Bidirectional Forwarding Detection (BFD)
Draft of message to be sent after approval:
From: The IESG <email@example.com> To: IETF-Announce <firstname.lastname@example.org> Cc: Internet Architecture Board <email@example.com>, RFC Editor <firstname.lastname@example.org>, bfd mailing list <email@example.com>, bfd chair <firstname.lastname@example.org> Subject: Protocol Action: 'Bidirectional Forwarding Detection' to Proposed Standard The IESG has approved the following document: - 'Bidirectional Forwarding Detection ' <draft-ietf-bfd-base-11.txt> as a Proposed Standard This document is the product of the Bidirectional Forwarding Detection Working Group. The IESG contact persons are Adrian Farrel and Ross Callon. A URL of this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-bfd-base-11.txt
Technical Summary This document describes a protocol intended to detect faults in the bidirectional path between two forwarding engines, including interfaces, data link(s), and to the extent possible the forwarding engines themselves, with potentially very low latency. It operates independently of media, data protocols, and routing protocols (for example since it is relatively simple and is independent of media type it allows rapid detection of faults on media such as Ethernet that don't have the same inherent fault detection at Sonet, and due to independence from routing protocol one protocol can be used to detect link failures quickly, which allows multiple routing and signaling protocols to be notified of failure). Working Group Summary This working group has ran very smoothly. A couple of people have noted that the documents were ready a while ago. Note that some late IPR announcements were referred back to the WG to check that they were OK. No issues were raised. Document Quality The protocol is widely implemented and deployed and has become part of default deployments on the internet. The drafts reflect the lessons learned from the deployed and operation. Multiple vendors have implemented and deployed BFD in operational networks. There are a few minor nits to be corrected based on Gen-Art and Last Call comments. The authors would like to correct these along with any IESG comments received. Personnel Dave Ward is the document shepherd. Adrian Farrel is the responsible Area Director.