Iljitsch van Beijnum wrote:
On 12-okt-2007, at 15:13, Mark Townsley wrote:
Especially because a DHCP solution would impose considerable issues
on the end-user side.
Now this is getting closer to what the DSL Forum is asking us. What
kind of issues do you envision here?
See my earlier messages. Basically:
Perhaps others can answer better, but let me try.
- what happens with IPv6 with and without IPv4, with and without DHCPv6
Work definitely needs to be done in the DHCP IDs on IPv6. I imagine this
is coming soon. As for the grander picture of when and where DHCPv6 is
and is not used in DSL, sad to say but there is no DSL Forum document I
am aware of that captures this, nor is there industry consensus on
exactly how it is to be done yet (for DSL), so it's hard to answer that
question. This is something I am personally going to be pushing for the
DSL Forum to do very soon, I hope that they are receptive.
- deployment issues because DHCP is implemented deep inside OSes
Implementation folks familiar with client code I have talked to have
said that this is not insurmountable. On the BNG side, the servers are
pretty well used to a call to RADIUS between the Discover and Offer.
- how does a host know when to present which credentials
I imagine by configuration (along with the username/password which would
likely accompany such config). Much like a PPPoE interface today.
- Mark
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