North American Network Operators Group
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RE: OSPF -vs- ISIS

  • From: Manav Bhatia
  • Date: Wed Jun 22 23:53:46 2005 
Hi Daniel,

We wrote a draft some time back comparing the two protocols ISIS and OSPF.
It should address some of your doubts and concerns. 

Here's a pointer to my local copy:

http://geocities.com/mnvbhatia/draft-bhatia-manral-diff-isis-ospf-00.txt

Thanks,
Manav

!> -----Original Message-----
!> From: [email protected] [mailto:[email protected]] 
!> On Behalf Of Dan Evans
!> Sent: Tuesday, June 21, 2005 7:35 PM
!> To: [email protected]
!> Subject: OSPF -vs- ISIS
!> 
!> 
!> All,
!> 
!> Can anyone point me to information on what the top N service 
!> providers
!> are using for their IGP? I'm trying to build a case for 
!> switching from
!> OSPF to IS-IS. Those on this list who are currently running IS-IS, do
!> you find better scalability and stability running IS-IS than OSPF? I
!> understand that this question is a lot more complex than a simple yes
!> or no since factors like design and routing policy will certainly
!> affect the protocols behavior.
!> 
!> Any insights or experiences that you can share would be most helpful.
!> 
!> Thanks,
!> 
!> Daniel Evans
!> Alltel Communications
!> 
!>