Re: 6LSA IETF Drafts

Brian E Carpenter <brc@zurich.ibm.com> Tue, 03 May 2005 10:31 UTC

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Date: Tue, 03 May 2005 12:31:38 +0200
From: Brian E Carpenter <brc@zurich.ibm.com>
Organization: IBM
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To: Adrian Farrel <adrian@olddog.co.uk>
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Cc: ipv6@ietf.org, rtgwg@ietf.org
Subject: Re: 6LSA IETF Drafts
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Adrian,

There is one important difference, which is that the M in MPLS
stands for multiprotocol. A label switched architecture for
one particular network layer protocol is not the same as
a multiprotocol architecture.

    Brian

Adrian Farrel wrote:
> Jim,
> 
> Thanks for the heads-up.
> 
> Please ensure that any BOF you hold does not conflict with either the MPLS
> or CCAMP working group meetins. I predict that many people will wish to
> attend all three meetings.
> 
> After a preliminary reading of draft-chakravorty-6lsa-01.txt it seems to
> me that what you are suggesting has massive overlap with MPLS and GMPLS.
> That you are proposing a form of layer 3 switching which is not part of
> MPLS or GMPLS (but which has been suggested at several previous IETF
> meetings) is a fairly minor fact since the data plane operation of
> swapping and switching is unchanged. That is, you are proposing a new form
> of labeling.
> 
> The bigger difference comes in how the labels are distributed, and in this
> context, one might ask what is wrong with existing label distribution
> schemes.
> 
> But clearly I need to read in more detail.
> 
> Cheers,
> Adrian
> 
> ----- Original Message ----- 
> From: "Bound, Jim" <jim.bound@hp.com>
> To: <ipv6@ietf.org>
> Cc: <rtgwg@ietf.org>
> Sent: Sunday, February 27, 2005 7:34 PM
> Subject: 6LSA IETF Drafts
> 
> 
> Folks,
> 
> See below draft and two attached that will be available after the IETF.
> It provides a solution for IPv6 Label Switch Architecture that does not
> compete with MPLS or QOS work in progress in the industry at ITU, etc.
> 
> http://ietf.org/internet-drafts/draft-chakravorty-6lsa-01.txt
> 
> If some of you would do me a favor and review and send comments to Sham
> Chakravorty schakra@mitre.org, Jim.Bound@nav6tf.org, and Kevin Zhang
> kzhang@mitre.org I would appreciate it.  We will have a BOF most likely
> on 6LSA at the Paris meeting to see if this would be its own working
> group.  We will set up industry list for technical persons to work on it
> until then if we get enough responses. I am pretty sure we should do
> this here in the IETF not go to the ITU.  Also we will be at the
> Minneapolis IETF so if you have in person comments that is appreciate
> too.
> 
> Thanks
> /jim
> 
> 
> 
> 
> 
> 
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> 
> 
> 
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