex is mapped into 2.5G tributary slots of OPU2.=0A   1-16 ODUflex is mappe=
d into 2.5G tributary slots of OPU3.=0A=0A=0A4.  Backward Compatibility Con=
siderations=0A=0A   Equipment supporting a 1.25G TS structure for OPU2 or O=
PU3 must be=0A   backward compatible with equipment which supports only the=
 2.5G TS=0A   structure.  Also, the extension defined in this document is b=
ackward=0A   compatible with [RFC4328] for ODU1, ODU2 and ODU3.  So the ext=
ension=0A   defined in this document is a supplement and extension of [RFC4=
328].=0A=0A   In terms of G.709 Amendment3, a one-byte payload type signal =
is=0A   defined in the PSI[0] byte of the payload structure identifier to=
=0A   indicate the composition of the OPUk signal.  The code points can=0A =
  differentiate whether the ODU multiplex structure supports 2.5G=0A   trib=
utary slots or 1.25G tributary slots.  Also, in order to be=0A   backward c=
ompatible with [RFC4328] for ODU1, ODU2 and ODU3, it needs=0A   the Signal =
Type charactering the ODU multiplex structure to=0A   differentiate the siz=
e of tributary slots and the Generalized Label=0A   format.=0A=0A   When a =
downstream (upstream)node receive Path (Resv) message in which=0A   Signal =
Type (i.e., ODU1, ODU2 or ODU3) characters ODU multiplex=0A=0A=0A=0AFu, et =
al.               Expires January 7, 2010                [Page 6]=0A=0C=0AI=
nternet-Draft      GMPLS Extension for Evolutive OTN          July 2009=0A=
=0A=0A   structure supporting 2.5G tributary slots, it must identifies the=
=0A   Generalized Label format based on [RFC4328].=0A=0A   When a downstrea=
m (upstream) node receive Path (Resv) message in=0A   which Signal Type (i.=
e., ODU1, ODU2 or ODU3) characters ODU multiplex=0A   structure supporting =
1.25G tributary slots, it must identifies the=0A   Generalized Label format=
 based on this document.=0A=0A   Following is a example of backward compati=
bility for ODU1, ODU2 and=0A   ODU3.  For instance, we need to setup a ODU1=
 (2.5G bandwidth) LSP=0A   between node 1 and nodes 3.  Node 2 must identif=
y the Generalized=0A   Label format based on [RFC4328] after receiving the =
Path message.=0A   Node 2 must identify the Generalized Label format based =
on this=0A   document after receiving the Resv message.  In other hand, nod=
e 3=0A   must identify the Generalized Label format based on this document.=
=0A=0A=0A=0A      +---+    OTU3 (16*2.5G)    +---+     OTU3(32*1.25G)   +--=
-+=0A   ---| 1 |----------------------| 2 |----------------------| 3 |---=
=0A      +---+                      +---+                      +---+=0A    =
       --------------------->     ---------------------->=0A         Path(S=
ignal Type=3D1)          Path(Signal Type=3D11)=0A=0A           <----------=
-----------     <----------------------=0A         Resv(Signal type=3D1)   =
       Resv(Signal type=3D11)=0A=0A=0A=0A      +---+    OTU2 (4*2.5G)     +=
---+     OTU2(8*1.25G)    +---+=0A   ---| 1 |----------------------| 2 |---=
-------------------| 3 |---=0A      +---+                      +---+       =
               +---+=0A           --------------------->     --------------=
-------->=0A         Path(Signal Type=3D1)          Path(Signal Type=3D11)=
=0A=0A           <---------------------    <----------------------=0A      =
   Resv(Signal type=3D1)          Resv(Signal type=3D11)=0A=0A=0A      +---=
+      OTU1 (2.5G)     +---+      OTU1(2*1.25G)   +---+=0A   ---| 1 |------=
----------------| 2 |----------------------| 3 |---=0A      +---+          =
            +---+                      +---+=0A           -----------------=
---->     ---------------------->=0A         Path(Signal Type=3D1)         =
 Path(Signal Type=3D11)=0A=0A           <---------------------     <-------=
---------------=0A         Resv(Signal type=3D1)          Resv(Signal type=
=3D11)=0A=0A=0A=0A=0AFu, et al.               Expires January 7, 2010      =
          [Page 7]=0A=0C=0AInternet-Draft      GMPLS Extension for Evolutiv=
e OTN          July 2009=0A=0A=0A                      Backward Compatibili=
ty Scenario=0A=0A   Control plane designed for G.709 Amendment3 and G.sup43=
 should have=0A   the ability to synchronously process the different Genera=
lized Label=0A   format of ODU2 and ODU3 defined in [RFC4328] and this docu=
ment.  The=0A   Generalized Label format is identified by the Signal Type i=
n Traffic=0A   Parameters.=0A=0A   When a downstream node receive Path mess=
age in which Signal Type is=0A   ODU0, ODU2e, ODUflex, ODU4, ODU3e1 or ODU3=
e2, it must identifies the=0A   Generalized Label format based on this docu=
ment.=0A=0A   If one node receives a Path message in which the Signal Type=
=0A   characters the ODU multiplex structure, it must check the local=0A   =
mapping capability.  If it can not support this ODU multiplex=0A   structur=
e, the Path message will be terminated, and a PathErr message=0A   with a "=
Traffic Control Error/Service unsupported" indication will be=0A   generate=
d.=0A=0A=0A5.  Generalized Label=0A=0A5.1.  Label Space=0A=0A   G.709 Amend=
ment3 has been added many different client payload bit=0A   rates which are=
 mainly based on Gigabit Ethernet.  An Optical Data=0A   Unit (ODU) frame h=
as been defined for each of these bit rates.  ODUk=0A   refers to the frame=
 at bit rate k, where k =3D 0 (for 1.2G Gbps which=0A   is sepecially intro=
duced for GE client signal), 1 (for 2.5 Gbps CBR),=0A   2 (for 10 Gbps incl=
uding CBR and GE LAN), 2e (also for 10 Gbps which=0A   is sepecially introd=
uced for FC1200 and GE LAN client signal), 3 (for=0A   40 Gbps including CB=
R and GE) or 4 (for 100 Gbps which is sepecially=0A   introduced for GE cli=
ent signal).  ODU0 can be mapped into ODU1,=0A   ODU2, ODU3, ODU4.  ODU1, O=
DU2 and ODU3 can be mapped into ODU4.=0A   ODU2e can be mapped into ODU3, O=
DU3e1, ODU3e2 and ODU4.  ODU1 can be=0A   is mapped into 1.25G tributary sl=
ots of OPU2 and OPU3.  ODU2 can be=0A   is mapped into 1.25G tributary slot=
s of OPU3.=0A=0A   The ODUflex can be used for CBR clients and for packet c=
lients.  The=0A   existing G.709 mappings for CBR clients into ODU0, 1, 2, =
3 will=0A   continue to be used.  New ODUflex mappings will not be defined =
for=0A   these clients.  The CBR ODUflex rate should be 239/238*client bit=
=0A   rate.  The Packet ODUflex bit rate is based on an incremental number=
=0A   of tributary slots of the ODUk (k=3D2, 3, 4) expected to carry the=0A=
   ODUflex.  The Packet ODUflex rate should be n*1.24416 Gbps+/-20ppm=0A   =
(1<=3Dn<=3D80).  CBR ODUflex and Packet ODUflex are transported by=0A   map=
ping into an integer number of TS of an OPUk (of a High Order=0A   ODUk) fo=
r k>1.  There is no OTUflex.=0A=0A=0A=0AFu, et al.               Expires Ja=
nuary 7, 2010                [Page 8]=0A=0C=0AInternet-Draft      GMPLS Ext=
ension for Evolutive OTN          July 2009=0A=0A=0A   Most Lower Order ODU=
k signals have the same number of tributary slots=0A   in all High Order OD=
Uk(i.e.  HO OPUk signals).  There are however a=0A   few exceptions; the mo=
st well known is LO ODU2e (i.e.  LO ODU=0A   10.399G).  ODU2e fits into 5*2=
.5G tributary slots of OPU3, 9*1.25G=0A   tributary slots of OPU3, or 8*1.2=
5G tributary slots of OPU4.=0A=0A   Following is the ODUk label format for =
the G.709 Amendment3 and=0A   G.sup43.=0A=0A=0A    0                   1   =
                2                   3=0A    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5=
 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1=0A   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+-+-+-+-+=0A   |    reserve    |       t4        |      =
t3       |    t2   |t1 |=0A   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+=0A=0A          Figure 1: Label Format for G.709 Amendm=
ent3 and G.sup43=0A=0A   The specification of the fields t1, t2, t3 and t4 =
self-consistently=0A   characterizes the ODUk label space.  The value space=
 for the t1, t2,=0A   t3, t4, t5 and t6 fields is defined as follows:=0A=0A=
   1.  t1 (2-bit):=0A=0A       *  t1=3D[1..2] indicates the tributary slot =
(t1th) used by the ODU0=0A          in an ODTUG1 (via ODTU01) mapped into a=
n ODU1 (via OPU1).=0A          ODU0 is mapped into 1.25G tributary slots of=
 OPU1.=0A=0A       *  t1 is not significant for the other ODUk signal types=
 (i.e.,=0A          t1 value MUST be set to 0 and ignored).=0A=0A   2.  t2 =
(5-bit):=0A=0A       *  t2=3D[1..8] indicates the tributary slot (t2th) use=
d by the ODU0=0A          in an ODTUG2 (via ODTU02) mapped into an ODU2 (vi=
a OPU2).=0A          ODU0 is mapped into 1.25G tributary slots of OPU2.=0A=
=0A       *  t2=3D[9..16] indicates the tributary slot (t2th-8) used by the=
=0A          ODU1 in an ODTUG2 (via ODTU12) mapped into an ODU2 (via OPU2).=
=0A          ODU1 is mapped into 1.25G tributary slots of OPU2.  Two labels=
=0A          need to be allocated for one ODU1 connection.  They may be=0A =
         continuous or non-continuous.=0A=0A       *  t2=3D[17..24] indicat=
es the tributary slot (t2th-16) used by the=0A          ODUflex in an ODTUG=
2 (via ODTU2.ts) mapped into an ODU2 (via=0A          OPU2).  ODUflex is ma=
pped into 1.25G tributary slots of OPU2.=0A          How many labels need t=
o be allocated for one ODUflex=0A          connection is based on transport=
 of a particular physical=0A=0A=0A=0AFu, et al.               Expires Janua=
ry 7, 2010                [Page 9]=0A=0C=0AInternet-Draft      GMPLS Extens=
ion for Evolutive OTN          July 2009=0A=0A=0A          layer client.  T=
he number of label is determined by the NMC=0A          value.  They may be=
 continuous or non-continuous.=0A=0A       *  t2=3D[25..28] indicates the t=
ributary slot (t2th-24) used by the=0A          ODUflex in an ODTUG2 mapped=
 into an ODU2 (via OPU2).  ODUflex=0A          is mapped into 2.5G tributar=
y slots of OPU2.  How many labels=0A          needs to be allocated for one=
 ODUflex connection is based on=0A          transport of a particular physi=
cal layer client.  The number=0A          of label is determined by the NMC=
 value.  They may be=0A          continuous or non-continuous.  This label =
definition may be=0A          removed in the future.=0A=0A       *  t2 is n=
ot significant for the other ODUk signal types (i.e.,=0A          t2 value =
MUST be set to 0 and ignored).=0A=0A       *  t3=3D31 indicates an ODU2e si=
nal that is not further sub-=0A          divided.  Two control planes contr=
olling G.sup43 network=0A          elements which will be interworked shoul=
d base on this=0A          Generalized Label format.=0A=0A   3.  t3 (8-bit)=
:=0A=0A       *  t3=3D[1..32] indicates the tributary slot (t3th) used by t=
he=0A          ODU0 in an ODTUG3 (via ODTU03) mapped into an ODU3 (via OPU3=
).=0A          ODU0 is mapped into 1.25G tributary slots of OPU3.=0A=0A    =
   *  t3=3D[33..64] indicates the tributary slot (t3th-32) used by the=0A  =
        ODU1 in an ODTUG3 (via ODTU13) mapped into an ODU3 (via OPU3).=0A  =
        ODU1 is mapped into 1.25G tributary slots of OPU3.  Two labels=0A  =
        need to be allocated for one ODU1 connection.  They may be=0A      =
    continuous or non-continuous.=0A=0A       *  t3=3D[65..96] indicates th=
e tributary slot (t3th-64) used by the=0A          ODU2 in an ODTUG3 (via O=
DTU23) mapped into an ODU3 (via OPU3).=0A          ODU2 is mapped into 1.25=
G tributary slots of OPU3.  Eight=0A          labels need to be allocated f=
or one ODU2 connection.  They may=0A          be continuous or non-continuo=
us.=0A=0A       *  t3=3D[97..128] indicates the tributary slot (t3th-96) us=
ed by=0A          the ODU2e in an ODTUG3 (via ODTU3.ts) mapped into an ODU3=
 (via=0A          OPU3).  ODU2e is mapped into 1.25G tributary slots of OPU=
3.=0A          Nine labels need to be allocated for one ODU2e connection.=
=0A          They may be continuous or non-continuous.=0A=0A       *  t3=3D=
[129..160] indicates the tributary slot (t3th-128) used by=0A          the =
ODUflex in an ODTUG3 (via ODTU3.ts) mapped into an ODU3=0A          (via OP=
U3).  ODUflex is mapped into 1.25G tributary slots of=0A          OPU3.  Ho=
w many labels needs to be allocated for one ODUflex=0A=0A=0A=0AFu, et al.  =
             Expires January 7, 2010               [Page 10]=0A=0C=0AIntern=
et-Draft      GMPLS Extension for Evolutive OTN          July 2009=0A=0A=0A=
          connection is based on transport of a particular physical=0A     =
     layer client.  The number of label is determined by the NMC=0A        =
  value.  They may be continuous or non-continuous.=0A=0A       *  t3=3D[16=
1..176] indicates the tributary slot (t5th-160) used by=0A          the ODU=
2e in an ODTUG3e1 (via ODTU2e3e1) mapped into an ODU3e1=0A          (via OP=
U3e1).  ODU2e is mapped into 2.5G tributary slots of=0A          OPU3e1.  F=
our labels need to be allocated for one ODU2e=0A          connection.  They=
 may be continuous or non-continuous.=0A=0A          The mapping of ODU2e i=
nto four 2.5G tributary slots is defined=0A          in the non normative G=
.sup43.  Two control planes controlling=0A          G.sup43 network element=
s which will be interworked should base=0A          on this Generalized Lab=
el format.=0A=0A       *  t3=3D[177..202] indicates the tributary slot (t5t=
h-176) used by=0A          the ODU2e in an ODTUG3e2 (via ODTU2e3e2) mapped =
into an ODU3e2=0A          (via OPU3e2).  ODU2e is mapped into 1.25G tribut=
ary slots of=0A          OPU3e2.  Eight labels need to be allocated for one=
 ODU2e=0A          connection.=0A=0A          The mapping of ODU2e into eig=
ht 1.25G tributary slots is=0A          defined in the non normative G.sup4=
3.  Two control planes=0A          controlling G.sup43 network elements whi=
ch will be interworked=0A          should base on this Generalized Label fo=
rmat.=0A=0A       *  t3=3D[203..218] indicates the tributary slot (t3th-202=
) used by=0A          the ODUflex in an ODTUG3 (via ODTU3.ts) mapped into a=
n ODU3=0A          (via OPU3).  ODUflex is mapped into 2.5G tributary slots=
 of=0A          OPU3.  How many labels needs to be allocated for one ODUfle=
x=0A          connection is based on transport of a particular physical=0A =
         layer client.  The number of label is determined by the NMC=0A    =
      value.  They may be continuous or non-continuous.  This label=0A     =
     definition may be removed in the future.=0A=0A       *  t3=3D[219..234=
] indicates the tributary slot (t3th-218) used by=0A          the ODU2e in =
an ODTUG3 (via ODTU2e3)mapped into an ODU3 (via=0A          OPU3).  ODU2e i=
s mapped into 2.5G tributary slots of OPU3.=0A          Five labels need to=
 be allocated for one ODU2e connection.=0A          They may be continuous =
or non-continuous.=0A=0A          The option of mapping clients into 2.5G t=
ributary slots of=0A          ODU3 using GMP would be removed from consider=
ation and from=0A          the draft revised G.709 (resulting in the mappin=
g for ODU2e=0A          into five 2.5G tributary slots would not be support=
ed in=0A          favour of using GMP mapping into nine 1.25G tributary slo=
ts).=0A          So this label definition may be removed in the future.=0A=
=0A=0A=0A=0AFu, et al.               Expires January 7, 2010               =
[Page 11]=0A=0C=0AInternet-Draft      GMPLS Extension for Evolutive OTN    =
      July 2009=0A=0A=0A       *  t3 is not significant for the other ODUk =
signal types (i.e.,=0A          t3 value MUST be set to 0 and ignored).=0A=
=0A   4.  t4 (9-bit):=0A=0A       *  t4=3D1 indicates an ODU4 signal that i=
s not further sub-divided.=0A=0A       *  t4=3D[2..81] indicates the tribut=
ary slot (t4th-1) used by the=0A          ODU0 in an ODTUG4 (via ODTU4.1) m=
apped into an ODU4 (via=0A          OPU4).  ODU0 is mapped into 1.25G tribu=
tary slots of OPU4.=0A=0A       *  t4=3D[82..161] indicates the tributary s=
lot (t4th-81) used by=0A          the ODU1 in an ODTUG4 (via ODTU4.2) mappe=
d into an ODU4 (via=0A          OPU4).  ODU1 is mapped into 1.25G tributary=
 slots of OPU4.=0A          Two labels need to be allocated for one ODU1 co=
nnection.  They=0A          may be continuous or non-continuous.=0A=0A     =
  *  t4=3D[162..241] indicates the tributary slot (t4th-161) used by=0A    =
      the ODU2 in an ODTUG4 (via ODTU4.8) mapped into an ODU4 (via=0A      =
    OPU4).  ODU2 is mapped into 1.25G tributary slots of OPU4.=0A          =
Eight labels need to be allocated for one ODU2 connection.=0A          They=
 may be continuous or non-continuous.=0A=0A       *  t4=3D[242..321] indica=
tes the tributary slot (t4th-241) used by=0A          the ODU2e in an ODTUG=
4 mapped into an ODU4 (via OPU4).  ODU2e=0A          is mapped into 1.25G t=
ributary slots of OPU4.  Eight labels=0A          need to be allocated for =
one ODU2e connection.  They may be=0A          continuous or non-continuous=
.=0A=0A       *  t4=3D[322..401] indicates the tributary slot (t4th-321) us=
ed by=0A          the ODUflex (via ODTU4.ts) in an ODTUG4 mapped into an OD=
U4=0A          (via OPU4).  ODUflex is mapped into 1.25G tributary slots of=
=0A          OPU4.  How many labels needs to be allocated for one ODUflex=
=0A          connection is based on transport of a particular physical=0A  =
        layer client.  The number of label is determined by the NMC=0A     =
     value.  They may be continuous or non-continuous.=0A=0A       *  t4=3D=
[402..481] indicates the tributary slot (t4th-401) used by=0A          the =
ODU3 (via ODTU4.32) in an ODTUG4 mapped into an ODU4 (via=0A          OPU4)=
.  ODU3 is mapped into 1.25G tributary slots of OPU4.=0A          Tirty-two=
 labels need to be allocated for one ODU3 connection.=0A          They may =
be continuous or non-continuous.=0A=0A       *  t4 is not significant for t=
he other ODUk signal types (i.e.,=0A          t4 value MUST be set to 0 and=
 ignored).=0A=0A=0A=0A=0A=0A=0AFu, et al.               Expires January 7, =
2010               [Page 12]=0A=0C=0AInternet-Draft      GMPLS Extension fo=
r Evolutive OTN          July 2009=0A=0A=0A5.2.  Label Distribution Rules=
=0A=0A   It was noted that VCAT is only defined currently for ODU1, ODU2, a=
nd=0A   ODU3.  The draft revision of G.709 Amendment3 will not define VCAT=
=0A   for ODU1, ODU2e and ODU4.  So there is no any necessary extension for=
=0A   the new ODUk signal.  The label distribution rules must be same as=0A=
   [RFC4328].=0A=0A5.3.  Calculation of Label Number for ODUflex=0A=0A   Fo=
r an ODUflex that is based on transport of a particular physical=0A   layer=
 client (e.g., ODU2e) the size of the ODUflex depends on that=0A   client. =
 In general, it is a bit-synchronous mapping of the client=0A   with the OD=
Uflex bit-rate being 239/238 times the bit-rate of the=0A   client. for thi=
s type of ODUflex, the number of tributary slots is=0A   chosen to fit.=0A=
=0A   For example, ODU2e fits into 5*2.5G tributary slots of OPU3 (i.e.,=0A=
   Five labels need to be allocated for one ODUflex connection when=0A   OD=
Uflex is mapped into 2.5G tributary slots of ODU3), 9*1.25G=0A   tributary =
slots of OPU3 (i.e., Nine labels need to be allocated for=0A   one ODUflex =
connection when ODUflex is mapped into 1.25G tributary=0A   slots of OPU3),=
 or 8*1.25G tributary slots of OPU4 (i.e., Eight=0A   labels need to be all=
ocated for one ODUflex connection when ODUflex=0A   is mapped into 1.25G tr=
ibutary slots of OPU4).=0A=0A   For an ODUflex to provide flexibly sized tr=
unks for packet transport,=0A   the granularity is selected to provide a re=
asonably efficient mapping=0A   into tributary slots of high order OPU2, OP=
U3, and OPU4.  A good=0A   choice here seems to be to allow these trunks to=
 be provisioned in=0A   sizes of n*1.24416G+/-20ppm (1<=3Dn<=3D80).  The nu=
mber of labels is from=0A   1 to 80.=0A=0A5.4.  Example of Generalized Labe=
l=0A=0A   The following examples are given in order to illustrate the=0A   =
processing described in this document.=0A=0A   1.   ODU2e in OTU2e mapping =
or ODU4 in OTU4 mapping: when one ODU2e=0A        (ODU4) signal is directly=
 transported in an OTU2e (OTU4),the=0A        upstream node requests result=
s simply in an ODU2e (ODU4) signal=0A        request.=0A=0A        In such =
conditions, the downstream node has to return a unique=0A        label beca=
use the ODU2e (ODU4) is directly mapped into the=0A        corresponding OT=
U2e (OTU4).  Because a single ODUk signal is=0A        requested, the downs=
tream node has to return a single ODUk=0A        label, which can be, for i=
nstance, one of the following:=0A=0A=0A=0AFu, et al.               Expires =
January 7, 2010               [Page 13]=0A=0C=0AInternet-Draft      GMPLS E=
xtension for Evolutive OTN          July 2009=0A=0A=0A       - Signal type=
=3D14, t4=3D1, t3=3D0, t2=3D0, t1=3D0;=0A         indicates a single ODU4 m=
apped into an OTU4=0A=0A       - Signal type=3D15, t4=3D0, t3=3D0, t2=3D31,=
 t1=3D0;=0A         indicates a single ODU2e mapped into an OTU2e=0A=0A   2=
.   ODU0 into ODUk multiplexing (k =3D 1, 2, 3 or 4): when one ODU0 is=0A  =
      multiplexed into the payload of a structured ODU1 (ODU2, ODU3 or=0A  =
      ODU4), the upstream node requests results simply in an ODU0=0A       =
 signal request.=0A=0A        In such conditions, the downstream node has t=
o return a unique=0A        label because the ODU0 is multiplexed into one =
ODTUG1 (ODTUG2,=0A        ODTUG3 or OTDUG4).  The latter is then mapped int=
o the ODU1=0A        (ODU2, ODU3 or ODU4) via OPU1 (OPU2, OPU3 or OPU4) and=
 then=0A        mapped into the corresponding OTU1 (OTU2, OTU3 or OTU4).=0A=
        Because a single ODU0 multiplexed signal is requested (Signal=0A   =
     Type =3D 10 and NMC =3D 1), the downstream node has to return a=0A    =
    single ODU0 label, which can take, for instance, one of the=0A        f=
ollowing values:=0A=0A       - t4=3D0, t3=3D0, t2=3D0, t1=3D2;=0A         i=
ndicates the ODU0 in the 1st TS of the ODTUG1=0A=0A       - t4=3D0, t3=3D0,=
 t2=3D5, t1=3D0;=0A         indicates the ODU0 in the 4th TS of the ODTUG2=
=0A=0A       - t4=3D0, t3=3D27, t2=3D0, t1=3D0;=0A         indicates the OD=
U0 in the 26th TS of the ODTUG3=0A=0A       - t4=3D69, t3=3D0, t2=3D0, t1=
=3D0;=0A         indicates the ODU0 in the 68th TS of the ODTUG4=0A=0A   3.=
   ODU1 into 1.25G tributary slots of OPUk (k =3D 2, 3, 4)=0A        multip=
lexing: when one ODU1 is multiplexed into the payload of a=0A        struct=
ured ODU2 (ODU3 or ODU4), the upstream node requests=0A        results simp=
ly in an ODU1 signal request.=0A=0A        In such conditions, the downstre=
am node has to return two labels=0A        because the ODU1 is multiplexed =
into one ODTUG2 (ODTUG3 or=0A        ODTUG4).  The latter is then mapped in=
to the ODU2 (ODU3 or ODU4)=0A        via OPU2 (OPU3 or OPU4) and then mappe=
d into the corresponding=0A        OTU2 (OTU3 or OTU4).  Because a single O=
DU1 multiplexed signal=0A        is requested (Signal Type =3D 11 and NMC =
=3D 2), the downstream node=0A        has to return two ODU1 labels, which =
can take, for instance, the=0A        following values:=0A=0A=0A=0A=0A=0AFu=
, et al.               Expires January 7, 2010               [Page 14]=0A=
=0C=0AInternet-Draft      GMPLS Extension for Evolutive OTN          July 2=
009=0A=0A=0A       - t4=3D0, t3=3D0, t2=3D14, t1=3D0;=0A         indicates =
the ODU1 in the 5th 1.25G TS of the ODTUG2=0A=0A         or=0A=0A       - t=
4=3D0, t3=3D59, t2=3D0, t1=3D0;=0A         indicates the ODU1 in the 26th 1=
.25G TS of the ODTUG3=0A=0A         or=0A=0A       - t4=3D83, t3=3D0, t2=3D=
0, t1=3D0;=0A         indicates the ODU1 in the 1st 1.25G TS of the ODTUG4=
=0A=0A   4.   ODU2 into 1.25G tributary slots of OPU3: when one ODU2 is=0A =
       multiplexed into the payload of a structured ODU3, the upstream=0A  =
      node requests results simply in an ODU2 signal request.=0A=0A        =
In such conditions, the downstream node has to return eight=0A        label=
s because the ODU2 is multiplexed into one ODTUG3.  The=0A        latter is=
 then mapped into the ODU3 via OPU3 and then mapped=0A        into the corr=
esponding OTU3.  Because a single ODU1 multiplexed=0A        signal is requ=
ested (Signal Type =3D 12 and NMC =3D 8), the=0A        downstream node has=
 to return eight ODU2 labels, which can take,=0A        for instance, the f=
ollowing values:=0A=0A       - t4=3D0, t3=3D68, t2=3D0, t1=3D0;=0A         =
indicates the ODU1 in the 3rd 1.25G TS of the ODTUG3=0A=0A       - t4=3D0, =
t3=3D74, t2=3D0, t1=3D0;=0A         indicates the ODU1 in the 9th 1.25G TS =
of the ODTUG3=0A=0A       - t4=3D0, t3=3D83, t2=3D0, t1=3D0;=0A         ind=
icates the ODU1 in the 18th 1.25G TS of the ODTUG3=0A=0A   5.   ODU2/ODU2e =
into ODU4 multiplexing: when one ODU2 (or ODU2e) is=0A        multiplexed i=
nto the payload of a structured ODU4, the upstream=0A        node requests =
results simply in an ODU2 (or ODU2e) signal=0A        request.=0A=0A       =
 In such conditions, the downstream node has to return eight=0A        labe=
ls because the ODU2 (ODU2e) is multiplexed into one ODTUG4.=0A        The l=
atter is then mapped into the ODU4 via OPU4 and then mapped=0A        into =
the corresponding OTU4.  Because a single ODU2 (or ODU2e)=0A        multipl=
exed signal is requested (Signal Type =3D 12 and NMC =3D 8 or=0A        Sig=
nal Type =3D 15 and NMC =3D 8), the downstream node has to return=0A       =
 eight ODU2 (or ODU2e) labels, one of which can take, for=0A        instanc=
e, the following values:=0A=0A=0A=0A=0AFu, et al.               Expires Jan=
uary 7, 2010               [Page 15]=0A=0C=0AInternet-Draft      GMPLS Exte=
nsion for Evolutive OTN          July 2009=0A=0A=0A       - Signal type=3D1=
2, t4=3D183, t3=3D0, t2=3D0, t1=3D0;=0A         indicates the ODU2 in the 2=
1st TS of the ODTUG4=0A=0A       - Signal type=3D15, t4=3D321, t3=3D0, t2=
=3D0, t1=3D0;=0A         indicates the ODU2e in the 79th TS of the ODTUG4=
=0A=0A   6.   ODU3 into ODU4 multiplexing: when one ODU3 is multiplexed int=
o=0A        the payload of a structured ODU4, the upstream node requests=0A=
        results simply in an ODU3 signal request.=0A=0A        In such cond=
itions, the downstream node has to return thirty-two=0A        labels becau=
se the ODU3 is multiplexed into one ODTUG4.  The=0A        latter is then m=
apped into the ODU4 via OPU4 and then mapped=0A        into the correspondi=
ng OTU4.  Because a single ODU3 multiplexed=0A        signal is requested (=
Signal Type =3D 13 and NMC =3D 32), the=0A        downstream node has to re=
turn thirty-two ODU3 labels, one of=0A        which can take, for instance,=
 the following values:=0A=0A       - t4=3D409, t3=3D0, t2=3D0, t1=3D0;=0A  =
       indicates the ODU3 in the 7th TS of the ODTUG4=0A=0A       - t4=3D45=
0, t3=3D0, t2=3D0, t1=3D0;=0A         indicates the ODU3 in the 48th TS of =
the ODTUG4=0A=0A       - t4=3D473, t3=3D0, t2=3D0, t1=3D0;=0A         indic=
ates the ODU3 in the 71st TS of the ODTUG4=0A=0A   7.   ODU2e into 1.25G tr=
ibutary slots of OPU3: when one ODU2e is=0A        multiplexed into the pay=
load of a structured ODU3, the upstream=0A        node requests results sim=
ply in an ODU2e signal request.=0A=0A        In such conditions, the downst=
ream node has to return nine=0A        labels because the ODU2e is multiple=
xed into one ODTUG3.  The=0A        latter is then mapped into the ODU3 via=
 OPU3 and then mapped=0A        into the corresponding OTU3.  Because a sin=
gle ODU2e multiplexed=0A        signal is requested (Signal Type =3D 15 and=
 NMC =3D 9), the=0A        downstream node has to return nine ODU2e labels,=
 one of which=0A        can take, for instance, the following values:=0A=0A=
       - t4=3D0, t3=3D101, t2=3D0, t1=3D0;=0A         indicates the ODU2e i=
n the 4th 1.25G TS of the ODTUG3=0A=0A       - t4=3D0, t3=3D113, t2=3D0, t1=
=3D0;=0A         indicates the ODU2e in the 16th 1.25G TS of the ODTUG3=0A=
=0A       - t4=3D0, t3=3D121, t2=3D0, t1=3D0;=0A         indicates the ODU2=
e in the 24th 1.25G TS of the ODTUG3=0A=0A=0A=0A=0AFu, et al.              =
 Expires January 7, 2010               [Page 16]=0A=0C=0AInternet-Draft    =
  GMPLS Extension for Evolutive OTN          July 2009=0A=0A=0A   8.   ODU2=
e into ODU3e1 multiplexing: when one ODU2e is multiplexed=0A        into th=
e payload of a structured ODU3e1, the upstream node=0A        requests resu=
lts simply in an ODU2e signal request.=0A=0A        In such conditions, the=
 downstream node has to return four=0A        labels because the ODU2e is m=
ultiplexed into one ODTUG3e1.  The=0A        latter is then mapped into the=
 ODU3e1 via OPU3e1 and then mapped=0A        into the corresponding OTU3e1.=
  Because a single ODU2e=0A        multiplexed signal is requested (Signal =
Type =3D 15 and NMC =3D 4),=0A        the downstream node has to return fou=
r ODU2e labels, which can=0A        take, for instance, the following value=
s:=0A=0A       - t4=3D0, t3=3D162, t2=3D0, t1=3D0;=0A         indicates the=
 ODU2e in the 1st TS of the ODTUG3e1=0A=0A       - t4=3D0, t3=3D167, t2=3D0=
, t1=3D0;=0A         indicates the ODU2e in the 6th TS of the ODTUG3e1=0A=
=0A       - t4=3D0, t3=3D171, t2=3D0, t1=3D0;=0A         indicates the ODU2=
e in the 10th TS of the ODTUG3e1=0A=0A       - t4=3D0, t3=3D176, t2=3D0, t1=
=3D0;=0A         indicates the ODU2e in the 15th TS of the ODTUG3e1=0A=0A  =
 9.   ODU2e into ODU3e2 multiplexing: when one ODU2e is multiplexed=0A     =
   into the payload of a structured ODU3e2, the upstream node=0A        req=
uests results simply in an ODU2e signal request.=0A=0A        In such condi=
tions, the downstream node has to return eight=0A        labels because the=
 ODU2e is multiplexed into one ODTUG3e2.  The=0A        latter is then mapp=
ed into the ODU3e2 via OPU3e2 and then mapped=0A        into the correspond=
ing OTU3e2.  Because a single ODU2e=0A        multiplexed signal is request=
ed (Signal Type =3D 15 and NMC =3D 8),=0A        the downstream node has to=
 return eight ODU2e labels, one of=0A        which can take, for instance, =
the following values:=0A=0A       - t4=3D0, t3=3D182, t2=3D0, t1=3D0;=0A   =
      indicates the ODU2e in the 5th TS of the ODTUG3e2=0A=0A       - t4=3D=
0, t3=3D198, t2=3D0, t1=3D0;=0A         indicates the ODU2e in the 21st TS =
of the ODTUG3e2=0A=0A       - t4=3D0, t3=3D208, t2=3D0, t1=3D0;=0A         =
indicates the ODU2e in the 31st TS of the ODTUG3e2=0A=0A   10.  ODUflex is =
mapped into 1.25G tributary slots of OPU2 (OPU3 or=0A        OPU4). when on=
e ODUflex is multiplexed into the payload of a=0A        structured ODU2 (O=
DU3 or ODU4), the upstream node requests=0A=0A=0A=0AFu, et al.             =
  Expires January 7, 2010               [Page 17]=0A=0C=0AInternet-Draft   =
   GMPLS Extension for Evolutive OTN          July 2009=0A=0A=0A        res=
ults simply in an ODUflex signal request.=0A=0A        In such conditions, =
the downstream node has to return some=0A        labels whose number is det=
ermined in terms of NMC value.=0A        Because the ODUflex is multiplexed=
 into one ODTUG2 (ODTUG3 or=0A        ODTUG4).  The latter is then mapped i=
nto the ODU2 (ODU3 or ODU4)=0A        via OPU2 (OPU3 or OPU4) and then mapp=
ed into the corresponding=0A        OTU2 (OTU3 or OTU4).  Because a single =
ODUflex multiplexed=0A        signal is requested (Signal Type =3D 18), the=
 downstream node has=0A        to return some labels (i.e., the number of l=
abels is NMC), which=0A        can take, for instance, the following values=
:=0A=0A       - t4=3D0, t3=3D0, t2=3D22, t1=3D0;=0A         indicates the O=
DUflex in the 5th 1.25G TS of the ODTUG2=0A=0A         or=0A=0A       - t4=
=3D0, t3=3D151, t2=3D0, t1=3D0;=0A         indicates the ODUflex in the 22n=
d 1.25G TS of the ODTUG3=0A=0A         or=0A=0A       - t4=3D369, t3=3D0, t=
2=3D0, t1=3D0;=0A         indicates the ODUflex in the 47th 1.25G TS of the=
 ODTUG4=0A=0A   11.  ODUflex is mapped into 2.5G tributary slots of OPU2 (o=
r OPU3).=0A        when one ODUflex is multiplexed into the payload of a st=
ructured=0A        ODU2 (or ODU3), the upstream node requests results simpl=
y in an=0A        ODUflex signal request.=0A=0A        In such conditions, =
the downstream node has to return some=0A        labels whose number is det=
ermined in terms of NMC valuce.=0A        Because the ODUflex is multiplexe=
d into one ODTUG2 (or ODTUG3).=0A        The latter is then mapped into the=
 ODU2 (or ODU3) via OPU2 (or=0A        OPU3) and then mapped into the corre=
sponding OTU2 (or OTU3).=0A        Because a single ODUflex multiplexed sig=
nal is requested (Signal=0A        Type =3D 19), the downstream node has to=
 return some labels (i.e.,=0A        the number of labels is NMC), which ca=
n take, for instance, the=0A        following values:=0A=0A       - t4=3D0,=
 t3=3D0, t2=3D27, t1=3D0;=0A         indicates the ODUflex in the 2nd 2.5G =
TS of the ODTUG2=0A=0A         or=0A=0A       - t4=3D0, t3=3D215, t2=3D0, t=
1=3D0;=0A         indicates the ODUflex in the 12nd 2.5G TS of the ODTUG3=
=0A=0A=0A=0A=0AFu, et al.               Expires January 7, 2010            =
   [Page 18]=0A=0C=0AInternet-Draft      GMPLS Extension for Evolutive OTN =
         July 2009=0A=0A=0A6.  Interworking Considerations=0A=0A   Equipmen=
t supporting a 1.25G TS structure for OPU2 or OPU3 must be=0A   backward co=
mpatible with equipment which supports only the 2.5G TS=0A   structure.  Th=
ere must be some considerations on interworking between=0A   pre-G.709 and =
new OTN equipment.  Following figure is a interworking=0A   example between=
 pre-G.709 and G.709 Amendment3.=0A=0A        4*2.5G TS   32*1.25G TS  80*1=
.25G TS  16*2.5G TS   8*1.25G TS=0A           |            |           |   =
        |            |=0A           |            |           |           | =
           |=0A          \|/          \|/         \|/         \|/          =
\|/=0A   +----+ OTU2 +----+ OTU3 +----+ OTU4 +----+ OTU3  +----+  OTU2 +---=
-+=0A  -|DXC1|------|DXC2|------|DXC3|------|DXC4|-------|DXC5|-------|DXC6=
|-=0A   +----+      +----+      +----+      +----+       +----+       +----=
+=0A=0A        Figure 2: Interworking Scenario between pre-G.709 and G.709=
=0A                                Amendment3=0A=0A   Interworking can prob=
ably be accomplished by requiring the new=0A   equipment to support the pre=
-G.709 payload mappings onto link that=0A   are attached to another equipme=
nt.  One approach that may satisfy=0A   this is to represent the capacity o=
f a link in terms of the number of=0A   timeslots and the time slot bandwid=
th.  This can be reflected in the=0A   Interface Switching Capability Descr=
iptor.  In the this scenario,=0A   node DXC2, DXC4 and DXC5 should have the=
 interworking capability.=0A=0A   With the introduction of many new Lower O=
rder ODU bit rates, TE links=0A   should be represented by means of either =
their bandwidth or their=0A   number of tributary slots, the bandwidth per =
tributary slot and the=0A   set of client ODU signals supported.  Traffic E=
ngineering Database=0A   (TED) should be compose of the following TE link f=
or this scenario.=0A=0A=0A                  Max LSP Bandwidth  Minimum LSP =
Bandwidth=0A   OTU2(DXC1-DXC2)     ODU2 (10G)       ODU1 (2.5G)=0A   OTU2(D=
XC5-DXC6)     ODU2 (10G)       ODU0 (1.25G)=0A   OTU3(DXC2-DXC3)     ODU3 (=
40G)       ODU1 (1.25G)=0A   OTU3(DXC4-DXC5)     ODU3 (40G)       ODU1 (2.5=
G)=0A   OTU4(DXC3-DXC4)     ODU4 (100G)      ODU0 (1.25G)=0A=0A   When we n=
eed to setup a ODU1 (2.5G) LSP between DXC1 node and DXC6=0A   nodes, the p=
ath computation entiy may computate an DXC1-DXC2-DXC3-=0A   DXC4-DXC5-DXC6 =
route by the ODU1 bandwidth request in an G.709=0A   network.=0A=0A   1.  I=
n the case of one end-to-end session, the setup of a end-to-end=0A       co=
nnection must be based on the section "Backward Compatibility=0A=0A=0A=0AFu=
, et al.               Expires January 7, 2010               [Page 19]=0A=
=0C=0AInternet-Draft      GMPLS Extension for Evolutive OTN          July 2=
009=0A=0A=0A       Considerations" in this document.  The Traffic Parameter=
s have to=0A       be changed in DXC2, DXC4, and DXC5 node.=0A=0A   +----+ =
     +----+      +----+      +----+       +----+       +----+=0A  -|DXC1|--=
----|DXC2|------|DXC3|------|DXC4|-------|DXC5|-------|DXC6|-=0A   +----+  =
    +----+      +----+      +----+       +----+       +----+=0A          Pa=
th        Path        Path         Path         Path=0A        ------->    =
 ------>     ------>     ------->     ------->=0A          ST=3D1        ST=
=3D11       ST=3D11       ST=3D1         ST=3D11=0A         NMC=3D1       N=
MC=3D2       NMC=3D2       NMC=3D1        NMC=3D2=0A=0A          Resv      =
  Resv        Resv         Resv         Resv=0A        <-------     <------=
     <------     <-------     <-------=0A          ST=3D1        ST=3D11   =
    ST=3D11       ST=3D1         ST=3D11=0A         NMC=3D1       NMC=3D2  =
     NMC=3D2       NMC=3D1        NMC=3D2=0A=0A                          Fi=
gure 3: Contiguous TE LSP=0A=0A   2.  The end-to-end connection also can be=
 setuped with multiple=0A       segment session (i.e., ODU1 LSP1, ODU1 LSP2=
, ODU1 LSP3, ODU1=0A       LSP4).=0A=0A   +----+      +----+      +----+   =
   +----+       +----+       +----+=0A  -|DXC1|------|DXC2|------|DXC3|----=
--|DXC4|-------|DXC5|-------|DXC6|-=0A   +----+      +----+      +----+    =
  +----+       +----+       +----+=0A    |             |                   =
   |             |             |=0A    |<-ODU1 LSP1->|<-----ODU1 LSP2------=
>|<-ODU1 LSP3->|<-ODU1 LSP4->|=0A=0A                          Figure 4: Sti=
tching TE LSP=0A=0A       Druing setup of each segment lsp, tributary slot =
size should be=0A       known to control plane.  One approach that may sati=
sfy this is=0A       based on the Signal Type in Traffic Parameters.  Signa=
l Type and=0A       NMC in each segment LSP don't need to be changed any mo=
re.=0A       Following is the value of Signal Type for different segment LS=
P.=0A=0A=0A              Value     Type=0A   ODU1 LSP1  1         ODU1 (i.e=
., 2.5 Gbps is not further sub-divided)=0A   ODU1 LSP2  11        ODU1 /*Th=
e size of OPUk TS is 1.25G*/=0A   ODU1 LSP3  1         ODU1 (i.e., 2.5 Gbps=
 is not further sub-divided)=0A   ODU1 LSP4  11        ODU1 /*The size of O=
PUk TS is 1.25G*/=0A=0A       editor note: If the segment LSP can be create=
d and prepaired for=0A       stitching by signaling, the end-to-end connect=
ion is stitched to=0A       several segment LSPs (i.e., ODU1 LSP1, ODU1 LSP=
2, ODU1 LSP3, ODU1=0A       LSP4).  The traffic parameters of this end-to-e=
nd session is TBD.=0A=0A=0A=0A=0AFu, et al.               Expires January 7=
, 2010               [Page 20]=0A=0C=0AInternet-Draft      GMPLS Extension =
for Evolutive OTN          July 2009=0A=0A=0A7.  Control of ODUflex resizin=
g=0A=0A   TBD=0A=0A=0A8.  Contributors=0A=0A=0A9.  Security Considerations=
=0A=0A   TBD.=0A=0A=0A10.  IANA Considerations=0A=0A   TBD.=0A=0A=0A11.  Ac=
knowledgments=0A=0A   The RFC text was produced using Marshall Rose's xml2r=
fc tool.=0A=0A=0A12.  Normative References=0A=0A   [ITUT-G709]=0A          =
    ITU-T, "Interface for the Optical Transport Network=0A              (OT=
N)", G.709 Recommendation (and Amendment 1) ,=0A              October 2001.=
=0A=0A   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate=0A =
             Requirement Levels", BCP 14, RFC 2119, March 1997.=0A=0A   [RF=
C3630]  Katz, D., Kompella, K., and D. Yeung, "Traffic Engineering=0A      =
        (TE) Extensions to OSPF Version 2", RFC 3630,=0A              Septe=
mber 2003.=0A=0A   [RFC4203]  Kompella, K. and Y. Rekhter, "OSPF Extensions=
 in Support=0A              of Generalized Multi-Protocol Label Switching (=
GMPLS)",=0A              RFC 4203, October 2005.=0A=0A   [RFC4206]  Kompell=
a, K. and Y. Rekhter, "Label Switched Paths (LSP)=0A              Hierarchy=
 with Generalized Multi-Protocol Label Switching=0A              (GMPLS) Tr=
affic Engineering (TE)", RFC 4206, October 2005.=0A=0A   [RFC4328]  Papadim=
itriou, D., "Generalized Multi-Protocol Label=0A              Switching (GM=
PLS) Signaling Extensions for G.709 Optical=0A              Transport Netwo=
rks Control", RFC 4328, January 2006.=0A=0A=0A=0AFu, et al.               E=
xpires January 7, 2010               [Page 21]=0A=0C=0AInternet-Draft      =
GMPLS Extension for Evolutive OTN          July 2009=0A=0A=0A   [RFC5150]  =
Ayyangar, A., Kompella, K., Vasseur, JP., and A. Farrel,=0A              "L=
abel Switched Path Stitching with Generalized=0A              Multiprotocol=
 Label Switching Traffic Engineering (GMPLS=0A              TE)", RFC 5150,=
 February 2008.=0A=0A=0AAuthors' Addresses=0A=0A   Xihua Fu=0A   ZTE Corpor=
ation=0A   West District,ZTE Plaza,No.10,Tangyan South Road,Gaoxin District=
=0A   Xi An  710065=0A   P.R.China=0A=0A   Phone: +8613798412242=0A   Email=
: fu.xihua@zte.com.cn=0A   URI:   http://wwwen.zte.com.cn/=0A=0A=0A   Ming =
Ke=0A   ZTE Corporation=0A   3F,R&D Building 3,ZTE Industrial Park,XiLi Liu=
Xian Road=0A   Nanshan District,Shenzhen  518055=0A   P.R.China=0A=0A   Pho=
ne: +86 755 26773914=0A   Email: ke.ming@zte.com.cn=0A=0A=0A   Yuanlin Bao=
=0A   ZTE Corporation=0A   5F,R&D Building 3, ZTE Industrial Park, XiLi Liu=
Xian Road=0A   Nanshan District,Shenzhen  518055=0A   P.R.China=0A=0A   Pho=
ne: +86 755 26773731=0A   Email: bao.yuanlin@zte.com.cn=0A=0A=0A=0A=0A=0A=
=0A=0A=0A=0A=0A=0A=0A=0A=0AFu, et al.               Expires January 7, 2010=
               [Page 22]=0A=0C=0A=0A=
--=_mixed 00633AD7482575EB_=--


