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Line 1: In computer networks, a '''path computation element''' (PCE) is a system component, application, or network node that is capable of determining a finding a suitable route for conveying data between a source and a destination.<ref name=pce-rfc>RFC 4655, [http://www.ietf.org/http://www.ietf.org/rfc/rfc4655.txt "A Path Computation Element (PCE)-Based Architecture"]</ref> ==Description== Routing can be subject to a set of constraints, such as Quality of Service (QoS), policy, or price. Constraint-based path computation is a strategic component of traffic engineering in [[MPLS]] and [[GMPLS]] networks. It is used to determine the path through the network that traffic should follow, and provides the route for each [[Label Switched Path]] (LSP) that is set up.

Path computation element: Difference between revisions