Re: GSE IDs [Re: IETF multihoming powder: just add IPv6 and stir]

[Brian E Carpenter <brian@hursley.ibm.com>]

David Conrad wrote:
> 
> > If the prefix is mutable en route, it doesn't matter that it's
> > globally unique: the end points can't use it as part of any checksum,
> > so either you have to add HIP, or the 64 bit suffix has to be
> > unique enough for checksum purposes.
> 
> Or you simply rewrite the first 48 bits when the packet traverses the
> border into the destination site with the same value the packet had
> prior to traversing the border of the source site.

This was not part of any GSE proposal I ever saw, and it involves stateful
distribution of mapping information. A very different beast from GSE,
and it sets off my stateful=bad alarm.

  Brian