I've met one that will allocate more /48s if you ask, and have met a DHCPv6 server implementation that would give you a new prefix if you generated a new client ID. So, yes, they easily can exist and in at least one case do.
On Wed, Mar 13, 2013 at 3:59 PM, Tim Chown <[email protected]> wrote: > > On 11 Mar 2013, at 12:45, Ted Lemon <[email protected]> wrote: > > > On Mar 11, 2013, at 1:31 AM, H. Peter Anvin <[email protected]> wrote: > >> That doesn't give the option to the server, though... the client has to > ask for one or the other. > > > > What I would suggest is that if the client doesn't get a big enough > allocation, it request an additional allocation, rather than that it try to > anticipate what the server will return and prepare for the worst. > > I agree with Ran's original comments. These are reinforced in the > candidate -08 text. > > Are there IPv6 ISPs out there who would allocate an additional (say) /60 > if the CER requested an additional prefix? Would it not be simpler to > state that the prefix in use in the homenet from any ISP should be > contiguous, and sufficient in size for the homenet's requirement, as per > 6177 (which recommends "significantly more than a single /64"?) > > Tim > _______________________________________________ > homenet mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/homenet >
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