[CMC E-Poll Alert] RP A5-04 Announcement of Review Opportunity

[CCSDS Rapporteur]

Control Number: RP A5-04

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

      CCSDS 732.0-P-1.2.  AOS Space Data Link Protocol.
                          Pink Sheets.  May 2005.

DOCUMENT DESCRIPTION:  The CCSDS Recommended Standard AOS Space Data Link 
Protocol  specifies the protocol, services, and procedures pertaining to 
the CCSDS Version-2 Transfer Frame.   This draft update proposes 
modifications to the M_PDU header as follows:

-	eliminates the 5-bit Reserved Spare field;
-	defines a new optional 4-bit Virtual Channel Frame Count Cycle field;
-	defines a new mandatory 1-bit VC Frame Count Cycle Use flag.

Note:  for clarity, the markup of the current draft issue 1.2 shows changes 
applied to the issue-1 Blue Book;  markup from the previous draft issue 1.1 
has not been retained.

The due date for receipt of Agency review comments by the Review 
Coordinator is 2005-7-15.  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.