LABEL-DB Synchronization Procedures for a PCE as a central controller(PCECC)

The information below is for an old version of the document
Document Type Expired Internet-Draft (individual)
Authors Udayasree Palle  , Dhruv Dhody 
Last updated 2016-11-16 (latest revision 2016-05-15)
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[I-D.zhao-pce-pcep-extension-for-pce-controller] specify the procedures and PCEP protocol extensions for using the PCE as the central controller [I-D.zhao-teas-pce-control-function] where LSPs are calculated/setup/initiated and label forwarding entries are downloaded through a centralized PCE server to each network devices along the LSP path while leveraging the existing PCE technologies as much as possible. Labels downloaded to forwarding entries requires a reliable synchronization mechanism between the path computation clients (PCCs) and the PCECC. This draft specify the label database synchronization mechanism for managing of label database (LABEL-DB) at node (PCC) aligning with LABEL-DB at PCECC on initial session UP or session flap and specifies the required Path Computation Element Communication Protocol (PCEP) extensions.


Udayasree Palle (
Dhruv Dhody (

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