[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.