[Pce] I-D Action: draft-ietf-pce-pcep-extension-for-pce-controller-07.txt
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Subject: [Pce] I-D Action: draft-ietf-pce-pcep-extension-for-pce-controller-07.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Procedures and Protocol Extensions for Using PCE as a Central Controller (PCECC) of LSPs Authors : Zhenbin Li Shuping Peng Mahendra Singh Negi Quintin Zhao Chao Zhou Filename : draft-ietf-pce-pcep-extension-for-pce-controller-07.txt Pages : 35 Date : 2020-09-01 Abstract: The Path Computation Element (PCE) is a core component of Software- Defined Networking (SDN) systems. It can compute optimal paths for traffic across a network and can also update the paths to reflect changes in the network or traffic demands. PCE was developed to derive paths for MPLS Label Switched Paths (LSPs), which are supplied to the head end of the LSP using the Path Computation Element Communication Protocol (PCEP). But SDN has a broader applicability than signaled MPLS and GMPLS traffic-engineered (TE) networks, and the PCE may be used to determine paths in a range of use cases. PCEP has been proposed as a control protocol for use in these environments to allow the PCE to be fully enabled as a central controller. A PCE-based central controller (PCECC) can simplify the processing of a distributed control plane by blending it with elements of SDN and without necessarily completely replacing it. Thus, the LSP can be calculated/setup/initiated and the label forwarding entries can also be downloaded through a centralized PCE server to each network devices along the path while leveraging the existing PCE technologies as much as possible. This document specifies the procedures and PCEP extensions for using the PCE as the central controller. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-extension-for-pce-controller/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pcep-extension-for-pce-controller-07 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-extension-for-pce-controller-07 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-extension-for-pce-controller-07 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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