Re: [spring] Beyond SRv6.

Ron Bonica <rbonica@juniper.net> Sun, 01 September 2019 21:47 UTC

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From: Ron Bonica <rbonica@juniper.net>
To: Robert Raszuk <robert@raszuk.net>, Nick Hilliard <nick@foobar.org>
CC: Rob Shakir <robjs@google.com>, Fernando Gont <fgont@si6networks.com>, SPRING WG List <spring@ietf.org>, "6man@ietf.org" <6man@ietf.org>
Thread-Topic: [spring] Beyond SRv6.
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Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/iknj4-0VS9bXVBxPy-U-1_DiNjw>
Subject: Re: [spring] Beyond SRv6.
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Robert,

Please see https://mailarchive.ietf.org/arch/browse/spring/?gbt=1&index=BPXFbv5drFqv7k7nPIN3SDuifo0.

                        Ron

From: Robert Raszuk <robert@raszuk.net>
Sent: Sunday, September 1, 2019 5:39 PM
To: Nick Hilliard <nick@foobar.org>
Cc: Ron Bonica <rbonica@juniper.net>; Rob Shakir <robjs@google.com>; Fernando Gont <fgont@si6networks.com>; SPRING WG List <spring@ietf.org>; 6man@ietf.org
Subject: Re: [spring] Beyond SRv6.

Nick,

How about using ULAs as defined in RFC4193 ?

After all isn't local IPv6 FC00::/7 address block defined precisely for such private use cases like the one which uSID requires?

Clearly RIRs will not allocate /22 blocks left and right and that v6 prefix would be required if I have 1000 node network and my uSID is /32.

Thx,
R.


On Sun, Sep 1, 2019 at 11:33 PM Nick Hilliard <nick@foobar.org<mailto:nick@foobar.org>> wrote:
Ron Bonica wrote on 01/09/2019 22:10:
> -https://tools.ietf.org/html/draft-filsfils-spring-net-pgm-extension-srv6-usid-02<https://urldefense.proofpoint.com/v2/url?u=https-3A__tools.ietf.org_html_draft-2Dfilsfils-2Dspring-2Dnet-2Dpgm-2Dextension-2Dsrv6-2Dusid-2D02&d=DwMFaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=Fch9FQ82sir-BoLx84hKuKwl-AWF2EfpHcAwrDThKP8&m=7I4t7LyLvwwPPgSsY1oWMfea5dTE2YbuJyBi-ITbgp0&s=HaZUtfUO-zFP__49jfNHxb_YdFd2EZVxbt9q3Jbztuc&e=>

Ron,

if this draft proposes using up to /32 per router in a SRv6 domain, or
even /40 to /48, it may be appropriate to solicit input from RIR address
policy groups about the impact this may have on ipv6 assignment /
allocation policies.

Nick

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