[Sls-slp] RE: March 8 Telecon #4 Meeting Minutes now on CWE

[Tomaso.deCola at dlr.de]

Greg,

Actually I don't ask to add 1 byte but to make a more efficient use of the 5+8 bits, which are defined at the moment to protocol information and possible extensions. What I personally don't like much is the fact that we'll have a field where we'll be mixing together protocol identifier and COP signaling indication (as also pointed out by Gian Paolo), which should instead go separated in my view.

I'd indeed appreciate if you could add these points in the Cleveland agenda, so that we can reach an easy and quick agreement on how to proceed with this.

Best Regards,

Tomaso

------------------------
Deutsches Zentrum für Luft- und Raumfahrt (DLR)
German Aerospace Center
Institute of Communications and Navigation | Satellite Networks | Oberpfaffenhofen | 82234 Wessling | Germany
Tomaso de Cola, Ph.D.
Telefon +49 8153 28-2156 | Telefax  +49 8153 28-2844 | tomaso.decola at dlr.de<mailto:tomaso.decola at dlr.de>
http://www.dlr.de/kn/institut/abteilungen/san

From: Kazz, Greg J (312B) [mailto:greg.j.kazz at jpl.nasa.gov]
Sent: Wednesday, March 09, 2016 17:18
To: Cola, Tomaso de
Cc: sls-slp at mailman.ccsds.org
Subject: Re: March 8 Telecon #4 Meeting Minutes now on CWE

Tomaso,

We heard your suggestions and considered them but we believe that the original suggested 5 bit (32 protocols) was adequate but provided for unexpected growth by providing the signaled inclusion of an additional 255 IDs.  Why add a byte when we don't need it? Of course, this can be discussed further in CLE.

Best regards,
Greg

From: "Tomaso.deCola at dlr.de<mailto:Tomaso.deCola at dlr.de>" <Tomaso.deCola at dlr.de<mailto:Tomaso.deCola at dlr.de>>
Date: Wednesday, March 9, 2016 at 5:02 AM
To: "Kazz, Greg J (313B)" <greg.j.kazz at jpl.nasa.gov<mailto:greg.j.kazz at jpl.nasa.gov>>
Cc: "sls-slp at mailman.ccsds.org<mailto:sls-slp at mailman.ccsds.org>" <sls-slp at mailman.ccsds.org<mailto:sls-slp at mailman.ccsds.org>>
Subject: RE: March 8 Telecon #4 Meeting Minutes now on CWE

Greg,

Just a clarification about the field transporting the protocol identifiers. In the past weeks, we discussed with Ed, Gian Paolo and Keith about the large space allocated so far (8+5 bits) and somehow agreed that we can simply have 8 bits (256 combinations are enough to account all different protocol and extensions where applicable) and leave the remaining 5 (which help for 32-bits alignment) as reserved. However, I cannot see this point reflected in the current version of the book. If this solution could be implemented in the book, then we could use any of the 5-reseved bits to bring information about the COP stuff, without mixing together COP and proto identifiers in the 8 bits field.

Best Regards,

Tomaso

------------------------
Deutsches Zentrum für Luft- und Raumfahrt (DLR)
German Aerospace Center
Institute of Communications and Navigation | Satellite Networks | Oberpfaffenhofen | 82234 Wessling | Germany
Tomaso de Cola, Ph.D.
Telefon +49 8153 28-2156 | Telefax  +49 8153 28-2844 |tomaso.decola at dlr.de<mailto:tomaso.decola at dlr.de>
http://www.dlr.de/kn/institut/abteilungen/san

From: sls-slp-bounces at mailman.ccsds.org<mailto:sls-slp-bounces at mailman.ccsds.org> [mailto:sls-slp-bounces at mailman.ccsds.org] On Behalf Of Kazz, Greg J (312B)
Sent: Tuesday, March 08, 2016 19:06
To: sls-slp at mailman.ccsds.org<mailto:sls-slp at mailman.ccsds.org>
Subject: [Sls-slp] March 8 Telecon #4 Meeting Minutes now on CWE

Dear SLP WG,

Please find the minutes of USLP Draft White Book Telecon #4 on the CWE under the following URL:

http://tinyurl.com/jf9j6u3

The filename is: USLP Telecon 4 minutes March 08_2016

Best regards,

Greg
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