> On October 10, 2011, the IESG issued a last call for comments regarding > draft-weil-shared-transition-space-request-09 (IANA Reserved IPv4 Prefix for > Shared CGN Space). While the community did not display consensus supporting > the draft, it also did not display consensus against the draft. Therefore, I > will submit the draft to the full IESG for its consideration at its December > 1 teleconference. The draft will be published as a BCP if a sufficient number > of IESG members ballot "Yes" or "No Objection", and if no IESG member ballots > "Discuss". If I recall correctly from my days on the IESG, a "sufficient number" of IESG members with a "Yes" for document advancement is exactly one. Often, that is the AD bringing the document forward to the IESG. The shepherding AD is saying, "Yes" I have read this document, seen a sufficient level of support in the IETF for it, etc. Sometimes, other ADs jump on board with their own "Yes", but it's not required.
Ron, if I read this email from you correctly, you are saying that you have not seen that level of consensus yourself, yet you are bringing the document forward to the IESG to weigh advancement anyway. The process is flexible enough to allow that and I'm not questioning this action alone, but I do think it would be a good idea for you to not put in your own "Yes" for the document in this case. This raises the bar ever so slightly for advancement, forcing the IESG deliberations to convince at least one AD to stand behind what is being done with a "Yes" vs. a "No Objection". - Mark > > Because the decision to submit this draft to the full IESG is controversial, > I will explain the decision making process. > > The IETF has a precedent for interpreting silence as consent. Typically, if a > last call elicits no response, the draft is brought to the full IESG for > consideration. The October 10 last call regarding > draft-weil-shared-transition-space-request-09 evoked only two responses. One > response supported publication of the draft while the other was opposed to > it. The respondent voicing support for the draft offered no rationale. The > respondent objecting offered many editorial comments, but almost no rationale > for blocking the draft once the editorial comments are addressed. > > Because the October 10 last call elicited so little response, and because > many community members have privately expressed strong opinions regarding > this draft, I will summarize outstanding issues below. The following are > arguments *against* draft-weil-shared-transition-space-request: > > - Allocation of a special-use /10 does not hasten the deployment of IPv6. It > only extends the life of the IPv4 network. > - If a special-use /10 is allocated, it will be used as additional RFC 1918 > address space, despite a specific prohibition against such use stated by the > draft. > - If a special-use /10 is allocated, it will encourage others to request > still more special-use address space. > - Some applications will break. These applications share the characteristic > of assuming that an interface is globally reachable if it is numbered by an > non-RFC 1918 address. To date, the only application that has been identified > as breaking is 6to4, but others may be identified in the future. > > Arguments *supporting* draft-weil-shared-transition-space-request-09 assume > that operators will deploy CGNs and will number the interfaces between CGN > and CPE. If the /10 proposed by draft-weil-shared-transition-space-request is > not allocated, operators will number from one of the following: > > - public address space > - RFC 1918 address space > - squat space > > If operators number from public address space, they will deplete an already > scarce resource. If operators number from RFC 1918 space and the same RFC > 1918 space is used on the customer premise, some CPE will behave badly. The > consequences of numbering from squat space are determined by the squat space > that is chosen. > > In summary, allocation of the /10 will have certain adverse effects upon the > community. However, failure to allocate the /10 will have different adverse > effects on the community. The IESG is being asked to choose the lesser of two > evils. > > > -------------------------- > Ron Bonica > vcard: www.bonica.org/ron/ronbonica.vcf
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