>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 <[email protected]>
>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
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