{"draft":"draft-ietf-mpls-tp-gach-gal-06","doc_id":"RFC5586","title":"MPLS Generic Associated Channel","authors":["M. Bocci, Ed.","M. Vigoureux, Ed.","S. Bryant, Ed."],"format":["ASCII","HTML"],"page_count":"19","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Multiprotocol Label Switching","abstract":"This document generalizes the applicability of the pseudowire (PW)\r\nAssociated Channel Header (ACH), enabling the realization of a\r\ncontrol channel associated to MPLS Label Switched Paths (LSPs) and\r\nMPLS Sections in addition to MPLS pseudowires.  In order to identify\r\nthe presence of this Associated Channel Header in the label stack,\r\nthis document also assigns one of the reserved MPLS label values to\r\nthe Generic Associated Channel Label (GAL), to be used as a label\r\nbased exception mechanism.","pub_date":"June 2009","keywords":["[--------]","mpls-tp","oam","g-ach","ach","associated channel header","gal","generic associated label"],"obsoletes":[],"obsoleted_by":[],"updates":["RFC3032","RFC4385","RFC5085"],"updated_by":["RFC6423","RFC7026","RFC7214","RFC7274"],"see_also":[],"doi":"10.17487\/RFC5586","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc5586"}