Re: [spring] “SRV6+” complexity in forwarding

Robert Raszuk <rraszuk@gmail.com> Thu, 19 September 2019 15:30 UTC

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From: Robert Raszuk <rraszuk@gmail.com>
Date: Thu, 19 Sep 2019 17:30:11 +0200
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To: Srihari Sangli <ssangli=40juniper.net@dmarc.ietf.org>
Cc: Ron Bonica <rbonica@juniper.net>, Rob Shakir <robjs@google.com>, SPRING WG <spring@ietf.org>, 6man <6man@ietf.org>, Dirk Steinberg <dirk@lapishills.com>, "xiechf@chinatelecom.cn" <xiechf@chinatelecom.cn>, Tarek Saad <tsaad.net@gmail.com>
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Subject: Re: [spring] “SRV6+” complexity in forwarding
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> I disagree. PPSI and PSSI leverages the DOHs in IPv6 architecture better.
> The SRv6+ drafts explain the usecases better FYI.
>

Well the crux of the matter is that you still need to process all EHs at
each IPv6 destination which here means each transit node per RFC8200. That
is regardless what any other spec says ... unfortunately.

Best,
R.