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| Last Update: Jun 2, 2010
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RFC5880
06/2010
(49 p.)
pdf(2p)
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D. Katz
D. Ward |
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Bidirectional Forwarding Detection (BFD) |
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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.
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| List |
Status: | Proposed Standard |
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| List |
Status: | Proposed Standard |
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| List |
Status: | Proposed Standard |
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Status: | Proposed Standard |
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RFC5884
06/2010
(12 p.)
pdf(2p)
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R. Aggarwal
K. Kompella
T. Nadeau
G. Swallow |
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Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs) |
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One desirable application of Bidirectional Forwarding Detection
(BFD) is to detect a Multiprotocol Label Switching (MPLS) Label
Switched Path (LSP) data plane failure. LSP Ping is an existing
mechanism for detecting MPLS data plane failures and for verifying
the MPLS LSP data plane against the control plane. BFD can be used
for the former, but not for the latter. However, the control plane
processing required for BFD Control packets is relatively smaller
than the processing required for LSP Ping messages. A combination of
LSP Ping and BFD can be used to provide faster data plane failure
detection and/or make it possible to provide such detection on a
greater number of LSPs. This document describes the applicability of
BFD in relation to LSP Ping for this application. It also describes
procedures for using BFD in this environment.
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Status: | Proposed Standard |
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Status: | Proposed Standard |
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