North American Network Operators Group|
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Re: Why doesn't BGP...
Can't you adjust your metrics/weights to prefer the low speed links less? -Deepak. On Fri, 8 Nov 1996, Ed Morin wrote: > With all the recent talk about BGP, etc., I thought I'd see if anybody > knows the reasoning behind a particular short-coming of BGP that I've > noticed and found particularly bothersome... > > We peer, using BGP, with several "backbone" provider networks for transit > purposes. Some of these links are "faster" than others (e.g. T-3 vs. > multiple T-1 and single T-1) for various reasons. If our router sees > a route to a particular destination via a "high-speed" link and a "low- > speed" link that has the _same_ number of AS "hops", it picks the link > with the "lowest" IP address! (At least that's what I'm told and what > I observe...) > > Why doesn't BGP pick the link with the highest bandwidth, or, better > yet, pick the link with the highest bandwidth AND least congestion to > label as the "best" available route? The needed information is avail- > able in the router (and if it was somebody doing BGP from a host that > was separate from the box with the interfaces, well, then too bad I > guess) and can't be _that_ hard to incorporate can it? > > I'll get off my soapbox now... > > Ed > > - - - - - - - - - - - - - - - - -