>From: Alexandru Petrescu <[EMAIL PROTECTED]> >Date: 2006/07/28 Fri AM 10:34:22 CDT >To: [EMAIL PROTECTED] >Cc: "Templin, Fred L" <[EMAIL PROTECTED]>, Iljitsch van Beijnum <[EMAIL PROTECTED]>, IETF IPv6 Mailing List <ipv6@ietf.org> >Subject: Re: IPv6 PD
>[EMAIL PROTECTED] wrote: >> Hi Fred/all, >> >> The former subject line became far too unwieldy, and the subject of IPv6 >> referred to in the attached exchange is of interest. >> >> IPv6 PD is between two routers, not a router and an end host. Using ISP >> parlance, the delegating router is the ISP PE (delegating) router and the >> requesting router is the CE router. >> >> The abstract of RFC 3769 which defines the IPv6 PD requirements says: "This >> document describes requirements for how IPv6 address prefixes >> should be delegated to an IPv6 subscriber's network (or "site")." Section 1 >> echoes this point. It's logical to infer from Section 4 that the CPE is the >> requesting router (not host): "A rogue PE can issue bogus prefixes to a >> requesting router." >> >> Given the way RFC 3633 is written, there is reason to pre-suppose that the >> client will behave as a router. In DHCPv6 PD, the ISP router that serves as >> the DHCPv6 server is the delegating router. The CPE that serves as the >> DHCPv6 client is the requesting router (Section 3). Section 5.1 illustrates >> an example architecture wherein this is shown. The point is also made that >> the requesting router subnets whatever prefixes are delegated to it and >> assigns those longer prefixes to links within the subscriber network. >> >> a. There has neither ever been nor is there now a standard defining ICMPv6 >> PD. There are however at least three expired drafts (of which I am aware) on >> the subject: >> i) draft-haberman-ipngwg-auto-prefix-02.txt >> ii) draft-bykim-ipv6-hpd-01.txt >> iii) draft-arunt-prefix-delegation-using-icmpv6-00.txt > >Doing it with Mobile IPv6: >draft-ietf-nemo-prefix-delegation-00 August 2005. This draft is expired. Are there any plans for reviving/resubmitting it? > >Alex -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------