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Re: OSPF multi-level hierarchy: Necessary at all?
> > I guess the answer is pretty much not. The amount of interior > routing information in a properly designed backbone is quite > small even if there is no two-layer abstraction. (Now, the > _exterior_ information is aplenty, but OSPF is useless for it > anyway). > > If someone proposed simplifying and cleaning up OSPF i'd be > quite for it. Building a protocol allowing to get rid of > iBGP hack would also help :) Yep, it's the main headache for ISP, just as a lack of control ober EBGP (I can't control incoming traffic except tricky AS-PREPENT and _working for one ISP only_ COMMUNITIES). Through if someone build distributed (withouth one AS and one back-bone) model of OSPF - may be, it's interesting. > > --vadim > > Aleksei Roudnev, Network Operations Center, Relcom, Moscow (+7 095) 194-19-95 (Network Operations Center Hot Line),(+7 095) 230-41-41, N 13729 (pager) (+7 095) 196-72-12 (Support), (+7 095) 194-33-28 (Fax)