[e2e] [Fwd: State of MPLS deployments today]

Ping Pan pingpan at cs.columbia.edu
Sat Oct 5 22:16:48 PDT 2002

Vadim Antonov wrote:
> Besides, backbone link failures are mostly handled by APS, and with some
> trickery one can use APS for switching a backbone link between paired
> routers in case if one goes down :)

You assume network topology is always rings. What is the extra cost of 
having APS? Also if it is not SONET, but DS3, how do you apply protection?


- Ping

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