From lberger@labn.net  Tue Jul  7 16:02:31 2009
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Date: Tue, 07 Jul 2009 18:34:51 -0400
From: Lou Berger <lberger@labn.net>
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Subject: Re: [CCAMP] Working group last call:	draft-ietf-ccamp-gmpls-ethernet-pbb-te-02.txt
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Don, co-authors,

(yes, I know I'm a co-author, but I can review the document too)

Here are some last call comments:

- The boilerplate needs an update

- There are ID nit warnings (should be verified that are okay)

- Section 4: General comment
  This section should use RFC2119 language to differentiate the
  normative from informative language.

- Section 4.1: "3) Sets the GPID to service type."
  What is "service type"? Do you mean "Ethernet (33) [RFC3471]"?
  Also, it's "G-PID".

- Section 4.1.1. "Share forwarding savings"
  How about "The savings from shared forwarding ..."?

- Section 4.1.1. "shared forwarding multiplexes at both ends."
  What's a "multiplexes"?

- Section 5. General comment
  Specific error codes should be identified, E.g.,  "Routing
  problem/Unacceptable label value", and specific message
  processing procedures should be defined (or at least referenced
  if already defined in other RFCs.)

- Section 7: IANA considerations
  This section should follow the general conventions for such
  sections.  See RFC5226 for general guidelines.

Lou

On 6/23/2009 9:55 AM, BRUNGARD, DEBORAH A, ATTLABS wrote:
> This email begins a two week working group last call on
> draft-ietf-ccamp-gmpls-ethernet-pbb-te-02.txt
> 
> http://www.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-ethernet-pbb-
> te-02.txt
>  
> Please send your comments to the list or the authors before the last
> call closes on July 7th.
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp
> 
> 
> 

From zhangfatai@huawei.com  Tue Jul  7 20:02:46 2009
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Date: Wed, 08 Jul 2009 11:02:53 +0800
From: Fatai Zhang <zhangfatai@huawei.com>
To: CCAMP <ccamp@ietf.org>
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Hi all,

I just uploaded an updated draft which is draft-zhang-ccamp-gmpls-call-extensions-01.

According to the feedback from IETF 74th meeting, I used the existing ERO and RRO to replace Call-ERO and Call-RRO.

Pls check out the draft for detail.

Any comments are welcome.




Thanks

Fatai
 
Advanced Technology Department
Wireline Networking Business Unit
Huawei Technologies Co., LTD.
Huawei Base, Bantian, Longgang,
Shenzhen 518129 P.R.China
Tel: +86-755-28972912
Fax: +86-755-28972935
----- Original Message ----- 
From: IETF I-D Submission Tool 
To: zhangfatai@huawei.com 
Cc: danli@huawei.com ; gjhhit@huawei.com 
Sent: Wednesday, July 08, 2009 10:53 AM
Subject: New Version Notification for draft-zhang-ccamp-gmpls-call-extensions-01



A new version of I-D, draft-zhang-ccamp-gmpls-call-extensions-01.txt has been successfuly submitted by Fatai Zhang and posted to the IETF repository.

Filename: draft-zhang-ccamp-gmpls-call-extensions
Revision: 01
Title: RSVP-TE extensions to GMPLS Calls
Creation_date: 2009-07-08
WG ID: Independent Submission
Number_of_pages: 12

Abstract:
Generalized Multi-Protocol Label Switching (GMPLS) Signaling Resource 
ReserVation Protocol-Traffic Engineering (RSVP-TE) extensions are 
used to support Calls. Although it is stated that these mechanisms 
are applicable to any environment (including multi-area), the "Call 
Path" is determined hop-by-hop by each "Call Manager" in sequence 
along the path of the Call. 

 
 
 However, it is desirable to allow the Call-initiator to identify the 
Call Path explicitly in some cases (especially in the multi-domain 
case). 

This document describes RSVP-TE signaling extensions to allow the 
Call-initiator to identify the Call Path explicitly when transit 
nodes (besides the Call-initiator and Call-terminator) are involved 
in these Calls. 

Conventions used in this document 

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", 
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 
document are to be interpreted as described in RFC-2119 [RFC2119].
                                                                                  


The IETF Secretariat.


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Network work group                                           Fatai Zhang 
Internet Draft                                                    Dan Li 
Intended status: Standards Track                             Jianhua Gao   
Expires: January 2010                                             Huawei 
                                                           July 08, 2009         
                                      


                                      
                     RSVP-TE extensions to GMPLS Calls 


                                      
              draft-zhang-ccamp-gmpls-call-extensions-01.txt 


Status of this Memo 

   This Internet-Draft is submitted to IETF in full conformance with   
   the provisions of BCP 78 and BCP 79. 

   Internet-Drafts are working documents of the Internet Engineering   
   Task Force (IETF), its areas, and its working groups.  Note that   
   other groups may also distribute working documents as Internet-   
   Drafts. 

   Internet-Drafts are draft documents valid for a maximum of six months   
   and may be updated, replaced, or obsoleted by other documents at any   
   time.  It is inappropriate to use Internet-Drafts as reference   
   material or to cite them other than as "work in progress." 

   The list of current Internet-Drafts can be accessed at   
   http://www.ietf.org/ietf/1id-abstracts.txt. 

   The list of Internet-Draft Shadow Directories can be accessed at   
   http://www.ietf.org/shadow.html. 

   This Internet-Draft will expire on January 08, 2010. 

 

Abstract 

   Generalized Multi-Protocol Label Switching (GMPLS) Signaling Resource 
   ReserVation Protocol-Traffic Engineering (RSVP-TE) extensions are 
   used to support Calls. Although it is stated that these mechanisms 
   are applicable to any environment (including multi-area), the "Call 
   Path" is determined hop-by-hop by each "Call Manager" in sequence 
   along the path of the Call. 

 
 
 
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   However, it is desirable to allow the Call-initiator to identify the 
   Call Path explicitly in some cases (especially in the multi-domain 
   case). 

   This document describes RSVP-TE signaling extensions to allow the 
   Call-initiator to identify the Call Path explicitly when transit 
   nodes (besides the Call-initiator and Call-terminator) are involved 
   in these Calls. 

Conventions used in this document 

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", 
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 
   document are to be interpreted as described in RFC-2119 [RFC2119]. 

Table of Contents 

    
   1. Introduction.................................................2 
   2. Motivation...................................................3 
   3. Solution.....................................................5 
   4. Operations...................................................6 
      4.1. User-Initiated Calls....................................7 
   5. Security Considerations......................................7 
   6. Manageability Considerations.................................7 
   7. IANA Considerations..........................................8 
      7.1. ERO Object..............................................8 
      7.2. RRO Object..............................................8 
      7.3. RSVP Error Codes and Error Values.......................8 
   8. Normative References.........................................9 
   9. Authors' Addresses..........................................10 
   Acknowledgment.................................................10 
    
    

1. Introduction 

   The concept of a Generalized Multi-Protocol Label Switching (GMPLS) 
   Call is introduced in [RFC4974]. A Call is an association between 
   endpoints and possibly between key transit points (such as network 
   boundaries) in support of an instance of a service. The requirements 
   of Calls and the RSVT-TE extensions in support of Calls are also 
   described in [RFC4974]. 

   A Call is usually established between end-points to verify polices 
   and authorization applied on these end-points. However, in a multi-
   domain environment, some key polices and authorization are usually 
 
 
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   deployed on the corresponding domain border nodes (domain ingress or 
   egress nodes), so these border nodes are also involved in processing 
   the Call when the Call is going through these domains. These nodes 
   that process the Call are known as "Call Managers". 

   Although it is stated that the mechanisms proposed in [RFC4974] are 
   applicable to any environment (including multi-area), the "Call Path" 
   is determined hop-by-hop by each Call Manager in sequence along the 
   path of the Call. That is, each Call Manager forwards the Notify 
   message that is used to manage the Call to the next Call Manager 
   along the Call Path. The Notify messages are targeted at (i.e., carry 
   the IP address of) the next Call Manager, and the route that the 
   messages follow through the network to reach the next Call Manager is 
   not important. 

   However, it is desirable to allow the Call-initiator to determine the 
   Call Path and to signal it explicitly in some cases (especially in 
   the multi-domain case). 

   This document describes RSVP-TE signaling extensions to allow the 
   Call-initiator to identify the Call Path explicitly when transit Call 
   Managers (besides the Call-initiator and Call-terminator) are 
   involved in a Call. 

   Note that Call and Connection are separated in the signaling, and 
   Call procedures do not impact the Connection procedures, so this 
   document does not modify any Connection procedures defined in 
   [RFC3471], [RFC3473], [RFC4208], and other existing protocol family. 

2. Motivation 

   In some cases, it is desirable to set up a Call through not only the 
   Call-initiator and Call-terminator, but also some transit Call 
   Manager nodes (e.g., transit border domain nodes) to verify the 
   corresponding polices and authorization applied on these nodes. 

   For instance, in the multi-domain case as shown in Figure 1, there 
   are three interconnected domains. Nodes I, D11, and D12 are in Domain 
   1, and the nodes D11 and D12 are the border nodes. Nodes D21, D22, 
   D23, and D24 are the border nodes of Domain 2, and the internal nodes 
   of Domain 2 are not shown in the figure. Nodes D31, D32, and E are in 
   Domain 3, and the nodes D31 and D32 are the border nodes. 

   Policies and authorization are often applied in domain border nodes, 
   such as the nodes D11, D12, D21, D22, D23, D24, D31, and D32 in this 
   example. Therefore, in this case, when a Call between Call-initiator 
   (node I) and Call-terminator (node E) is going to be setup, the Call 
 
 
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   should be processed in some domain border nodes (for example, the 
   nodes D11, D21, D23, D31 should process the Call when the Call Path 
   I-D11-D21-D23-D31-E is selected).  

   Note that in this case, there may be several alternative Call Paths 
   between Call-initiator and Call-terminator. For example, in the 
   Figure 1, the possible Call paths may be I-D11-D21-D23-D31-E or I-
   D12-D22-D24-D32-E, or some other path depending on the 
   interconnectivity across the domains.  

       +------------------+  +----------------+  +-----------------+     
       |            +--+  |  |  +--+    +--+  |  |  +--+           |     
       |          --|  |--|--|--|  |----|  |--|--|--|  |--         |     
       |         /  |  |  |  |  |  |    |  |  |  |  |  |  \        |     
       |        /   +--+  |  |  +--+    +--+  |  |  +--+   \       |     
       |  +--+ /     D11  |  |   D21     D23  |  |   D31    \ +--+ |     
       |  |  |-           |  |                |  |           -|  | |     
       |  |  |-           |  |                |  |           -|  | |     
       |  +--+ \    +--+  |  |  +--+    +--+  |  |  +--+    / +--+ |     
       |   I    \   |  |  |  |  |  |    |  |  |  |  |  |   /   E   |     
       |         ---|  |--|--|--|  |----|  |--|--|--|  |---        |     
       |            +--+  |  |  +--+    +--+  |  |  +--+           |     
       |             D12  |  |   D22     D24  |  |   D32           |     
       |                  |  |                |  |                 |     
       +------------------+  +----------------+  +-----------------+     
            Domain1               Domain2             Domain3            
                                                                         

                      Figure 1: Multi-domain Scenario 

   Note that how to determine the Call Path is out of the scope of this 
   document.  

   According to the Section 7.3.1 of [RFC 4974], it is already supported 
   that the third parties (i.e., non-end points such as External Call 
   Managers) are involved in the Call, but there is no mechanisms for 
   the Call-initiator to control the Call Path. The Call Path is 
   determined by each Call Manager in turn selecting the next Call 
   Manager on the path to the Call-terminator and forwarding the Notify 
   message that sets up the Call. 

   However, in the case of a multi-domain Call, commercial and policy 
   motivations normally play a role in selecting the Call Path. This 
   selection may be at a coarse level (for example, identifying which 
   domains should or should not be used), or may be at a finer level 
   (for example, identifying which Call Managers to use). Note that 
   there is no concept of specifying links or resources within the Call 
 
 
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   Path as the Call is an ordered association of Call Managers, and not 
   a data path in the network. 

   Therefore, it is desirable to allow full control for the Call-
   initiator, which means that the Call-initiator can identify the full 
   Call Path explicitly. Moreover, the management plane needs to be able 
   to identify the Call Path explicitly as an instruction to the Call-
   initiator. 

   This document defines protocol extensions that provide a solution for 
   these requirements. 

3. Solution 

   In order to identify the Call Path explicitly for the Call-initiator, 
   the explicit Call Path can be specified by the EXPLICIT_ROUTE object 
   (ERO) [RFC3209]. 

   A new C_Type of ERO is suggested, C_Type = 2 (suggested, TBD by 
   IANA)), Call Explicit Route. 

   It is obvious that the Call Path can also be recorded by the 
   RECORD_ROUTE object (RRO) [RFC3209]. 

   A new C_Type of RRO is suggested, C_Type = 2 (suggested, TBD by IANA), 
   Call Record Route. 

   Note that the procedures of ERO and RRO for Call Path are similar as 
   defined in [RFC3209]. 

   The revised Notify message is as follows using the meta-language 
   described in [RBNF]: 

      <Notify message>  ::= <Common Header> [ <INTEGRITY> ] 

                            [[ <MESSAGE_ID_ACK> | <MESSAGE_ID_NACK>]...] 

                            [ <MESSAGE_ID> ] 

                            <ERROR_SPEC> 

                            <notify session list> 

   Where 

      <notify session list> ::= [ <notify session list> ] 

 
 
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                                <notify session> 

      <notify session>  ::= <SESSION> [ <ADMIN_STATUS> ] 

                            [ <POLICY_DATA>...] 

