A quick question: I assume that there will be LSRs which have some ports with PTP support and some ports which are not. I think we should address this as well. Best, Ron
On Tue, Jan 18, 2011 at 5:45 PM, Yaakov Stein <[email protected]> wrote: > Manav and co-authors, > > I just started reading the document, and have a few comments. > > First, as we have stated a few times already, TICTOC is looking for a > unified solution > for carrying timing flows over MPLS, not just 1588. Although this doesn't > necessarily > mean that a single document explains both, if we have two separate > documents, > or worse, only a 1588 document, we will not accomplish what we are > intending. > > Second, the following wording is not going to fly in the IETF. > This document requires that MLPS nodes (LSRs) SHOULD be able to support > TC, ... > Such an LSR is referred to as a "1588-aware LSR" in this document. > As written this means that if this document becomes a proposed standard > RFC, > then every LSR manufactured will have to support identification of timing > flows > (remember SHOULD means MUST unless there is a very good reason no to). > This, of course, means that almost every LSR will need to be "1588-aware" > and there is no need to define the term. > > I believe that what you mean to says is something like this. > This document defines a "1588-aware LSR" that is able to identify 1588 > timing flows > carried over MPLS. > > Third, and more controversially, I believe we should be more modest in our > MUSTs here. > I would prefer that a "1588-aware" LSR MUST to be able to identify for > prioritization, > and MAY be able to correct the correction field. > > I have a few more minor comments (e.g., you speak of correcting FCS for the > PW FCS retention mode > of Ethernet PWS, but don't discuss correcting the UDP checksum (which in > IPv6 is mandatory), > but prefer to clear up the major items first. > > Y(J)S > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf > Of Bhatia, Manav (Manav) > Sent: Saturday, January 15, 2011 12:56 > To: [email protected] > Subject: [TICTOC] Transporting PTP messages (1588) over MPLS Networks > > Hi, > > We have posted a revised version of draft-davari-tictoc-1588overmpls-01 and > would appreciate a feedback from the WG. > > The draft is available here: > http://www.ietf.org/id/draft-davari-tictoc-1588overmpls-01.txt > > Cheers, Manav > > -- > Manav Bhatia, > IP Division, Alcatel-Lucent, > Bangalore - India > > > _______________________________________________ > TICTOC mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/tictoc > _______________________________________________ > TICTOC mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/tictoc >
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