In reality, for this purpose, IS-IS and OSPF are pretty much the same
(Type 2 vs Pseudonode LSP). They both use a very similar approach to
solve the same calculation problem.
Carriers tend to use IS-IS for one other reason (to some extent
remedied by OSPFv3). This is a separate discussion though.
-- Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor - IPexpert Blogs and organic groups at http://www.ccie.netReceived on Fri Jan 04 2013 - 09:53:58 ART
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