OSPF vs IS-IS

Sun Aug 14 00:08:41 UTC 2011

On 13/08/2011, at 10:48 PM, Randy Bush <randy at psg.com> wrote:

>> That's interesting and if true would represent a real change.  Can you
>> list the larger SPs in the US that use OSPF?
> 
> at&t
> 
> is-is in ntt, sprint, verizon, ...
> 
> randy
> 

AT&T's backbone is the old SBC backbone?  Finding OSPF here doesn't 
surprise me.

If Level3 is really OSPF I would be pretty surprised, most of the clue @L3
came from iMCI (a big IS-IS shop).

jy