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What is the PCEMP? It’s a protocol for a generic computational model that is used as an application path computation framework for any PCE “peer” in inter-domain scenarios. Drives the PCE “peer network” by soft-configuration on supporting network peers. How does it work? Maintains a “state” of adjacency by data-driven mapping of external routing information on node routing tables Soft-configuration, in this context, is defined as a mechanism that splits the network tree into a combination of sparse sub-trees for fast computation. The network architecture is optimally partitioned into a set of PCEDAs (PCE Domain Areas), which can be one or more Autonomous Systems, inter-domains etc. Some FAQs about PCEMP |