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Re: I-D Action: draft-voyer-6man-extension-header-insertion-02.txt

Tom Herbert <tom@herbertland.com> Sat, 02 December 2017 20:26 UTC

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From: Tom Herbert <tom@herbertland.com>
Date: Sat, 02 Dec 2017 12:26:15 -0800
Message-ID: <CALx6S3493s8tKBGQknAgUU1YJMev8GRV_2Wq1p18KtU1sEY0MA@mail.gmail.com>
Subject: Re: I-D Action: draft-voyer-6man-extension-header-insertion-02.txt
To: Robert Raszuk <robert@raszuk.net>
Cc: Stefano Salsano <stefano.salsano@uniroma2.it>, Mark Smith <markzzzsmith@gmail.com>, draft-voyer-6man-extension-header-insertion@ietf.org, 6man WG <ipv6@ietf.org>
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On Sat, Dec 2, 2017 at 11:53 AM, Robert Raszuk <robert@raszuk.net> wrote:
>> Right, the idea is that at each node the input flow label and dst map
>> to an output flow label. All the flow label tables are constructed to
>> provide give loop free forwarding and multipath selection.
>
>
> That's essentially SR-MPLS :)
>
>> SRH would be unneeded in this solution.
>
>
> True - but I was just counting in general node's forwarding capabilites.
>
Do you expect segment routing to be in a general node's forwarding
capabilities? All the past history seems to indicate that vendors
don't want to do extension header processing in any fast path.

> I think the less moving parts we standardize the better :)
>
Or more generally, the less moving parts we use the better :-)

Tom

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