nanog mailing list archives
Re: OSPF multi-level hierarchy: Necessary at all?
From: Vadim Antonov <avg () kotovnik com>
Date: Thu, 27 May 1999 15:33:27 -0700
Tony Li <tony1 () home net> wrote:
I suspect that the main driver is not the amount of routing information in the gross sense, but the scalability of the protocol as the number of nodes increases.
There's a better solution: decrease the number of nodes by replacing clusters with bigger boxes. This has an additional advantage of reducing number of hops (and, consequently, latency variance). K.I.S.S. rulez :) --vadim PS. Using DUAL or DASM instead of SPF helps, too -- these algorithms tend to eliminate updates which "do not matter" unlike SPF-based algorithms which have to inform everyone about local topology changes.
Current thread:
- OSPF multi-level hierarchy: Necessary at all? Alex Zinin (May 27)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex P. Rudnev (May 27)
- <Possible follow-ups>
- Re: OSPF multi-level hierarchy: Necessary at all? Alex Zinin (May 27)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex Zinin (May 27)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex P. Rudnev (May 27)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex Zinin (May 27)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex P. Rudnev (May 27)
- Re: OSPF multi-level hierarchy: Necessary at all? Vadim Antonov (May 27)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex P. Rudnev (May 27)
- RE: OSPF multi-level hierarchy: Necessary at all? Jessica Yu (May 27)
- Re: OSPF multi-level hierarchy: Necessary at all? Vadim Antonov (May 27)
- Re: OSPF multi-level hierarch: side question Steve Meuse (May 28)
- Re: OSPF multi-level hierarch: side question Alex P. Rudnev (May 28)
- Re: OSPF multi-level hierarch: side question Steve Meuse (May 28)
- Re: OSPF multi-level hierarchy: Necessary at all? Vadim Antonov (May 27)
- Re: OSPF multi-level hierarchy: Necessary at all? Sean Donelan (May 28)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex P. Rudnev (May 28)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex Zinin (May 28)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex P. Rudnev (May 28)
- Re: OSPF multi-level hierarchy: Necessary at all? Jessica Yu (May 28)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex P. Rudnev (May 28)
- Re: OSPF multi-level hierarchy: Necessary at all? Jessica Yu (May 28)
- Re: OSPF multi-level hierarchy: Necessary at all? Alex P. Rudnev (May 28)