Sebastien, We discussed the definitions section of the requirements document.
I believe that we managed to pin down the concepts of · frequency · phase (1 / frequency – e.g. 1 pps, no connection between different systems) · aligned phase (phase with zero or known relationship at different systems) · labeled (previously called uncalibrated) time (aligned phase events are labeled, but no link to official time standard, e.g. TDMA systems) · calibrated time (locked to UTC or national time standard) We also discussed stability and accuracy (which refer to one of the above) We looked at the ITU and 1588 definitions where applicable. Y(J)S From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Monday, May 11, 2009 00:23 To: [email protected] Subject: [TICTOC] Document with definitions discussed during the last TICTOC conference call Hello, Since I was late during the last TICTOC conference call, I was wondering what was the document that has been discussed during the call containing the definitions? Is it the requirements document? A new document? Where does the need for new definitions come from? Thanks in advance for the clarifications. Just a personal opinion regarding possible new definitions in TICTOC: it would be good as far as possible to align and re-use terms that are already defined in other groups dealing with synchronization (e.g. NTP, IEEE1588, ITU-T…). It would avoid confusion in the timing community in general. Thanks. Best Regards, [cid:[email protected]] [cid:[email protected]] Sébastien JOBERT R&D engineer, network synchronization Orange Labs / France Telecom R&D FT/RD/CORE/MCN/WAN Tel : +33 2 96 05 20 93 - Mob : +33 6 82 69 00 50 [email protected]<mailto:[email protected]>
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