From greg.j.kazz at jpl.nasa.gov  Mon Nov  6 17:26:55 2006
From: greg.j.kazz at jpl.nasa.gov (Greg Kazz)
Date: Mon, 06 Nov 2006 09:26:55 -0800
Subject: [Sls-slp] Fwd: [Cesg-all] CCSDS JANUARY 2007 MEETINGS --
 REGISTRATION IS OPEN
Message-ID: <6.2.0.14.2.20061106092529.03292350@mail.jpl.nasa.gov>

Working Group Members,

Below are the details for registering and hotel info regarding the January 
CCSDS meetings in Colorado Springs.

best regards,

Greg Kazz
Chairman CCSDS SLS-SLP, HRU-WG, IPO


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>From: "Adrian J. Hooke" <adrian.j.hooke at jpl.nasa.gov>
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>Registration for the January 2007 CCSDS meeting series is now open!
>
>Hosted by NASA, the CCSDS meeting series will be located in Colorado 
>Springs, USA. The main technical meetings will be held from January 15-20 
>followed by CCSDS management meetings which will be held from January 23-26.
>
>Full information is available at 
>http://public.ccsds.org/meetings/2007Winter/default.aspx. Please check 
>back frequently for updates as the detailed meeting agendas develop during 
>the next couple of months.
>
>As always, registration is free and attendance is open to delegates 
>appointed by the CCSDS space agencies. Interested representatives of other 
>organizations who have cleared their attendance with their national space 
>agency are also welcome. Please visit 
>http://public.ccsds.org/about/ManagementStructure.aspx if you need to 
>contact your sponsoring agency.
>
>Once approved by your agency, the principal requirement for participating 
>is that you must register and must indicate precisely which meetings you 
>wish to attend. Total attendance is limited by the size of the facility 
>and late registrants cannot be guaranteed a place. Please register on-line 
>at http://public.ccsds.org/meetings/2007Winter/2007WinterReg.aspx
>
>You are also strongly urged to make your travel arrangements - especially 
>hotel reservations - as soon as possible. For future planning purposes, 
>you may also be interested to know that the Fall 2007 meeting is expected 
>to be held in Darmstadt, Germany in September 2007.
>
>We look forward to seeing you in Colorado Springs and to welcome you to 
>another important meeting of the international space data systems 
>interoperability community.
>
>Best regards
>
>Adrian J. Hooke
>Chairman, CCSDS Engineering Steering Group (CESG)
>
>
>
>_______________________________________________
>CESG-all mailing list
>CESG-all at mailman.ccsds.org
>http://mailman.ccsds.org/mailman/listinfo/cesg-all






From greg.j.kazz at jpl.nasa.gov  Wed Nov 15 20:49:06 2006
From: greg.j.kazz at jpl.nasa.gov (Greg Kazz)
Date: Wed, 15 Nov 2006 12:49:06 -0800
Subject: [Sls-slp] Prox-1 GB Text for Inclusion
Message-ID: <6.2.0.14.2.20061115124624.033fe118@mail.jpl.nasa.gov>

Dear SLS-SLPers,

Please review the attached text concerning the Prox-1 Frame Selection Rules 
and let me know if you have any comments concerning it. I would like to add 
this text to the Prox-1 GB to clarify the frame selection rules.

thanks,

Greg Kazz
Chairman SLS-SLP WG
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From tim.ray at nasa.gov  Thu Nov 16 14:55:19 2006
From: tim.ray at nasa.gov (Tim Ray)
Date: Thu, 16 Nov 2006 09:55:19 -0500
Subject: [Sls-slp] Prox-1 GB Text for Inclusion
In-Reply-To: <6.2.0.14.2.20061115124624.033fe118@mail.jpl.nasa.gov>
Message-ID: <00b701c7098f$3c4ed0c0$e194b780@gsfc.nasa.gov>


Greg,

Perhaps I am missing something, but the phrase "Select a PLCW if a PLCW was
selected last" raised a red flag for me.  Should it be something like
"Select a PLCW if there are no frames ready" instead?

Consider the situation where a non-User Frame is output and then there are
no more Frames to send.  It will never be possible to send a PLCW
unless/until a User Frame is sent!  (You can only send a PLCW if the
previous choice was a PLCW or a User Frame)

Tim



-----Original Message-----
From: sls-slp-bounces at mailman.ccsds.org
[mailto:sls-slp-bounces at mailman.ccsds.org] On Behalf Of Greg Kazz
Sent: Wednesday, November 15, 2006 3:49 PM
To: sls-slp at mailman.ccsds.org
Subject: [Sls-slp] Prox-1 GB Text for Inclusion

Dear SLS-SLPers,

Please review the attached text concerning the Prox-1 Frame Selection Rules 
and let me know if you have any comments concerning it. I would like to add 
this text to the Prox-1 GB to clarify the frame selection rules.

thanks,

Greg Kazz
Chairman SLS-SLP WG




From greg.j.kazz at jpl.nasa.gov  Thu Nov 16 16:57:29 2006
From: greg.j.kazz at jpl.nasa.gov (Greg Kazz)
Date: Thu, 16 Nov 2006 08:57:29 -0800
Subject: [Sls-slp] Prox-1 GB Text for Inclusion
In-Reply-To: <00b701c7098f$3c4ed0c0$e194b780@gsfc.nasa.gov>
References: <6.2.0.14.2.20061115124624.033fe118@mail.jpl.nasa.gov>
	<00b701c7098f$3c4ed0c0$e194b780@gsfc.nasa.gov>
Message-ID: <6.2.0.14.2.20061116085151.03141308@mail.jpl.nasa.gov>

Tim,

You are correct.

