See below, On Wed, Sep 21, 2011 at 6:09 PM, Suresh Krishnan <suresh.krish...@ericsson.com> wrote: > Hi Jari, > > On 11-09-19 02:35 AM, Jari Arkko wrote: >> Following up with a personal comment. >> >> The draft allocates an interface ID and an EUI-64 MAC identifier from the >> IANA block. These are two separate, unrelated allocations. >> >> The main criticism in RFC 5453 for making additional interface ID >> allocations is that old implementations do not know about them and may >> collide when making an allocation. I'm wondering if it would be better to >> allocate an interface ID that is based on the allocated EUI-64 identifier >> per RFC 2464? Then we would at least use the same format as other interface >> IDs and a collision would likely mean inappropriate use of the IANA EUI-64 >> identifiers. Note that privacy and cryptographic addresses set the u/l bit >> to zero, whereas EUI-64 interface IDs usually have it at one. Sri's draft is >> silent on what kind of number should be allocated for the interface ID, >> perhaps some guidance here would be useful. > > This sounds like a great idea. I am not sure that IANA has a reserved > EUI-64 block like you suggested, but they certainly have a ethernet > address block (MAC-48). We can instruct the IANA to assign a MAC address > that maps straight into the IID. e.g.
The IANA Considerations for the allocation of EUI-48 and EUI-64 addresses are spelled out in RFC 5342. There is no reason for any special action to "direct" IANA. Thanks, Donald ============================= Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e...@gmail.com > 00-00-5E-00-03-00 > > and the IID > > 0200:5eff:fe00:0300 > > Thanks > Suresh > _______________________________________________ > Ietf mailing list > i...@ietf.org > https://www.ietf.org/mailman/listinfo/ietf > -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
