North American Network Operators Group

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The Size of OSPF Network

  • From: HANSEN CHAN
  • Date: Fri Mar 31 16:07:56 2000

Dear all,

For the big ISP networks (tier 1 or 2) that happens to use OSPF, what is the typical
number of OSPF areas in the network? According to OSPF books, a typical area is
consisted of 200 routers. Are those guidelines ever followed in real ISP network
deployment?

Any input is highly appreciated.

Cheers,
Hansen