[nsp] Methods for Non-BGP multihoming
Bill Manning
bmanning@ISI.EDU
Fri, 26 Jul 2002 03:04:18 -0700 (PDT)
% 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,
Its just a real pain to distinguish legit use of this tactic
from route theft. So while it's technically ok, its a tool
you want to be -very- careful with.
--
--bill