[nsp] Methods for Non-BGP multihoming

[Pekka Savola]

On Thu, 25 Jul 2002, Elliott, Andrew wrote:
> >The best solution considering the requirements is to run BGP with private 
> >AS numbers to your ISP's and have them remove them in the advertisements.  
> >That way you can have control on outbound/inbound traffic but don't need 
> >an ASN.
> 
> If you are multihomed, most ISPs will not allow you to use a private AS, as
> that will result in inconsistent originations for the prefix.
> 
> If you are going to use BGP in a multihomed situation, you will want to have
> your own AS.

AFAIK it's perfectly acceptable to have a prefix with multiple origins.

-- 
Pekka Savola                 "Tell me of difficulties surmounted,
Netcore Oy                   not those you stumble over and fall"
Systems. Networks. Security.  -- Robert Jordan: A Crown of Swords