                            [ <LINK_CAPABILITY> ] 

                            [ <SESSION_ATTRIBUTE> ] 

                            [ <ERO> ] 

                            [ <RRO> ] 

                            [ <sender descriptor> | <flow descriptor> ] 

   And where: 

      <sender descriptor> ::= see [RFC3473] 

      <flow descriptor> ::= see [RFC3473] 

4. Operations 

   The processes for the revised Notify message comply with the 
   procedures described in [RFC3974] except that the ERO and RRO are 
   processed at the Call Managers. The processes for the ERO and RRO are 
   similar to the Connection ERO and RRO [RFC3209].  

   The procedures of Call Setup for the revised Notify message are 
   summarized as follows (other procedures are the same as [RFC3974]): 

   (1)The Call-initiator initiates Call setup and processes the Call 
      locally (e.g., verifies the policy, etc.). After that, it adds 
      the ERO to the Notify message, including the sub-objects to 
      identify the Call Path. If RRO is required, it also should add 
      RRO to the Notify message. Then the Call-initiator sends the 
      Notify message to the first Call Manager indicated by the first 
      sub-object of the ERO (Note that there is no Label Recording in 
      this case). 

   (2)The transit Call Managers process the Call when they receive the 
      Notify messages. After that, they remove themselves from the ERO. 
      If RRO is presented in the Notify message, it should also process 
      RRO similar to [RFC3209]. Then it sends the Notify message to the 
      next Call Manager identified by the ERO. 

 
 
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   (3)Step 2 recurs until the Notify message gets to the Call-
      terminator. And the corresponding Notify message returns to Call-
      initiator in the inverse direction (Note that the inverse Notify 
      message may include RRO object if needed, but it should not 
      include ERO object). 

   If, at any time, the ERO is absent or present but empty (for example, 
   when a transit Call Manager removes itself from the ERO), a Call 
   Manager MUST select a next Call Manager on the Call Path toward the 
   Call-terminator (identified in the Session object of the Notify 
   message). This next Call Manager may be another transit Call Manager 
   or may be the Call-terminator itself. The Call Manager MAY create a 
   new ERO if none exists to define hops to the Call-terminator, or may 
   add hops to the existing ERO between itself and the next hop in the 
   received ERO. Such actions are subject to local policy. 

4.1. User-Initiated Calls 

   The extensions in this document can also be applied in user-initiated 
   calls, although the example described in this document is about 
   network-initiated Call. Note that, in this case, the first node 
   within the first network domain may be responsible for specifying the 
   Call Path explicitly in the Notify message. The procedures should 
   comply with the description in the Section 7.2 of [RFC 4974]. 

5. Security Considerations 

   The security considerations about Call setup in single domain are 
   described in [RFC 4974]. In the case of multi-domain environment, the 
   security about Call is similar to that of Connection which is 
   described in [RFC 5151]. Therefore, please refer to the corresponding 
   Security Consideration sections in [RFC 4974] and [RFC 5151] to take 
   into account the security issues. 

6. Manageability Considerations 

   The mechanisms defined in this document call upon the use of policy 
   at Call Managers. Such policy SHOULD be available for configuration 
   by the operator either directly acting on the Call Manager or through 
   a policy server. Important information for the application of policy 
   is carried in the Call establishment messages (Notify messages) in 
   the Session, Session_Attributes, Sender_Template, Link_Capability, 
   and Policy_Data objects. 

   The mechanism used to determine the entire Call Path or next Call 
   Manager in a Call Path is beyond the scope of this document. One 
   solution is to allow configuration of the Call Path from the operator 
 
 
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   as part of the service request (just as the explicit path of a label 
   switched path (LSP) can be specified by the operator). 

   Operators will expect to be able to inspect Call Managers and 
   determine for which Calls they are initiator, transit, or terminator. 
   Furthermore, they will expect to be able to inspect a Call at any 
   Call Manager that it uses, and determine all information about the 
   Call including its Call Path. 

7. IANA Considerations 

   This document introduces a new C_Type ERO and RRO. 

7.1. ERO Object  

   Class-Num = 20 

   C-Type=2 (suggested, TBD by IANA), Call Explicit Route 

   This type indicates that this ERO is used for Call messages in Notify 
   messages. 

7.2. RRO Object  

   Class-Num = 21  

   C-Type=2 (suggested, TBD by IANA), Call Record Route 

   This type indicates that this RRO is used for Call messages in Notify 
   messages. 

7.3. RSVP Error Codes and Error Values 

   The Call message (Notify message) should be rejected when any Call 
   Manager which receives the Call message including ERO does not 
   recognize the ERO. 

      o  Error Codes: 

         - Call Management (value 32) 

      o  Error Values: 

         - Call Management/Unknown ERO      (value=TBD) 

    

 
 
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8. Normative References 

   [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate 
             Requirement Levels", BCP 14, RFC 2119, March 1997. 

   [RFC4974] D. Papadimitriou, A. Farrel, "Generalized MPLS (GMPLS) 
             RSVP-TE Signaling Extensions in Support of Calls ", RFC 
             4974, August 2007. 

            [RFC3209]  Awduche, D., Berger, L., Gan, D., Li, T.,                    
             Srinivasan, V.  and G. Swallow, "RSVP-TE: Extensions               
             to RSVP for LSP Tunnels", RFC 3209, December 2001. 

   [RFC3471] Berger, L., "Generalized Multi-Protocol Label Switching 
             (GMPLS) Signaling Functional Description", RFC 3471, 
             January 2003. 

   [RFC3473] Berger, L., Ed., "Generalized Multi-Protocol Label 
             Switching (GMPLS) Signaling Resource ReserVation Protocol-
             Traffic Engineering (RSVP-TE) Extensions", RFC 3473, 
             January 2003. 

   [RFC4208] Swallow, G., Drake, J., Ishimatsu, H., and Y. Rekhter, 
             "Generalized Multiprotocol Label Switching (GMPLS) User- 
             Network Interface (UNI): Resource ReserVation Protocol- 
             Traffic Engineering (RSVP-TE) Support for the Overlay 
             Model", RFC 4208, October 2005. 

   [RFC5151] A. Farrel, A. Ayyangar, JP. Vasseur, "Inter-Domain MPLS and 
             GMPLS Traffic Engineering-Resource Reservation Protocol-
             Traffic Engineering (RSVP-TE) Extensions", RFC 5151, 
             February 2008. 

   [RBNF]    Farrel, A., "Reduced Backus-Naur Form (RBNF) A Syntax Used 
             in Various Protocol  Specifications", draft-farrel-rtg-
             common-bnf, work in progress. 










 
 
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9. Authors' Addresses 

   Fatai Zhang
   Huawei Technologies
   F3-5-B R&D Center, Huawei Base
   Bantian, Longgang District
   Shenzhen 518129 P.R.China

   Phone: +86-755-28972912
   Email: zhangfatai@huawei.com

   Dan Li
   Huawei Technologies Co., Ltd.
   F3-5-B R&D Center, Huawei Base
   Bantian, Longgang District
   Shenzhen 518129 P.R.China

   Phone: +86-755-28973237
   Email: danli@huawei.com

   Jianhua Gao
   Huawei Technologies
   F3-5-B R&D Center, Huawei Base
   Bantian, Longgang District
   Shenzhen 518129 P.R.China

   Phone: +86-755-28972912
   Email: gjhhit@huawei.com
    
    
Acknowledgment 

   TBD. 

    

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Full Copyright Statement 

 
 
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Thread-Topic: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00
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References: <E0EB0F89D33F0B46A0C9A5B4293395F7DF1C9A@esealmw110.eemea.ericsson.se> <OFD7263974.8BE5E3DB-ON482575EB.0061067C-482575EB.00633ADC@zte.com.cn> <0EFF62AEEEB97946B55DD05BCB3F45BA02BE25F975@FRMRSSXCHMBSC1.dc-m.alcatel-lucent.com>
From: "Jin, Lizhong (NSN - CN/Shanghai)" <lizhong.jin@nsn.com>
To: "Diego Caviglia" <diego.caviglia@ericsson.com>, <bao.yuanlin@zte.com.cn>,  <fu.xihua@zte.com.cn>, "Sprecher, Nurit (NSN - IL/Hod HaSharon)" <nurit.sprecher@nsn.com>
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Cc: "Pasqualini, Sandrine \(NSN - DE/Munich\)" <sandrine.pasqualini@nsn.com>, "ext ROTHKEGEL, Walter \(Walter\)" <wrothkegel@alcatel-lucent.com>, "Jiang, Qiaofeng \(NSN - CN/Beijing\)" <qiaofeng.jiang@nsn.com>, ccamp@ietf.org, marco.corsi@altran.it, francesco.fondelli@ericsson.com
Subject: Re: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00
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Hi Diego, Xinhua and all:
I reviewed the two documents
(draft-fuxh-ccamp-gmpls-extension-for-evolutive-otn-00 and
draft-ceccarelli-ccamp-gmpls-g709-am3-00), and the two drafts can really
complement with each other. So I strongly recommend that the two drafts
can come to one draft. ODU industry and IETF standardization can benefit
from this kind of document merging. And we will support the merged draft
if you two agree on this issue.
=20
The main point of this new extension is about the label space definition
for G.709 am3. I give the following conclusion with 4 parts:=20
1. In order to avoid incompatibility with pre-G.709, draft-ceccarelli
draft defines additional label space based on "ST+NMC+interface". But
NMC is not always right for G.709 am3, see my No3 point. Other comments
are below:
a. The definition of "ST+NMC" in the draft is also missing some content,
e.g, ODU4, ODU3 to ODU4 multiplexing.=20
=20
2. For draft-fuxh draft, it defines another label space for G.709, and
add a version number to avoid incompatibility with pre-G.709. The label
space is based on version+interface. But this solution leads to
interoperability complexity, and have some problem. See the reasons
below:
a. In section 4 of the three scenarios, how can the NE know the adjacent
NE's capability, pre-G.709 or G.709 Amendment3 NE?
b. In scenario 3, the first pre-G.709 NE can not idetify V bit, so it
can not identify the label encoding according to the new label space
defined in this draft.
I did not detailly review the 01 version of draft-fuxh, but it seems
that the problem has been solved by redefining signal type, and remove V
bit.
=20
3. For signal type definition, I prefer to draft-fuxh's draft solution.
NMC is not useful in G.709 am3, because although most Lower Order ODUk
signals have the same number of tributary slots in all High Order ODUk,
there are a few exceptions, e.g, ODU2e. When doing RSVP-TE signaling,
only one NMC can be specified, which results the ill definition of NMC
in RFC4328. This should be mentioned in the draft.
=20
4. Above all, the lable space based on ST+NMC+interface in
draft-ceccarelli is better, and the ST definition in draft-fuxh is
better. And we should add modification to NMC definition.
=20
Best Regards
Lizhong Jin

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Dus-ascii">
<META content=3D"MSHTML 6.00.2900.3562" name=3DGENERATOR></HEAD>
<BODY>
<DIV dir=3Dltr align=3Dleft>
<DIV><SPAN class=3D005581108-06072009><FONT face=3DArial color=3D#0000ff =
size=3D2><SPAN=20
class=3D298323801-03072009><SPAN =
class=3D005581108-06072009>Hi&nbsp;Diego<SPAN=20
class=3D824062410-08072009>, Xinhua</SPAN>&nbsp;and all:<BR><SPAN=20
class=3D824062410-08072009>I </SPAN>reviewed the two documents=20
(draft-fuxh-ccamp-gmpls-extension-for-evolutive-otn-00 and=20
draft-ceccarelli-ccamp-gmpls-g709-am3-00), and the two drafts can really =

complement with each other. So I strongly recommend that the two drafts =
can come=20
to one draft. ODU industry and IETF standardization can benefit from =
this kind=20
of document merging. And&nbsp;<SPAN class=3D824062410-08072009>we =
</SPAN>will=20
support the merged draft if you two agree on this=20
issue.</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT>&nbsp;</DIV>
<DIV><SPAN class=3D005581108-06072009><FONT face=3DArial color=3D#0000ff =
size=3D2><SPAN=20
class=3D298323801-03072009><SPAN class=3D005581108-06072009>The main =
point of this=20
new extension is about the label space definition for G.709 am3.&nbsp;I =
give the=20
following conclusion with 4 parts: <BR>1. In order to avoid =
incompatibility with=20
pre-G.709, draft-ceccarelli draft defines additional label space based =
on=20
"ST+NMC<SPAN class=3D824062410-08072009>+interface</SPAN>".&nbsp;<SPAN=20
class=3D824062410-08072009>But NMC is not always right for G.709 am3, =
see my No3=20
point. </SPAN>Other comments are below:<BR>a. The definition of "ST+NMC" =
in the=20
draft is also missing some content, e.g, ODU4, ODU3 to ODU4 =
multiplexing.=20
</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT>&nbsp;</DIV>
<DIV><SPAN class=3D005581108-06072009><FONT face=3DArial color=3D#0000ff =
size=3D2><SPAN=20
class=3D298323801-03072009><SPAN class=3D005581108-06072009>2. For =
draft-fuxh draft,=20
it defines another label space for G.709, and add a version number to =
avoid=20
incompatibility with pre-G.709. The label space is based on&nbsp;<SPAN=20
class=3D824062410-08072009>version+</SPAN>interface. But this solution =
leads to=20
interoperability complexity, and have some problem. See the reasons =
below:<BR>a.=20
In section 4 of the three scenarios, how can the NE know the adjacent =
NE's=20
capability, pre-G.709 or G.709 Amendment3 NE?<BR>b. In scenario 3, the =
first=20
pre-G.709 NE can not idetify V bit, so it can not identify the label =
encoding=20
according to the new label space defined in this=20
draft.</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
class=3D824062410-08072009>I did=20
not detailly review the 01 version of draft-fuxh, but it seems that the =
problem=20
has been solved by redefining signal type, and remove V =
bit.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT>&nbsp;</DIV>
<DIV><SPAN class=3D005581108-06072009><SPAN =
class=3D298323801-03072009><SPAN=20
class=3D005581108-06072009><FONT color=3D#0000ff><FONT size=3D2><FONT =
face=3DArial>3.=20
For signal type definition, I prefer to draft-fuxh's draft solution. NMC =
is not=20
useful in G.709 am3, because&nbsp;although most&nbsp;Lower Order ODUk =
signals=20
have the same number of tributary slots in all High Order ODUk, there =
are a few=20
exceptions, e.g, ODU2e.<SPAN class=3D824062410-08072009> When doing =
RSVP-TE=20
signaling, only one NMC can be specified, which results the ill =
definition of=20
NMC in RFC4328. This should be mentioned in the=20
draft.</SPAN></FONT></FONT></FONT></SPAN></SPAN></SPAN></DIV>
<DIV><SPAN class=3D005581108-06072009><SPAN =
class=3D298323801-03072009><SPAN=20
class=3D005581108-06072009><FONT color=3D#0000ff><FONT size=3D2><FONT =
face=3DArial><SPAN=20
class=3D824062410-08072009></SPAN></FONT></FONT></FONT></SPAN></SPAN></SP=
AN>&nbsp;</DIV>
<DIV><SPAN class=3D005581108-06072009><SPAN =
class=3D298323801-03072009><SPAN=20
class=3D005581108-06072009><FONT color=3D#0000ff><FONT size=3D2><FONT =
face=3DArial><SPAN=20
class=3D824062410-08072009>4. Above all, the lable space based on =
ST+NMC+interface=20
in draft-ceccarelli is better, and the ST definition in draft-fuxh is =
better.=20
And we should add modification to NMC=20
definition.</SPAN></FONT></FONT></FONT></SPAN></SPAN></SPAN></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT>&nbsp;</DIV>
<DIV><SPAN class=3D005581108-06072009><FONT face=3DArial color=3D#0000ff =
size=3D2><SPAN=20
class=3D298323801-03072009><SPAN class=3D005581108-06072009>Best =
Regards<BR>Lizhong=20
Jin</SPAN></SPAN></FONT></SPAN></DIV></DIV></BODY></HTML>

------_=_NextPart_001_01C9FFBD.876B02E9--

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Subject: Re: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00
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Cc: "ext ROTHKEGEL, Walter \(Walter\)" <wrothkegel@alcatel-lucent.com>, bao.yuanlin@zte.com.cn, ccamp@ietf.org, "Pasqualini, Sandrine \(NSN - DE/Munich\)" <sandrine.pasqualini@nsn.com>, marco.corsi@altran.it, francesco.fondelli@ericsson.com, "Jiang, Qiaofeng \(NSN - CN/Beijing\)" <qiaofeng.jiang@nsn.com>
Subject: Re: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00
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From diego.caviglia@ericsson.com  Wed Jul  8 08:20:32 2009
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From: "Diego Caviglia" <diego.caviglia@ericsson.com>
To: "Jin, Lizhong (NSN - CN/Shanghai)" <lizhong.jin@nsn.com>, <bao.yuanlin@zte.com.cn>, <fu.xihua@zte.com.cn>, "Sprecher, Nurit (NSN - IL/Hod HaSharon)" <nurit.sprecher@nsn.com>
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Subject: Re: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00
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Hi Jin,

          First of all thanks for your comments, very appreciated.

=20

I fully agree that we should try to merge the IDs we have right now on =
this matter, that is -fuxh-ccamp-gmpls-extension-for-evolutive-otn-00, =
draft-ceccarelli-ccamp-gmpls-g709-am3-00 and also =
draft-zhang-ccamp-gmpls-evolving-g709-01.

=20

The first two are more similar in the approach used for the definition =
of the ODU label while the last one defines a different approach based =
on a bit map.

=20

Merging of the first two could be easier and could be, if Fu and Bao =
agree, a first step, next one could be the merge with Fatai ID.

=20

Hope all of us agree on this.

=20

BR

=20

Diego

=20

=20

=20

__________________________________________

Diego Caviglia

Strategic Product Manager

Broadband Networks, PL Broadband Optical Network=20

Ericsson Telecomunicazioni S.p.A. (TEI)

Via A. Negrone 1/A                                 Office:  +39 010 600 =
3736

16153, Genova, Italy                               Fax: +39 010 600 3577

Block E Level 4                                        Mobile: +39 335 =
7181762

www.ericsson.com <http://www.ericsson.com/>                              =
diego.caviglia@ericsson.com

This communication is confidential and intended solely for the =
addressee(s). Any unauthorized review, use, disclosure or distribution =
is prohibited. If you believe this message has been sent to you in =
error, please notify the sender by replying to this transmission and =
delete the message without disclosing it. Thank you.

________________________________

________________________________

From: Jin, Lizhong (NSN - CN/Shanghai) [mailto:lizhong.jin@nsn.com]=20
Sent: mercoled=EC 8 luglio 2009 13.16
To: Diego Caviglia; bao.yuanlin@zte.com.cn; fu.xihua@zte.com.cn; =
Sprecher, Nurit (NSN - IL/Hod HaSharon)
Cc: Jiang, Qiaofeng (NSN - CN/Beijing); Pasqualini, Sandrine (NSN - =
DE/Munich); Daniele Ceccarelli; Francesco Fondelli; =
marco.corsi@altran.it; ke.ming@zte.com.cn; dbrungard@att.com; =
lberger@labn.net; ext ROTHKEGEL, Walter (Walter); ccamp@ietf.org
Subject: RE: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00

=20

Hi Diego, Xinhua and all:
I reviewed the two documents =
(draft-fuxh-ccamp-gmpls-extension-for-evolutive-otn-00 and =
draft-ceccarelli-ccamp-gmpls-g709-am3-00), and the two drafts can really =
complement with each other. So I strongly recommend that the two drafts =
can come to one draft. ODU industry and IETF standardization can benefit =
from this kind of document merging. And we will support the merged draft =
if you two agree on this issue.

=20

The main point of this new extension is about the label space definition =
for G.709 am3. I give the following conclusion with 4 parts:=20
1. In order to avoid incompatibility with pre-G.709, draft-ceccarelli =
draft defines additional label space based on "ST+NMC+interface". But =
NMC is not always right for G.709 am3, see my No3 point. Other comments =
are below:
a. The definition of "ST+NMC" in the draft is also missing some content, =
e.g, ODU4, ODU3 to ODU4 multiplexing.=20

=20

2. For draft-fuxh draft, it defines another label space for G.709, and =
add a version number to avoid incompatibility with pre-G.709. The label =
space is based on version+interface. But this solution leads to =
interoperability complexity, and have some problem. See the reasons =
below:
a. In section 4 of the three scenarios, how can the NE know the adjacent =
NE's capability, pre-G.709 or G.709 Amendment3 NE?
b. In scenario 3, the first pre-G.709 NE can not idetify V bit, so it =
can not identify the label encoding according to the new label space =
defined in this draft.

I did not detailly review the 01 version of draft-fuxh, but it seems =
that the problem has been solved by redefining signal type, and remove V =
bit.

=20

3. For signal type definition, I prefer to draft-fuxh's draft solution. =
NMC is not useful in G.709 am3, because although most Lower Order ODUk =
signals have the same number of tributary slots in all High Order ODUk, =
there are a few exceptions, e.g, ODU2e. When doing RSVP-TE signaling, =
only one NMC can be specified, which results the ill definition of NMC =
in RFC4328. This should be mentioned in the draft.

=20

4. Above all, the lable space based on ST+NMC+interface in =
draft-ceccarelli is better, and the ST definition in draft-fuxh is =
better. And we should add modification to NMC definition.

=20

Best Regards
Lizhong Jin


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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Hi =
Jin,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>=A0=A0=A0=A0=A0=A0=A0=A0=A0 First =
of all thanks for your
comments, very appreciated.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>I fully agree that we should try to =
merge
the IDs we have right now on this matter, that is </span></font><font =
size=3D2
color=3Dblue face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;
color:blue'>-fuxh-ccamp-gmpls-extension-for-evolutive-otn-00, =
draft-ceccarelli-ccamp-gmpls-g709-am3-00
and also =
draft-zhang-ccamp-gmpls-evolving-g709-01.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>The first two are more similar in =
the
approach used for the definition of the ODU label while the last one =
defines a
different approach based on a bit map.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>Merging of the first two could be =
easier
and could be, if Fu and Bao agree, a first step, next one could be the =
merge
with Fatai ID.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>Hope all of us agree on =
this.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>BR<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>Diego<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
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<div style=3D'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm =
0cm 4.0pt'>

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size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font =
size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> Jin, =
Lizhong
(NSN - CN/Shanghai) [mailto:lizhong.jin@nsn.com] <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> mercoled=EC 8 =
luglio 2009
13.16<br>
<b><span style=3D'font-weight:bold'>To:</span></b> Diego Caviglia;
bao.yuanlin@zte.com.cn; fu.xihua@zte.com.cn; Sprecher, Nurit (NSN - =
IL/Hod
HaSharon)<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> Jiang, Qiaofeng (NSN =
-
CN/Beijing); Pasqualini, Sandrine (NSN - DE/Munich); Daniele Ceccarelli; =
<st1:PersonName
w:st=3D"on">Francesco Fondelli</st1:PersonName>; marco.corsi@altran.it;
ke.ming@zte.com.cn; dbrungard@att.com; <st1:PersonName =
w:st=3D"on">lberger@labn.net</st1:PersonName>;
ext ROTHKEGEL, Walter (Walter); ccamp@ietf.org<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> RE: [CCAMP] : =
comments of
draft-ke-ccamp-gmpls-odu0-00</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>Hi&nbsp;Diego, Xinhua&nbsp;and =
all:<br>
I reviewed the two documents
(draft-fuxh-ccamp-gmpls-extension-for-evolutive-otn-00 and
draft-ceccarelli-ccamp-gmpls-g709-am3-00), and the two drafts can really
complement with each other. So I strongly recommend that the two drafts =
can
come to one draft. ODU industry and IETF standardization can benefit =
from this
kind of document merging. And&nbsp;we will support the merged draft if =
you two
agree on this issue.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>The main point of this new =
extension is
about the label space definition for G.709 am3.&nbsp;I give the =
following
conclusion with 4 parts: <br>
1. In order to avoid incompatibility with pre-G.709, draft-ceccarelli =
draft
defines additional label space based on =
&quot;ST+NMC+interface&quot;.&nbsp;But
NMC is not always right for G.709 am3, see my No3 point. Other comments =
are
below:<br>
a. The definition of &quot;ST+NMC&quot; in the draft is also missing =
some
content, e.g, ODU4, ODU3 to ODU4 multiplexing. =
</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>2. For draft-fuxh draft, it defines
another label space for G.709, and add a version number to avoid
incompatibility with pre-G.709. The label space is based
on&nbsp;version+interface. But this solution leads to interoperability
complexity, and have some problem. See the reasons below:<br>
a. In section 4 of the three scenarios, how can the NE know the adjacent =
NE's
capability, pre-G.709 or G.709 Amendment3 NE?<br>
b. In scenario 3, the first pre-G.709 NE can not idetify V bit, so it =
can not
identify the label encoding according to the new label space defined in =
this
draft.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>I did not detailly review the 01 =
version
of draft-fuxh, but it seems that the problem has been solved by =
redefining
signal type, and remove V bit.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>3. For signal type definition, I =
prefer to
draft-fuxh's draft solution. NMC is not useful in G.709 am3, =
because&nbsp;although
most&nbsp;Lower Order ODUk signals have the same number of tributary =
slots in
all High Order ODUk, there are a few exceptions, e.g, ODU2e. When doing =
RSVP-TE
signaling, only one NMC can be specified, which results the ill =
definition of
NMC in RFC4328. This should be mentioned in the =
draft.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>4. Above all, the lable space based =
on
ST+NMC+interface in draft-ceccarelli is better, and the ST definition in
draft-fuxh is better. And we should add modification to NMC =
definition.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>Best Regards<br>
Lizhong Jin</span></font><o:p></o:p></p>

</div>

</div>

</div>

</body>

</html>

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From dbrungard@att.com  Wed Jul  8 08:44:47 2009
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From: "BRUNGARD, DEBORAH A, ATTLABS" <dbrungard@att.com>
To: <ccamp@ietf.org>
Subject: Re: [CCAMP] Working group last call:draft-ietf-ccamp-gmpls-ethernet-pbb-te-02.txt
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The last call has ended.

Authors, please address comments from the list and update the document.

Thanks,
Deborah and Lou

-----Original Message-----
From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf
Of BRUNGARD, DEBORAH A, ATTLABS
Sent: Tuesday, June 23, 2009 9:55 AM
To: ccamp@ietf.org
Subject: [CCAMP] Working group last
call:draft-ietf-ccamp-gmpls-ethernet-pbb-te-02.txt

This email begins a two week working group last call on
draft-ietf-ccamp-gmpls-ethernet-pbb-te-02.txt

http://www.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-ethernet-pbb-
te-02.txt
=20
Please send your comments to the list or the authors before the last
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_______________________________________________
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From lberger@labn.net  Wed Jul  8 09:16:24 2009
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From: Lou Berger <lberger@labn.net>
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Subject: [CCAMP] Time to recharter: input request
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All,

Our current charter milestones (see
http://www.ietf.org/html.charters/ccamp-charter.html) were targeted to
be completed last month.  As such, it is time for the WG to revisit the
charter and determine where we go next.  Given our healthy document
load, we expect to recharter with a new set of milestones.

At this point, we would like to solicit input from the WG on what they
would like to see
 (a) changed in the "Description of Working Group" and
 (b) added as a chartered milestone.

If there is sufficient input and available WG session time, we will
review the results of any provided input in Stockholm.

Please send your input either to the ccamp list or, if you feel
necessary, privately to the WG chairs.

Much thanks,
Lou (and Deborah)

From daniele.ceccarelli@ericsson.com  Wed Jul  8 09:34:55 2009
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From: "Daniele Ceccarelli" <daniele.ceccarelli@ericsson.com>
To: "Jin, Lizhong (NSN - CN/Shanghai)" <lizhong.jin@nsn.com>, "Diego Caviglia" <diego.caviglia@ericsson.com>, <bao.yuanlin@zte.com.cn>, <fu.xihua@zte.com.cn>, "Sprecher, Nurit (NSN - IL/Hod HaSharon)" <nurit.sprecher@nsn.com>
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Subject: Re: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00
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Hi Lizhong,

=20

Please see my comments inline.

=20

We'll produce a -01 draft and, as Diego previously said, will propose a =
merged solution as soon as possible.

=20

Best regards

Daniele

=20

=20

________________________________

From: Jin, Lizhong (NSN - CN/Shanghai) [mailto:lizhong.jin@nsn.com]=20
Sent: mercoled=EC 8 luglio 2009 13.16
To: Diego Caviglia; bao.yuanlin@zte.com.cn; fu.xihua@zte.com.cn; =
Sprecher, Nurit (NSN - IL/Hod HaSharon)
Cc: Jiang, Qiaofeng (NSN - CN/Beijing); Pasqualini, Sandrine (NSN - =
DE/Munich); Daniele Ceccarelli; Francesco Fondelli; =
marco.corsi@altran.it; ke.ming@zte.com.cn; dbrungard@att.com; =
lberger@labn.net; ext ROTHKEGEL, Walter (Walter); ccamp@ietf.org
Subject: RE: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00

=20

Hi Diego, Xinhua and all:
I reviewed the two documents =
(draft-fuxh-ccamp-gmpls-extension-for-evolutive-otn-00 and =
draft-ceccarelli-ccamp-gmpls-g709-am3-00), and the two drafts can really =
complement with each other. So I strongly recommend that the two drafts =
can come to one draft. ODU industry and IETF standardization can benefit =
from this kind of document merging. And we will support the merged draft =
if you two agree on this issue.

=20

The main point of this new extension is about the label space definition =
for G.709 am3. I give the following conclusion with 4 parts:=20
1. In order to avoid incompatibility with pre-G.709, draft-ceccarelli =
draft defines additional label space based on "ST+NMC+interface". But =
NMC is not always right for G.709 am3, see my No3 point. Other comments =
are below:
a. The definition of "ST+NMC" in the draft is also missing some content, =
e.g, ODU4, ODU3 to ODU4 multiplexing.=20

[DC] - I don't know where did they disappear :-) We will introduce them =
in -01

=20

2. For draft-fuxh draft, it defines another label space for G.709, and =
add a version number to avoid incompatibility with pre-G.709. The label =
space is based on version+interface. But this solution leads to =
interoperability complexity, and have some problem. See the reasons =
below:
a. In section 4 of the three scenarios, how can the NE know the adjacent =
NE's capability, pre-G.709 or G.709 Amendment3 NE?
b. In scenario 3, the first pre-G.709 NE can not idetify V bit, so it =
can not identify the label encoding according to the new label space =
defined in this draft.

