Re: Additional Documentation Prefixes (was Re: AD Evaluation : draft-ietf-6man-ra-pref64-06)
Michael Richardson <mcr+ietf@sandelman.ca> Sun, 03 November 2019 17:18 UTC
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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Suresh Krishnan <Suresh@kaloom.com>
cc: Lorenzo Colitti <lorenzo@google.com>, IETF IPv6 Mailing List <ipv6@ietf.org>
Subject: Re: Additional Documentation Prefixes (was Re: AD Evaluation : draft-ietf-6man-ra-pref64-06)
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Date: Sun, 03 Nov 2019 12:18:27 -0500
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Suresh Krishnan <Suresh@kaloom.com> wrote: >> I agree with you. >> >>> Is there a larger documentation prefix than 192.0.2.0/24? >> >> I wish that there was. > Me too. I also think a larger prefix could be useful. Similarly a block > that would differentiate it as an example of private space to be used. >> Maybe we could carve out of class E space as a /20 of documentation space. > Sounds like a plan. If you write something up, I would be willing to AD > sponsor something like this. The biggest issue with repurposing E space > was that it would hit a lot of bogon filters. In this case that is a > desirable feature. Okay, I will write something if there is further support. Should it update or replace RFC5737? >> I'd also like to have three or four additional IPv6 documentation prefixes, >> plus some documentation space from ULA-R and ULA-C. > What is ULA-R? Did you mean ULA-L? If so, it would be a pain to reserve > something now since we also need to update RFC4193 to make sure that > the Random “Global ID”s will not collide with the reserved prefixes. If > ULA-C does take off, this would be a good idea to do something like > this. I guess L=1 is why you call it ULA-L. I have known it as ULA-Random. We are both talking about RFC4193 though. So such a document would need to update RFC4193. >> I'd like the IPv6 documentation prefixes to have a pretty high Hamming >> Distance from each other to maximize the visual distinction. > We have a /32 for this. Plenty of ways to be visually distinct > including some of the common ones I have used :-) > 2001:db8:abba::/48 > 2001:db8:beef::/48 > 2001:db8:cafe::/48 > 2001:db8:dead::/48 > 2001:db8:face::/48 > 2001:db8:c001::/48 I'm not sure that I agree. I don't see why we need to be so stingy about Documentation Prefixes in IPv6. Using part of 3ffe::/16 would appeal to me. -- Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works -= IPv6 IoT consulting =-
- AD Evaluation : draft-ietf-6man-ra-pref64-06 Suresh Krishnan
- Re: AD Evaluation : draft-ietf-6man-ra-pref64-06 Lorenzo Colitti
- Re: AD Evaluation : draft-ietf-6man-ra-pref64-06 Suresh Krishnan
- Re: AD Evaluation : draft-ietf-6man-ra-pref64-06 Ted Lemon
- Re: AD Evaluation : draft-ietf-6man-ra-pref64-06 Lorenzo Colitti
- Re: AD Evaluation : draft-ietf-6man-ra-pref64-06 Lorenzo Colitti
- Re: AD Evaluation : draft-ietf-6man-ra-pref64-06 Michael Richardson
- Additional Documentation Prefixes (was Re: AD Eva… Suresh Krishnan
- Re: Additional Documentation Prefixes (was Re: AD… Michael Richardson
- Re: Additional Documentation Prefixes (was Re: AD… Brian E Carpenter
- Re: Additional Documentation Prefixes (was Re: AD… Job Snijders
- Re: AD Evaluation : draft-ietf-6man-ra-pref64-06 Jen Linkova
- Re: Additional Documentation Prefixes (was Re: AD… Mark Smith
- Re: Additional Documentation Prefixes (was Re: AD… Brian E Carpenter
- Re: Additional Documentation Prefixes (was Re: AD… Michael Richardson
- Re: Additional Documentation Prefixes (was Re: AD… Suresh Krishnan
- Re: Additional Documentation Prefixes (was Re: AD… Mark Smith
- Re: Additional Documentation Prefixes (was Re: AD… Suresh Krishnan
- Re: Additional Documentation Prefixes (was Re: AD… Suresh Krishnan
- Re: Additional Documentation Prefixes (was Re: AD… Suresh Krishnan
- Re: AD Evaluation : draft-ietf-6man-ra-pref64-06 Suresh Krishnan
- Re: AD Evaluation : draft-ietf-6man-ra-pref64-06 Jen Linkova
- Re: Additional Documentation Prefixes (was Re: AD… Jen Linkova
- Re: [Ext] Re: AD Evaluation : draft-ietf-6man-ra-… Leo Vegoda