{"draft":"draft-ietf-pwe3-cbit-negotiation-05","doc_id":"RFC6723","title":"Update of the Pseudowire Control-Word Negotiation Mechanism","authors":["L. Jin, Ed.","R. Key, Ed.","S. Delord","T. Nadeau","S. Boutros"],"format":["ASCII","HTML"],"page_count":"9","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Pseudowire Emulation Edge to Edge","abstract":"The control-word negotiation mechanism specified in RFC 4447 has a\r\nproblem when a PE (Provider Edge) changes the preference for the use\r\nof the control word from NOT PREFERRED to PREFERRED.  This document\r\nupdates RFC 4447 and RFC 6073 by adding the Label Request message to\r\nresolve this control-word negotiation issue for single-segment and\r\nmulti-segment pseudowires.  [STANDARDS-TRACK]","pub_date":"September 2012","keywords":["[--------]","control word","control word negotiation","control word renegotiation","control word negotiation mechanism","control word renegotiation mechanism"],"obsoletes":[],"obsoleted_by":["RFC8077"],"updates":["RFC4447","RFC6073"],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC6723","errata_url":null}