I did not detailly review the 01 version of draft-fuxh, but it seems =
that the problem has been solved by redefining signal type, and remove V =
bit.

=20

3. For signal type definition, I prefer to draft-fuxh's draft solution. =
NMC is not useful in G.709 am3, because although most Lower Order ODUk =
signals have the same number of tributary slots in all High Order ODUk, =
there are a few exceptions, e.g, ODU2e. When doing RSVP-TE signaling, =
only one NMC can be specified, which results the ill definition of NMC =
in RFC4328. This should be mentioned in the draft.

[DC] - Could you please explain better? Maybe with an example.

=20

4. Above all, the lable space based on ST+NMC+interface in =
draft-ceccarelli is better, and the ST definition in draft-fuxh is =
better. And we should add modification to NMC definition.

=20

Best Regards
Lizhong Jin


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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Hi =
Lizhong,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Please see my comments =
inline.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>We&#8217;ll produce a -01 draft =
and, as
Diego previously said, will propose a merged solution as soon as =
possible.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Best =
regards<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Daniele<o:p></o:p></span></font></p>=


<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

<div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font =
size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font =
size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> Jin, =
Lizhong
(NSN - CN/Shanghai) [mailto:lizhong.jin@nsn.com] <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> mercoled=EC 8 =
luglio 2009
13.16<br>
<b><span style=3D'font-weight:bold'>To:</span></b> Diego Caviglia;
bao.yuanlin@zte.com.cn; fu.xihua@zte.com.cn; Sprecher, Nurit (NSN - =
IL/Hod
HaSharon)<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> Jiang, Qiaofeng (NSN =
-
CN/Beijing); Pasqualini, Sandrine (NSN - DE/Munich); Daniele Ceccarelli;
Francesco Fondelli; marco.corsi@altran.it; ke.ming@zte.com.cn;
dbrungard@att.com; lberger@labn.net; ext ROTHKEGEL, Walter (Walter);
ccamp@ietf.org<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> RE: [CCAMP] : =
comments of
draft-ke-ccamp-gmpls-odu0-00</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>Hi&nbsp;Diego, Xinhua&nbsp;and =
all:<br>
I reviewed the two documents
(draft-fuxh-ccamp-gmpls-extension-for-evolutive-otn-00 and
draft-ceccarelli-ccamp-gmpls-g709-am3-00), and the two drafts can really
complement with each other. So I strongly recommend that the two drafts =
can
come to one draft. ODU industry and IETF standardization can benefit =
from this
kind of document merging. And&nbsp;we will support the merged draft if =
you two
agree on this issue.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>The main point of this new =
extension is
about the label space definition for G.709 am3.&nbsp;I give the =
following
conclusion with 4 parts: <br>
1. In order to avoid incompatibility with pre-G.709, draft-ceccarelli =
draft defines
additional label space based on &quot;ST+NMC+interface&quot;.&nbsp;But =
NMC is
not always right for G.709 am3, see my No3 point. Other comments are =
below:<br>
a. The definition of &quot;ST+NMC&quot; in the draft is also missing =
some
content, e.g, ODU4, ODU3 to ODU4 multiplexing. </span></font><font =
size=3D2
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p=
>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>[DC] &#8211; I don&#8217;t know =
where did
they disappear </span></font><font size=3D2 color=3Dnavy =
face=3DWingdings><span
style=3D'font-size:10.0pt;font-family:Wingdings;color:navy'>J</span></fon=
t><font
size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'> We will introduce them in -01<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>2. For draft-fuxh draft, it defines
another label space for G.709, and add a version number to avoid
incompatibility with pre-G.709. The label space is based
on&nbsp;version+interface. But this solution leads to interoperability
complexity, and have some problem. See the reasons below:<br>
a. In section 4 of the three scenarios, how can the NE know the adjacent =
NE's
capability, pre-G.709 or G.709 Amendment3 NE?<br>
b. In scenario 3, the first pre-G.709 NE can not idetify V bit, so it =
can not
identify the label encoding according to the new label space defined in =
this
draft.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>I did not detailly review the 01 =
version
of draft-fuxh, but it seems that the problem has been solved by =
redefining
signal type, and remove V bit.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>3. For signal type definition, I =
prefer to
draft-fuxh's draft solution. NMC is not useful in G.709 am3,
because&nbsp;although most&nbsp;Lower Order ODUk signals have the same =
number
of tributary slots in all High Order ODUk, there are a few exceptions, =
e.g,
ODU2e. When doing RSVP-TE signaling, only one NMC can be specified, =
which
results the ill definition of NMC in RFC4328. This should be mentioned =
in the
draft.</span></font><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>[DC] &#8211; Could you please =
explain better?
Maybe with an example.<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>4. Above all, the lable space based =
on
ST+NMC+interface in draft-ceccarelli is better, and the ST definition in
draft-fuxh is better. And we should add modification to NMC =
definition.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>Best Regards<br>
Lizhong Jin</span></font><o:p></o:p></p>

</div>

</div>

</body>

</html>

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Date: Wed, 8 Jul 2009 15:31:47 -0400
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From: "BRUNGARD, DEBORAH A, ATTLABS" <dbrungard@att.com>
To: <ccamp@ietf.org>
Subject: [CCAMP] IETF 75 CCAMP Draft Agenda
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CCAMP,

Here's the draft agenda:
http://www.ietf.org/proceedings/09jul/agenda/ccamp.htm

We don't think at this time that we need the second session  (Friday
Afternoon). Please provide comments on this agenda and we will make a
decision on Friday's session by next week.

Deborah and Lou

From lizhong.jin@nsn.com  Wed Jul  8 23:29:44 2009
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From: "Jin, Lizhong (NSN - CN/Shanghai)" <lizhong.jin@nsn.com>
To: "ext Daniele Ceccarelli" <daniele.ceccarelli@ericsson.com>, "Diego Caviglia" <diego.caviglia@ericsson.com>, <bao.yuanlin@zte.com.cn>, <fu.xihua@zte.com.cn>, "Sprecher, Nurit (NSN - IL/Hod HaSharon)" <nurit.sprecher@nsn.com>
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Cc: "Pasqualini, Sandrine \(NSN - DE/Munich\)" <sandrine.pasqualini@nsn.com>, "ext ROTHKEGEL, Walter \(Walter\)" <wrothkegel@alcatel-lucent.com>, "Jiang, Qiaofeng \(NSN - CN/Beijing\)" <qiaofeng.jiang@nsn.com>, ccamp@ietf.org, marco.corsi@altran.it, Francesco Fondelli <francesco.fondelli@ericsson.com>
Subject: Re: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00
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Hi Daniele:
For example, if we want to setup a ODU2e LSP from the ingress node, then =
we should specified the NMC value. If ODU2e LSP should multiplex to OTU3 =
and OTU4 along the path, because ODU2e fits into 9*1.25G tributary slots =
of OPU3, or 8*1.25G tributary slots of OPU4, then you will doubt which =
value should be applied, 8 or 9. Another example, if we setup a ODUk LSP =
which will multiplex with both 1.25G TS and 2.5G TS along the path (the =
path will have both 1.25G TS and 2.5G TS OPUk), then the NMC is =
different for 1.25G TS and 2.5G TS OPUk.=20
=20
Best Regards
Lizhong Jin

________________________________

From: ext Daniele Ceccarelli [mailto:daniele.ceccarelli@ericsson.com]=20
Sent: Thursday, July 09, 2009 0:37
To: Jin, Lizhong (NSN - CN/Shanghai); Diego Caviglia; =
bao.yuanlin@zte.com.cn; fu.xihua@zte.com.cn; Sprecher, Nurit (NSN - =
IL/Hod HaSharon)
Cc: Jiang, Qiaofeng (NSN - CN/Beijing); Pasqualini, Sandrine (NSN - =
DE/Munich); Francesco Fondelli; marco.corsi@altran.it; =
ke.ming@zte.com.cn; dbrungard@att.com; lberger@labn.net; ext ROTHKEGEL, =
Walter (Walter); ccamp@ietf.org
Subject: RE: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00



Hi Lizhong,

=20

Please see my comments inline.

=20

We'll produce a -01 draft and, as Diego previously said, will propose a =
merged solution as soon as possible.

=20

Best regards

Daniele

=20

=20

________________________________

From: Jin, Lizhong (NSN - CN/Shanghai) [mailto:lizhong.jin@nsn.com]=20
Sent: mercoled=EC 8 luglio 2009 13.16
To: Diego Caviglia; bao.yuanlin@zte.com.cn; fu.xihua@zte.com.cn; =
Sprecher, Nurit (NSN - IL/Hod HaSharon)
Cc: Jiang, Qiaofeng (NSN - CN/Beijing); Pasqualini, Sandrine (NSN - =
DE/Munich); Daniele Ceccarelli; Francesco Fondelli; =
marco.corsi@altran.it; ke.ming@zte.com.cn; dbrungard@att.com; =
lberger@labn.net; ext ROTHKEGEL, Walter (Walter); ccamp@ietf.org
Subject: RE: [CCAMP] : comments of draft-ke-ccamp-gmpls-odu0-00

=20

Hi Diego, Xinhua and all:
I reviewed the two documents =
(draft-fuxh-ccamp-gmpls-extension-for-evolutive-otn-00 and =
draft-ceccarelli-ccamp-gmpls-g709-am3-00), and the two drafts can really =
complement with each other. So I strongly recommend that the two drafts =
can come to one draft. ODU industry and IETF standardization can benefit =
from this kind of document merging. And we will support the merged draft =
if you two agree on this issue.

=20

The main point of this new extension is about the label space definition =
for G.709 am3. I give the following conclusion with 4 parts:=20
1. In order to avoid incompatibility with pre-G.709, draft-ceccarelli =
draft defines additional label space based on "ST+NMC+interface". But =
NMC is not always right for G.709 am3, see my No3 point. Other comments =
are below:
a. The definition of "ST+NMC" in the draft is also missing some content, =
e.g, ODU4, ODU3 to ODU4 multiplexing.=20

[DC] - I don't know where did they disappear :-) We will introduce them =
in -01

=20

2. For draft-fuxh draft, it defines another label space for G.709, and =
add a version number to avoid incompatibility with pre-G.709. The label =
space is based on version+interface. But this solution leads to =
interoperability complexity, and have some problem. See the reasons =
below:
a. In section 4 of the three scenarios, how can the NE know the adjacent =
NE's capability, pre-G.709 or G.709 Amendment3 NE?
b. In scenario 3, the first pre-G.709 NE can not idetify V bit, so it =
can not identify the label encoding according to the new label space =
defined in this draft.

I did not detailly review the 01 version of draft-fuxh, but it seems =
that the problem has been solved by redefining signal type, and remove V =
bit.

=20

3. For signal type definition, I prefer to draft-fuxh's draft solution. =
NMC is not useful in G.709 am3, because although most Lower Order ODUk =
signals have the same number of tributary slots in all High Order ODUk, =
there are a few exceptions, e.g, ODU2e. When doing RSVP-TE signaling, =
only one NMC can be specified, which results the ill definition of NMC =
in RFC4328. This should be mentioned in the draft.

[DC] - Could you please explain better? Maybe with an example.

=20

4. Above all, the lable space based on ST+NMC+interface in =
draft-ceccarelli is better, and the ST definition in draft-fuxh is =
better. And we should add modification to NMC definition.

=20

Best Regards
Lizhong Jin


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<DIV dir=3Dltr align=3Dleft><FONT face=3DArial><FONT =
color=3D#0000ff><FONT size=3D2><SPAN=20
class=3D730054305-09072009>Hi </SPAN></FONT></FONT></FONT><FONT =
face=3DArial><FONT=20
color=3D#0000ff><FONT size=3D2><SPAN =
class=3D730054305-09072009></SPAN>Daniele<SPAN=20
class=3D730054305-09072009>:</SPAN></FONT></FONT></FONT></DIV>
<DIV dir=3Dltr align=3Dleft><FONT face=3DArial><FONT =
color=3D#0000ff><FONT size=3D2><SPAN=20
class=3D730054305-09072009>For example, if we want to setup a ODU2e LSP =
from the=20
ingress node, then we should specified the NMC value. If ODU2e LSP =
should=20
multiplex to OTU3 and OTU4 along the path, because ODU2e fits =
into&nbsp;9*1.25G=20
tributary slots of OPU3, or 8*1.25G tributary slots of OPU4, then you =
will doubt=20
which value should be applied, 8 or 9. Another example, if we setup a =
ODUk LSP=20
which will multiplex&nbsp;with&nbsp;both 1.25G TS and 2.5G TS along the =
path=20
(the path will have both 1.25G TS and 2.5G TS OPUk), then the NMC is =
different=20
for 1.25G TS and 2.5G TS OPUk. </SPAN></FONT></FONT></FONT></DIV>
<DIV dir=3Dltr align=3Dleft><FONT face=3DArial><FONT =
color=3D#0000ff><FONT size=3D2><SPAN=20
class=3D730054305-09072009></SPAN></FONT></FONT></FONT>&nbsp;</DIV>
<DIV dir=3Dltr align=3Dleft><FONT face=3DArial><FONT =
color=3D#0000ff><FONT size=3D2><SPAN=20
class=3D730054305-09072009>Best =
Regards</SPAN></FONT></FONT></FONT></DIV>
<DIV dir=3Dltr align=3Dleft><FONT face=3DArial><FONT =
color=3D#0000ff><FONT size=3D2><SPAN=20
class=3D730054305-09072009>Lizhong =
Jin</SPAN></FONT></FONT></FONT></DIV><BR>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft>
<HR tabIndex=3D-1>
<FONT face=3DTahoma size=3D2><B>From:</B> ext Daniele Ceccarelli=20
[mailto:daniele.ceccarelli@ericsson.com] <BR><B>Sent:</B> Thursday, July =
09,=20
2009 0:37<BR><B>To:</B> Jin, Lizhong (NSN - CN/Shanghai); Diego =
Caviglia;=20
bao.yuanlin@zte.com.cn; fu.xihua@zte.com.cn; Sprecher, Nurit (NSN - =
IL/Hod=20
HaSharon)<BR><B>Cc:</B> Jiang, Qiaofeng (NSN - CN/Beijing); Pasqualini, =
Sandrine=20
(NSN - DE/Munich); Francesco Fondelli; marco.corsi@altran.it;=20
ke.ming@zte.com.cn; dbrungard@att.com; lberger@labn.net; ext ROTHKEGEL, =
Walter=20
(Walter); ccamp@ietf.org<BR><B>Subject:</B> RE: [CCAMP] : comments of=20
draft-ke-ccamp-gmpls-odu0-00<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=3DSection1>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hi=20
Lizhong,<o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Please see my =
comments=20
inline.<o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">We=92ll =
produce a -01=20
draft and, as Diego previously said, will propose a merged solution as =
soon as=20
possible.<o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Best=20
regards<o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Daniele<o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<DIV>
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =

face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>
</SPAN></FONT></DIV>
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT=20
face=3DTahoma size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma"> Jin,=20
Lizhong (NSN - CN/Shanghai) [mailto:lizhong.jin@nsn.com] <BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> mercoled=EC 8 luglio 2009=20
13.16<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> Diego =
Caviglia;=20
bao.yuanlin@zte.com.cn; fu.xihua@zte.com.cn; Sprecher, Nurit (NSN - =
IL/Hod=20
HaSharon)<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B> Jiang, =
Qiaofeng=20
(NSN - CN/Beijing); Pasqualini, Sandrine (NSN - DE/Munich); Daniele =
Ceccarelli;=20
Francesco Fondelli; marco.corsi@altran.it; ke.ming@zte.com.cn;=20
dbrungard@att.com; lberger@labn.net; ext ROTHKEGEL, Walter (Walter);=20
ccamp@ietf.org<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Subject:</SPAN></B> RE:=20
[CCAMP] : comments of=20
draft-ke-ccamp-gmpls-odu0-00</SPAN></FONT><o:p></o:p></P></DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
Arial">Hi&nbsp;Diego,=20
Xinhua&nbsp;and all:<BR>I reviewed the two documents=20
(draft-fuxh-ccamp-gmpls-extension-for-evolutive-otn-00 and=20
draft-ceccarelli-ccamp-gmpls-g709-am3-00), and the two drafts can really =

complement with each other. So I strongly recommend that the two drafts =
can come=20
to one draft. ODU industry and IETF standardization can benefit from =
this kind=20
of document merging. And&nbsp;we will support the merged draft if you =
two agree=20
on this issue.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">The main =
point of this=20
new extension is about the label space definition for G.709 am3.&nbsp;I =
give the=20
following conclusion with 4 parts: <BR>1. In order to avoid =
incompatibility with=20
pre-G.709, draft-ceccarelli draft defines additional label space based =
on=20
"ST+NMC+interface".&nbsp;But NMC is not always right for G.709 am3, see =
my No3=20
point. Other comments are below:<BR>a. The definition of "ST+NMC" in the =
draft=20
is also missing some content, e.g, ODU4, ODU3 to ODU4 multiplexing.=20
</SPAN></FONT><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">[DC] =96 I =
don=92t know=20
where did they disappear </SPAN></FONT><FONT face=3DWingdings =
color=3Dnavy=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Wingdings">J</SPAN></FONT><FONT=20
face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"> We will =
introduce them=20
in -01<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">2. For =
draft-fuxh=20
draft, it defines another label space for G.709, and add a version =
number to=20
avoid incompatibility with pre-G.709. The label space is based=20
on&nbsp;version+interface. But this solution leads to interoperability=20
complexity, and have some problem. See the reasons below:<BR>a. In =
section 4 of=20
the three scenarios, how can the NE know the adjacent NE's capability, =
pre-G.709=20
or G.709 Amendment3 NE?<BR>b. In scenario 3, the first pre-G.709 NE can =
not=20
idetify V bit, so it can not identify the label encoding according to =
the new=20
label space defined in this draft.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">I did not =
detailly=20
review the 01 version of draft-fuxh, but it seems that the problem has =
been=20
solved by redefining signal type, and remove V=20
bit.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">3. For signal =
type=20
definition, I prefer to draft-fuxh's draft solution. NMC is not useful =
in G.709=20
am3, because&nbsp;although most&nbsp;Lower Order ODUk signals have the =
same=20
number of tributary slots in all High Order ODUk, there are a few =
exceptions,=20
e.g, ODU2e. When doing RSVP-TE signaling, only one NMC can be specified, =
which=20
results the ill definition of NMC in RFC4328. This should be mentioned =
in the=20
draft.</SPAN></FONT><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">[DC] =96 =
Could you please=20
explain better? Maybe with an =
example.<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">4. Above all, =
the lable=20
space based on ST+NMC+interface in draft-ceccarelli is better, and the =
ST=20
definition in draft-fuxh is better. And we should add modification to =
NMC=20
definition.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Best =
Regards<BR>Lizhong=20
Jin</SPAN></FONT><o:p></o:p></P></DIV></DIV></BODY></HTML>

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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Common Control and Measurement Plane Working Group of the IETF.


	Title           : Label Switched Path (LSP) Dynamic Provisioning Performance Metrics in Generalized MPLS Networks
	Author(s)       : W. Sun, et al.
	Filename        : draft-ietf-ccamp-lsp-dppm-06.txt
	Pages           : 49
	Date            : 2009-07-09

Generalized Multi-Protocol Label Switching (GMPLS) is one of the most
promising candidate technologies for future data transmission
network.  GMPLS has been developed to control and operate different
kinds of network elements, such as conventional routers, switches,
Dense Wavelength Division Multiplexing (DWDM) systems, Add- Drop
Multiplexers (ADMs), photonic cross-connects (PXCs), optical cross-
connects (OXCs), etc.  Dynamic provisioning ability of these
physically diverse devices differs from each other drastically.  At
the same time, the need for dynamically provisioned connections is
increasing because optical networks are being deployed in metro
areas.  As different applications have varied requirements in the
provisioning performance of optical networks, it is imperative to
define standardized metrics and procedures such that the performance
of networks and application needs can be mapped to each other.

This document provides a series of performance metrics to evaluate
the dynamic LSP provisioning performance in GMPLS networks,
specifically the dynamic LSP setup/release performance.  These
metrics can depict the features of GMPLS networks in LSP dynamic
provisioning.  They can also be used in operational networks for
carriers to monitor the control plane performance in realtime.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-lsp-dppm-06.txt

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Subject: [CCAMP] DPPM draft updated
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------=_NextPart_000_00B8_01CA00B7.6052BA50
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	charset="gb2312"
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Hello Lou and CCAMP,

We have updated the dppm draft (draft-ietf-ccamp-lsp-dppm) according to =
the LC comments and the off-the-list dicussions between Lou and the =
authors.
A new version is now available at: =
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-lsp-dppm-06.txt
Many thanks to Lou for the comments and help.

The comments and our changes are summarized below. Please let us know if =
you have further comments/concerns.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
-As the draft is listed as a "Standards Track" document it needs to
   include some formal conformance language.  For a minimal example, see
   RFC2681's usage of RFC2119 language.  I think your choices are either
   make this document Informational or add the conformance language.

[Changes]
We have added formal language at the points where we think applicable.=20

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
- As always, please cleanup any idnits identified issues.

[Changes]
All nits have been resolved.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
- In general it seems to me that for the performance metrics to be
   complete and fully useful a metric that quantifies data path
   availability relative to connection request and establishment is
   required.  In section 15 you do say:
   ...
   But I really don't think this is sufficient, and feel that data path
   metric parameters and related methodologies needs to be added to
   each of metrics/test cases.  If you'd like to indicate that
   these are OPTIONAL metric parameters, that is fine with me.
   But, IMO, the document is incomplete without them.  I have
   heard from others that they agree with this point too.  (I can
   try to get them to speak up publicly if this turns out to be
   necessary.)

[Changes]=20
We have composed another draft and added a reference in this document.
(draft-sun-ccamp-dpm-00.txt)
The draft has been posted on the list and will be presented in =
Stockholm.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
- In the tests you treat all failures as an "undefined" result.  It
   seems to me that it would be more useful to identify and track
   (i.e., count) specific types of errors rather than just define
   all errors as "undefined" metrics.

[Changes]
We removed section "13. Discussion for unsuccessful setup/release cases"
in the original text and added a sub-section in section 14:
"14.4.  Failure statistics of Metric"
And also, in the metrics definition sections, we also added a =
referencing paragraph:
Eg.,
   The undefined value of this metric indicates an event of Single Uni-
   directional LSP Setup Failure, and would be used to report a count or
   an percentage of Single Uni-directional LSP Setup failures.  See
   section Section 14.4 for definitions of LSP setup/release failures.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
- The document should be run through a spell checker, there are
   a number of spelling errors.

[Changes]
A considerable number of spelling errors have been corrected :)

Thanks and best regards,
-authors
------=_NextPart_000_00B8_01CA00B7.6052BA50
Content-Type: text/html;
	charset="gb2312"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Dunicode" =
http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 8.00.6001.18783"></HEAD>
<BODY style=3D"PADDING-LEFT: 10px; PADDING-RIGHT: 10px; PADDING-TOP: =
15px"=20
id=3DMailContainerBody leftMargin=3D0 topMargin=3D0 =
CanvasTabStop=3D"true"=20
name=3D"Compose message area">
<DIV>Hello Lou and CCAMP,<BR><BR>We have updated the dppm draft=20
(draft-ietf-ccamp-lsp-dppm) according to the LC comments and the =
off-the-list=20
dicussions between Lou and the authors.</DIV>
<DIV>A new version is now available at: <A=20
title=3D"http://www.ietf.org/internet-drafts/draft-ietf-ccamp-lsp-dppm-06=
.txt&#10;CTRL + Click to follow link"=20
href=3D"http://www.ietf.org/internet-drafts/draft-ietf-ccamp-lsp-dppm-06.=
txt">http://www.ietf.org/internet-drafts/draft-ietf-ccamp-lsp-dppm-06.txt=
</A><BR>Many=20
thanks to Lou for the comments and help.<BR><BR>The comments and our =
changes are=20
summarized below. Please let us know if you have further=20
comments/concerns.<BR></DIV><FONT face=3DArial></FONT>
<DIV>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</DIV>
<DIV>-As the draft is listed as a "Standards Track" document it needs=20
to<BR>&nbsp;&nbsp; include some formal conformance language.&nbsp; For a =
minimal=20
example, see<BR>&nbsp;&nbsp; RFC2681's usage of RFC2119 language.&nbsp; =
I think=20
your choices are either<BR>&nbsp;&nbsp; make this document Informational =
or add=20
the conformance language.</DIV>
<DIV>&nbsp;</DIV>
<DIV>[Changes]</DIV>
<DIV>We have&nbsp;added formal language at the points where we think=20
applicable.&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</DIV>
<DIV>- As always, please cleanup any idnits identified issues.<BR></DIV>
<DIV>[Changes]</DIV>
<DIV>All nits have been resolved.</DIV>
<DIV>&nbsp;</DIV>
<DIV>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</DIV>
<DIV>- In general it seems to me that for the performance metrics to=20
be<BR>&nbsp;&nbsp; complete and fully useful a metric that quantifies =
data=20
path<BR>&nbsp;&nbsp; availability relative to connection request and=20
establishment is<BR>&nbsp;&nbsp; required.&nbsp; In section 15 you do=20
say:<BR>&nbsp;&nbsp; ...<BR>&nbsp;&nbsp; But I really don't think this =
is=20
sufficient, and feel that data path<BR>&nbsp;&nbsp; metric parameters =
and=20
related methodologies needs to be added to<BR>&nbsp;&nbsp; each of =
metrics/test=20
cases.&nbsp; If you'd like to indicate that<BR>&nbsp;&nbsp; these are =
OPTIONAL=20
metric parameters, that is fine with me.<BR>&nbsp;&nbsp; But, IMO, the =
document=20
is incomplete without them.&nbsp; I have<BR>&nbsp;&nbsp; heard from =
others that=20
they agree with this point too.&nbsp; (I can<BR>&nbsp;&nbsp; try to get =
them to=20
speak up publicly if this turns out to be<BR>&nbsp;&nbsp; =
necessary.)</DIV>
<DIV><BR>[Changes] </DIV>
<DIV>We have composed another draft and added a reference in this=20
document.</DIV>
<DIV>(draft-sun-ccamp-dpm-00.txt)</DIV>
<DIV>The draft has been posted on the list and will be presented in=20
Stockholm.</DIV>
<DIV><BR>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</DIV>
<DIV>- In the tests you treat all failures as an "undefined" =
result.&nbsp;=20
It<BR>&nbsp;&nbsp; seems to me that it would be more useful to identify =
and=20
track<BR>&nbsp;&nbsp; (i.e., count) specific types of errors rather than =
just=20
define<BR>&nbsp;&nbsp; all errors as "undefined" metrics.</DIV>
<DIV>&nbsp;</DIV>
<DIV>[Changes]</DIV>
<DIV>We removed section "13. Discussion for unsuccessful setup/release=20
cases"</DIV>
<DIV>in the original text and added a sub-section in section 14:</DIV>
<DIV>"14.4.&nbsp; Failure statistics of Metric"</DIV>
<DIV>And also, in the metrics definition sections, we also added a =
referencing=20
paragraph:</DIV>
<DIV><FONT size=3D2 face=3DArial>Eg.,</FONT></DIV>
<DIV><FONT size=3D2 face=3DArial>&nbsp;&nbsp; The undefined value of =
this metric=20
indicates an event of Single Uni-<BR>&nbsp;&nbsp; directional LSP Setup =
Failure,=20
and would be used to report a count or<BR>&nbsp;&nbsp; an percentage of =
Single=20
Uni-directional LSP Setup failures.&nbsp; See<BR>&nbsp;&nbsp; section =
Section=20
14.4 for definitions of LSP setup/release failures.</FONT><BR></DIV>
<DIV>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D[LC =
comments]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</DIV>
<DIV>- The document should be run through a spell checker, there=20
are<BR>&nbsp;&nbsp; a number of spelling errors.</DIV>
<DIV><BR>[Changes]</DIV>
<DIV>A considerable number of spelling errors have been corrected =
:)</DIV>
<DIV><FONT size=3D2 face=3DArial></FONT><BR>Thanks and best =
regards,</DIV>
<DIV>-authors</DIV></BODY></HTML>

------=_NextPart_000_00B8_01CA00B7.6052BA50--


From ylee@huawei.com  Thu Jul  9 12:36:19 2009
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Date: Thu, 09 Jul 2009 14:36:36 -0500
From: Young Lee <ylee@huawei.com>
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To: "'BRUNGARD, DEBORAH A, ATTLABS'" <dbrungard@att.com>, ccamp@ietf.org
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Subject: Re: [CCAMP] IETF 75 CCAMP Draft Agenda
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Hi Deborah,

The agenda looks good. Thanks for putting things together to try to make one
CCAMP meeting feasible. 

Regards,
Young 

-----Original Message-----
From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf Of
BRUNGARD, DEBORAH A, ATTLABS
Sent: Wednesday, July 08, 2009 2:32 PM
To: ccamp@ietf.org
Subject: [CCAMP] IETF 75 CCAMP Draft Agenda

CCAMP,

Here's the draft agenda:
http://www.ietf.org/proceedings/09jul/agenda/ccamp.htm

We don't think at this time that we need the second session  (Friday
Afternoon). Please provide comments on this agenda and we will make a
decision on Friday's session by next week.

Deborah and Lou
_______________________________________________
CCAMP mailing list
CCAMP@ietf.org
https://www.ietf.org/mailman/listinfo/ccamp


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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Common Control and Measurement Plane Working Group of the IETF.


	Title           : Routing and Wavelength Assignment Information Model for Wavelength Switched Optical Networks
	Author(s)       : G. Bernstein
	Filename        : draft-ietf-ccamp-rwa-info-03.txt
	Pages           : 19
	Date            : 2009-07-10

This document provides a model of information needed by the routing 
and wavelength assignment (RWA) process in wavelength switched 
optical networks (WSONs).  The purpose of the information described 
in this model is to facilitate constrained lightpath computation in 
WSONs, particularly in cases where there are no or a limited number 
of wavelength converters available. This model does not include 
optical impairments.

A URL for this Internet-Draft is:
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Thread-Topic: MPLS 2009 Conference, Washington DC, October 25-28
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From: "BRUNGARD, DEBORAH A, ATTLABS" <dbrungard@att.com>
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FYI -

The conference program and registration has
been announced for the MPLS 2009 Conference. GMPLS is one of the key
topics.

