[802.3_NGECDC] IEEE 802.3 NEA - Timestamping
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CREATED:20190322T203351Z
DESCRIPTION:All\,\nI have received a request for a new topic to be addresse
d in an NEA Ad hoc call by Steve Gorshe and Richard Tse to discuss PTP Tim
estamping Clarifications.\nDate: April 16 (Tues)\nTime: 10am to 11:30a
m ET\nAs an introduction:\nClarifications are needed in clause 90 to unamb
iguously define how Alignment Marker functions affect PTP timestamping\n1.
Clarify Tx and Rx Path Data Delay\n2. Clearly specify how AM an
d Idle insertion/deletion affect PTP timestamps\n3. Clarify how to ac
count for the lane distribution impact on the latency difference between t
he MII and the PHY of each lane\nSteve and Richard previously gave a prese
ntation to Maintenance. This presentation will provide interested parties
with background\, and may be found at http://www.ieee802.org/3/maint/publ
ic/gorshe_1_0119.pdf. Richard indicated to me that there may be some furt
her updates to this deck\, but it is their intent to go over this presenta
tion on the NEA call.\nInformation for the webex session may be found belo
w – \nJohn D’Ambrosia\nChair\, IEEE 802.3 NEA Ad hoc\nJoin Webex meeti
ng <https://ieee802d3.my.webex.com/ieee802d3.my/j.php?MTID=m14e0daab81f4eb
49c698b8dbd3cb1caf> \nMeeting number (access code): 297 850 124 \nHo
st key: 876287 \nMeeting password: AKhavRBK \n\n \nJoin
from a video system or application\nDial 297850124@xxxxxxxxxxxxxxxxxxxxxx
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DTSTART;TZID="Eastern Standard Time":20190416T100000
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SUMMARY;LANGUAGE=en-us:IEEE 802.3 NEA - Timestamping
TRANSP:OPAQUE
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rsion 16.0.11328.20019">\n<TITLE></TITLE>\n</HEAD>\n<BODY>\n<!-- Converted
from text/rtf format -->\n\n<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Cal
ibri">All\,</FONT></SPAN></P>\n\n<P DIR=LTR><SPAN LANG="en-us"><FONT FACE=
"Calibri">I have received a request for a new topic to be addressed in an
NEA Ad hoc call by Steve Gorshe and Richard Tse to discuss PTP Timestampin
g Clarifications.</FONT></SPAN></P>\n\n<P DIR=LTR><SPAN LANG="en-us"><FONT
FACE="Calibri">Date: April 16 (Tues)</FONT></SPAN></P>\n\n<P DIR=LTR><
SPAN LANG="en-us"><FONT FACE="Calibri">Time: 10am to 11:30am ET</FONT>
</SPAN></P>\n\n<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">As an in
troduction:</FONT></SPAN></P>\n\n<P DIR=LTR><SPAN LANG="en-us"><FONT FACE=
"Calibri">Clarifications are needed in clause 90 to unambiguously define h
ow Alignment Marker functions affect PTP timestamping</FONT></SPAN></P>\n\
n<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">1. Clarify T
x and Rx Path Data Delay</FONT></SPAN></P>\n\n<P DIR=LTR><SPAN LANG="en-us
"><FONT FACE="Calibri">2. Clearly specify how AM and Idle insert
ion/deletion affect PTP timestamps</FONT></SPAN></P>\n\n<P DIR=LTR><SPAN L
ANG="en-us"><FONT FACE="Calibri">3. Clarify how to account for t
he lane distribution impact on the latency difference between the MII and
the PHY of each lane</FONT></SPAN></P>\n\n<P DIR=LTR><SPAN LANG="en-us"><F
ONT FACE="Calibri">Steve and Richard previously gave a presentation to Mai
ntenance. This presentation will provide interested parties with backgro
und\, and may be found at</FONT></SPAN><SPAN LANG="en-us"> </SPAN><A HREF=
"http://www.ieee802.org/3/maint/public/gorshe_1_0119.pdf";><SPAN LANG="en-u
s"><U><FONT COLOR="#0563C1" FACE="Calibri">http://www.ieee802.org/3/maint/
public/gorshe_1_0119.pdf</FONT></U></SPAN><SPAN LANG="en-us"></SPAN></A><S
PAN LANG="en-us"><FONT FACE="Calibri">. Richard indicated to me that the
re may be some further updates to this deck\, but it is their intent to go
over this presentation on the NEA call.</FONT></SPAN></P>\n\n<P DIR=LTR><
SPAN LANG="en-us"><FONT FACE="Calibri">Information for the webex session m
ay be found below – </FONT></SPAN></P>\n\n<P DIR=LTR><SPAN LANG="en-us">
<FONT FACE="Calibri">John D’Ambrosia</FONT></SPAN></P>\n\n<P DIR=LTR><SP
AN LANG="en-us"><FONT FACE="Calibri">Chair\, IEEE 802.3 NEA Ad hoc</FONT><
/SPAN></P>\n\n<P DIR=LTR><SPAN LANG="en-us"></SPAN><A HREF="https://ieee80
2d3.my.webex.com/ieee802d3.my/j.php?MTID=m14e0daab81f4eb49c698b8dbd3cb1caf
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n<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG
="en-us"><FONT COLOR="#666666" SIZE=2 FACE="Arial">Meeting number (access
code): 297 850 124</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">
</FONT></SPAN></P>\n\n<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN
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