You have a default case where the user has no data to send just directives 
or P-frames

But I left out PLCW/Status Report  in the original GB text that mimics the 
actual frame selection rules in the prox-1 data link blue book.

The GB text should read:


·        Select a frame from the MAC Queue
·        Select a PLCW or status report if a User_frame was selected last
·        Select an Expedited Frame
·        Select a Sequenced Controlled Frame from first the Sent Queue else 
from the sequence controlled queue[1]
·        Select a PLCW or status report  if a PLCW was selected last


[1] User_frames are sequence controlled frames either from the Sent Queue 
or the Sequence Controlled Queue


So the sender should always be able to send a status report if a PLCW could 
not be sent.

But please take a look at p 4-2 (Section 4.1.2.2) in the current Prox-1 
data link BB to make sure you agree with the official frame selection rule 
wording.

thanks,

Greg


At 06:55 AM 11/16/2006, you wrote:

>Greg,
>
>Perhaps I am missing something, but the phrase "Select a PLCW if a PLCW was
>selected last" raised a red flag for me.  Should it be something like
>"Select a PLCW if there are no frames ready" instead?
>
>Consider the situation where a non-User Frame is output and then there are
>no more Frames to send.  It will never be possible to send a PLCW
>unless/until a User Frame is sent!  (You can only send a PLCW if the
>previous choice was a PLCW or a User Frame)
>
>Tim
>
>
>
>-----Original Message-----
>From: sls-slp-bounces at mailman.ccsds.org
>[mailto:sls-slp-bounces at mailman.ccsds.org] On Behalf Of Greg Kazz
>Sent: Wednesday, November 15, 2006 3:49 PM
>To: sls-slp at mailman.ccsds.org
>Subject: [Sls-slp] Prox-1 GB Text for Inclusion
>
>Dear SLS-SLPers,
>
>Please review the attached text concerning the Prox-1 Frame Selection Rules
>and let me know if you have any comments concerning it. I would like to add
>this text to the Prox-1 GB to clarify the frame selection rules.
>
>thanks,
>
>Greg Kazz
>Chairman SLS-SLP WG
>
>
>_______________________________________________
>Sls-slp mailing list
>Sls-slp at mailman.ccsds.org
>http://mailman.ccsds.org/mailman/listinfo/sls-slp






From tim.ray at nasa.gov  Thu Nov 16 18:04:24 2006
From: tim.ray at nasa.gov (Tim Ray)
Date: Thu, 16 Nov 2006 13:04:24 -0500
Subject: [Sls-slp] Prox-1 GB Text for Inclusion
In-Reply-To: <6.2.0.14.2.20061116085151.03141308@mail.jpl.nasa.gov>
Message-ID: <00ea01c709a9$a64744c0$e194b780@gsfc.nasa.gov>

Greg,

Ok.  Yes, the frame-selection logic in the Blue Book looks fine.
(My original concern was based on the mistaken assumption that MAC frames
did not count as User frames)

Tim



-----Original Message-----
From: Greg Kazz [mailto:greg.j.kazz at jpl.nasa.gov] 
Sent: Thursday, November 16, 2006 11:57 AM
To: Tim Ray
Cc: sls-slp at mailman.ccsds.org
Subject: RE: [Sls-slp] Prox-1 GB Text for Inclusion

Tim,

You are correct.

You have a default case where the user has no data to send just directives 
or P-frames

But I left out PLCW/Status Report  in the original GB text that mimics the 
actual frame selection rules in the prox-1 data link blue book.

The GB text should read:


.        Select a frame from the MAC Queue
.        Select a PLCW or status report if a User_frame was selected last
.        Select an Expedited Frame
.        Select a Sequenced Controlled Frame from first the Sent Queue else 
from the sequence controlled queue[1]
.        Select a PLCW or status report  if a PLCW was selected last


[1] User_frames are sequence controlled frames either from the Sent Queue 
or the Sequence Controlled Queue


So the sender should always be able to send a status report if a PLCW could 
not be sent.

