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BFD Encapsulated in Large Packets

Document Type Replaced Internet-Draft (bfd WG)
Authors Jeffrey Haas , Albert Fu
Last updated 2018-11-17 (Latest revision 2018-10-16)
Replaced by draft-ietf-bfd-large-packets
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
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Stream WG state Adopted by a WG
Document shepherd (None)
IESG IESG state Replaced by draft-ietf-bfd-large-packets
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
Send notices to (None)
This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at:


The Bidirectional Forwarding Detection (BFD) protocol is commonly used to verify connectivity between two systems. BFD packets are typically very small. It is desirable in some circumstances to know that not only is the path between two systems reachable, but also that it is capable of carrying a payload of a particular size. This document discusses thoughts on how to implement such a mechanism using BFD in Asynchronous mode.


Jeffrey Haas
Albert Fu

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)