-------------------------------------------------------------------
PROGRAM ANNOUNCEMENT AND REGISTRATION FOR MPLS 2009 - OCTOBER 25-28,
WASHINGTON DC

Registration for MPLS2009 (October 25-28, Omni Shoreham Hotel in
Washington), the 12th annual International Conference on MPLS and
related
new technologies is now open at:

http://www.isocore.com/mpls2009/registration/attendees.htm=20

MPLS 2009 will include an extensive four day program consisting of
tutorials, technical sessions, panels, and exhibits. The key topics to
be discussed at this year's conference include: Scaling MPLS, MPLS
transport profile, Carrier Ethernet/MPLS deployments and experiences,
Future technologies, Multicast and MPLS, Mobile and wireless backhaul,
Resiliency, and OAM aspects, GMPLS, and emerging applications. The
complete program is available at:

http://www.isocore.com/mpls2009/program/technical_sessions.htm=20

The event will also have an exhibit floor, where leading network
equipment manufacturers will showcase their new offerings, the list of
current sponsors is available at:

http://www.isocore.com/mpls2009/sponsors/sponsors.htm=20

The conference hotel is the Omni Shoreham Hotel in Washington DC. Please
note that there are only a limited number of rooms available this year
at a reduced rate. Reservations can be made at:

http://www.isocore.com/mpls2009/hotel.htm
<http://www.isocore.com/mpls2009/hotel.htm>=20

Isocore once again will showcase live the readiness of leading network
technologies at the Public Interop demonstration on October 29 at
Isocore Internetworking Lab. The details are available at -
http://www.isocore.com/mpls2009/program/inter_op.htm.=20



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--NextPart

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Common Control and Measurement Plane Working Group of the IETF.


	Title           : Routing and Wavelength Assignment Information Encoding for Wavelength Switched Optical Networks
	Author(s)       : G. Bernstein
	Filename        : draft-ietf-ccamp-rwa-wson-encode-02.txt
	Pages           : 34
	Date            : 2009-07-10

A wavelength switched optical network (WSON) requires that certain 
key information elements are made available to facilitate path 
computation and the establishment of label switching paths (LSPs). 
The information model described in "Routing and Wavelength Assignment 
Information for Wavelength Switched Optical Networks" shows what 
information is required at specific points in the WSON. 

The information may be used in Generalized Multiprotocol Label 
Switching (GMPLS) signaling protocols, and may be distributed by 
GMPLS routing protocols. Other distribution mechanisms (for example, 
XML-based protocols) may also be used. 

This document provides efficient, protocol-agnostic encodings for the 
information elements necessary to operate a WSON. It is intended that 
protocol-specific documents will reference this memo to describe how 
information is carried for specific uses. 

 

Conventions used in this document 

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", 
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 
document are to be interpreted as described in RFC-2119 [RFC2119].

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Date: Fri, 10 Jul 2009 17:50:03 -0400
From: Lou Berger <lberger@labn.net>
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To: Greg Bernstein <gregb@grotto-networking.com>
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Cc: ccamp@ietf.org
Subject: Re: [CCAMP] WSON Generalization and Extensions
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Hi Greg,
	Can you give a brief summary of if/how you've addressed the points
below in the latest drafts?

Much thanks,
Lou

On 5/22/2009 10:56 AM, Greg Bernstein wrote:
> Hi CCAMPers, at the San Francisco meeting there were two actions for RWA
> WSON (non-impairment case):
> (1) To look at how the WSON Framework and path computation Info Model
> could be generalized to other technologies.
> (2) To extend the WSON RWA Framework and models to apply to OEO
> switches, regenerators and similar systems.

From zhangfatai@huawei.com  Sun Jul 12 20:00:04 2009
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Date: Mon, 13 Jul 2009 11:00:19 +0800
From: Fatai Zhang <zhangfatai@huawei.com>
To: CCAMP <ccamp@ietf.org>
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Cc: minc@huawei.com, xuyunbin@mail.ritt.com.cn, zhangguoying@mail.ritt.com.cn
Subject: Re: [CCAMP] New Version Notification for draft-zhang-ccamp-rwa-wson-routing-ospf-01
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Hi CCAMPers,

I just submitted an updated version of  [WSON-OSPF].

In this version, it follows the related lastest drafts, such as [WSON-Info] and [WSON-Encode].

Moveover, in order to not re-define the sub-TLVs which are already defined in [WSON-Encode], 
the re-definition of  these sub-TLVs has been taken out from [WSON-OSPF] and  we can just refer to [WSON-Encode].

Please check out the attached file for details.

Any comments are welcome.



Thanks

Fatai
 
Advanced Technology Department
Wireline Networking Business Unit
Huawei Technologies Co., LTD.
Huawei Base, Bantian, Longgang,
Shenzhen 518129 P.R.China
Tel: +86-755-28972912
Fax: +86-755-28972935
  ----- Original Message ----- 
  From: IETF I-D Submission Tool 
  To: zhangfatai@huawei.com 
  Cc: ylee@huawei.com ; hanjianrui@huawei.com ; gregb@grotto-networking.com ; xuyunbin@mail.ritt.com.cn ; zhangguoying@mail.ritt.com.cn ; danli@huawei.com ; minc@huawei.com 
  Sent: Monday, July 13, 2009 10:40 AM
  Subject: New Version Notification for draft-zhang-ccamp-rwa-wson-routing-ospf-01



  A new version of I-D, draft-zhang-ccamp-rwa-wson-routing-ospf-01.txt has been successfuly submitted by Fatai Zhang and posted to the IETF repository.

  Filename: draft-zhang-ccamp-rwa-wson-routing-ospf
  Revision: 01
  Title: OSPF Extensions in Support of Routing and Wavelength Assignment (RWA) in Wavelength Switched Optical Networks (WSONs)
  Creation_date: 2009-07-13
  WG ID: Independent Submission
  Number_of_pages: 14

  Abstract:
  This document describes OSPF routing protocols extensions to support 
  Routing and Wavelength Assignment (RWA) in Wavelength Switched 
  Optical Networks (WSON) under the control of Generalized MPLS (GMPLS). 

   
   
   Conventions used in this document 

  The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", 
  "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 
  document are to be interpreted as described in RFC-2119 [RFC2119].
                                                                                    


  The IETF Secretariat.


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Network work group                                           Fatai Zhang 
Internet Draft                                                 Young Lee 
Intended status: Standards Track                             Jianrui Han   
Expires: January 2010                                             Huawei 
                                                            G. Bernstein  
                                                       Grotto Networking        
                                                               Yunbin Xu 
                                                                    CATR 
                                                           July 13, 2009 
                                      


                                      
            OSPF Extensions in Support of Routing and Wavelength 
      Assignment (RWA) in Wavelength Switched Optical Networks (WSONs) 


                                      
              draft-zhang-ccamp-rwa-wson-routing-ospf-01.txt 


Status of this Memo 

   This Internet-Draft is submitted to IETF in full conformance with   
   the provisions of BCP 78 and BCP 79. 

   Internet-Drafts are working documents of the Internet Engineering   
   Task Force (IETF), its areas, and its working groups.  Note that   
   other groups may also distribute working documents as Internet-   
   Drafts. 

   Internet-Drafts are draft documents valid for a maximum of six months   
   and may be updated, replaced, or obsoleted by other documents at any   
   time.  It is inappropriate to use Internet-Drafts as reference   
   material or to cite them other than as "work in progress." 

   The list of current Internet-Drafts can be accessed at   
   http://www.ietf.org/ietf/1id-abstracts.txt. 

   The list of Internet-Draft Shadow Directories can be accessed at   
   http://www.ietf.org/shadow.html. 

   This Internet-Draft will expire on January 13, 2010. 

Abstract 

   This document describes OSPF routing protocols extensions to support 
   Routing and Wavelength Assignment (RWA) in Wavelength Switched 
   Optical Networks (WSON) under the control of Generalized MPLS (GMPLS). 

 
 
 
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Conventions used in this document 

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", 
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 
   document are to be interpreted as described in RFC-2119 [RFC2119]. 

Table of Contents 

    
   1. Introduction.................................................2 
   2. Node Information.............................................3 
      2.1. Connectivity Matrix.....................................4 
      2.2. Wavelength Converter Pool...............................4 
         2.2.1. Wavelength Converter Accessibility.................4 
         2.2.2. Wavelength Conversion Range........................5 
         2.2.3. WC Usage State.....................................5 
   3. Link Information.............................................5 
      3.1. WSON Port Wavelength Restrictions.......................6 
      3.2. Available Wavelengths...................................6 
      3.3. Shared Backup Wavelengths...............................6 
   4. Procedures for Routing Flooding..............................7 
   5. Security Considerations......................................7 
   6. IANA Considerations..........................................7 
      6.1. Node Information........................................8 
      6.2. Link Information........................................8 
   7. References...................................................8 
   8. Authors' Addresses...........................................11 
   Acknowledgment..................................................12 
    
    

1. Introduction 

   Wavelength switched optical networks (WSONs) are based on Wavelength 
   Division Multiplexing (WDM) in which user traffic is carried by data 
   channels of different optical wavelengths. In traditional WDM 
   Networks, each wavelength path is statically configured. With the 
   deployment of Reconfigurable Optical Add-Drop Multiplexers (ROADMs), 
   photonic cross-connects (PXCs), and tunable laser, WSONs have become 
   more dynamic, and operators can flexibly set up wavelength paths to 
   carry user traffic.  

   In WSONs where there are no or a limited number of switches capable 
   of wavelength conversion paths must be set up subject to the 
   "wavelength continuity" constraint. This leads to a path computation 
   problem known as routing and wavelength assignment (RWA). In order to 

 
 
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   perform such computations, it is necessary to collect information 
   about the available wavelengths within the network. 

   [WSON-Frame] provides a framework for applying GMPLS [RFC3945] and 
   the Path Computation Element (PCE) architecture [RFC4655] to the 
   control of WSONs to address the RWA problem. [WSON-Info] describes an 
   information model that specifies the information needed at various 
   points in a WSON in order to compute paths and establish Label 
   Switched Paths (LSPs). Based on the information model of [WSON-Info], 
   [WSON-Encode] provides efficient protocol-independent encodings of 
   the information needed by the RWA process in a WSON. Such encodings 
   can be used to extend GMPLS signaling and routing protocols.    

   Therefore, in order to enable GMPLS to support Routing and Wavelength 
   Assignment (RWA) in Wavelength Switched Optical Networks (WSON) 
   networks, this document follows on from [WSON-Info], [WSON-Encode], 
   and [WSON-IGP-Eval] to define extensions to the OSPF routing protocol 
   to enhance the Traffic Engineering (TE) properties of GMPLS TE which 
   are defined in [RFC3630], [RFC4202], and [RFC4203]. The enhancements 
   to the Traffic Engineering (TE) properties of GMPLS TE links can be 
   announced in OSPF TE LSAs. The TE LSA, which is an opaque LSA with 
   area flooding scope [RFC3630], has only one top-level 
   Type/Length/Value (TLV) triplet and has one or more nested sub-TLVs 
   for extensibility. The top-level TLV can take one of three values (1) 
   Router Address [RFC3630], (2) Link [RFC3630], (3) Node Attribute 
   [OSPF-Node].  In this document, we enhance the sub-TLVs for the Link 
   TLV and Node Attribute TLV in support of RWA in WSON under the 
   control of GMPLS. 

   The detail encoding of OSPF extensions is not defined in this 
   document. [WSON-Encode] provides encoding detail.  

   No consideration of optical impairment routing related information is 
   included in this document. 

2. Node Information 

   According to [WSON-Info] and [WSON-Encode], the node information 
   about WSON nodes includes Node ID, connectivity matrix, wavelength 
   converter pool information. Except for the Node ID which should 
   comply with Routing Address described in [RFC3630], the other pieces 
   of information are defined in this document. 

   [OSPF-Node] defines a new top TLV named the Node Attribute TLV which 
   carries attributes related to a router/node. This Node Attribute TLV 
   contains one or more sub-TLVs.  

 
 
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   From [WSON-Encode] we have identified the following new Sub-TLVs that 
   must be supported that can be nested under Node Attribute TLV. Detail 
   description for each newly defined Sub-TLV is provided in subsequent 
   sections:  

      Sub-TLV Type    Length       Name 

         TBD          variable    Connectivity Matrix 

         TBD          variable    Wavelength Converter Accessibility  

         TBD          variable    Wavelength Conversion Range 

         TBD          variable    WC Usage State 

2.1. Connectivity Matrix 

   It is necessary to identify which ingress ports and wavelengths can 
   be connected to (the same wavelength on) a specific egress port, 
   because the switching devices in a WSON are highly asymmetric. 

   The Connectivity Matrix is used to identify these restrictions, which 
   can represent either the potential connectivity matrix for asymmetric 
   switches (e.g. ROADMs and such) or fixed connectivity for an 
   asymmetric device such as a multiplexer as defined in [WSON-Info]. 

   The Connectivity Matrix is a sub-TLV (the type is TBD by IANA) of the 
   Node Attribute TLV. The length is the length of value field in octets. 
   The meaning and format of this sub-TLV are defined in [WSON-Info] and 
   [WSON-Encode]. One sub-TLV contains one matrix. The Connectivity 
   Matrix sub-TLV may occur more than once to contain multi-matrices 
   within the Node Attribute TLV. 

2.2. Wavelength Converter Pool 

   A WSON node may include wavelength converters. The encoding of 
   structure and properties of a general wavelength converter pool 
   utilizes a converter accessibility sub-TLV, a wavelength converter 
   range sub-TLV, and a wavelength converter state sub-TLV as described 
   in [WSON-Encode]. 

2.2.1. Wavelength Converter Accessibility  

   Wavelength Converter Accessibility represents the ability of an 
   ingress port to reach a wavelength converter and of a wavelength 
   converter to reach a particular egress port as described in [WSON-
   Encode].  
 
 
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   The Wavelength Converter Accessibility is a sub-TLV (the type is TBD 
   by IANA) of the Node Attribute TLV. The length is the length of value 
   field in octets. The meaning and format of this sub-TLV are defined 
   in [WSON-Info] and [WSON-Encode]. The Wavelength Converter 
   Accessibility sub-TLV may occur at most once within the Node 
   Attribute TLV. 

2.2.2. Wavelength Conversion Range 

   Wavelength converters may have a limited input or output range which 
   can be described using one or more Wavelength Conversion Range sub-
   TLV as described in [WSON-Encode]. 

   The Wavelength Converter Range is a sub-TLV (the type is TBD by IANA) 
   of the Node Attribute TLV. The length is the length of value field in 
   octets. The meaning and format of this sub-TLV are defined in [WSON-
   Info] and [WSON-Encode]. The Wavelength Converter Range sub-TLV may 
   occur more than once within the Node Attribute TLV. 

2.2.3. WC Usage State 

   WC Usage Sate indicates the usage state of wavelength converters as 
   described in [WSON-Encode] 

   The WC Usage State is a sub-TLV (the type is TBD by IANA) of the Node 
   Attribute TLV. The length is the length of value field in octets. The 
   meaning and format of this sub-TLV are defined in [WSON-Info] and 
   [WSON-Encode]. The WC Usage State sub-TLV may occur at most once 
   within the Node Attribute TLV. 

3. Link Information 

   The most common link sub-TLVs nested to link top-level TLV are 
   already defined in [RFC3630], [RFC4203]. For example, Link ID, 
   Administrative Group, Interface Switching Capability Descriptor 
   (ISCD), Link Protection Type, Shared Risk Link Group Information 
   (SRLG), and Traffic Engineering Metric are among the typical link 
   sub-TLVs.  

   For WSONs, per [WSON-Info] and [WSON-Encode], we add the following 
   additional link sub-TLVs to the link-TLV in this document. 

    

      Sub-TLV Type    Length       Name 

         TBD          variable    WSON Port Wavelength Restrictions 
 
 
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         TBD          variable    Available Wavelengths  

         TBD          variable    Shared Backup Wavelengths 

    

3.1. WSON Port Wavelength Restrictions 

   Port Wavelength Restrictions describes the wavelength (label) 
   restrictions that the link and various optical devices such as OXCs, 
   ROADMs, and waveband multiplexers may impose on a port. These 
   restrictions represent what wavelength may or may not be used on a 
   link and are relatively static. The detailed information about Port 
   wavelength restrictions is described in [WSON-Info]. 

   The WSON Port Wavelength Restrictions is a sub-TLV (the type is TBD 
   by IANA) of the Link TLV. The length is the length of value field in 
   octets. The meaning and format of this sub-TLV are defined in [WSON-
   Info] and [WSON-Encode]. The WSON Port Wavelength Restrictions sub-
   TLV may occur more than once to specify a complex port constraint 
   within the link TLV. 

3.2. Available Wavelengths   

   Available Wavelengths indicates the wavelengths available for use on 
   a link as described in [RWA-Encode].The Available Wavelengths is a 
   sub-TLV (the type is TBD by IANA) of the Link TLV. The length is the 
   length of value field in octets. The meaning and format of this sub-
   TLV are defined in [WSON-Info] and [WSON-Encode]. The Available 
   Wavelengths sub-TLV may occur at most once within the link TLV. 

   Note that there are five approaches for Wavelength Set which is used 
   to represent the Available Wavelengths described in [WSON-Encode]. 
   Considering that the continuity of the available or unavailable 
   wavelength set can be scattered for the dynamic wavelength 
   availability, so it may burden the routing to reorganize the 
   wavelength set information when the Inclusive (/Exclusive) List 
   (/Range) approaches are used to represent Available Wavelengths 
   information. Therefore, it is RECOMMENDED that only the Bitmap Set be 
   used for representation Available Wavelengths information.  

3.3. Shared Backup Wavelengths 

   Shared Backup Wavelengths indicates the wavelengths available for 
   shared backup use on a link as described in [RWA-Encode]. 


 
 
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   The Shared Backup Wavelengths is a sub-TLV (the type is TBD by IANA) 
   of the Link TLV. The length is the length of value field in octets. 
   The meaning and format of this sub-TLV are defined in [WSON-Info] and 
   [WSON-Encode]. The Shared Backup Wavelengths sub-TLV may occur at 
   most once within the link TLV. 

4. Procedures for Routing Flooding 

   All the sub-TLVs are nested to top-level TLV(s) and contained in 
   Opaque LSAs. The flooding of Opaque LSAs must follow the rules 
   specified in [RFC2328], [RFC2370], [RFC3630], [RFC4203], [OSPF-Node]. 

   In the WSON networks, the node information and link information can 
   be classified as two kinds: one is relatively static information such 
   as Node ID, Connectivity Matrix information; the other is dynamic 
   information such as WC Usage State, Available Wavelengths information. 
   [WSON-Encode] give recommendations of typical usage of previously 
   defined sub-TLVs which contain relatively static information and 
   dynamic information. An implementation SHOULD take measures to avoid 
   frequent updates of relatively static information when the relatively 
   static information is not changed. A mechanism MAY be applied such 
   that static information and dynamic information are contained in 
   separate Opaque LSAs to avoid unnecessary updates of static 
   information when dynamic information is changed. 

   Note that as with other TE information, an implementation SHOULD take 
   measures to avoid rapid and frequent updates of routing information 
   that could cause the routing network to become swamped. A threshold 
   mechanism MAY be applied such that updates are only flooded when a 
   number of changes have been made to the wavelength availability 
   information within a specific time. Such mechanisms MUST be 
   configurable if they are implemented. 

5. Security Considerations 

   This document does not introduce any further security issues other   
   than those discussed in [RFC 3630], [RFC 4203]. 

6. IANA Considerations 

   [RFC3630] says that the top level Types in a TE LSA and Types for 
   sub-TLVs for each top level Types must be assigned by Expert Review, 
   and must be registered with IANA. 

   IANA is requested to allocate new Types for the sub-TLVs as defined 
   in Sections 2.1, 2.2, 3.1, 3.2 and 3.3 as follows: 

 
 
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6.1. Node Information 

   This document introduces the following sub-TLV of Node Attribute TLV 
   (Value TBD, see [OSPF-Node]) 

   Type   sub-TLV 

   TBD    Connectivity Matrix 

   TBD    Wavelength Converter Accessibility 

   TBD    Wavelength Conversion Range 

   TBD    WC Usage State 

6.2. Link Information 

   This document introduces the following sub-TLV of TE Link TLV (Value 
   2) 

   Type   sub-TLV 

   TBD    WSON Port Wavelength Restrictions 

   TBD    Available Wavelengths 

   TBD    Shared Backup Wavelengths 

7. References 

   [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate 
             Requirement Levels", BCP 14, RFC 2119, March 1997. 

   [RFC3471] Berger, L., "Generalized Multi-Protocol Label Switching 
             (GMPLS) Signaling Functional Description", RFC 3471, 
             January 2003. 

   [RFC3630] Katz, D., Kompella, K., and Yeung, D., "Traffic                   
             Engineering (TE) Extensions to OSPF Version 2", RFC                
             3630, September 2003. 

   [RFC4202] Kompella, K., Ed., and Y. Rekhter, Ed., "Routing Extensions 
             in Support of Generalized Multi-Protocol Label Switching 
             (GMPLS)", RFC 4202, October 2005 



 
 
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   [RFC4203] Kompella, K., Ed., and Y. Rekhter, Ed., "OSPF Extensions in 
             Support of Generalized Multi-Protocol Label Switching 
             (GMPLS)", RFC 4203, October 2005.  

   [RFC3945] E. Mannie, Ed., "OGeneralized Multi-Protocol Label Switching (GMPLS) 
             Architecture", RFC 3945, October 2004.  

   [RFC4655] Farrel, A., Vasseur, J.-P., and J. Ash, "A Path               
             Computation Element (PCE)-Based Architecture ", RFC 4655, 
             August 2006.  

   [RFC2328] Moy, J., "OSPF Version 2", STD 54, RFC 2328, April 1998. 

   [RFC2370] Coltun, R., "The OSPF Opaque LSA Option", RFC 2370, July 
             1998. 

   [OSPF-Node] R. Aggarwal and K. Kompella, "Advertising a Router's             
               Local Addresses in OSPF TE Extensions", draft-ietf-ospf-          
               te-node-addr, work in progress. 

   [Lambda-Labels] T. Otani, H. Guo, K. Miyazaki, D. Caviglia, 
                    "Generalized Labels for G.694 Lambda-Switching 
                    Capable Label Switching Routers", work in progress: 
                    draft-ietf-ccamp-gmpls-g-694-lambda-labels-03.txt, 
                    January 2009. 

   [WSON-Frame] G. Bernstein, Y. Lee, W. Imajuku, "Framework for GMPLS 
                and PCE Control of Wavelength Switched Optical 
                Networks", work in progress: draft-ietf-ccamp-rwa-WSON-
                Framework-00.txt, December 2008. 

   [WSON-Info] Y. Lee, G. Bernstein, D. Li, W. Imajuku, "Routing and 
               Wavelength Assignment Information Model for Wavelength 
               Switched Optical Networks", work in progress: draft-ietf-
               ccamp-rwa-info-01.txt, October 2008. 

   [WSON-Encode] G. Bernstein, Y. Lee, D. Li, W. Imajuku, "Routing and 
                 Wavelength Assignment Information Encoding for 
                 Wavelength Switched Optical Networks", work in progress: 
                 draft-ietf-ccamp-rwa-wson-encode-00.txt, December 2008. 

   [WSON-IGP-Eval]  Dan Li, J. Gao, Y. Lee, "Evaluation of Possible 
                    Interior Gateway Protocol Extensions for Wavelength 
                    Switching Optical Networks", work in progress: 
                    draft-li-ccamp-wson-igp-eval-01.txt, July 2008. 


 
 
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    [Switch] G. Bernstein, Y. Lee, A. Gavler, J. Martensson, " Modeling         
             WDM Wavelength Switching Systems for use in Automated Path 
             Computation", http://www.grotto-   
             networking.com/wson/ModelingWSONswitchesV2a.pdf , June,  

    








































 
 
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8. Authors' Addresses 


   Fatai Zhang
   Huawei Technologies
   F3-5-B R&D Center, Huawei Base
   Bantian, Longgang District
   Shenzhen 518129 P.R.China

   Phone: +86-755-28972912
   Email: zhangfatai@huawei.com


   Young Lee
   Huawei Technologies
   1700 Alma Drive, Suite 100
   Plano, TX 75075
   USA

   Phone: (972) 509-5599 (x2240)
   Email: ylee@huawei.com


   Jianrui Han
   Huawei Technologies Co., Ltd.
   F3-5-B R&D Center, Huawei Base
   Bantian, Longgang District
   Shenzhen 518129 P.R.China

   Phone: +86-755-28972913
   Email: hanjianrui@huawei.com


   Greg Bernstein
   Grotto Networking
   Fremont CA, USA

   Phone: (510) 573-2237
   Email: gregb@grotto-networking.com


   Yunbin Xu
   China Academy of Telecommunication Research of MII
   11 Yue Tan Nan Jie Beijing, P.R.China
   Phone: +86-10-68094134
   Email: xuyunbin@mail.ritt.com.cn
 
 
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   Guoying Zhang
   China Academy of Telecommunication Research of MII
   11 Yue Tan Nan Jie Beijing, P.R.China
   Phone: +86-10-68094272
   Email: zhangguoying@mail.ritt.com.cn


   Dan Li
   Huawei Technologies Co., Ltd.
   F3-5-B R&D Center, Huawei Base
   Bantian, Longgang District
   Shenzhen 518129 P.R.China

   Phone: +86-755-28973237
   Email: danli@huawei.com


   Ming Chen
   Huawei Technologies Deutschland GmbH
   Riesstr. 25, 80992 Munchen, Germany

   Phone: 0049-89158834072
   Email: minc@huawei.com


Acknowledgment 

   TBD. 
 
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   This document is subject to BCP 78 and the IETF Trust's Legal   
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Subject: Re: [CCAMP] New Version Notification for draft-martinelli-ccamp-optical-imp-signaling-02
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Hi all,

here an update of our ID on optical impairment signaling according to 
last work on wson and impairment awareness

Any comment is appreciated

thx
G




IETF I-D Submission Tool wrote:
> A new version of I-D, draft-martinelli-ccamp-optical-imp-signaling-02.txt has been successfuly submitted by Giovanni Martinelli and posted to the IETF repository.
>
> Filename:	 draft-martinelli-ccamp-optical-imp-signaling
> Revision:	 02
> Title:		 GMPLS Signaling Extensions for Optical Impairment Aware Lightpath Setup
> Creation_date:	 2009-07-13
> WG ID:		 Independent Submission
> Number_of_pages: 19
>
> Abstract:
> The problem of provisioning a lightpath in a transparent dense
> wavelength division multiplexing (DWDM) optical island requires the
> evaluation of of the optical impairments along the selected route.
> In this memo we propose a GMPLS signaling protocol (RSVP/RSVP-TE)
> extension to collect and provide the egress node the optical
> impairment parameters needed to validate a lightpath setup request
> feasibility.
>                                                                                   
>
>
> The IETF Secretariat.
>
>
>   

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Subject: Re: [CCAMP] New Version Notification for draft-martinelli-ccamp-synch-signaling-01
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Hi all,

always in the WSON context, an experimental ID on LSP bi-directionality

Any comment is very much appreciated

thx
G


IETF I-D Submission Tool wrote:
> A new version of I-D, draft-martinelli-ccamp-synch-signaling-01.txt has been successfuly submitted by Giovanni Martinelli and posted to the IETF repository.
>
> Filename:	 draft-martinelli-ccamp-synch-signaling
> Revision:	 01
> Title:		 GMPLS Synchronized Signaling for Optical Lightpath Setup
> Creation_date:	 2009-07-12
> WG ID:		 Independent Submission
> Number_of_pages: 10
>
> Abstract:
> In Generalized Multi-Protocol Label Switching (GMPLS) several
> extension are proposed to cope with constrain provide Wavelength
> Switched Optical Networks (WSON).  One of the technology constrain
> related to Dense Wavelength Division Multiplexing (DWDM) systems is
> the bi-directionality of the lightpath.  This memo provides some
> consideration about how extending the signaling phase to cope with
> the bi-directional requirements.  The procedure is independent from
> the wavelength continuity constrain in both direction.
>                                                                                   
>
>
> The IETF Secretariat.
>
>
>   

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--NextPart

A New Internet-Draft is available from the on-line Internet-Drafts 
directories.
This draft is a work item of the Common Control and Measurement Plane Working Group of the IETF.

	Title		: Generalized Multi-Protocol Label Switching (GMPLS) Protocol Extensions for Multi-Layer and Multi-Region Networks (MLN/MRN)
	Author(s)	: D. Papadimitriou, M. Vigoureux, K. Shiomoto, D. Brungard, J. Le Roux
	Filename	: draft-ietf-ccamp-gmpls-mln-extensions-06.txt
	Pages		: 23
	Date		: 2009-7-13
	
There are specific requirements for the support of networks 
comprising Label Switching Routers (LSR) participating in different 
data plane switching layers controlled by a single Generalized Multi 
Protocol Label Switching (GMPLS) control plane instance, referred to 
as GMPLS Multi-Layer Networks/Multi-Region Networks (MLN/MRN).  
        
This document defines extensions to GMPLS routing and signaling 
protocols so as to support the operation of GMPLS Multi-Layer/Multi-
Region Networks. It covers the elements of a single GMPLS control 
plane instance controlling multiple LSP regions or layers within a 
single TE domain.

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http://www.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-mln-extensions-06.txt

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From eric.gray@ericsson.com  Mon Jul 13 10:47:05 2009
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From: "Eric Gray" <eric.gray@ericsson.com>
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Subject: Re: [CCAMP] poll to make draft-andersson-mpls-tp-process-03.txt a working group document
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Support.=20

-----Original Message-----
From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf
Of Loa Andersson
Sent: Tuesday, June 30, 2009 10:20 AM
To: mpls@ietf.org; mpls-tp@ietf.org; ccamp@ietf.org; pwe3@ietf.org
Subject: [CCAMP] poll to make draft-andersson-mpls-tp-process-03.txt a
working group document

All,

we have an individual draft, draft-andersson-mpls-tp-process-03.txt,
that describes additions to the mpls working group process to allow
ITU-T to give input on MPLS-TP Internet Drafts.

It pretty much captures current practice, and from the start we had no
intention to ever progress, but recently there has been comments that
it would have a better and clearer sttus if it were a working group
document.

We have had no plans to ever make it an RFC, but it has been pointed
out that it would be possible to publish as an Historical RFC. Whether
we execute on that or not is not yet decided.

Therefore, is is to start at two week poll on making
draft-andersson-mpls-tp-process-03.txt an MPLS working group document.

The poll ends on July 14.

Please send your comments to the mpls-tp list.

Please





--=20


Loa Andersson

Sr Strategy and Standards Manager    phone:  +46 10 717 52 13
Ericsson ///                                 +46 767 72 92 13

                                      email:  loa.andersson@ericsson.com
                                              loa@pi.nu
_______________________________________________
CCAMP mailing list
CCAMP@ietf.org
https://www.ietf.org/mailman/listinfo/ccamp

From gregb@grotto-networking.com  Mon Jul 13 10:51:49 2009
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Subject: Re: [CCAMP] WSON Generalization and Extensions
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Hi Lou and CCAMPers see below. Feedback is appreciated particularly 
prior to the CCAMP session in Stockholm.