But please take a look at p 4-2 (Section 4.1.2.2) in the current Prox-1 
data link BB to make sure you agree with the official frame selection rule 
wording.

thanks,

Greg


At 06:55 AM 11/16/2006, you wrote:

>Greg,
>
>Perhaps I am missing something, but the phrase "Select a PLCW if a PLCW was
>selected last" raised a red flag for me.  Should it be something like
>"Select a PLCW if there are no frames ready" instead?
>
>Consider the situation where a non-User Frame is output and then there are
>no more Frames to send.  It will never be possible to send a PLCW
>unless/until a User Frame is sent!  (You can only send a PLCW if the
>previous choice was a PLCW or a User Frame)
>
>Tim
>
>
>
>-----Original Message-----
>From: sls-slp-bounces at mailman.ccsds.org
>[mailto:sls-slp-bounces at mailman.ccsds.org] On Behalf Of Greg Kazz
>Sent: Wednesday, November 15, 2006 3:49 PM
>To: sls-slp at mailman.ccsds.org
>Subject: [Sls-slp] Prox-1 GB Text for Inclusion
>
>Dear SLS-SLPers,
>
>Please review the attached text concerning the Prox-1 Frame Selection Rules
>and let me know if you have any comments concerning it. I would like to add
>this text to the Prox-1 GB to clarify the frame selection rules.
>
>thanks,
>
>Greg Kazz
>Chairman SLS-SLP WG
>
>
>_______________________________________________
>Sls-slp mailing list
>Sls-slp at mailman.ccsds.org
>http://mailman.ccsds.org/mailman/listinfo/sls-slp




From greg.j.kazz at jpl.nasa.gov  Fri Nov 17 18:17:23 2006
From: greg.j.kazz at jpl.nasa.gov (Greg Kazz)
Date: Fri, 17 Nov 2006 10:17:23 -0800
Subject: [Sls-slp] Fwd: [Cesg-all] Working lunches and CWE training
Message-ID: <6.2.0.14.2.20061117101704.03419ab0@mail.jpl.nasa.gov>


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>Subject: [Cesg-all] Working lunches and CWE training
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>Area Directors and Working Group Chairs:
>
>In an effort to improve the productivity of the CCSDS meetings in Colorado 
>Springs next January, I am delighted to inform you that NASA will be 
>hosting a catered lunch each day. This lunch - which will be provided at 
>no cost to attendees - will normally be set-up in the Garden Pavilion (see 
>http://elpomar.org/page.asp?pageid=0%7C6%7C51&id=0%7Cpenrose_house) at a 
>fixed time each day.
>
>Since it would normally take people at least two hours to go off-location 
>to nearby restaurants, we hope that you will use this opportunity to 
>arrange your meeting agendas to take advantage of a 45-minute lunch break 
>and thus significantly increase your available meeting time.
>
>Having all participants together in a social setting at lunch time will 
>also offer the opportunity for working groups to make technical 
>presentations of general interest to CCSDS as a whole. The first 
>presentation will be on the Spacecraft Monitor and Control architecture, 
>and it will occur during lunch on Tuesday 16 January. I'd like to get 
>three or four more groups to volunteer to give overview talks. Please 
>contact the Secretariat if you would like to seize this opportunity.
>
>Finally, we are serious about getting all Working Groups to more 
>effectively use their public and private web areas in the CCSDS 
>Collaborative Work Environment (CWE) - see 
>http://public.ccsds.org/sites/cwe/default.aspx. Accordingly, it is planned 
>that Brian Oliver will set up a workstation in the Penrose House on at 
>least two days during the meetings week and will be personally available 
>to conduct hands-on training for Area Directors, Working Group chairs and 
>other interested people. Brian will be contacting each of you directly to 
>schedule your training sessions.
>
>Best regards
>Adrian
>
>
>
>_______________________________________________
>CESG-all mailing list
>CESG-all at mailman.ccsds.org
>http://mailman.ccsds.org/mailman/listinfo/cesg-all






From greg.j.kazz at jpl.nasa.gov  Thu Nov 30 18:20:23 2006
From: greg.j.kazz at jpl.nasa.gov (Greg Kazz)
Date: Thu, 30 Nov 2006 10:20:23 -0800
Subject: [Sls-slp] Fwd: [Cesg-all] DATE CHANGE: CCSDS "Wireless Workshop",
 now *22* Jan 07
Message-ID: <6.2.0.14.2.20061130101938.032736c8@mail.jpl.nasa.gov>

All,

Please note the change of date for the CCSDS Wireless workshop.

best regards,

Greg Kazz
Chairman CCSDS SLS-SLP WG


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>
>PLEASE NOTE THAT THE CCSDS WIRELESS WORKSHOP HAS BEEN MOVED ONE WEEK 
>LATER. The workshop will now be held on Monday, 22 January, but still at 
>the University of Colorado campus in Colorado Springs.
>
>An updated announcement is attached. Online registration and information 
>is at http://public.ccsds.org/meetings/2007Winter/wireless.aspx.
>
>Best regards
>Adrian
>
>Adrian J. Hooke
>Chairman, US Technical Advisory Group and
>U.S. Representative to ISO/TC20/SC13
>(Space Data and Information Transfer Systems)
>NASA Jet Propulsion Laboratory,
>Interplanetary Network Directorate
>M/S 303-402, 4800 Oak Grove Drive
>Pasadena, California 91109-8099, USA
>+1.818.354.3063 OFFICE
>+1.818.653.9553 MOBILE
>
>_______________________________________________
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>CESG-all at mailman.ccsds.org
>http://mailman.ccsds.org/mailman/listinfo/cesg-all
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