Hi Ron, Hope you are doing fine. Sorry for my comment, I had read it a while back and couldn't remember it precisely. However, let's discuss it:
1) How do the Intermediate LSRs detect that a packet contains PTP? Do you require snooping at line rate? 2) How is a normal Ethernet or ATM or FR PW packet that uses CW is differentiated from a packet carrying PTP? Thanks, Shahram From: Ron Cohen [mailto:[email protected]] Sent: Monday, July 12, 2010 10:38 PM To: Shahram Davari Cc: Michel Ouellette; [email protected] Subject: Re: [TICTOC] FW: 1588 over MPLS draft Shaharm, SD> I know Ron had a nice draft, but the issue with that draft is that it required Deep packet inspection at line rate for all packets. Also it requires use of CW. Thanks for the compliment, but you probably read someone's else draft. Here it is http://tools.ietf.org/html/draft-ronc-ptp-mpls-00 The draft defines a PTP PW FEC (see section 6), hence it doesn't require any inspection. CW is not used (see figure 5). It does specify a direct PTP over MPLS mapping, without the additional use of Ethernet or IP encapsulation. Best, Ron
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