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Re: [spring] Spirit and Letter of the Law (was: Question about SRv6 Insert function)

Fernando Gont <fgont@si6networks.com> Thu, 05 September 2019 19:00 UTC

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To: Robert Raszuk <robert@raszuk.net>, Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org>
Cc: Robert Raszuk <rraszuk@gmail.com>, Suresh Krishnan <suresh.krishnan@gmail.com>, "6man@ietf.org" <6man@ietf.org>, Ole Troan <otroan@employees.org>, "spring@ietf.org" <spring@ietf.org>, "Joel M. Halpern" <jmh@joelhalpern.com>
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From: Fernando Gont <fgont@si6networks.com>
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Date: Thu, 05 Sep 2019 21:36:43 +0300
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Subject: Re: [spring] Spirit and Letter of the Law (was: Question about SRv6 Insert function)
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On 5/9/19 21:00, Robert Raszuk wrote:

>   * According to RFC 8200, segment endpoints can insert, change, or
>     delete extension headers. However, transit nodes that are not
>     segment nodes cannot insert, change or delete extension headers

Seriously?

The text in RFC8200 is there with respect to any intermmediate box.
segment endpoints, unless they encapsulate the packet in a new outer
packet, are still intermmediate systems.

Thanks,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492

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