The MPLS-OPS Archive

[Danny McPherson <danny@ambernetworks.com>]

> Of course, one may say that one could just use traditional IP
> routing, and run the network at sufficiently low utilization, as
> to assure that any path has sufficient amount of resources to
> accommodate the required QoS. But that approach has its own cost
> as well.

I've always agreed that MPLS TE is interesting when considering 
path selection based on a set of constraints (e.g., max jitter, 
prop delay, etc..).  So is ATM.  

And sure, if one of the constraints is available bandwidth AND 
resource reservation is employed throughout the network (along 
the entire path, core included) behavior would certainly be more 
deterministic.  Of course, everything has a cost, and this 
resource reservation is a VERY expensive one.  

-danny

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