Greg B.

Lou Berger wrote:
> Hi Greg,
> 	Can you give a brief summary of if/how you've addressed the points
> below in the latest drafts?
>
> Much thanks,
> Lou
>
> On 5/22/2009 10:56 AM, Greg Bernstein wrote:
>   
>> Hi CCAMPers, at the San Francisco meeting there were two actions for RWA
>> WSON (non-impairment case):
>> (1) To look at how the WSON Framework and path computation Info Model
>> could be generalized to other technologies.
>>     
---> The "connectivity matrix" seemed to be the most reusable aspect of 
the WSON model based on the feedback we received. We updated the WSON 
RWA info model 
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-info-03.txt to 
make this clearer. More importantly the generalization is reflected in 
the update of the WSON RWA encoding draft 
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-wson-encode-02.txt 
which provides "generic"  sub-TLVs for specifying a nodes connectivity 
properties.
>> (2) To extend the WSON RWA Framework and models to apply to OEO
>> switches, regenerators and similar systems.
>>     
----> Here we needed to understand the compatibility between "optical 
signals" and different flavors of OEO switches and regenerators. The 
/*optical tributary signal*/ defined by the ITU-T (pointed out at the 
joint IETF/Q6 meeting back in March) helps us do this since these 
signals come in different "classes" based on modulation type and are 
characterized by a few critical parameters. In addition, the network 
elements would need to advertise information on their compatibility, 
e.g., can an OEO switch deal with both NRZ or RZ modulation (line 
coding) or only one of these. We put the results of this generalization 
work into 
http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt 
so folks could review it independently rather than integrating it into 
the framework document. We also updated our individual submission on 
signaling to show how this would be incorporated into signaling 
http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signaling-04.txt

-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237



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Hi Lou and CCAMPers see below. Feedback is appreciated particularly
prior to the CCAMP session in Stockholm.<br>
<br>
Greg B.<br>
<br>
Lou Berger wrote:
<blockquote cite="mid:4A57B78B.6050908@labn.net" type="cite">
  <pre wrap="">Hi Greg,
	Can you give a brief summary of if/how you've addressed the points
below in the latest drafts?

Much thanks,
Lou

On 5/22/2009 10:56 AM, Greg Bernstein wrote:
  </pre>
  <blockquote type="cite">
    <pre wrap="">Hi CCAMPers, at the San Francisco meeting there were two actions for RWA
WSON (non-impairment case):
(1) To look at how the WSON Framework and path computation Info Model
could be generalized to other technologies.
    </pre>
  </blockquote>
</blockquote>
---&gt; The "connectivity matrix" seemed to be the most reusable aspect
of the WSON model based on the feedback we received. We updated the
WSON RWA info model <a class="moz-txt-link-freetext"
 href="http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-info-03.txt">http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-info-03.txt</a>
to make this clearer. More importantly the generalization is reflected
in the update of the WSON RWA encoding draft <a
 class="moz-txt-link-freetext"
 href="http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-wson-encode-02.txt">http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-wson-encode-02.txt</a>
which provides "generic"&nbsp; sub-TLVs for specifying a nodes connectivity
properties. <br>
<a class="moz-txt-link-freetext"
 href="http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-wson-encode-02.txt"></a>
<blockquote cite="mid:4A57B78B.6050908@labn.net" type="cite">
  <blockquote type="cite">
    <pre wrap="">(2) To extend the WSON RWA Framework and models to apply to OEO
switches, regenerators and similar systems.
    </pre>
  </blockquote>
</blockquote>
----&gt; Here we needed to understand the compatibility between
"optical signals" and different flavors of OEO switches and
regenerators. The <i><b>optical tributary signal</b></i> defined by
the ITU-T (pointed out at the joint IETF/Q6 meeting back in March)
helps us do this since these signals come in different "classes" based
on modulation type and are characterized by a few critical parameters.
In addition, the network elements would need to advertise information
on their compatibility, e.g., can an OEO switch deal with both NRZ or
RZ modulation (line coding) or only one of these. We put the results of
this generalization work into <a
 href="http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt">http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt</a>
so folks could review it independently rather than integrating it into
the framework document. We also updated our individual submission on
signaling to show how this would be incorporated into signaling <a
 href="http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signaling-04.txt">http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signaling-04.txt</a><br>
<pre class="moz-signature" cols="72">-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237

</pre>
</body>
</html>

--------------020604080605030401080708--

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Subject: Re: [CCAMP] WSON Generalization and Extensions
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Hi,

Greg Bernstein wrote:
> Hi Lou and CCAMPers see below. Feedback is appreciated particularly 
> prior to the CCAMP session in Stockholm.
>
> Greg B.
>
> Lou Berger wrote:
>> Hi Greg,
>> 	Can you give a brief summary of if/how you've addressed the points
>> below in the latest drafts?
>>
>> Much thanks,
>> Lou
>>
>> On 5/22/2009 10:56 AM, Greg Bernstein wrote:
>>   
>>> Hi CCAMPers, at the San Francisco meeting there were two actions for RWA
>>> WSON (non-impairment case):
>>> (1) To look at how the WSON Framework and path computation Info Model
>>> could be generalized to other technologies.
>>>     
> ---> The "connectivity matrix" seemed to be the most reusable aspect 
> of the WSON model based on the feedback we received. We updated the 
> WSON RWA info model 
> http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-info-03.txt 
> to make this clearer. More importantly the generalization is reflected 
> in the update of the WSON RWA encoding draft 
> http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-wson-encode-02.txt 
> which provides "generic"  sub-TLVs for specifying a nodes connectivity 
> properties.

when referring to other technologies, there was already examples on the 
table?

thx,
G


>
>>> (2) To extend the WSON RWA Framework and models to apply to OEO
>>> switches, regenerators and similar systems.
>>>     
> ----> Here we needed to understand the compatibility between "optical 
> signals" and different flavors of OEO switches and regenerators. The 
> /*optical tributary signal*/ defined by the ITU-T (pointed out at the 
> joint IETF/Q6 meeting back in March) helps us do this since these 
> signals come in different "classes" based on modulation type and are 
> characterized by a few critical parameters. In addition, the network 
> elements would need to advertise information on their compatibility, 
> e.g., can an OEO switch deal with both NRZ or RZ modulation (line 
> coding) or only one of these. We put the results of this 
> generalization work into 
> http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt 
> so folks could review it independently rather than integrating it into 
> the framework document. We also updated our individual submission on 
> signaling to show how this would be incorporated into signaling 
> http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signaling-04.txt
> -- 
> ===================================================
> Dr Greg Bernstein, Grotto Networking (510) 573-2237
>
>   
> ------------------------------------------------------------------------
>
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp
>   

From gregb@grotto-networking.com  Tue Jul 14 08:15:41 2009
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Hi Deborah and Lou, the agenda looks good and we'll do our part to keep 
it on time.
Can you confirm that we don't need the Friday session yet? It's less 
expensive to change flights earlier rather than later.

Cheers

Greg

BRUNGARD, DEBORAH A, ATTLABS wrote:
> CCAMP,
>
> Here's the draft agenda:
> http://www.ietf.org/proceedings/09jul/agenda/ccamp.htm
>
> We don't think at this time that we need the second session  (Friday
> Afternoon). Please provide comments on this agenda and we will make a
> decision on Friday's session by next week.
>
> Deborah and Lou
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp
>
>   

-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237



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Subject: Re: [CCAMP] IETF 75 CCAMP Draft Agenda
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We're working on a revised schedule and will distribute late today.
(which will answer your question).

Lou

On 7/14/2009 11:13 AM, Greg Bernstein wrote:
> Hi Deborah and Lou, the agenda looks good and we'll do our part to keep
> it on time.
> Can you confirm that we don't need the Friday session yet? It's less
> expensive to change flights earlier rather than later.
> 
> Cheers
> 
> Greg
> 
> BRUNGARD, DEBORAH A, ATTLABS wrote:
>> CCAMP,
>>
>> Here's the draft agenda:
>> http://www.ietf.org/proceedings/09jul/agenda/ccamp.htm
>>
>> We don't think at this time that we need the second session  (Friday
>> Afternoon). Please provide comments on this agenda and we will make a
>> decision on Friday's session by next week.
>>
>> Deborah and Lou
>> _______________________________________________
>> CCAMP mailing list
>> CCAMP@ietf.org
>> https://www.ietf.org/mailman/listinfo/ccamp
>>
>>   
> 

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From: "BRUNGARD, DEBORAH A, ATTLABS" <dbrungard@att.com>
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Subject: Re: [CCAMP] IETF 75 CCAMP Draft Agenda
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We've updated the agenda:
http://www.ietf.org/proceedings/09jul/agenda/ccamp.htm

It's a tight schedule but considering WG input, we scheduled everything
for the first session and we will cancel the second session on Friday
afternoon.

We expect to schedule two sessions in the future (if needed) and, note,
IETF scheduling may include Friday afternoon.

Safe travels-
Deborah and Lou


-----Original Message-----
From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf
Of BRUNGARD, DEBORAH A, ATTLABS
Sent: Wednesday, July 08, 2009 3:32 PM
To: ccamp@ietf.org
Subject: [CCAMP] IETF 75 CCAMP Draft Agenda

CCAMP,

Here's the draft agenda:
http://www.ietf.org/proceedings/09jul/agenda/ccamp.htm

We don't think at this time that we need the second session  (Friday
Afternoon). Please provide comments on this agenda and we will make a
decision on Friday's session by next week.

Deborah and Lou
_______________________________________________
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To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>, "mpls-tp@ietf.org" <mpls-tp@ietf.org>, "ccamp@ietf.org" <ccamp@ietf.org>, "pwe3@ietf.org" <pwe3@ietf.org>
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Support


On 6/30/09 10:19 AM, "Loa Andersson" <loa@pi.nu> wrote:

All,

we have an individual draft, draft-andersson-mpls-tp-process-03.txt,
that describes additions to the mpls working group process to allow
ITU-T to give input on MPLS-TP Internet Drafts.

It pretty much captures current practice, and from the start we had no
intention to ever progress, but recently there has been comments that
it would have a better and clearer sttus if it were a working group
document.

We have had no plans to ever make it an RFC, but it has been pointed
out that it would be possible to publish as an Historical RFC. Whether
we execute on that or not is not yet decided.

Therefore, is is to start at two week poll on making
draft-andersson-mpls-tp-process-03.txt an MPLS working group document.

The poll ends on July 14.

Please send your comments to the mpls-tp list.

Please





--


Loa Andersson

Sr Strategy and Standards Manager    phone:  +46 10 717 52 13
Ericsson ///                                 +46 767 72 92 13

                                      email:  loa.andersson@ericsson.com
                                              loa@pi.nu
_______________________________________________
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<TITLE>Re: [mpls] poll to make draft-andersson-mpls-tp-process-03.txt a wor=
king group document</TITLE>
</HEAD>
<BODY>
<FONT FACE=3D"Calibri, Verdana, Helvetica, Arial"><SPAN STYLE=3D'font-size:=
11pt'>Support<BR>
<BR>
<BR>
On 6/30/09 10:19 AM, &quot;Loa Andersson&quot; &lt;<a href=3D"loa@pi.nu">lo=
a@pi.nu</a>&gt; wrote:<BR>
<BR>
</SPAN></FONT><BLOCKQUOTE><FONT FACE=3D"Calibri, Verdana, Helvetica, Arial"=
><SPAN STYLE=3D'font-size:11pt'>All,<BR>
<BR>
we have an individual draft, draft-andersson-mpls-tp-process-03.txt,<BR>
that describes additions to the mpls working group process to allow<BR>
ITU-T to give input on MPLS-TP Internet Drafts.<BR>
<BR>
It pretty much captures current practice, and from the start we had no<BR>
intention to ever progress, but recently there has been comments that<BR>
it would have a better and clearer sttus if it were a working group<BR>
document.<BR>
<BR>
We have had no plans to ever make it an RFC, but it has been pointed<BR>
out that it would be possible to publish as an Historical RFC. Whether<BR>
we execute on that or not is not yet decided.<BR>
<BR>
Therefore, is is to start at two week poll on making<BR>
draft-andersson-mpls-tp-process-03.txt an MPLS working group document.<BR>
<BR>
The poll ends on July 14.<BR>
<BR>
Please send your comments to the mpls-tp list.<BR>
<BR>
Please<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
--<BR>
<BR>
<BR>
Loa Andersson<BR>
<BR>
Sr Strategy and Standards Manager &nbsp;&nbsp;&nbsp;phone: &nbsp;+46 10 717=
 52 13<BR>
Ericsson /// &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;+46 767 72 92 13<BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;email: &nbsp;<a href=3D"loa.andersson@ericsson.com">loa.andersson@ericss=
on.com</a><BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href=3D"loa@pi.nu">lo=
a@pi.nu</a><BR>
_______________________________________________<BR>
mpls mailing list<BR>
<a href=3D"mpls@ietf.org">mpls@ietf.org</a><BR>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org=
/mailman/listinfo/mpls</a><BR>
<BR>
</SPAN></FONT></BLOCKQUOTE>
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From annamaria.fulignoli@ericsson.com  Tue Jul 14 12:57:32 2009
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From: "Annamaria Fulignoli" <annamaria.fulignoli@ericsson.com>
To: "Loa Andersson" <loa@pi.nu>, <mpls@ietf.org>, <mpls-tp@ietf.org>, <pwe3@ietf.org>, <ccamp@ietf.org>
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I support
BR
Annamaria

-----Original Message-----
From: mpls-tp-bounces@ietf.org [mailto:mpls-tp-bounces@ietf.org] On =
Behalf Of Loa Andersson
Sent: luned=EC 6 luglio 2009 12.41
To: mpls@ietf.org; mpls-tp@ietf.org; pwe3@ietf.org; ccamp@ietf.org
Subject: [mpls-tp] poll on making the mpls-tp process document a working =
group draft - update

All,

I started this poll, but since I'm one of the authors of the document I =
do not feel comfortable to judge the consensus on the poll.

I have therefore asked our AD (Adrian Farrel) to step in and together =
with George make the consensus call.

/Loa

Loa Andersson wrote:
 > > All,
 > >
 > > we have an individual draft, =
draft-andersson-mpls-tp-process-03.txt,
 > > that describes additions to the mpls working group process to allow =
 > > ITU-T to give input on MPLS-TP Internet Drafts.
 > >
 > > It pretty much captures current practice, and from the start we had =
no  > > intention to ever progress, but recently there has been comments =
that  > > it would have a better and clearer sttus if it were a working =
group  > > document.
 > >
 > > We have had no plans to ever make it an RFC, but it has been =
pointed  > > out that it would be possible to publish as an Historical =
RFC. Whether  > > we execute on that or not is not yet decided.
 > >
 > > Therefore, is is to start at two week poll on making  > > =
draft-andersson-mpls-tp-process-03.txt an MPLS working group document.
 > >
 > > The poll ends on July 14.
 > >
 > > Please send your comments to the mpls-tp list.
--=20


Loa Andersson                         email: loa.andersson@ericsson.com
Sr Strategy and Standards Manager            loa@pi.nu
Ericsson Inc                          phone: +46 8 632 77 14

_______________________________________________
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https://www.ietf.org/mailman/listinfo/mpls-tp

From wwwrun@core3.amsl.com  Wed Jul 15 09:24:55 2009
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From: IETF Secretariat <ietf-ipr@ietf.org>
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Cc: ccamp@ietf.org, ipr-announce@ietf.org, adrian.farrel@huawei.com, rcallon@juniper.net
Subject: [CCAMP] Posting of IPR Disclosure related to Juniper's Statement of IPR related to RFC 5150
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Dear Arthi Ayyangar:

An IPR disclosure that pertains to your RFC entitled "Label Switched Path
Stitching with Generalized Multiprotocol Label Switching Traffic Engineering
(GMPLS TE)" (RFC5150) was submitted to the IETF Secretariat on 2009-07-14 and
has been posted on the "IETF Page of Intellectual Property Rights Disclosures"
(https://datatracker.ietf.org/ipr/1171/). The title of the IPR disclosure is
"Juniper's Statement of IPR related to RFC 5150."

The IETF Secretariat



From gregb@grotto-networking.com  Mon Jul 20 09:06:30 2009
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Subject: [CCAMP] WSON document editing meeting?
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Hi CCAMPers interested in WSON,
at some of the past IETF meetings we arranged official editing meetings 
to discuss current WSON working group documents.
With the the CCAMP agenda very tight discussion will be by necessity 
limited.  Is there interest in such a session? In the past with WG chair 
and AD approval we were able to get a room with projector... Note ground 
rules for such a meeting are set by the WG chairs and AD, though they 
don't necessarily attend.

Monday could work before the PCE meeting at 17:40... The CCAMP meeting 
is on Tuesday morning

Some of the WG drafts and potential discussion topics are listed below:

Framework for GMPLS and PCE Control of Wavelength Switched Optical 
Networks (WSON) 
<http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-framework-02.txt> 
(109918 bytes)
Issue: should we include the generalization to OEO switches, 
regenerators, and wavelength here? The draft  
http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt 
suggests a fairly rigorous, ITU-T compatible approach
that we could discuss in more depth.

Routing and Wavelength Assignment Information Model for Wavelength 
Switched Optical Networks 
<http://www.ietf.org/id/draft-ietf-ccamp-rwa-info-03.txt> (39254 bytes)
We could discuss in more detail the generalization added based on the 
requests from the San Francisco meeting.

Routing and Wavelength Assignment Information Encoding for Wavelength 
Switched Optical Networks 
<http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-encode-02.txt> (69208 
bytes)
This would be a good time and place to get into the bits and bytes of 
the encoding of this stuff.

A Framework for the Control of Wavelength Switched Optical Networks 
(WSON) with Impairments 
<http://www.ietf.org/id/draft-ietf-ccamp-wson-impairments-00.txt> (77723 
bytes)
A number of suggestions have come in on next steps with this new WG 
document, it would be good to discuss them.

Regards

Greg B.

-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237



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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<head>
</head>
<body bgcolor="#ffffff" text="#000000">
Hi CCAMPers interested in WSON,<br>
at some of the past IETF meetings we arranged official editing meetings
to discuss current WSON working group documents.<br>
With the the CCAMP agenda very tight discussion will be by necessity
limited.&nbsp; Is there interest in such a session? In the past with WG
chair and AD approval we were able to get a room with projector... Note
ground rules for such a meeting are set by the WG chairs and AD, though
they don't necessarily attend.<br>
<br>
Monday could work before the PCE meeting at 17:40... The CCAMP meeting
is on Tuesday morning<br>
<br>
Some of the WG drafts and potential discussion topics are listed below:<br>
<br>
<a
 href="http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-framework-02.txt">
Framework for GMPLS and PCE Control of Wavelength Switched Optical
Networks (WSON) </a> (109918 bytes)<br>
Issue: should we include the generalization to OEO switches,
regenerators, and wavelength here? The draft&nbsp; <a
 href="http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt">http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt</a>
suggests a fairly rigorous, ITU-T compatible approach <br>
that we could discuss in more depth.<br>
<br>
<a href="http://www.ietf.org/id/draft-ietf-ccamp-rwa-info-03.txt">Routing
and Wavelength Assignment Information Model for Wavelength Switched
Optical Networks </a> (39254 bytes)<br>
We could discuss in more detail the generalization added based on the
requests from the San Francisco meeting.<br>
<br>
<a href="http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-encode-02.txt">
Routing and Wavelength Assignment Information Encoding for Wavelength
Switched Optical Networks </a> (69208 bytes)<br>
This would be a good time and place to get into the bits and bytes of
the encoding of this stuff.<br>
<br>
<a
 href="http://www.ietf.org/id/draft-ietf-ccamp-wson-impairments-00.txt">A
Framework for the Control of Wavelength Switched Optical Networks
(WSON) with Impairments </a> (77723 bytes)<br>
A number of suggestions have come in on next steps with this new WG
document, it would be good to discuss them.<br>
<br>
Regards<br>
<br>
Greg B.
<pre class="moz-signature" cols="72">-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237

</pre>
</body>
</html>

--------------020902000208080609040508--

From lberger@labn.net  Mon Jul 20 12:03:07 2009
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Date: Mon, 20 Jul 2009 15:03:00 -0400
From: Lou Berger <lberger@labn.net>
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Subject: Re: [CCAMP] WSON document editing meeting?
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Greg,

>In the past with WG chair and AD approval we were able to get a room
>with projector.

We still have the room reserved for our 2nd session.  Would you like to
use that?  I certainly don't see any issues should you choose this
option. (Although I haven't conferred with Deborah or our AD on this.)

> We could discuss in more detail the generalization added based on the
> requests from the San Francisco meeting.

I think you missed the point being made.  The question is what part of
the work being done for WSON can be generalized to be technology
agnostic.  I.e., take into consideration the spirit of GMPLS and the
CCAMP WG rather than the optical specific IPO WG.

Lou

On 7/20/2009 12:06 PM, Greg Bernstein wrote:
> Hi CCAMPers interested in WSON,
> at some of the past IETF meetings we arranged official editing meetings
> to discuss current WSON working group documents.
> With the the CCAMP agenda very tight discussion will be by necessity
> limited.  Is there interest in such a session? In the past with WG chair
> and AD approval we were able to get a room with projector... Note ground
> rules for such a meeting are set by the WG chairs and AD, though they
> don't necessarily attend.
> 
> Monday could work before the PCE meeting at 17:40... The CCAMP meeting
> is on Tuesday morning
> 
> Some of the WG drafts and potential discussion topics are listed below:
> 
> Framework for GMPLS and PCE Control of Wavelength Switched Optical
> Networks (WSON)
> <http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-framework-02.txt>
> (109918 bytes)
> Issue: should we include the generalization to OEO switches,
> regenerators, and wavelength here? The draft 
> http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt
> suggests a fairly rigorous, ITU-T compatible approach
> that we could discuss in more depth.
> 
> Routing and Wavelength Assignment Information Model for Wavelength
> Switched Optical Networks
> <http://www.ietf.org/id/draft-ietf-ccamp-rwa-info-03.txt> (39254 bytes)
> We could discuss in more detail the generalization added based on the
> requests from the San Francisco meeting.
> 
> Routing and Wavelength Assignment Information Encoding for Wavelength
> Switched Optical Networks
> <http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-encode-02.txt> (69208
> bytes)
> This would be a good time and place to get into the bits and bytes of
> the encoding of this stuff.
> 
> A Framework for the Control of Wavelength Switched Optical Networks
> (WSON) with Impairments
> <http://www.ietf.org/id/draft-ietf-ccamp-wson-impairments-00.txt> (77723
> bytes)
> A number of suggestions have come in on next steps with this new WG
> document, it would be good to discuss them.
> 
> Regards
> 
> Greg B.
> 
> -- 
> ===================================================
> Dr Greg Bernstein, Grotto Networking (510) 573-2237
> 
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp

From gregb@grotto-networking.com  Mon Jul 20 14:52:00 2009
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Subject: Re: [CCAMP] WSON document editing meeting?
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Hi Lou, we understand the generalizations are for other technologies 
beyond optical.
After a bunch of discussion on this in San Francisco, there were some 
discussion of SONET/SDH rings on the list that had similar constraints 
but we didn't get any non-TDM or non-optical inputs from the list. We 
did put information on the general applicability of the existing optical 
related mechanisms in the optical documents.
Does it make sense to separate these into a non-optical document? The 
applications seemed more theoretical than real.

I'll be back in the states by Friday so won't be able to attend a 
editing session then.

Regards

Greg



Lou Berger wrote:
> Greg,
>
>   
>> In the past with WG chair and AD approval we were able to get a room
>> with projector.
>>     
>
> We still have the room reserved for our 2nd session.  Would you like to
> use that?  I certainly don't see any issues should you choose this
> option. (Although I haven't conferred with Deborah or our AD on this.)
>
>   
>> We could discuss in more detail the generalization added based on the
>> requests from the San Francisco meeting.
>>     
>
> I think you missed the point being made.  The question is what part of
> the work being done for WSON can be generalized to be technology
> agnostic.  I.e., take into consideration the spirit of GMPLS and the
> CCAMP WG rather than the optical specific IPO WG.
>
> Lou
>
> On 7/20/2009 12:06 PM, Greg Bernstein wrote:
>   
>> Hi CCAMPers interested in WSON,
>> at some of the past IETF meetings we arranged official editing meetings
>> to discuss current WSON working group documents.
>> With the the CCAMP agenda very tight discussion will be by necessity
>> limited.  Is there interest in such a session? In the past with WG chair
>> and AD approval we were able to get a room with projector... Note ground
>> rules for such a meeting are set by the WG chairs and AD, though they
>> don't necessarily attend.
>>
>> Monday could work before the PCE meeting at 17:40... The CCAMP meeting
>> is on Tuesday morning
>>
>> Some of the WG drafts and potential discussion topics are listed below:
>>
>> Framework for GMPLS and PCE Control of Wavelength Switched Optical
>> Networks (WSON)
>> <http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-framework-02.txt>
>> (109918 bytes)
>> Issue: should we include the generalization to OEO switches,
>> regenerators, and wavelength here? The draft 
>> http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt
>> suggests a fairly rigorous, ITU-T compatible approach
>> that we could discuss in more depth.
>>
>> Routing and Wavelength Assignment Information Model for Wavelength
>> Switched Optical Networks
>> <http://www.ietf.org/id/draft-ietf-ccamp-rwa-info-03.txt> (39254 bytes)
>> We could discuss in more detail the generalization added based on the
>> requests from the San Francisco meeting.
>>
>> Routing and Wavelength Assignment Information Encoding for Wavelength
>> Switched Optical Networks
>> <http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-encode-02.txt> (69208
>> bytes)
>> This would be a good time and place to get into the bits and bytes of
>> the encoding of this stuff.
>>
>> A Framework for the Control of Wavelength Switched Optical Networks
>> (WSON) with Impairments
>> <http://www.ietf.org/id/draft-ietf-ccamp-wson-impairments-00.txt> (77723
>> bytes)
>> A number of suggestions have come in on next steps with this new WG
>> document, it would be good to discuss them.
>>
>> Regards
>>
>> Greg B.
>>
>> -- 
>> ===================================================
>> Dr Greg Bernstein, Grotto Networking (510) 573-2237
>>
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> CCAMP mailing list
>> CCAMP@ietf.org
>> https://www.ietf.org/mailman/listinfo/ccamp
>>     
>
>   

-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237



--------------040507010805050302090800
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<head>
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Hi Lou, we understand the generalizations are for other technologies
beyond optical. <br>
After a bunch of discussion on this in San Francisco, there were some
discussion of SONET/SDH rings on the list that had similar constraints
but we didn't get any non-TDM or non-optical inputs from the list. We
did put information on the general applicability of the existing
optical related mechanisms in the optical documents.<br>
Does it make sense to separate these into a non-optical document? The
applications seemed more theoretical than real. <br>
<br>
I'll be back in the states by Friday so won't be able to attend a
editing session then.<br>
<br>
Regards<br>
<br>
Greg<br>
<br>
<br>
<br>
Lou Berger wrote:
<blockquote cite="mid:4A64BF64.1000909@labn.net" type="cite">
  <pre wrap="">Greg,

  </pre>
  <blockquote type="cite">
    <pre wrap="">In the past with WG chair and AD approval we were able to get a room
with projector.
    </pre>
  </blockquote>
  <pre wrap=""><!---->
We still have the room reserved for our 2nd session.  Would you like to
use that?  I certainly don't see any issues should you choose this
option. (Although I haven't conferred with Deborah or our AD on this.)

  </pre>
  <blockquote type="cite">
    <pre wrap="">We could discuss in more detail the generalization added based on the
requests from the San Francisco meeting.
    </pre>
  </blockquote>
  <pre wrap=""><!---->
I think you missed the point being made.  The question is what part of
the work being done for WSON can be generalized to be technology
agnostic.  I.e., take into consideration the spirit of GMPLS and the
CCAMP WG rather than the optical specific IPO WG.

Lou

On 7/20/2009 12:06 PM, Greg Bernstein wrote:
  </pre>
  <blockquote type="cite">
    <pre wrap="">Hi CCAMPers interested in WSON,
at some of the past IETF meetings we arranged official editing meetings
to discuss current WSON working group documents.
With the the CCAMP agenda very tight discussion will be by necessity
limited.  Is there interest in such a session? In the past with WG chair
and AD approval we were able to get a room with projector... Note ground
rules for such a meeting are set by the WG chairs and AD, though they
don't necessarily attend.

Monday could work before the PCE meeting at 17:40... The CCAMP meeting
is on Tuesday morning

Some of the WG drafts and potential discussion topics are listed below:

Framework for GMPLS and PCE Control of Wavelength Switched Optical
Networks (WSON)
<a class="moz-txt-link-rfc2396E" href="http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-framework-02.txt">&lt;http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-framework-02.txt&gt;</a>
(109918 bytes)
Issue: should we include the generalization to OEO switches,
regenerators, and wavelength here? The draft 
<a class="moz-txt-link-freetext" href="http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt">http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-signal-00.txt</a>
suggests a fairly rigorous, ITU-T compatible approach
that we could discuss in more depth.

Routing and Wavelength Assignment Information Model for Wavelength
Switched Optical Networks
<a class="moz-txt-link-rfc2396E" href="http://www.ietf.org/id/draft-ietf-ccamp-rwa-info-03.txt">&lt;http://www.ietf.org/id/draft-ietf-ccamp-rwa-info-03.txt&gt;</a> (39254 bytes)
We could discuss in more detail the generalization added based on the
requests from the San Francisco meeting.

Routing and Wavelength Assignment Information Encoding for Wavelength
Switched Optical Networks
<a class="moz-txt-link-rfc2396E" href="http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-encode-02.txt">&lt;http://www.ietf.org/id/draft-ietf-ccamp-rwa-wson-encode-02.txt&gt;</a> (69208
bytes)
This would be a good time and place to get into the bits and bytes of
the encoding of this stuff.

A Framework for the Control of Wavelength Switched Optical Networks
(WSON) with Impairments
<a class="moz-txt-link-rfc2396E" href="http://www.ietf.org/id/draft-ietf-ccamp-wson-impairments-00.txt">&lt;http://www.ietf.org/id/draft-ietf-ccamp-wson-impairments-00.txt&gt;</a> (77723
bytes)
A number of suggestions have come in on next steps with this new WG
document, it would be good to discuss them.

Regards

Greg B.

