Re: [Isis-wg] I-D Action:draft-ietf-isis-layer2-05.txt

[Hasmit Grover <[e-mail]>]

Donald,

As per draft-ietf-isis-layer it's intent is to capture the IS-IS extensions used by protocols running over L2. Like other protocols mentioned in the draft, OTV is also an L2 protocol which is using some of the TLVs mentioned in the draft. It is really important that all the IS-IS TLV codepoints are captured in a single document so that different implementations can inter-op with each other. 

-Hasmit

On May 4, 2010, at 7:11 PM, Fedyk, Donald (Don) wrote:

> Hi Dhananjaya
> 
> It is rather unprecedented to have material published in a WG document before it is in an individual draft and there is a consensus to add it. 
> 
> So for the changes for OTV they really should go in an individual draft and be discussed on their own merits.  
> 
> Do you and your authors agree? 
> 
> Don 
> 
> 
> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]] On Behalf Of Dhananjaya Rao (dhrao)
> Sent: Tuesday, May 04, 2010 6:45 PM
> To: [e-mail]
> Subject: Re: [Isis-wg] I-D Action:draft-ietf-isis-layer2-05.txt
> 
> 
> 
> Hi folks,
> 
> We're just catching up on the discussions on the mailing list regarding the L2 IS-IS draft-ietf-isis-layer2-04.txt. As the authors of OTV, we'd like to clarify any doubts or concerns regarding the extensions used by OTV.
> 
> Briefly, OTV uses the L2 IS-IS extensions being defined to provide a solution for interconnecting datacenter networks. An I-D describing the solution has been recently published at http://tools.ietf.org/html/draft-hasmit-otv-00.
> 
> OTV shares along with TRILL/802.1aq several of the PDU/TLVs that have been defined in this draft. There are of course a few additional sub-TLVs defined specifically for OTV:
> 
> - A couple of hello extensions to advertise L2 site membership and
>  capabilities.
> - A group membership sub-TLV to advertise multicast source information.
> 
> The solution is already being deployed in several enterprise networks and a final product with this solution is shipping soon. Given the multiple technologies using L2 IS-IS, we'd like to ensure the extensions and codepoints are published in a common document to aid interoperable implementations.
> 
> Please let us know if you have any questions.
> 
> Thanks,
> -Dhananjaya (for the authors)
> 
> 
>> 
>> A New Internet-Draft is available from the on-line Internet-Drafts 
>> directories.
>> This draft is a work item of the IS-IS for IP Internets Working Group 
>> of the IETF.
>> 
>> 
>> 	Title           : Extensions to IS-IS for Layer-2 Systems
>> 	Author(s)       : A. Banerjee, et al.
>> 	Filename        : draft-ietf-isis-layer2-05.txt
>> 	Pages           : 60
>> 	Date            : 2010-04-30
>> 
>> This document specifies the IS-IS extensions necessary to support 
>> multi-link IPv4 and IPv6 networks, as well as to provide true link 
>> state routing to any protocols running directly over layer 2.  While 
>> supporting this concept involves several pieces, this document only 
>> describes extensions to IS-IS.  We leave it to the systems using these 
>> IS-IS extensions to explain how the information carried in IS-IS is 
>> used.
>> 
>> A URL for this Internet-Draft is:
>> http://www.ietf.org/internet-drafts/draft-ietf-isis-layer2-05.txt
>> 
>> Internet-Drafts are also available by anonymous FTP at:
>> ftp://ftp.ietf.org/internet-drafts/
>> 
>> Below is the data which will enable a MIME compliant mail reader 
>> implementation to automatically retrieve the ASCII version of the 
>> Internet-Draft.
>> 
>> <ftp://ftp.ietf.org/internet-drafts/draft-ietf-isis-layer2-05.txt>
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