[CMC E-Poll Alert] RP A5-15 Announcement of Review Opportunity

[CCSDS Rapporteur]

Control Number: RP A5-15

The following draft CCSDS Recommended Standard has been placed on line for 
CCSDS Agency review:

      CCSDS 133.1-R-4.  Encapsulation Service.  Red Book.
                        Issue 4.  September 2005.

DOCUMENT DESCRIPTION:  The draft CCSDS Recommended Standard for 
Encapsulation Service specifies a communications service to be used by 
space missions to transfer protocol data units that are not directly 
transferred by the Space Data Link Protocols over a ground-to-space or 
space-to-space communications link.  The current draft issue 4
   -  adds reference to Proximity 1 Space Link Protocol;
   -  adds note concerning differences between the Encapsulation Packet
      header and obsolete Encapsulation Data Unit header defined in
      original (superseded) Space Link Protocol documents;
   -  changes User Defined Field from 1 octet  to 4 bits;
   -  adds 4-bit Protocol ID Extension field.

The due date for receipt of Agency review comments by the Review 
Coordinator is 2005-12-16.  More information is available at the Web site 
identified below.

The review document, in Portable Document Format (PDF), and associated 
review materials are available for downloading at the following location:

      http://public.ccsds.org/sites/cwe/rids

REMINDER:  Agency Heads of Delegation are to make their own arrangements 
for review participation by their Agency-sponsored Associates.