-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237



------------------------------------------------------------------------

_______________________________________________
CCAMP mailing list
<a class="moz-txt-link-abbreviated" href="mailto:CCAMP@ietf.org">CCAMP@ietf.org</a>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/mailman/listinfo/ccamp">https://www.ietf.org/mailman/listinfo/ccamp</a>
    </pre>
  </blockquote>
  <pre wrap=""><!---->
  </pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237

</pre>
</body>
</html>

--------------040507010805050302090800--

From lberger@labn.net  Wed Jul 22 15:14:15 2009
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Subject: [CCAMP] Slides next week
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This is a reminder to those of you who are presenting next week:

Please send in your slides as soon as possible.  We'd like to post them
by the start of the week, so please try to send in your slides by the
end of your day Friday (any timezone).  Slides sent to us after Sunday
run the risk of not being uploaded for the meeting.

Much thanks,
Lou (and Deborah)

PS Agenda and posted Presentations are available at:
  https://datatracker.ietf.org/meeting/75/materials.html#wg-ccamp

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Dear Lou Berger, David Allan, Himanshu Shah, Nabil Bitar, Don Fedyk, Nurit Sprecher, Attila Takacs, Diego Caviglia, Alan McGuire:

An IPR disclosure that pertains to your Internet-Draft entitled "Generalized
Multiprotocol Label Switching (GMPLS) control of Ethernet PBB-TE"
(draft-ietf-ccamp-gmpls-ethernet-pbb-te) was submitted to the IETF Secretariat
on 2009-07-16 and has been posted on the "IETF Page of Intellectual Property
Rights Disclosures" (https://datatracker.ietf.org/ipr/1174/). The title of the
IPR disclosure is "Telefonaktiebolaget LM Ericsson (publ)'s Statement about IPR
related to draft-ietf-ccamp-gmpls-ethernet-pbb-te-02."

The IETF Secretariat



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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Common Control and Measurement Plane Working Group of the IETF.


	Title           : RSVP-TE Signaling Extension For Management Plane To Control Plane LSP Handover In A GMPLS Enabled Transport Network.
	Author(s)       : D. Caviglia, et al.
	Filename        : draft-ietf-ccamp-pc-spc-rsvpte-ext-03.txt
	Pages           : 20
	Date            : 2009-07-27

We would like to dedicate this work to our friend and colleague Dino
Bramanti, who passed away at the early age of 38.  Dino has been
involved in this work since its beginning.

In a transport network scenario, where Data Plane connections
controlled either by GMPLS Control Plane (Soft Permanent Connections
- SPC) or by Management System (Permanent Connections - PC) may
independently coexist, the ability of transforming an existing PC
into a SPC and vice versa - without actually affecting Data Plane
traffic being carried over it - is a requirement [RFC5493].

This memo provides a minor extension to RSVP-TE [RFC2205], [RFC3471],
[RFC3473], [RFC4872] signaling protocol, within GMPLS architecture,
to enable such connection ownership transfer and describes the
defined procedures.  Failure conditions and subsequent roll back are
also defined taking into account that an handover failure MUST NOT
impact the already established data plane connections.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-pc-spc-rsvpte-ext-03.txt

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From fu.xihua@zte.com.cn  Tue Jul 28 03:03:29 2009
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Subject: [CCAMP] Discussion about the GMPLS Signaling Extension for Evolutive OTN
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Hi Fatai and All,

We have presented the following two document  in the CCAMP morning 
session. But we have no more time to further discuss GMPLS extension for 
evolutive OTN
draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol-otn-00.txt
draft-zhang-ccamp-gmpls-evolving-g709-01.txt

We have a couple of comments and questions for the draft-zhang.
(1) draft-zhang defined the extensions including what has been done in 
RFC4328 (i.e., ODU1, ODU2 and ODU3). 
      draft-ceccarellifuxh defined new Gneralized Label only for new 
application (i.e., ODU0, 1.25G ODU1, 1.25G ODU2, 1.25G ODU3, ODU2e, 
ODU3e1, ODU3e2, ODUflex and ODU4). 
      draft-ceccarellifuxh is only a supplement of RFC4328.
      How can we used RFC4328 and draft-zhang ? 
      Any way, if we need to update an previous RFC, we should assume that 
it has been deployed, not asking if someone did or not.

(2) Do you really want to remove NMC from the Traffic Parameters? 
      If you do that, I think we have to abandon RFC4328. 

(3) The compatibility consideration in draft-zhang.
   We don't think the extensions in draft-zhang can coexist with RFC4328.
   You point out "we can just do some translation or mapping in the new 
nodes". 
   But before the translation or mapping, you have to know the Generalized 
Label Format. 
   We concern about: 
   i)  How does one node know the Generalized Label format, especially for 
ODU1, ODU2 and ODU3 base on your solution? 
        It may depend on the capability of the adjacent network element.
   ii) But how can the control plane know the adjacent network element's 
capability without discovery mechanism? 
       You should know that GMPLS signaling extension should be 
independent on the discovery mechanism and the configuration of management 
plane.
   iii) The control plane don't need to know the G.709(2003/03) or G.709 
Amendment3 network element?
 
     In a word, we think it can not do the translation and  mapping. So we 
can not get the compatibility with RFC4328 in draft-zhang.

 (4) The Generalized Label in draft-zhang
    - managing a variable length label could be a mess. 
    - draft-zhang uses a first part of the label which has fixed values 
and then a variable number of bit that is the bitmap. 
       The bitmap can be long from 0 to 80 bits depending on the signal 
type.
    - the value of the bitmap is not independent but depends on the values 
of two previous fields (ODUk and ODUj) and becomes reserved in case of K=J
    - a bitmap label have not been used nor in SDH and not in WSON where a 
fixed label (4 bytes) is used.

Xihua Fu
ZTE



--=_alternative 0034670B48257601_=
Content-Type: text/html; charset="US-ASCII"


<br><font size=2 face="sans-serif">Hi Fatai and All,</font>
<br>
<br><font size=2 face="sans-serif">We have presented the following two
document &nbsp;in the CCAMP morning session. But we have no more time to
further discuss GMPLS extension for evolutive OTN</font>
<br><a href="http://tools.ietf.org/html/draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol-otn-00"><font size=2 color=blue><tt><u>draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol-otn-00.txt</u></tt></font></a>
<br><a href="http://tools.ietf.org/html/draft-zhang-ccamp-gmpls-evolving-g709-01.txt"><font size=2 color=blue><tt><u>draft-zhang-ccamp-gmpls-evolving-g709-01.txt</u></tt></font></a>
<br>
<br><font size=2 face="sans-serif">We have a couple of comments and questions
for the draft-zhang.</font>
<br><font size=2 face="sans-serif">(1) draft-zhang defined the extensions
including what has been done in RFC4328 (i.e., ODU1, ODU2 and ODU3). </font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp; draft-ceccarellifuxh
defined new Gneralized Label only for new application (i.e., ODU0, 1.25G
ODU1, 1.25G ODU2, 1.25G ODU3, ODU2e, ODU3e1, ODU3e2, ODUflex and ODU4).
</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp; draft-ceccarellifuxh
is only a supplement of RFC4328.</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp; How can we used
RFC4328 and draft-zhang ? &nbsp; &nbsp; &nbsp; </font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp; Any way, if we
need to update an previous RFC, we should assume that it has been deployed,
not asking if someone did or not.</font>
<br>
<br><font size=2 face="sans-serif">(2) Do you really want to remove NMC
from the Traffic Parameters? </font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp; If you do that,
I think we have to abandon RFC4328. </font>
<br>
<br><font size=2 face="sans-serif">(3) The compatibility consideration
in draft-zhang.</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp;We don't think the extensions
in draft-zhang can coexist with RFC4328.</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp;You point out &quot;we
can just do some translation or mapping in the new nodes&quot;. </font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp;But before the translation
or mapping, you have to know the Generalized Label Format. &nbsp;</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp;We concern about: &nbsp;
</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp;i) &nbsp;How does one node
know the Generalized Label format, especially for ODU1, ODU2 and ODU3 base
on your solution? &nbsp; &nbsp;</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; It may depend
on the capability of the adjacent network element.</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp;ii) But how can the control
plane know the adjacent network element's capability without discovery
mechanism? </font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp;You should
know that GMPLS signaling extension should be independent on the discovery
mechanism and the configuration of management plane.</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp;iii) The control plane
don't need to know the G.709(2003/03) or G.709 Amendment3 network element?</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp;</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp;In a word, we think
it can not do the translation and &nbsp;mapping. So we can not get the
compatibility with RFC4328 in draft-zhang.</font>
<br>
<br><font size=2 face="sans-serif">&nbsp;(4) The Generalized Label in draft-zhang</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; - managing a variable
length label could be a mess. </font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; - draft-zhang uses a first
part of the label which has fixed values and then a variable number of
bit that is the bitmap. </font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp;The bitmap
can be long from 0 to 80 bits depending on the signal type.</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; - the value of the bitmap
is not independent but depends on the values of two previous fields (ODUk
and ODUj) and becomes reserved in case of K=J</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; - a bitmap label have
not been used nor in SDH and not in WSON where a fixed label (4 bytes)
is used.</font>
<br>
<br><font size=2 face="sans-serif">Xihua Fu</font>
<br><font size=2 face="sans-serif">ZTE</font>
<br>
<br>
<br>
--=_alternative 0034670B48257601_=--


From gregb@grotto-networking.com  Tue Jul 28 22:31:13 2009
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Date: Wed, 29 Jul 2009 07:30:53 +0200
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Subject: [CCAMP] WSON Impairment scenarios -- control plane perspective...
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Hi folks, there seemed to be some questions about where we could get 
started with WSON impairments. On reviewing the Impairment Framework 
draft, it seems like we've got a lot of bases covered but we aren't 
explicit about one could get started dealing with optical impairments.

Below is a short analysis with somewhat "loose" language. Some of this 
could potentially be useful in a liaison to ITU-T Q6.

Comments welcome.

Greg B.


  *Impairment Estimation Categories and the Control Plane*


    Opaque WSON with respect to Impairments

In this case we are given a list of qualified paths between a desired 
source and destination of a connection. These paths may come with 
wavelength restrictions due to impairments (not related to wavelength 
availability in RWA process).

We do not know anything about how these viable paths are computed. We 
don't know and shouldn't care if the impairments are linear or non-linear.

We are assured that if we select one of these paths and assign a 
wavelength to it then the establishment of this connection will not 
impact previously established connections in the network. 

Example usage: a single vendor supplies WDM line systems and ROADMs. We 
wish to use a GMPLS control plane and perhaps PCE based optimization but 
not all paths through the network are viable due to impairments.

ITU-T Q6 implications: My guess it that the Q6 folks would not care 
about this case since this doesn't really call for standardization of 
impairment parameters or procedures.

CCAMP implications: This seems like a very practical case for the 
control plane. We would only want to standardize the way in which we 
obtain the list of qualified paths. */No impairment information model is 
needed here/*. An architecture reflecting this option is already in the 
Impairment Framework draft.


    Partially Opaque WSON

In this case the impairment behavior of certain elements of the WSON can 
be suitably modeled via standardized techniques, e.g., G.680 while other 
parts of the WSON are not. The entity responsible for these other parts 
of the WSON imports the characteristics of these "open" elements and 
uses them as part of a viable path computation process, the details of 
which are opaque to the control plane.

We are assured that if we select one of these paths and assign a 
wavelength to it then the establishment of this connection will not 
impact previously established connections in the network. 

Example usage: The characteristics of the WDM line systems are not 
specified, but well characterized ROADMs are used in the WSON. The WDM 
line system vendor uses these characteristics in its 
internal/proprietary viable path computations.

Q6 and CCAMP implications: here we would be using a standardize 
information model for the "open" WSON network elements. How the other 
"opaque" network elements are characterized and how viable path 
computation is carried out is out of scope of either SDO. Such an 
approach takes advantage of standardized impairment models where it can. 
Implications for CCAMP would be an impairment information model and an 
interface for requesting/receiving qualified paths. An architecture that 
can support this case is already contained in the WSON impairment 
framework draft.


    Linearly Approximated Open WSON Impairment Model

In this case the impairment aspects of the WSON can be well approximated 
by standardized (or to be standardized) "linear" models such as those 
found in G.680. From these models the viability of paths can be evaluated.

We are assured that if we select one of these paths and assign a 
wavelength to it then the establishment of this connection will not 
impact previously established connections in the network. 

Implications for Q6: Current impairment models such as recent version of 
G.680 do not include models for WDM line systems.

Implications for CCAMP: An impairment information model is needed. 
Distributed impairment validation (via signaling) could be possible.

General comments: it would seem to be the responsibility of the WSON 
network designer to insure that the network is operating in a "region" 
where these linear approximations for impairments are valid. This seems 
beyond the purview of a standards organization to specify.

An architecture to accommodate this case is contained in the WSON 
impairment framework draft.


-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237



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Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body bgcolor="#ffffff" text="#000000">
Hi folks, there seemed to be some questions about where we could get
started with WSON impairments. On reviewing the Impairment Framework
draft, it seems like we've got a lot of bases covered but we aren't
explicit about one could get started dealing with optical impairments.<br>
<br>
Below is a short analysis with somewhat "loose" language. Some of this
could potentially be useful in a liaison to ITU-T Q6.<br>
<br>
Comments welcome. <br>
<br>
Greg B.<br>
<br>
<h1 align="center"><b style="">Impairment Estimation Categories and the
Control Plane<o:p></o:p></b></h1>
<h2>Opaque WSON with respect to Impairments</h2>
<p class="MsoNormal">In this case we are given a list of qualified
paths between a
desired source and destination of a connection. These paths may come
with
wavelength restrictions due to impairments (not related to wavelength
availability in RWA process). </p>
<p class="MsoNormal">We do not know anything about how these viable
paths are
computed. We don't know and shouldn't care if the impairments are
linear or
non-linear.</p>
<p class="MsoNormal">We are assured that if we select one of these
paths and
assign a wavelength to it then the establishment of this connection
will not
impact previously established connections in the network.<span style="">&nbsp;
</span></p>
<p class="MsoNormal">Example usage: a single vendor supplies WDM line
systems and
ROADMs. We wish to use a GMPLS control plane and perhaps PCE based
optimization
but not all paths through the network are viable due to impairments. </p>
<p class="MsoNormal">ITU-T Q6 implications: My guess it that the Q6
folks would not
care about this case since this doesn't really call for standardization
of impairment
parameters or procedures. </p>
<p class="MsoNormal">CCAMP implications: This seems like a very
practical case
for the control plane. We would only want to standardize the way in
which we
obtain the list of qualified paths. <b style=""><i style="">No
impairment information model is needed
here</i></b>. An architecture reflecting this option is already in the
Impairment Framework draft. </p>
<h2>Partially Opaque WSON</h2>
<p class="MsoNormal">In this case the impairment behavior of certain
elements of
the WSON can be suitably modeled via standardized techniques, e.g.,
G.680 while
other parts of the WSON are not. The entity responsible for these other
parts
of the WSON imports the characteristics of these "open" elements and
uses them as part of a viable path computation process, the details of
which
are opaque to the control plane.</p>
<p class="MsoNormal">We are assured that if we select one of these
paths and
assign a wavelength to it then the establishment of this connection
will not
impact previously established connections in the network.<span style="">&nbsp;
</span></p>
<p class="MsoNormal">Example usage: The characteristics of the WDM line
systems
are not specified, but well characterized ROADMs are used in the WSON.
The WDM
line system vendor uses these characteristics in its
internal/proprietary
viable path computations.</p>
<p class="MsoNormal">Q6 and CCAMP implications: here we would be using
a
standardize information model for the "open" WSON network elements.
How the other "opaque" network elements are characterized and how
viable path computation is carried out is out of scope of either SDO.
Such an
approach takes advantage of standardized impairment models where it
can. Implications
for CCAMP would be an impairment information model and an interface for
requesting/receiving qualified paths. An architecture that can support
this
case is already contained in the WSON impairment framework draft.</p>
<h2>Linearly Approximated Open WSON Impairment Model</h2>
<p class="MsoNormal">In this case the impairment aspects of the WSON
can be well
approximated by standardized (or to be standardized) "linear" models
such as those found in G.680. From these models the viability of paths
can be
evaluated.</p>
<p class="MsoNormal">We are assured that if we select one of these
paths and
assign a wavelength to it then the establishment of this connection
will not
impact previously established connections in the network.<span style="">&nbsp;
</span></p>
<p class="MsoNormal">Implications for Q6: Current impairment models
such as
recent version of G.680 do not include models for WDM line systems. </p>
<p class="MsoNormal">Implications for CCAMP: An impairment information
model is
needed. Distributed impairment validation (via signaling) could be
possible.</p>
<p class="MsoNormal">General comments: it would seem to be the
responsibility of
the WSON network designer to insure that the network is operating in a
"region" where these linear approximations for impairments are valid.
This seems beyond the purview of a standards organization to specify.</p>
<p class="MsoNormal">An architecture to accommodate this case is
contained in the
WSON impairment framework draft.</p>
<br>
<pre class="moz-signature" cols="72">-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237

</pre>
</body>
</html>

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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Common Control and Measurement Plane Working Group of the IETF.


	Title           : draft-ietf-ccamp-gmpls-vcat-lcas-08.txt
	Author(s)       : G. Bernstein, et al.
	Filename        : draft-ietf-ccamp-gmpls-vcat-lcas-08.txt
	Pages           : 21
	Date            : 2009-07-28

This document describes requirements for, and use of, the Generalized 
Multi-Protocol Label Switching (GMPLS) control plane in conjunction 
with the Virtual Concatenation (VCAT) layer 1 inverse multiplexing 
mechanism and its companion Link Capacity Adjustment Scheme (LCAS) 
which can be used for hitless dynamic resizing of the inverse 
multiplex group.  These techniques apply to Optical Transport Network 
(OTN), Synchronous Optical Network (SONET), Synchronous Digital 
Hierarchy (SDH), and Plesiochronous Digital Hierarchy (PDH) signals. 

Conventions used in this document 

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"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 
document are to be interpreted as described in RFC-2119 [RFC2119].

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From daniele.ceccarelli@ericsson.com  Wed Jul 29 01:38:04 2009
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From: "Daniele Ceccarelli" <daniele.ceccarelli@ericsson.com>
To: <fu.xihua@zte.com.cn>, <dbrungard@att.com>, <lberger@labn.net>, <zhangfatai@huawei.com>, "Diego Caviglia" <diego.caviglia@ericsson.com>
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Hi All,
=20
unfortunately yesterday we had only few minutes to present the two =
solutions we are working on but
we need feddbacks from the WG to understand which is the preferred =
solution and have all the authors work togheter on it.
=20
We would like to collect opinions/comments/suggestion from people =
interested in this topic.
=20
Many thanks and best regards
=20
Daniele

________________________________

Da: fu.xihua@zte.com.cn [mailto:fu.xihua@zte.com.cn]
Inviato: mar 28/07/2009 11:33
A: dbrungard@att.com; lberger@labn.net; zhangfatai@huawei.com; Diego =
Caviglia; Daniele Ceccarelli
Cc: ccamp@ietf.org
Oggetto: Discussion about the GMPLS Signaling Extension for Evolutive =
OTN=20



Hi Fatai and All,=20

We have presented the following two document  in the CCAMP morning =
session. But we have no more time to further discuss GMPLS extension for =
evolutive OTN=20
draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol-otn-00.txt =
<http://tools.ietf.org/html/draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol=
-otn-00> =20
draft-zhang-ccamp-gmpls-evolving-g709-01.txt =
<http://tools.ietf.org/html/draft-zhang-ccamp-gmpls-evolving-g709-01.txt>=
 =20

We have a couple of comments and questions for the draft-zhang.=20
(1) draft-zhang defined the extensions including what has been done in =
RFC4328 (i.e., ODU1, ODU2 and ODU3).=20
      draft-ceccarellifuxh defined new Gneralized Label only for new =
application (i.e., ODU0, 1.25G ODU1, 1.25G ODU2, 1.25G ODU3, ODU2e, =
ODU3e1, ODU3e2, ODUflex and ODU4).=20
      draft-ceccarellifuxh is only a supplement of RFC4328.=20
      How can we used RFC4328 and draft-zhang ?      =20
      Any way, if we need to update an previous RFC, we should assume =
that it has been deployed, not asking if someone did or not.=20

(2) Do you really want to remove NMC from the Traffic Parameters?=20
      If you do that, I think we have to abandon RFC4328.=20

(3) The compatibility consideration in draft-zhang.=20
   We don't think the extensions in draft-zhang can coexist with =
RFC4328.=20
   You point out "we can just do some translation or mapping in the new =
nodes".=20
   But before the translation or mapping, you have to know the =
Generalized Label Format.  =20
   We concern about:  =20
   i)  How does one node know the Generalized Label format, especially =
for ODU1, ODU2 and ODU3 base on your solution?    =20
        It may depend on the capability of the adjacent network element. =

   ii) But how can the control plane know the adjacent network element's =
capability without discovery mechanism?=20
       You should know that GMPLS signaling extension should be =
independent on the discovery mechanism and the configuration of =
management plane.=20
   iii) The control plane don't need to know the G.709(2003/03) or G.709 =
Amendment3 network element?=20
     =20
     In a word, we think it can not do the translation and  mapping. So =
we can not get the compatibility with RFC4328 in draft-zhang.=20

 (4) The Generalized Label in draft-zhang=20
    - managing a variable length label could be a mess.=20
    - draft-zhang uses a first part of the label which has fixed values =
and then a variable number of bit that is the bitmap.=20
       The bitmap can be long from 0 to 80 bits depending on the signal =
type.=20
    - the value of the bitmap is not independent but depends on the =
values of two previous fields (ODUk and ODUj) and becomes reserved in =
case of K=3DJ=20
    - a bitmap label have not been used nor in SDH and not in WSON where =
a fixed label (4 bytes) is used.=20

Xihua Fu=20
ZTE=20




From zhangfatai@huawei.com  Wed Jul 29 09:32:47 2009
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Date: Thu, 30 Jul 2009 00:32:40 +0800
From: Fatai <zhangfatai@huawei.com>
To: fu.xihua@zte.com.cn, dbrungard@att.com, lberger@labn.net, diego.caviglia@ericsson.com, daniele.ceccarelli@ericsson.com, zhangguoying@mail.ritt.com.cn, xuyunbin@mail.ritt.com.cn
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Subject: Re: [CCAMP] Discussion about the GMPLS Signaling Extension for Evolutive OTN
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Hi all,

To support the current verison of G.709, we think the label format defined in RFC4328 need to be re-defined anyway. The new OTN label format should support the whole ODU sets, not only the ODU1, 2, and 3, but also ODU0, ODU4, even ODUFlex. The following three aspects should be considered carefully:

1) The extensibility of the label format is the first thing we should consider. With the development of OTN technology, RFC4328 label format style needs to be extended to support the new bitrate ODU (eg. ODU5, 6...). By the end, we may need keep extending the label formats. Managing lots of label format may cause big trouble, so we need one-shot label format for the evolving OTN.  

2) Scalability is another key issue. RFC4328 style format may result in big size of the total labels, which definitely increase the burden of the signaling. An efficient approach is needed to carry the same label information but with less amount of the data, bitmap style is the right way to go.

3) For backward compatibility, if there are no implementations for RFC4328 (or if there are no deployments it is desirable to deprecate even if it is uncomfortable for existing implementations), it is very safe to deprecate the old definition, and an extensible, efficient and scalable solution could be helpful. The label defined in draft-zhang does not overwrite RFC4328, it can allow the old definition to continue to exist.

Hope this can clarify your concern.

Authors of draft-zhang



  ----- Original Message ----- 
  From: fu.xihua@zte.com.cn 
  To: dbrungard@att.com ; lberger@labn.net ; zhangfatai@huawei.com ; diego.caviglia@ericsson.com ; daniele.ceccarelli@ericsson.com 
  Cc: ccamp@ietf.org 
  Sent: Tuesday, July 28, 2009 5:33 PM
  Subject: Discussion about the GMPLS Signaling Extension for Evolutive OTN



  Hi Fatai and All, 

  We have presented the following two document  in the CCAMP morning session. But we have no more time to further discuss GMPLS extension for evolutive OTN 
  draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol-otn-00.txt 
  draft-zhang-ccamp-gmpls-evolving-g709-01.txt 

  We have a couple of comments and questions for the draft-zhang. 
  (1) draft-zhang defined the extensions including what has been done in RFC4328 (i.e., ODU1, ODU2 and ODU3). 
        draft-ceccarellifuxh defined new Gneralized Label only for new application (i.e., ODU0, 1.25G ODU1, 1.25G ODU2, 1.25G ODU3, ODU2e, ODU3e1, ODU3e2, ODUflex and ODU4). 
        draft-ceccarellifuxh is only a supplement of RFC4328. 
        How can we used RFC4328 and draft-zhang ?       
        Any way, if we need to update an previous RFC, we should assume that it has been deployed, not asking if someone did or not. 

  (2) Do you really want to remove NMC from the Traffic Parameters? 
        If you do that, I think we have to abandon RFC4328. 

  (3) The compatibility consideration in draft-zhang. 
     We don't think the extensions in draft-zhang can coexist with RFC4328. 
     You point out "we can just do some translation or mapping in the new nodes". 
     But before the translation or mapping, you have to know the Generalized Label Format.   
     We concern about:   
     i)  How does one node know the Generalized Label format, especially for ODU1, ODU2 and ODU3 base on your solution?     
          It may depend on the capability of the adjacent network element. 
     ii) But how can the control plane know the adjacent network element's capability without discovery mechanism? 
         You should know that GMPLS signaling extension should be independent on the discovery mechanism and the configuration of management plane. 
     iii) The control plane don't need to know the G.709(2003/03) or G.709 Amendment3 network element? 
        
       In a word, we think it can not do the translation and  mapping. So we can not get the compatibility with RFC4328 in draft-zhang. 

   (4) The Generalized Label in draft-zhang 
      - managing a variable length label could be a mess. 
      - draft-zhang uses a first part of the label which has fixed values and then a variable number of bit that is the bitmap. 
         The bitmap can be long from 0 to 80 bits depending on the signal type. 
      - the value of the bitmap is not independent but depends on the values of two previous fields (ODUk and ODUj) and becomes reserved in case of K=J 
      - a bitmap label have not been used nor in SDH and not in WSON where a fixed label (4 bytes) is used. 

