PCEP Extensions for traffic steering support in Service Function Chaining
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This document provides an overview of the usage of Path Computation
Element (PCE) with Service Function Chaining (SFC); which is described
as the definition and instantiation of an ordered set of such service
functions (such as firewalls, load balancers), and the subsequent
"steering" of traffic flows through those service functions. This
document specifies extensions to the Path Computation Element Protocol
(PCEP) that allow a stateful PCE to compute and instantiate Service
Function Paths (SFP).