RFC 8051 on Applicability of a Stateful Path Computation Element (PCE)
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Subject: RFC 8051 on Applicability of a Stateful Path Computation Element (PCE)
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A new Request for Comments is now available in online RFC libraries. RFC 8051 Title: Applicability of a Stateful Path Computation Element (PCE) Author: X. Zhang, Ed., I. Minei, Ed. Status: Informational Stream: IETF Date: January 2017 Mailbox: zhang.xian@huawei.com, inaminei@google.com Pages: 24 Characters: 58011 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-pce-stateful-pce-app-08.txt URL: https://www.rfc-editor.org/info/rfc8051 DOI: 10.17487/RFC8051 A stateful Path Computation Element (PCE) maintains information about Label Switched Path (LSP) characteristics and resource usage within a network in order to provide traffic-engineering calculations for its associated Path Computation Clients (PCCs). This document describes general considerations for a stateful PCE deployment and examines its applicability and benefits, as well as its challenges and limitations, through a number of use cases. PCE Communication Protocol (PCEP) extensions required for stateful PCE usage are covered in separate documents. This document is a product of the Path Computation Element Working Group of the IETF. INFORMATIONAL: This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC