Re: [RAM] The mapping problem: rendezvous points?
JUAN-JOSE.ADAN@giss.seg-social.es Thu, 10 May 2007 09:10 UTC
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To: David Conrad <drc@virtualized.org>
Subject: Re: [RAM] The mapping problem: rendezvous points?
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David, David Conrad <drc@virtualized.org> wrote on 10/05/2007 00:20:56: > > People have been talking about having a push based mapping > mechanism. They have also been talking about having host-level > granularity. How is this going to work? Are people imagining a > flood protocol that propagates host-level mappings to every host on > the Internet? I am the proponent of a BGP-based push mapping mechanism. In my proposal on TIDR, I mention the possibility of propagating FEC mappings that could even descend down to the TCP or UDP port level per host. Obviously this is a nonsense nowadays. But, as almost always, not all that can be done is eventually done. I wanted to reflect in my proposal all the potentials of TIDR. But this is similar to what currently happens with the use of BGP for routing in the Internet: the BGP specification says nothing about the maximum mask length that should be stored in the RIB. It is the best current practice which dictates for example that /24 is a reasonable limit. And this is achieved by using filters. Therefore an important feature of a flooding mechanism should be the ability to differentiate the relative importance of the objects being mapped so as to treat them differently by means of filters of some type. Someone mentioned some days ago that host-based solutions and network-based solutions are orthogonal. I think he's right. Regards, Juanjo
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- Re: [RAM] The mapping problem: rendezvous points? Lars Eggert
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- Re: [RAM] The mapping problem: rendezvous points? Iljitsch van Beijnum
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