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Re: [mpls] Regarding adopting draft-song-mpls-extension-header - do we need post stack data?

Stewart Bryant <stewart.bryant@gmail.com> Wed, 22 February 2023 18:04 UTC

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From: Stewart Bryant <stewart.bryant@gmail.com>
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Date: Wed, 22 Feb 2023 18:04:17 +0000
In-Reply-To: <8004af49-cb42-0fca-a996-30ff5c97bcdc@joelhalpern.com>
Cc: Stewart Bryant <stewart.bryant@gmail.com>, Tianran Zhou <zhoutianran@huawei.com>, mpls <mpls@ietf.org>
To: Joel Halpern <jmh@joelhalpern.com>
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Subject: Re: [mpls] Regarding adopting draft-song-mpls-extension-header - do we need post stack data?
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> On 21 Feb 2023, at 13:06, Joel Halpern <jmh@joelhalpern.com> wrote:
> 
> One one level, simply the need to go find the post stack data is a complication.
> 
> 

Finding BoS is not a complication for most LSRs as they do this at the moment.

If you recall at the very start of the project I proposed a method in which the LSE pointed to the PSD that was associated with it*. I still think that this is more in keeping with the MPLS design philosophy than the IPv6 extension header design proposed in draft-song.

- Stewart


*IPR alert - I did file a patent on this on behalf of my employer of the time.

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