Re: How are you doing DHCPv6 ?

[PC <paul4004 () gmail com>]

The good news is that doubling your IP address allocation requirements for
v6 is far better than doubling v4...

On Tue, Jan 17, 2012 at 4:37 PM, Daniel Roesen <dr () cluenet de> wrote:

> On Tue, Jan 17, 2012 at 06:19:28PM -0500, Randy Carpenter wrote:
> > > You might want to give this a read:
> http://www.ietf.org/id/draft-ietf-dhc-dhcpv6-redundancy-consider-02.txt
> > That doesn't really help us if we want to deploy before that draft
> > becomes a standard.
>
> Well, it more or less just presents options (workarounds for missing
> proper HA sync).
>
> > Are there any DHCPv6 servers currently that actually function in a
> > fashion that is suitable for service providers?
>
> Without specifying your requirements, that's hard to say. If you're
> looking for fully state-sync'ed DHCPv6 server HA, I'm not aware of any.
>
> Cisco unfortunately pushed that another year into the future for CNR, so
> we're resorting for now to the "Split Prefixes" model described in
> abovementioned draft, effectively halving our DHCPv6-PD pools and thus
> exacerbates the negative effects of RIPE's overly converservative
> policy (HD-Ratio 0.94) on IPv6 by effectively stealing one bit (half
> the address space) just for redundancy. :-(
>
> Best regards,
> Daniel
>
> --
> CLUE-RIPE -- Jabber: dr () cluenet de -- dr@IRCnet -- PGP: 0xA85C8AA0