Transmission media reliability is an extremely important factor in the design and operation of a real-time communications network. It has had a profound effect not only on the configuration design of the NASCOM network itself, but on the philosophy of command/control of all NASA spacecraft, manned and unmanned. In an effort to obtain the highest possible level of circuit reliability and performance, goals or criteria have been established for each type of circuit. Also, special management techniques have been used in an effort to improve circuit reliability. The results of these efforts, as well as general technological improvements in the transmission media, are illustrated by showing measured composite circuit reliability over the past nine years and actual circuit performance measured during Apollo 8 through 15.
Reliability of the global NASCOM network.
Annual Reliability and Maintainability Symposium ; 1972 ; San Francisco, CA
01.01.1972
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Englisch