[c-nsp] IS-IS or OSPF as IGP?

[Bruce Pinsky]

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Joe Shen wrote:
> And, to my knowledge, technical research on OSPF is
> more fertile than IS-IS, and new feature is introduced
> to OSPF eariler than IS-IS. 
> 

With cisco, many new features are introduced in IS-IS first.  OSPF
generally lags behind. Some that come to mind are prefix prioritization,
advertise passive-only (to easily advertise only loopbacks and exclude
connecteds), IS-IS Keychaining, IS-IS fast flood, IS-IS Caching of
Redistributed Routes, LSA (LSP) throttling, and SPF throttling.

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bep

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