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Re: IPv6 RA vs DHCPv6 - The chosen one?
From: Michael Sinatra <michael () rancid berkeley edu>
Date: Wed, 21 Dec 2011 15:04:58 -0800

On 12/21/11 12:40, Ray Soucy wrote:
I'm afraid you're about 10 years too late for this opinion to make
much difference. ;-)

We have been running IPv6 in production for several years (2008) as
well (answering this email over IPv6 now, actually) yet I have
completely different conclusions about the role of RA and DHCPv6.
Weird.

And that's a very good reason not to deprecate SLAAC. Tomas may prefer DHCPv6, and he may provide reasons others may prefer DHCPv6. But he hasn't provided justification for deprecating SLAAC.

Many of us have been working with IPv6 for years and have found SLAAC to be quite useful. The biggest benefit it provides, which Tomas did not acknowledge, is the ability to autoconfigure hosts without running a central server. That said, I have also found DHCPv6 to be quite useful.

I also agree with Owen: Provide two complete solutions, and let operators choose based on their needs. That implies fixing DHCPv6 so I don't have to go in and disable the autonomous flag on my routers and run RAs just to get a default route. But it also implies not deprecating either SLAAC or DHCPv6.

michael


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