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Re: OSPF multi-level hierarchy: Necessary at all?

  • From: Alex P. Rudnev
  • Date: Thu May 27 14:47:29 1999

> 
> 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
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