The Mission Operations Message Abstraction Layer (MAL) Recommended Standard for defines the MAL in conformance with the service framework specified in the Mission Operations Services Concept Green Book (CCSDS 520.0-G-3). The current update addresses the request to add a slight restriction to the MAL data model regarding polymorphism. In addition the WG took the opportunity to make a few additional changes: external data type specifications such as XML Schemas can now be used; XML is being moved to the SANA registry; type short forms are now integers rather than strings; optional fields in composites are now shown; lists are now a template rather than explicit types; unsigned integer and File data types have been added.
CCSDS Pink Sheets are technically mature drafts that are released by the CCSDS for formal review by appropriate technical organizations. The technical contents of Red Books are not stable, and several iterations of a given Red Book may occur in response to comments received during the review process.
is generally limited to organizations affiliated with CCSDS (See Participation)
, although individual CCSDS review coordinators have the discretion to accept review comments from unaffiliated organizations/individuals.
Implementers are cautioned not to fabricate any final equipment in accordance with a Red Book's technical content.
Contact: Mario Merri