Current state / use of OSPF-TE

sthaug at nethelp.no sthaug at nethelp.no
Wed Apr 29 07:03:14 UTC 2015


> What is the current state/use of OSPF-TE?
> 
> Something you don't hear about much, for sure. Is this something that 
> wasn't designed well, supported well, or was it just superseded by label 
> based switching by the vast Telco market?

I assume you mean RFC 3630 "Traffic Engineering (TE) Extensions to
OSPF Version 2"? This would be used by providers running MPLS, RSVP-TE
and using OSPF as the IGP.

As far as I can see it is supported by all major vendors. The reason
you don't hear all that much about it is probably that a significant
number of providers running MPLS and RSVP-TE use IS-IS as their IGP
(we do).

Steinar Haug, Nethelp consulting, sthaug at nethelp.no



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