On 20/8/19 10:57, shyam bandyopadhyay wrote: > I thought of keeping quite as on the very first > day I received suggestion from senior members to not to continue > with this topic any more. But, I need to answer all the queries > that I received so far as I am the one who have initiated this topic. > > I guess (as it has not been documented any where) there > were few issues based on which designers moved from 64 bits > address space in SIPP (RFC 1710) to 128 bits address space in IPv6 > which appeared to be major issues during those days: > > 1. To support SLAAC, by embedding 64 bits hardware address > with the IP address. Recent studies shows (including RFC 8064, > RFC 7217 and RFC 4941) that we need not embed hardware address > with the IP address. RFC 7217 has stated size of IID need not > be restricted to 64 bits. No. RFC7217 simply says that the algorithm works with any IID lengths. But it doesn't cahnge the requirement of /64 for SLAAC. -- Fernando Gont e-mail: fernando@xxxxxxxxxxx || fgont@xxxxxxxxxxxxxxx PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1
