North American Network Operators Group

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

  • From: Vadim Antonov
  • Date: Thu May 27 14:38:22 1999

Alex Zinin <[email protected]> wrote:

>We're currently discussing necessity of multi-level hierarchy
>in OSPF on the WG mail list.
>but the main question is whether there is a demand
>for it or not.

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

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 :)