[SIS-CFDPV1] CCSDS Notification -- Renew / Retire / Update SCPS-TP specification in CCSDS

[Scott, Keith L.]

Greetings,

The SCPS-TP specification is again overdue for reconfirmation within CCSDS.  At this time we have the opportunity to:

  1.  RENEW the specification for another 5 years — essentially leaving it as-is.
  2.  RETIRE the specification to ‘silver<http://public.ccsds.org/publications/SilverBooks.aspx>’ status — it will remain accessible via the CCSDS website but will no longer be considered an ‘active’ CCSDS Specification
     *   We did this already with the SCPS-NP<http://public.ccsds.org/publications/archive/713x0b1s.pdf>, SCPS-SP,<http://public.ccsds.org/publications/archive/713x5b1sc1.pdf> and SCPS-FP<http://public.ccsds.org/publications/archive/717x0b1s.pdf> protocols.
     *   SCPS-TP is not used in any known space missions.
  3.  UPDATE the specification — make changes to it.
     *   Note that updating the specification would require securing resources from two CCSDS member agencies, which would be very difficult unless there is a compelling need.

CCSDS has maintained the SCPS-TP specification mainly as a service to the terrestrial community using it.  As noted above, SCPS-TP has not been deployed in space missions and within CCSDS is being supplanted by the combination of TCP and the IP suite (where the IP suite can function well) and the BP suite (where the IP suite doesn’t function well).

The activity of determining what to do with the specification will be undertaken by the SIS area and discussed briefly during the SIS-DTN portion of the Spring meetings in Cleveland week of 4 April.

What I am interested in now are opinions from the community as to the three options above.  In particular, does anyone see a need for CCSDS to maintain the ‘active’ status of SCPS-TP?  Again, retiring the specification within CCSDS will NOT cause it to disappear, NOR will it change the fact that the TCP options that implement the signaling for SCPS-TP will remain defined in IANA.

V/r,



—keith


Dr. Keith Scott                                                                        Office: +1.703.983.6547
Chief Engineer, J86A                                                             Fax:      +1.703.983.7142
Communications Network Engineering & Analysis Email:  kscott at mitre.org<mailto:kscott at mitre.org>
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Area Director, CCSDS<http://www.ccsds.org/> Space Internetworking Services<http://cwe.ccsds.org/sis/default.aspx>

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