IPv6 PI allocation
Jun-ichiro itojun Hagino 2.0
itojun at itojun.org
Thu May 17 19:40:35 CEST 2007
> > * itojun at itojun.org (Jun-ichiro itojun Hagino 2.0) [Thu 17 May 2007, 12:50 CEST]:
> > >hmm. i have an RFC on it (RFC3178, Oct 2001), which uses two
> > >provider-aggregatable prefixes from two separate ISPs for multi-homing.
> > >with IPv6, it is a common practice for router(s) announcing multiple
> > >prefixes, right?
> > >i hoped that RFC3178 would stop PI allocations, but at that time people
> > >just did not get it. i was lucky enough that the document made it
> > >to informational RFC level.
> > RFC3178-style multihoming will create more entries in the global routing
> > table once a network using that connects to an IXP.
> not at all. RFC3178 does not require ISPs to announce any specific
> routes (other than /29 or /32 of the ISP).
oops, forgot it: it needs two "cabal" ISPs to have transit relationship
with each other.
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