Hi authors, Both 1:n and n:1 are described in your draft. Could you explain "n:1, 1:n, m:n" where it is first used? 1:n protection and m:n protection are defined in G.808.1 and RFC 4427, but I can't find a definition for n:1. Best regards, zhenlong > -----Original Message----- > From: mpls [mailto:mpls-bounces@xxxxxxxx] On Behalf Of internet-drafts@xxxxxxxx > Sent: Tuesday, June 10, 2014 4:14 PM > To: i-d-announce@xxxxxxxx > Cc: mpls@xxxxxxxx > Subject: [mpls] I-D Action: draft-ietf-mpls-smp-requirements-06.txt > > > A New Internet-Draft is available from the on-line Internet-Drafts directories. > This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF. > > Title : Requirements for MPLS-TP Shared Mesh Protection > Authors : Yaacov Weingarten > Sam Aldrin > Ping Pan > Jeong-dong Ryoo > Greg Mirsky > Filename : draft-ietf-mpls-smp-requirements-06.txt > Pages : 14 > Date : 2014-06-10 > > Abstract: > This document presents the basic network objectives for the behavior > of shared mesh protection (SMP) which are not based on control plane > support. This is an expansion of the basic requirements presented in > RFC 5654 "Requirements for the Transport Profile of MPLS" and RFC > 6372 "MPLS Transport Profile (MPLS-TP) Survivability Framework". > This document is to be used as a basis for the definition of any > mechanism that would be used to implement SMP for MPLS-TP data paths, > in networks that delegate executive action for resiliency to the data > plane. > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-mpls-smp-requirements/ > > There's also a htmlized version available at: > http://tools.ietf.org/html/draft-ietf-mpls-smp-requirements-06 > > A diff from the previous version is available at: > http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-smp-requirements-06 > > > Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available > at tools.ietf.org. > > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ > > _______________________________________________ > mpls mailing list > mpls@xxxxxxxx > https://www.ietf.org/mailman/listinfo/mpls