[mpls] RFC 8320 on LDP Extensions to Support Maximally Redundant Trees
rfc-editor@rfc-editor.org Fri, 23 February 2018 01:34 UTC
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Subject: [mpls] RFC 8320 on LDP Extensions to Support Maximally Redundant Trees
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A new Request for Comments is now available in online RFC libraries. RFC 8320 Title: LDP Extensions to Support Maximally Redundant Trees Author: A. Atlas, K. Tiruveedhula, C. Bowers, J. Tantsura, IJ. Wijnands Status: Standards Track Stream: IETF Date: February 2018 Mailbox: akatlas@juniper.net, kishoret@juniper.net, cbowers@juniper.net, jefftant.ietf@gmail.com, ice@cisco.com Pages: 21 Characters: 47801 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-mpls-ldp-mrt-07.txt URL: https://www.rfc-editor.org/info/rfc8320 DOI: 10.17487/RFC8320 This document specifies extensions to the Label Distribution Protocol (LDP) to support the creation of Label Switched Paths (LSPs) for Maximally Redundant Trees (MRTs). A prime use of MRTs is for unicast and multicast IP/LDP Fast Reroute, which we will refer to as "MRT-FRR". The sole protocol extension to LDP is simply the ability to advertise an MRT Capability. This document describes that extension and the associated behavior expected for Label Switching Routers (LSRs) and Label Edge Routers (LERs) advertising the MRT Capability. MRT-FRR uses LDP multi-topology extensions, so three multi-topology IDs have been allocated from the MPLS MT-ID space. This document is a product of the Multiprotocol Label Switching Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. 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