Re: Again no multi6 at IETF#56

[Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>]

Iljitsch;

> Well there is one way of multihoming that provides reasonable benefits
> without too many issues that can be deployed today: take address space
> from one ISP and announce it to two or more ISPs. As long as there is
> peering between these ISPs you're protected against all common failure
> modes. (Ok, not counting ISP going bankrupt as "common" here...)

It does not protect a site from ISP failure including but
not limited to bankrupcy.

Moreover, routes to imported addresses can not be aggregated that it
cause a scalability problems within ISPs.


							Masataka Ohta