I'd also like to ask that you don't prohibit the Alternate Timescales option. This is potentially useful to distribute "local time" (your time-zone and dst) and there doesn't seem to be any need to prohibit it.
John ________________________________ From: [email protected] [[email protected]] on behalf of John Fletcher [[email protected]] Sent: 25 October 2013 11:01 To: Douglas Arnold Cc: [email protected] Subject: Re: [TICTOC] Enterprise Profile Doug, I would be interested to know the circumstances when you see the maximum phase adjustment information being used. Some comments: In section 6, you say, “In all three of the delay measurement modes…”. At that point in the text you have not yet mentioned multicast, hybrid and unicast modes so it’s not clear which modes you are referring to. In section 9, you say, “Slaves SHOULD NOT Synchronize to a Rogue Master.” It’s not clear how a slave would know that a master is rogue; presumably it would need to examine the announce messages of all masters and do its own BMCA evaluation. A more realistic “rogue” master would probably meet the BMCA criteria for selection. In section 12, “Alternative Time Scales” should be “Alternate Timescales”. Regards, John Fletcher From: [email protected] [mailto:[email protected]] On Behalf Of Douglas Arnold Sent: 25 October 2013 01:35 To: [email protected] Subject: [TICTOC] Enterprise Profile Hello Everyone, Attached is an updated version of the Enterprise profile. Sorry I missed the upload deadline for the Vancouver meeting. If you get a chance to look at it before then I will be there and would love to discuss it. Summary of changes: I also changed the TLV format to fit the latest proposal in the 1588 revision. I added a statement about not going into the master state unless one had a current UTC offset. I added to the TLV fields to indicate maximum phase correction over a sync cycle. -- Doug Arnold Principal Technologist JTime! Meinberg USA +1-707-303-5559 ---------------------------- http://www.bbc.co.uk This e-mail (and any attachments) is confidential and may contain personal views which are not the views of the BBC unless specifically stated. If you have received it in error, please delete it from your system. Do not use, copy or disclose the information in any way nor act in reliance on it and notify the sender immediately. Please note that the BBC monitors e-mails sent or received. Further communication will signify your consent to this. --------------------- ---------------------------- http://www.bbc.co.uk This e-mail (and any attachments) is confidential and may contain personal views which are not the views of the BBC unless specifically stated. If you have received it in error, please delete it from your system. Do not use, copy or disclose the information in any way nor act in reliance on it and notify the sender immediately. Please note that the BBC monitors e-mails sent or received. Further communication will signify your consent to this. ---------------------
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