RE: OSPF LSA type 3 filtering

Already explained -

https://learningnetwork.cisco.com/thread/40954

biggest reason from a practical standpoint - ISP to BIG to place area 0 in one
place! LOL

area 0 requirement is like a "second dude in the bed requirement". Bitch is
out

From: Imran Ali [mailto:immrccie_at_gmail.com]
Sent: Friday, January 04, 2013 1:35 PM
To: Marko Milivojevic
Cc: Joseph L. Brunner; Carlos G Mendioroz; Brian McGahan; Narbik Kocharians;
Cisco certification
Subject: Re: OSPF LSA type 3 filtering

marko i need to know why they use is-is over ospf
On Fri, Jan 4, 2013 at 8:53 PM, Marko Milivojevic
<markom_at_ipexpert.com<mailto:markom_at_ipexpert.com>> wrote:
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.net