Re: [dhcwg] I-D Action: draft-ietf-dhc-dhcpv6-client-link-layer-addr-opt-00.txt

> While I could see some situations where going further might be useful, I
could only see it working in a managed environment (eg ISP supplied
routers, I'm thinking something similar to ISP supplied cable modems).

Consider the case where both the delegating and requesting router are
within an enterprise network, not the current use of PD with home routers.
 In this case, the downstream interfaces are indeed interesting to the
delegating router.

On Thu, Jul 12, 2012 at 10:00 AM, Simon Hobson <linux@thehobsons.co.uk>wrote:

> perl-list wrote:
>
>  Okay, consider prefix-delegation, for example. ...
>>>
>>
>  What you say in theory is interesting and could pose a problem.  In
>> practice, however, it seems that prefix delegation and WAN configuration
>> happen simultaneously in the same exchange within the same packet.  Also,
>> as this draft is intended to help correlation between DHCPv4 and DHCPv6
>> using the (hardware / link layer / MAC - whatever we are calling it these
>> days) address, your argument about downstream interfaces that would not be
>> known in DHCPv4 space is irrelevant.
>>
>
> I agree, and what's more I can't really see how it's an upstream server's
> job to configure downstream interfaces on a router. In the general case
> where PD is likely, it's going to be an ISP delivering a prefix to a
> customer's router - what the customer wants to do with that isn't really
> anything to do with the ISP.
> All the ISP needs to do is a) configure the customer's WAN, and b) provide
> them with a PD.
>
> While I could see some situations where going further might be useful, I
> could only see it working in a managed environment (eg ISP supplied
> routers, I'm thinking something similar to ISP supplied cable modems). I'd
> see that sort of situation managed by 'private' extensions/options which
> could be agreed between the client and server - possibly as an industry
> segment standard vendor option space.
>
>
> I'm inclined to agree with Ted - keep it simple so it can actually get
> passed !
>
>
> --
> Simon Hobson
>
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