[Lsr] RFC 8706 on Restart Signaling for IS-IS
rfc-editor@rfc-editor.org Sat, 22 February 2020 23:05 UTC
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Subject: [Lsr] RFC 8706 on Restart Signaling for IS-IS
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A new Request for Comments is now available in online RFC libraries. RFC 8706 Title: Restart Signaling for IS-IS Author: L. Ginsberg, P. Wells Status: Standards Track Stream: IETF Date: February 2020 Mailbox: ginsberg@cisco.com, pauwells@cisco.com Pages: 22 Obsoletes: RFC 5306 I-D Tag: draft-ietf-lsr-isis-rfc5306bis-09.txt URL: https://www.rfc-editor.org/info/rfc8706 DOI: 10.17487/RFC8706 This document describes a mechanism for a restarting router to signal to its neighbors that it is restarting, allowing them to reestablish their adjacencies without cycling through the DOWN state while still correctly initiating database synchronization. This document additionally describes a mechanism for a router to signal its neighbors that it is preparing to initiate a restart while maintaining forwarding-plane state. This allows the neighbors to maintain their adjacencies until the router has restarted but also allows the neighbors to bring the adjacencies down in the event of other topology changes. This document additionally describes a mechanism for a restarting router to determine when it has achieved Link State Protocol Data Unit (LSP) database synchronization with its neighbors and a mechanism to optimize LSP database synchronization while minimizing transient routing disruption when a router starts. This document obsoletes RFC 5306. This document is a product of the Link State Routing 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