> I don't know of any implementations that keep prefixes in a persistent
> store. My expectaction would be that when the host is turned back on in
> September, it will send an RS and get RAs and auto-configure itself without
> any memory of the old prefix.
The Solaris 8 IPv6 implementation retains the IPv6 addresses configured through
stateless autoconfig in stable storage (together with the prefix lifetimes).
This is only used as a fallback should the node reboot and find no routers on
the link (i.e. no response after 3 RSs). The implementation does not retain
the on-link prefixes - just the addrconf prefixes.
This helps in the power failure scenario when the hosts
on a link might reboot before the routers. While they can't communicate
off-link until the routers appear there is some benefit in being able to
communicate on-link using the same addresses (global or site-local) that they
had before the power failure.
Erik
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