  Xihua Fu 
  ZTE 



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<DIV><FONT face=&#23435;&#20307;>
<DIV><FONT face=Arial>Hi all,</FONT></DIV>
<DIV><FONT face=Arial></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial>To support the current verison of G.709, we&nbsp;think 
the&nbsp;label format&nbsp;defined in&nbsp;RFC4328&nbsp;need to 
be&nbsp;re-defined anyway.&nbsp;The&nbsp;new OTN label format should support 
the&nbsp;whole ODU sets, not only the ODU1, 2, and 3,&nbsp;but also&nbsp;ODU0, 
ODU4, even ODUFlex. The following three aspects should be considered 
carefully:</FONT></DIV>
<DIV><FONT face=Arial></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial>1) The extensibility of the label format is the first 
thing we should consider.&nbsp;With the development of OTN 
technology,&nbsp;RFC4328 label format style&nbsp;needs to be extended to support 
the new bitrate ODU (eg. ODU5, 6...). By the end, we may need keep extending the 
label formats. Managing lots of label format&nbsp;may cause big trouble, so we 
need one-shot label format for the evolving OTN.&nbsp;&nbsp;</FONT></DIV>
<DIV><FONT face=Arial></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial>2) Scalability is&nbsp;another key issue.&nbsp;RFC4328 
style format may result in big&nbsp;size&nbsp;of the total labels, 
which&nbsp;definitely increase the burden of the signaling. An efficient 
approach is needed to carry the same label information but with less amount of 
the data, bitmap style is the right way to go.</FONT></DIV>
<DIV><FONT face=Arial></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial>3) For backward compatibility, if there are&nbsp;no 
implementations for RFC4328 (or if there&nbsp;are no deployments it is desirable 
to deprecate even if it is uncomfortable for existing implementations), it is 
very safe to deprecate the old definition, and an extensible, efficient and 
scalable solution could be helpful.&nbsp;The label defined 
in&nbsp;draft-zhang&nbsp;does not overwrite RFC4328, it can allow the old 
definition to continue to exist.</FONT></DIV>
<DIV><FONT face=Arial></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial>Hope this can clarify your concern.</FONT></DIV>
<DIV><FONT face=Arial></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial>Authors of draft-zhang</FONT></DIV></FONT></DIV>
<DIV><FONT face=&#23435;&#20307;></FONT>&nbsp;</DIV>
<DIV><FONT face=&#23435;&#20307;></FONT>&nbsp;</DIV>
<DIV><FONT face=&#23435;&#20307;></FONT>&nbsp;</DIV>
<BLOCKQUOTE 
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
  <DIV style="FONT: 9pt &#23435;&#20307;">----- Original Message ----- </DIV>
  <DIV style="BACKGROUND: #e4e4e4; FONT: 9pt &#23435;&#20307;; font-color: black"><B>From:</B> 
  <A title=fu.xihua@zte.com.cn 
  href="mailto:fu.xihua@zte.com.cn">fu.xihua@zte.com.cn</A> </DIV>
  <DIV style="FONT: 9pt &#23435;&#20307;"><B>To:</B> <A title=dbrungard@att.com 
  href="mailto:dbrungard@att.com">dbrungard@att.com</A> ; <A 
  title=lberger@labn.net href="mailto:lberger@labn.net">lberger@labn.net</A> ; 
  <A title=zhangfatai@huawei.com 
  href="mailto:zhangfatai@huawei.com">zhangfatai@huawei.com</A> ; <A 
  title=diego.caviglia@ericsson.com 
  href="mailto:diego.caviglia@ericsson.com">diego.caviglia@ericsson.com</A> ; <A 
  title=daniele.ceccarelli@ericsson.com 
  href="mailto:daniele.ceccarelli@ericsson.com">daniele.ceccarelli@ericsson.com</A> 
  </DIV>
  <DIV style="FONT: 9pt &#23435;&#20307;"><B>Cc:</B> <A title=ccamp@ietf.org 
  href="mailto:ccamp@ietf.org">ccamp@ietf.org</A> </DIV>
  <DIV style="FONT: 9pt &#23435;&#20307;"><B>Sent:</B> Tuesday, July 28, 2009 5:33 PM</DIV>
  <DIV style="FONT: 9pt &#23435;&#20307;"><B>Subject:</B> Discussion about the GMPLS Signaling 
  Extension for Evolutive OTN</DIV>
  <DIV><BR></DIV><BR><FONT face=sans-serif size=2>Hi Fatai and All,</FONT> 
  <BR><BR><FONT face=sans-serif size=2>We have presented the following two 
  document &nbsp;in the CCAMP morning session. But we have no more time to 
  further discuss GMPLS extension for evolutive OTN</FONT> <BR><A 
  href="http://tools.ietf.org/html/draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol-otn-00"><FONT 
  color=blue 
  size=2><TT><U>draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol-otn-00.txt</U></TT></FONT></A> 
  <BR><A 
  href="http://tools.ietf.org/html/draft-zhang-ccamp-gmpls-evolving-g709-01.txt"><FONT 
  color=blue 
  size=2><TT><U>draft-zhang-ccamp-gmpls-evolving-g709-01.txt</U></TT></FONT></A> 
  <BR><BR><FONT face=sans-serif size=2>We have a couple of comments and 
  questions for the draft-zhang.</FONT> <BR><FONT face=sans-serif size=2>(1) 
  draft-zhang defined the extensions including what has been done in RFC4328 
  (i.e., ODU1, ODU2 and ODU3). </FONT><BR><FONT face=sans-serif size=2>&nbsp; 
  &nbsp; &nbsp; draft-ceccarellifuxh defined new Gneralized Label only for new 
  application (i.e., ODU0, 1.25G ODU1, 1.25G ODU2, 1.25G ODU3, ODU2e, ODU3e1, 
  ODU3e2, ODUflex and ODU4). </FONT><BR><FONT face=sans-serif size=2>&nbsp; 
  &nbsp; &nbsp; draft-ceccarellifuxh is only a supplement of RFC4328.</FONT> 
  <BR><FONT face=sans-serif size=2>&nbsp; &nbsp; &nbsp; How can we used RFC4328 
  and draft-zhang ? &nbsp; &nbsp; &nbsp; </FONT><BR><FONT face=sans-serif 
  size=2>&nbsp; &nbsp; &nbsp; Any way, if we need to update an previous RFC, we 
  should assume that it has been deployed, not asking if someone did or 
  not.</FONT> <BR><BR><FONT face=sans-serif size=2>(2) Do you really want to 
  remove NMC from the Traffic Parameters? </FONT><BR><FONT face=sans-serif 
  size=2>&nbsp; &nbsp; &nbsp; If you do that, I think we have to abandon 
  RFC4328. </FONT><BR><BR><FONT face=sans-serif size=2>(3) The compatibility 
  consideration in draft-zhang.</FONT> <BR><FONT face=sans-serif size=2>&nbsp; 
  &nbsp;We don't think the extensions in draft-zhang can coexist with 
  RFC4328.</FONT> <BR><FONT face=sans-serif size=2>&nbsp; &nbsp;You point out 
  "we can just do some translation or mapping in the new nodes". 
  </FONT><BR><FONT face=sans-serif size=2>&nbsp; &nbsp;But before the 
  translation or mapping, you have to know the Generalized Label Format. 
  &nbsp;</FONT> <BR><FONT face=sans-serif size=2>&nbsp; &nbsp;We concern about: 
  &nbsp; </FONT><BR><FONT face=sans-serif size=2>&nbsp; &nbsp;i) &nbsp;How does 
  one node know the Generalized Label format, especially for ODU1, ODU2 and ODU3 
  base on your solution? &nbsp; &nbsp;</FONT> <BR><FONT face=sans-serif 
  size=2>&nbsp; &nbsp; &nbsp; &nbsp; It may depend on the capability of the 
  adjacent network element.</FONT> <BR><FONT face=sans-serif size=2>&nbsp; 
  &nbsp;ii) But how can the control plane know the adjacent network element's 
  capability without discovery mechanism? </FONT><BR><FONT face=sans-serif 
  size=2>&nbsp; &nbsp; &nbsp; &nbsp;You should know that GMPLS signaling 
  extension should be independent on the discovery mechanism and the 
  configuration of management plane.</FONT> <BR><FONT face=sans-serif 
  size=2>&nbsp; &nbsp;iii) The control plane don't need to know the 
  G.709(2003/03) or G.709 Amendment3 network element?</FONT> <BR><FONT 
  face=sans-serif size=2>&nbsp; &nbsp; &nbsp;</FONT> <BR><FONT face=sans-serif 
  size=2>&nbsp; &nbsp; &nbsp;In a word, we think it can not do the translation 
  and &nbsp;mapping. So we can not get the compatibility with RFC4328 in 
  draft-zhang.</FONT> <BR><BR><FONT face=sans-serif size=2>&nbsp;(4) The 
  Generalized Label in draft-zhang</FONT> <BR><FONT face=sans-serif 
  size=2>&nbsp; &nbsp; - managing a variable length label could be a mess. 
  </FONT><BR><FONT face=sans-serif size=2>&nbsp; &nbsp; - draft-zhang uses a 
  first part of the label which has fixed values and then a variable number of 
  bit that is the bitmap. </FONT><BR><FONT face=sans-serif size=2>&nbsp; &nbsp; 
  &nbsp; &nbsp;The bitmap can be long from 0 to 80 bits depending on the signal 
  type.</FONT> <BR><FONT face=sans-serif size=2>&nbsp; &nbsp; - the value of the 
  bitmap is not independent but depends on the values of two previous fields 
  (ODUk and ODUj) and becomes reserved in case of K=J</FONT> <BR><FONT 
  face=sans-serif size=2>&nbsp; &nbsp; - a bitmap label have not been used nor 
  in SDH and not in WSON where a fixed label (4 bytes) is used.</FONT> 
  <BR><BR><FONT face=sans-serif size=2>Xihua Fu</FONT> <BR><FONT face=sans-serif 
  size=2>ZTE</FONT> <BR><BR><BR></BLOCKQUOTE></BODY></HTML>

--Boundary_(ID_9f1SqKl9W+PTtcdwWgi1hw)--

From Sergio.Belotti@alcatel-lucent.it  Thu Jul 30 02:34:39 2009
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From: "BELOTTI SERGIO" <Sergio.Belotti@alcatel-lucent.it>
To: "Fatai" <zhangfatai@huawei.com>, <fu.xihua@zte.com.cn>, <dbrungard@att.com>, <lberger@labn.net>, <diego.caviglia@ericsson.com>,  <daniele.ceccarelli@ericsson.com>, <zhangguoying@mail.ritt.com.cn>, <xuyunbin@mail.ritt.com.cn>
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Subject: [CCAMP] R: Discussion about the GMPLS Signaling Extension forEvolutive OTN
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Dear Fatai and all,

=20

We agree on the major points raised by Fatai as general issue to be =
solved in the context of extension needed to cope with new containers =
defined in ITU  q11 context, in addition to handling ODU multiplexing =
scenarios in existing OTN.

There are two basic points that brings to the need to update the RFC4328 =
anyway.

=20

1) the present RFC does not permit the link based negotiation  for time =
slot allocation . No information about tributary port numbers is present =
and only in case we have "single layer" , no multiplexing LO --> HO you =
can apply . So this is a lack against the original G.709 even without =
considering G.709 Am3 .

=20

2) Scalability: The extension required in the context of new OTN with =
the introduction of ODU0, ODU4, and above all ODUflex , required a real =
modifications of the structure of the label to avoid real big size of =
number of labels to transmit offloading signalling session. Extension =
based on RFC4328 logic do not scale when ODU-flex is used. Large ODU =
flex containers will generate

an excessive number of labels (in principle up to 80 per link) causing =
problems with the size of the RSVP-TE message.

=20

This two points together call to the need to change something in RFC.

Backward compatibility aspects, present in all the drafts, are surely to =
be considered and if there are single layer systems deployed using =
RFC4328 this should be grandfathered.

=20

Best Regards

=20

Sergio

=20

=20

Sergio Belotti

=20

CTO Optics Division

Alcatel-Lucent

=20

+39 039 6863033

+39 039 6863590

=20

________________________________

Da: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] Per conto di =
Fatai
Inviato: mercoled=EC 29 luglio 2009 18.33
A: fu.xihua@zte.com.cn; dbrungard@att.com; lberger@labn.net; =
diego.caviglia@ericsson.com; daniele.ceccarelli@ericsson.com; =
zhangguoying@mail.ritt.com.cn; xuyunbin@mail.ritt.com.cn
Cc: ccamp@ietf.org
Oggetto: Re: [CCAMP] Discussion about the GMPLS Signaling Extension =
forEvolutive OTN

=20

Hi all,

=20

To support the current verison of G.709, we think the label format =
defined in RFC4328 need to be re-defined anyway. The new OTN label =
format should support the whole ODU sets, not only the ODU1, 2, and 3, =
but also ODU0, ODU4, even ODUFlex. The following three aspects should be =
considered carefully:

=20

1) The extensibility of the label format is the first thing we should =
consider. With the development of OTN technology, RFC4328 label format =
style needs to be extended to support the new bitrate ODU (eg. ODU5, =
6...). By the end, we may need keep extending the label formats. =
Managing lots of label format may cause big trouble, so we need one-shot =
label format for the evolving OTN. =20

=20

2) Scalability is another key issue. RFC4328 style format may result in =
big size of the total labels, which definitely increase the burden of =
the signaling. An efficient approach is needed to carry the same label =
information but with less amount of the data, bitmap style is the right =
way to go.

=20

3) For backward compatibility, if there are no implementations for =
RFC4328 (or if there are no deployments it is desirable to deprecate =
even if it is uncomfortable for existing implementations), it is very =
safe to deprecate the old definition, and an extensible, efficient and =
scalable solution could be helpful. The label defined in draft-zhang =
does not overwrite RFC4328, it can allow the old definition to continue =
to exist.

=20

Hope this can clarify your concern.

=20

Authors of draft-zhang

=20

=20

=20

	----- Original Message -----=20

	From: fu.xihua@zte.com.cn=20

	To: dbrungard@att.com ; lberger@labn.net ; zhangfatai@huawei.com ; =
diego.caviglia@ericsson.com ; daniele.ceccarelli@ericsson.com=20

	Cc: ccamp@ietf.org=20

	Sent: Tuesday, July 28, 2009 5:33 PM

	Subject: Discussion about the GMPLS Signaling Extension for Evolutive =
OTN

	=20

=09
	Hi Fatai and All,=20
=09
	We have presented the following two document  in the CCAMP morning =
session. But we have no more time to further discuss GMPLS extension for =
evolutive OTN=20
	draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol-otn-00.txt =
<http://tools.ietf.org/html/draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol=
-otn-00> =20
	draft-zhang-ccamp-gmpls-evolving-g709-01.txt =
<http://tools.ietf.org/html/draft-zhang-ccamp-gmpls-evolving-g709-01.txt>=
 =20
=09
	We have a couple of comments and questions for the draft-zhang.=20
	(1) draft-zhang defined the extensions including what has been done in =
RFC4328 (i.e., ODU1, ODU2 and ODU3).=20
	      draft-ceccarellifuxh defined new Gneralized Label only for new =
application (i.e., ODU0, 1.25G ODU1, 1.25G ODU2, 1.25G ODU3, ODU2e, =
ODU3e1, ODU3e2, ODUflex and ODU4).=20
	      draft-ceccarellifuxh is only a supplement of RFC4328.=20
	      How can we used RFC4328 and draft-zhang ?      =20
	      Any way, if we need to update an previous RFC, we should assume =
that it has been deployed, not asking if someone did or not.=20
=09
	(2) Do you really want to remove NMC from the Traffic Parameters?=20
	      If you do that, I think we have to abandon RFC4328.=20
=09
	(3) The compatibility consideration in draft-zhang.=20
	   We don't think the extensions in draft-zhang can coexist with =
RFC4328.=20
	   You point out "we can just do some translation or mapping in the new =
nodes".=20
	   But before the translation or mapping, you have to know the =
Generalized Label Format.  =20
	   We concern about:  =20
	   i)  How does one node know the Generalized Label format, especially =
for ODU1, ODU2 and ODU3 base on your solution?    =20
	        It may depend on the capability of the adjacent network =
element.=20
	   ii) But how can the control plane know the adjacent network =
element's capability without discovery mechanism?=20
	       You should know that GMPLS signaling extension should be =
independent on the discovery mechanism and the configuration of =
management plane.=20
	   iii) The control plane don't need to know the G.709(2003/03) or =
G.709 Amendment3 network element?=20
	     =20
	     In a word, we think it can not do the translation and  mapping. So =
we can not get the compatibility with RFC4328 in draft-zhang.=20
=09
	 (4) The Generalized Label in draft-zhang=20
	    - managing a variable length label could be a mess.=20
	    - draft-zhang uses a first part of the label which has fixed values =
and then a variable number of bit that is the bitmap.=20
	       The bitmap can be long from 0 to 80 bits depending on the signal =
type.=20
	    - the value of the bitmap is not independent but depends on the =
values of two previous fields (ODUk and ODUj) and becomes reserved in =
case of K=3DJ=20
	    - a bitmap label have not been used nor in SDH and not in WSON =
where a fixed label (4 bytes) is used.=20
=09
	Xihua Fu=20
	ZTE=20
=09
=09


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<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Dear Fatai and =
all,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p>=
</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>We agree on the =
major
points raised by Fatai as general issue to be solved in the context of
extension needed to cope with new containers defined in ITU=A0 q11 =
context, in
addition to handling ODU multiplexing scenarios in existing =
OTN.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>There are two =
basic
points that brings to the need to update the RFC4328 =
anyway.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p>=
</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>1) the present =
RFC does
not permit the link based negotiation =A0for time slot allocation . No
information about tributary port numbers is present and only in case we =
have &#8220;single
layer&#8221; , no multiplexing LO --&gt; HO you can apply . So this is a =
lack
against the original G.709 even without considering G.709 Am3 =
.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p>=
</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>2) Scalability: =
The
extension required in the context of new OTN with the introduction of =
ODU0, ODU4,
and above all ODUflex , required a real modifications of the structure =
of the
label to avoid real big size of number of labels to transmit offloading =
signalling
session. Extension based on RFC4328 logic do not scale when ODU-flex is =
used. Large
ODU flex containers will generate<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>an excessive =
number of
labels (in principle up to 80 per link) causing problems with the size =
of the
RSVP-TE message</span></font><font color=3Dnavy face=3DCalibri><span =
lang=3DEN-GB
style=3D'font-family:Calibri;color:navy'>.</span></font><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p>=
</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>This two points =
together
call to the need to change something in =
RFC.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Backward =
compatibility aspects,
present in all the drafts, are surely to be considered and if there are =
single
layer systems deployed using RFC4328 this should be =
grandfathered.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>=A0<o:p></o:p></s=
pan></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Best =
Regards<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p>=
</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Sergio<o:p></o:p>=
</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p>=
</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p>=
</span></font></p>

<div>

<p class=3DMsoAutoSig><font size=3D3 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;color:navy'>Sergio =
Belotti<o:p></o:p></span></font></p>

<p class=3DMsoAutoSig><font size=3D3 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;color:navy'><o:p>&nbsp;</o:p></span></font></p>=


<p class=3DMsoAutoSig><font size=3D3 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;color:navy'>CTO Optics =
Division<o:p></o:p></span></font></p>

<p class=3DMsoAutoSig><font size=3D3 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;color:navy'>Alcatel-Lucent<o:p></o:p></span></f=
ont></p>

<p class=3DMsoAutoSig><b><font size=3D3 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;color:navy;font-weight:bold'><o:p>&nbsp;</o:p><=
/span></font></b></p>

<p class=3DMsoAutoSig><b><font size=3D3 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;color:navy;font-weight:bold'>+39 039 =
6863033<o:p></o:p></span></font></b></p>

<p class=3DMsoAutoSig><b><font size=3D3 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;color:navy;font-weight:bold'>+39 039 =
6863590<o:p></o:p></span></font></b></p>

</div>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

<div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font =
size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>Da:</span></font></b><font size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'>
ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] <b><span
style=3D'font-weight:bold'>Per conto di </span></b>Fatai<br>
<b><span style=3D'font-weight:bold'>Inviato:</span></b> mercoled=EC 29 =
luglio 2009
18.33<br>
<b><span style=3D'font-weight:bold'>A:</span></b> fu.xihua@zte.com.cn;
dbrungard@att.com; lberger@labn.net; diego.caviglia@ericsson.com;
daniele.ceccarelli@ericsson.com; zhangguoying@mail.ritt.com.cn;
xuyunbin@mail.ritt.com.cn<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> ccamp@ietf.org<br>
<b><span style=3D'font-weight:bold'>Oggetto:</span></b> Re: [CCAMP] =
Discussion
about the GMPLS Signaling Extension forEvolutive =
OTN</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3DArial><span =
style=3D'font-size:12.0pt;
font-family:Arial'>Hi all,</span></font><font face=3DSimSun><span
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;</span></font><font face=3DSimSun><span =
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3DArial><span =
style=3D'font-size:12.0pt;
font-family:Arial'>To support the current verison of G.709, =
we&nbsp;think
the&nbsp;label format&nbsp;defined in&nbsp;RFC4328&nbsp;need to
be&nbsp;re-defined anyway.&nbsp;The&nbsp;new OTN label format should =
support
the&nbsp;whole ODU sets, not only the ODU1, 2, and 3,&nbsp;but =
also&nbsp;ODU0,
ODU4, even ODUFlex. The following three aspects should be considered =
carefully:</span></font><font
face=3DSimSun><span =
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;</span></font><font face=3DSimSun><span =
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3DArial><span =
style=3D'font-size:12.0pt;
font-family:Arial'>1) The extensibility of the label format is the first =
thing
we should consider.&nbsp;With the development of OTN =
technology,&nbsp;RFC4328
label format style&nbsp;needs to be extended to support the new bitrate =
ODU
(eg. ODU5, 6...). By the end, we may need keep extending the label =
formats.
Managing lots of label format&nbsp;may cause big trouble, so we need =
one-shot
label format for the evolving OTN.&nbsp;&nbsp;</span></font><font =
face=3DSimSun><span
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;</span></font><font face=3DSimSun><span =
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3DArial><span =
style=3D'font-size:12.0pt;
font-family:Arial'>2) Scalability is&nbsp;another key =
issue.&nbsp;RFC4328 style
format may result in big&nbsp;size&nbsp;of the total labels,
which&nbsp;definitely increase the burden of the signaling. An efficient
approach is needed to carry the same label information but with less =
amount of
the data, bitmap style is the right way to go.</span></font><font =
face=3DSimSun><span
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;</span></font><font face=3DSimSun><span =
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3DArial><span =
style=3D'font-size:12.0pt;
font-family:Arial'>3) For backward compatibility, if there are&nbsp;no
implementations for RFC4328 (or if there&nbsp;are no deployments it is
desirable to deprecate even if it is uncomfortable for existing
implementations), it is very safe to deprecate the old definition, and =
an
extensible, efficient and scalable solution could be helpful.&nbsp;The =
label
defined in&nbsp;draft-zhang&nbsp;does not overwrite RFC4328, it can =
allow the
old definition to continue to exist.</span></font><font =
face=3DSimSun><span
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;</span></font><font face=3DSimSun><span =
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3DArial><span =
style=3D'font-size:12.0pt;
font-family:Arial'>Hope this can clarify your =
concern.</span></font><font
face=3DSimSun><span =
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;</span></font><font face=3DSimSun><span =
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3DArial><span =
style=3D'font-size:12.0pt;
font-family:Arial'>Authors of draft-zhang</span></font><font =
face=3DSimSun><span
style=3D'font-family:SimSun'><o:p></o:p></span></font></p>

</div>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<blockquote style=3D'border:none;border-left:solid black =
1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'=
>

<div>

<p class=3DMsoNormal><font size=3D1 face=3DSimSun><span =
style=3D'font-size:9.0pt;
font-family:SimSun'>----- Original Message ----- =
<o:p></o:p></span></font></p>

</div>

<div style=3D'font-color:black'>

<p class=3DMsoNormal style=3D'background:#E4E4E4'><b><font size=3D1 =
face=3DSimSun><span
style=3D'font-size:9.0pt;font-family:SimSun;font-weight:bold'>From:</span=
></font></b><font
size=3D1 face=3DSimSun><span =
style=3D'font-size:9.0pt;font-family:SimSun'> <a
href=3D"mailto:fu.xihua@zte.com.cn" =
title=3D"fu.xihua@zte.com.cn">fu.xihua@zte.com.cn</a>
<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><b><font size=3D1 face=3DSimSun><span =
style=3D'font-size:9.0pt;
font-family:SimSun;font-weight:bold'>To:</span></font></b><font size=3D1
face=3DSimSun><span style=3D'font-size:9.0pt;font-family:SimSun'> <a
href=3D"mailto:dbrungard@att.com" =
title=3D"dbrungard@att.com">dbrungard@att.com</a>
; <a href=3D"mailto:lberger@labn.net" =
title=3D"lberger@labn.net">lberger@labn.net</a>
; <a href=3D"mailto:zhangfatai@huawei.com" =
title=3D"zhangfatai@huawei.com">zhangfatai@huawei.com</a>
; <a href=3D"mailto:diego.caviglia@ericsson.com"
title=3D"diego.caviglia@ericsson.com">diego.caviglia@ericsson.com</a> ; =
<a
href=3D"mailto:daniele.ceccarelli@ericsson.com"
title=3D"daniele.ceccarelli@ericsson.com">daniele.ceccarelli@ericsson.com=
</a> <o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><b><font size=3D1 face=3DSimSun><span =
style=3D'font-size:9.0pt;
font-family:SimSun;font-weight:bold'>Cc:</span></font></b><font size=3D1
face=3DSimSun><span style=3D'font-size:9.0pt;font-family:SimSun'> <a
href=3D"mailto:ccamp@ietf.org" =
title=3D"ccamp@ietf.org">ccamp@ietf.org</a> =
<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><b><font size=3D1 face=3DSimSun><span =
style=3D'font-size:9.0pt;
font-family:SimSun;font-weight:bold'>Sent:</span></font></b><font =
size=3D1
face=3DSimSun><span style=3D'font-size:9.0pt;font-family:SimSun'> =
Tuesday, July 28,
2009 5:33 PM<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><b><font size=3D1 face=3DSimSun><span =
style=3D'font-size:9.0pt;
font-family:SimSun;font-weight:bold'>Subject:</span></font></b><font =
size=3D1
face=3DSimSun><span style=3D'font-size:9.0pt;font-family:SimSun'> =
Discussion about
the GMPLS Signaling Extension for Evolutive =
OTN<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-bottom:12.0pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'><br>
</span></font><font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;
font-family:sans-serif'>Hi Fatai and All,</span></font> <br>
<br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>We
have presented the following two document &nbsp;in the CCAMP morning =
session.
But we have no more time to further discuss GMPLS extension for =
evolutive OTN</span></font>
<br>
<a
href=3D"http://tools.ietf.org/html/draft-ceccarellifuxh-ccamp-gmpls-ext-f=
or-evol-otn-00"><tt><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'>draft-ceccarellifuxh-ccamp-gmpls-ext-for-evol-=
otn-00.txt</span></font></tt></a>
<br>
<a
href=3D"http://tools.ietf.org/html/draft-zhang-ccamp-gmpls-evolving-g709-=
01.txt"><tt><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'>draft-zhang-ccamp-gmpls-evolving-g709-01.txt</=
span></font></tt></a>
<br>
<br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>We
have a couple of comments and questions for the =
draft-zhang.</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>(1)
draft-zhang defined the extensions including what has been done in =
RFC4328
(i.e., ODU1, ODU2 and ODU3). </span></font><br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp; draft-ceccarellifuxh defined new Gneralized Label only for =
new
application (i.e., ODU0, 1.25G ODU1, 1.25G ODU2, 1.25G ODU3, ODU2e, =
ODU3e1,
ODU3e2, ODUflex and ODU4). </span></font><br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp; draft-ceccarellifuxh is only a supplement of =
RFC4328.</span></font>
<br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp; How can we used RFC4328 and draft-zhang ? &nbsp; &nbsp; =
&nbsp; </span></font><br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp; Any way, if we need to update an previous RFC, we should =
assume
that it has been deployed, not asking if someone did or =
not.</span></font> <br>
<br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>(2)
Do you really want to remove NMC from the Traffic Parameters? =
</span></font><br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp; If you do that, I think we have to abandon RFC4328. =
</span></font><br>
<br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>(3)
The compatibility consideration in draft-zhang.</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp;We don't think the extensions in draft-zhang can coexist with =
RFC4328.</span></font>
<br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp;You point out &quot;we can just do some translation or mapping in =
the new
nodes&quot;. </span></font><br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp;But before the translation or mapping, you have to know the =
Generalized
Label Format. &nbsp;</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp;We concern about: &nbsp; </span></font><br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp;i) &nbsp;How does one node know the Generalized Label format, =
especially
for ODU1, ODU2 and ODU3 base on your solution? &nbsp; =
&nbsp;</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp; &nbsp; It may depend on the capability of the adjacent =
network
element.</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp;ii) But how can the control plane know the adjacent network =
element's
capability without discovery mechanism? </span></font><br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp; &nbsp;You should know that GMPLS signaling extension =
should be
independent on the discovery mechanism and the configuration of =
management
plane.</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp;iii) The control plane don't need to know the G.709(2003/03) or =
G.709
Amendment3 network element?</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp;</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp;In a word, we think it can not do the translation and =
&nbsp;mapping.
So we can not get the compatibility with RFC4328 in =
draft-zhang.</span></font> <br>
<br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;(4)
The Generalized Label in draft-zhang</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; - managing a variable length label could be a mess. =
</span></font><br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; - draft-zhang uses a first part of the label which has fixed =
values and
then a variable number of bit that is the bitmap. </span></font><br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; &nbsp; &nbsp;The bitmap can be long from 0 to 80 bits depending =
on the
signal type.</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; - the value of the bitmap is not independent but depends on the =
values
of two previous fields (ODUk and ODUj) and becomes reserved in case of =
K=3DJ</span></font>
<br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>&nbsp;
&nbsp; - a bitmap label have not been used nor in SDH and not in WSON =
where a
fixed label (4 bytes) is used.</span></font> <br>
<br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>Xihua
Fu</span></font> <br>
<font size=3D2 face=3Dsans-serif><span =
style=3D'font-size:10.0pt;font-family:sans-serif'>ZTE</span></font>
<br>
<br>
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From giomarti@cisco.com  Fri Jul 31 15:08:25 2009
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Subject: Re: [CCAMP] WSON Impairment scenarios -- control plane perspective...
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Hi Greg,

thx for the text, very useful. Few initial comments hoping discussion 
will continue with other contribution as well.

first a terminology consideration about opaque, Don't have a better 
suggestion right now but not sure the term usage.  "Opaque"  is the path 
validation procedure (if any) respect to the control plane? 


plus few others comments inline



Greg Bernstein wrote:
> Hi folks, there seemed to be some questions about where we could get 
> started with WSON impairments. On reviewing the Impairment Framework 
> draft, it seems like we've got a lot of bases covered but we aren't 
> explicit about one could get started dealing with optical impairments.
>
> Below is a short analysis with somewhat "loose" language. Some of this 
> could potentially be useful in a liaison to ITU-T Q6.
>
> Comments welcome.
>
> Greg B.
>
>
>   *Impairment Estimation Categories and the Control Plane*
>
>
>     Opaque WSON with respect to Impairments
>
> In this case we are given a list of qualified paths between a desired 
> source and destination of a connection. These paths may come with 
> wavelength restrictions due to impairments (not related to wavelength 
> availability in RWA process).
>
> We do not know anything about how these viable paths are computed. We 
> don't know and shouldn't care if the impairments are linear or non-linear.
>
> We are assured that if we select one of these paths and assign a 
> wavelength to it then the establishment of this connection will not 
> impact previously established connections in the network. 
>
> Example usage: a single vendor supplies WDM line systems and ROADMs. 
> We wish to use a GMPLS control plane and perhaps PCE based 
> optimization but not all paths through the network are viable due to 
> impairments.
>
> ITU-T Q6 implications: My guess it that the Q6 folks would not care 
> about this case since this doesn't really call for standardization of 
> impairment parameters or procedures.
>
> CCAMP implications: This seems like a very practical case for the 
> control plane. We would only want to standardize the way in which we 
> obtain the list of qualified paths. */No impairment information model 
> is needed here/*. An architecture reflecting this option is already in 
> the Impairment Framework draft.
>
Agree with all the above. The only point is that probably the fact of 
having a set of qualified path does not preclude the need of having 
impairment considerations as well (sort of mixed solutions).

I  mean, your text above does not preclude it but I want just to make 
the point clear.


>     Partially Opaque WSON
>
> In this case the impairment behavior of certain elements of the WSON 
> can be suitably modeled via standardized techniques, e.g., G.680 while 
> other parts of the WSON are not. The entity responsible for these 
> other parts of the WSON imports the characteristics of these "open" 
> elements and uses them as part of a viable path computation process, 
> the details of which are opaque to the control plane.
>
> We are assured that if we select one of these paths and assign a 
> wavelength to it then the establishment of this connection will not 
> impact previously established connections in the network.
>
I would apply here the same as below "this is beyond a purview of a 
standard organization to specify".

> Example usage: The characteristics of the WDM line systems are not 
> specified, but well characterized ROADMs are used in the WSON. The WDM 
> line system vendor uses these characteristics in its 
> internal/proprietary viable path computations.
>
> Q6 and CCAMP implications: here we would be using a standardize 
> information model for the "open" WSON network elements. How the other 
> "opaque" network elements are characterized and how viable path 
> computation is carried out is out of scope of either SDO. Such an 
> approach takes advantage of standardized impairment models where it can.
>
just to clarify "standardized impairment model", are you referring to 
G.680 or something else?


> Implications for CCAMP would be an impairment information model and an 
> interface for requesting/receiving qualified paths. An architecture 
> that can support this case is already contained in the WSON impairment 
> framework draft.
>
>
>     Linearly Approximated Open WSON Impairment Model
>
> In this case the impairment aspects of the WSON can be well 
> approximated by standardized (or to be standardized) "linear" models 
> such as those found in G.680. From these models the viability of paths 
> can be evaluated.
>
> We are assured that if we select one of these paths and assign a 
> wavelength to it then the establishment of this connection will not 
> impact previously established connections in the network. 
>
> Implications for Q6: Current impairment models such as recent version 
> of G.680 do not include models for WDM line systems.
>
why this? Isn't a line system a  de-generated case of an ROADM  (1 
ingress, 1  egress)?

thx
G

> Implications for CCAMP: An impairment information model is needed. 
> Distributed impairment validation (via signaling) could be possible.
>
> General comments: it would seem to be the responsibility of the WSON 
> network designer to insure that the network is operating in a "region" 
> where these linear approximations for impairments are valid. This 
> seems beyond the purview of a standards organization to specify.
>
> An architecture to accommodate this case is contained in the WSON 
> impairment framework draft.
>
>
> -- 
> ===================================================
> Dr Greg Bernstein, Grotto Networking (510) 573-2237
>
>   
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