Re: scope of solution..

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

Bill Sommerfeld wrote:
> 
> one of Margaret Wasserman's notes talked about the solution coming
> from either "the routing system" or "the hosts".
> 
> Since we're talking about *site* multihoming, there are (at least)
> three scopes here:
> 
>  - the routing systems of the ISP's outside the site
> 
>  - the routing system within the site
> 
>  - the hosts within the site.
> 
> A scalable multihoming solution could involve some form of
> coordination between the site's routers and the site's hosts..

Possibly, but that would also require the site's routers to have
knowledge about the state of IDR, in order to give useful hints
to the hosts. This is not trivial.

   Brian