> -----Original Message-----
> From: Vlad Yasevich [mailto:[EMAIL PROTECTED]
> Sent: Thursday, October 26, 2006 9:58 AM
> To: Julien Laganier
> Cc: ipv6@ietf.org; Durand, Alain
> Subject: Re: address selection and DHCPv6
>
>> The concept that a DHCP address is more stable then
> EUI64 base address is flawed in my opinion. Both depend on a
> piece of hardware that can fail or be changed.
> I guess manually configured addresses are a bit more stable.
EUI64 are linked to the MAC address of a NIC. Replace that NIC on a
server
and your address change.
DHCPv6 addresses are derived by the DHCPv6 server from the DUID passed
by the server.
It is fairly easy to make sure the DHCPv6 server will always return the
same address
for a particular DUID. If the DUID is not derived from a MAC address but
is
assigned by the organisation, the Ipv6 address will be much more stable
than EUI64.
But, more importantly, they will be centrally assigned, ie can be
propagated
to places that maitain ACLs.
- Alain.
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