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<div class=Section1>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Dear WG members,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Here are some minor questions/comments on our specification:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>3.1.10.2 -- Application_data is shown as optional. Is it really
optional? (Is the idea to enable ‘no-op’ messages?)</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>3.1.11.2 -- ditto</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>3.1.13.2 -- ditto</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>5.1.5.14 -- Inconsistency between text and picture. Is it
role-number followed by node-number or vice-versa?</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>5.1.5.18 – The second field in the diagram is labelled ‘MAMS
endpoint name’ but the structure below the label appears to be a
delivery-point-name. I think the label is correct and the diagram needs
to be changed. If my understanding is correct, a MAMS-endpoint-name does
not explicitly specifiy the transport service (e.g. udp) because all AMS
entities have agreed in advance on a particular transport service, while a
delivery-point-name explicitly specifies the transport service (e.g. tcp or udp
or …).</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>5.1.1.2 – (I’m not familiar with time code formats, but I
think this comment is correct) Table 5-1 shows the MPDU
header format. It includes CUC Time. If we haven’t done so
already, I suggest that we explicitly state whether or not the
‘preamble’ portion of CUC is included. Otherwise, the reader
of an MPDU will not be able to determine (with certainty) whether or not a preamble
is present.</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>5.1.3.3 -- Heartbeat Source. The meaning of the phrase
“node’s number” is unclear to me. I think the intention
is for this to mean “node-id” (a 4-byte number that factors in a
node’s unit, number, and role) rather than the “node number”
(a 1-byte number) by which the node is identified within its cell.</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Tim</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
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