Re: Architectural limitations of our routing architecture

[RJ Atkinson <rja@extremenetworks.com>]

On Monday, Feb 10, 2003, at 11:22 America/Montreal, Randy Bush wrote:

> > The routing architecture shared by IPv4 and IPv6 is broken at least 
> > with
> > respect to mobility and to multi-homing.
> perhaps these consderations were not taken into account in the original
> designs, and hence may deserve a kinder phrasing than "broken"
Fair.  Please substitute "sub-optimal" for broken and accept
my apologies for poor wording.

> > Multihoming a given site ought not need to be known or visible in the
> > default-free-zone of an ISP that is not directly connected to that
> > multi-homed site.
> as this is not intuitively obvious, it needs motivation/justification
Also fair.

RFC-3221 has words on this topic that are far more elegant
than my own words could ever be.

Thanks,

Ran
rja@extremenetworks.com