A method, architecture and service of providing a multiple tiered pricing structure for providing a first service level to priority traffic where the priority traffic is protected via a 1:1 protection system, and a second service level for non-priority or extra traffic, wherein the extra traffic is normally propagated via the protection path, and is protected using a mesh restoration technique in the event of failure of the protection path or use of the protection path by the priority traffic.

 
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> Network monitoring system responsive to changes in packet arrival variance and mean

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