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Re: [spring] I-D Action: draft-ietf-spring-segment-routing-policy-06.txt

Mark Smith <markzzzsmith@gmail.com> Mon, 16 December 2019 01:06 UTC

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From: Mark Smith <markzzzsmith@gmail.com>
Date: Mon, 16 Dec 2019 12:05:37 +1100
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Subject: Re: [spring] I-D Action: draft-ietf-spring-segment-routing-policy-06.txt
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"The endpoint indicates the destination of the policy.  The endpoint
   is specified as an IPv4 or IPv6 address and is expected to be unique
   in the domain.  In a specific case (refer to Section 8.8.1), the
   endpoint can be the null address (0.0.0.0 for IPv4, ::0 for IPv6)."

Per Internet Standard 3 / RFC 1122, 0.0.0.0 is an illegal IPv4
destination address.*

Per RFC 4291, ::0 is an illegal IPv6 destination address.


Regards,
Mark.


*People doing tricky things with 0.0.0.0 has cost me and a past
employer 2 weeks of needless troubleshooting, delaying a
product/service launch.

http://lists.ausnog.net/pipermail/ausnog/2017-July/039402.html


On Mon, 16 Dec 2019 at 11:08, <internet-drafts@ietf.org> wrote:
>
>
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Source Packet Routing in Networking WG of the IETF.
>
>         Title           : Segment Routing Policy Architecture
>         Authors         : Clarence Filsfils
>                           Siva Sivabalan
>                           Daniel Voyer
>                           Alex Bogdanov
>                           Paul Mattes
>         Filename        : draft-ietf-spring-segment-routing-policy-06.txt
>         Pages           : 35
>         Date            : 2019-12-15
>
> Abstract:
>    Segment Routing (SR) allows a headend node to steer a packet flow
>    along any path.  Intermediate per-flow states are eliminated thanks
>    to source routing.  The headend node steers a flow into an SR Policy.
>    The header of a packet steered in an SR Policy is augmented with an
>    ordered list of segments associated with that SR Policy.  This
>    document details the concepts of SR Policy and steering into an SR
>    Policy.
>
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-policy/
>
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-spring-segment-routing-policy-06
> https://datatracker.ietf.org/doc/html/draft-ietf-spring-segment-routing-policy-06
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-spring-segment-routing-policy-06
>
>
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
> _______________________________________________
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> spring@ietf.org
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