A Unified Control Channel for Pseudowires

Document Type Replaced Internet-Draft (pals WG)
Last updated 2014-11-16 (latest revision 2014-09-02)
Replaced by draft-ietf-pals-vccv-for-gal
Stream IETF
Intended RFC status (None)
Expired & archived
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Stream WG state WG Document Jun 2015
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IESG IESG state Replaced by draft-ietf-pals-vccv-for-gal
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a unified mode of operation for Virtual Circuit Connectivity Verification (VCCV), which provides a control channel that is associated with a pseudowire (PW). VCCV applies to all supported access circuit and transport types currently defined for PWs, as well as those being transported by the MPLS Transport Profile. This new mode is intended to augment those described in RFC5085. It describes new rules requiring this mode to be used as the default/mandatory mode of operation for VCCV. The older VCCV types will remain optional.


Tom Nadeau (tnadeau@lucidvision.com)
Luca Martini (lmartini@cisco.com)
Stewart Bryant (stbryant@cisco.com)

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