Consultative
Committee for
Space Data Systems
REPORT CONCERNING SPACE
DATA SYSTEM STANDARDS
LANGUAGE USAGE
IN INFORMATION
INTERCHANGE TUTORIAL
CCSDS 642.1-G-1
GREEN BOOK
October 1989
CCSDS REPORT: LANGUAGE USAGE IN INFORMATION INTERCHANGE TUTORIAL
Issue-l
iii
October 1989
AUTHORITY
Issue:
Green Book, Issue-1
Date:
October 1989
Location: CCSDS Panel 2 meeting,
September 1989
Ottawa, Ontario, Canada
This report reflects the consensus technical understanding of
the Panel 2 members representing the following member
Agencies of the Consultative Committee for Space Data Systems
(CCSDS):
•
British National Space Center (BNSC)/United Kingdom
•
Canadian Space Agency (CSA)/Canada
•
Centre National D'Etudes Spatiales (CNES)/France
•
Deutsche Luft and Raumfahrt e.V (DLR)/FRG
•
European Space Agency (ESA)/Europe
•
Indian Space Research Organization (ISRO)/India
•
Instituto de Pesquisas Espaciais (INPE)/Brazil
•
National Aeronautics and Space Administration
(NASA)/USA
•
National Space Development Agency of Japan
(NASDA)/Japan
This report is published and maintained by:
CCSDS Secretariat
Communications and Data Systems Division, (Code-TS)
National Aeronautics and Space Administration
Washington, DC 20546, USA
CCSDS REPORT: LANGUAGE USAGE IN INFORMATION INTERCHANGE TUTORIAL
Issue-l
iv
October 1989
FOREWORD
This document is a tutorial on the use of languages for
descriptive purposes in information interchange. It has
been prepared by the Consultative Committee on Space Data
Systems (CCSDS) Panel 2, Standard Data Interchange
Structures (SDIS).
This document discusses some of the challenges involved with
the interchange of information in the international space
community. It assumes the use of the standard formatted
data unit (SFDU), one of several CCSDS recommendations, as a
methodology for information interchange.
This document evaluates the choice and usage of languages in
each of three interchange categories. These categories
reflect two factors involving the relationship between the
producing and receiving environments:
•
C