Re: [dhcwg] Question on relay agent behavior in DHCPv6 prefix delegation

Le 03/02/2014 19:10, Templin, Fred L a écrit :
> Hi Andre,
>
>> -----Original Message-----
>> From: Andre Kostur [mailto:akostur@incognito.com]
>> Sent: Monday, February 03, 2014 9:36 AM
>> To: Templin, Fred L
>> Cc: dhcwg@ietf.org WG
>> Subject: Re: [dhcwg] Question on relay agent behavior in DHCPv6 prefix delegation
>>
>> The RFC doesn't get into details since it may not even be the
>> delegating router doing the route updates.   As an example, in a cable
>> network, it may be the CMTS (who plays the role of Relay Agent from
>> DHCPv6's perspective) who is snooping the PD traffic and may emit the
>> appropriate routing updates into the network (using some other
>> standard dynamic routing protocol such as OSPF).
>
> Thanks for this. So, it seems that the RFC3633 DHCPv6 relays (and maybe
> also servers) can snoop the PD exchanges and update the routing system
> via some unspecified means. But, are there any more recent publications
> that have either attempted or succeeded in specifying a standard method?

Solutions (like 'snooping') to the problem have been explored in a 
number of documents at IETF and others.

I with co-authors have attempted to formulate it as a problem in October 
2014, and analyzed some solutions
"Route Problem at Relay during DHCPv6 Prefix Delegation"
draft-petrescu-relay-route-pd-problem-00.txt

Alex

>
> Thanks - Fred
> fred.l.templin@boeing.com
>
>> On Mon, Feb 3, 2014 at 8:49 AM, Templin, Fred L
>> <Fred.L.Templin@boeing.com> wrote:
>>> Hi, RFC3633 says:
>>>
>>> "14.  Relay agent behavior
>>>
>>>     A relay agent forwards messages containing Prefix Delegation options
>>>     in the same way as described in section 20, "Relay Agent Behavior" of
>>>     RFC 3315.
>>>
>>>     If a delegating router communicates with a requesting router through
>>>     a relay agent, the delegating router may need a protocol or other
>>>     out-of-band communication to add routing information for delegated
>>>     prefixes into the provider edge router."
>>>
>>> My question is, since the publication of RFC3633 has there been a
>>> new RFC published that specifies "a protocol or other out-of-band
>>> communication to add routing information"?
>>>
>>> Thanks - Fred
>>> fred.l.templin@boeing.com
>>>
>>> _______________________________________________
>>> dhcwg mailing list
>>> dhcwg@ietf.org
>>> https://www.ietf.org/mailman/listinfo/dhcwg
>>
>>
>>
>> --
>> Andre Kostur
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