Computer Science – Performance
Scientific paper
Feb 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993tdar.nasa..117m&link_type=abstract
In its The Telecommunications and Data Acquisition Report p 117-133 (SEE N93-24659 09-32)
Computer Science
Performance
Configuration Management, Deep Space Network, Hierarchies, Information Management, Information Systems, Space Communication, Automatic Control, Lunar Exploration, Manual Control
Scientific paper
NASA has proposed missions to the Moon and Mars that reflect three areas of emphasis: human presence, exploration, and space resource development for the benefit of Earth. A major requirement for such missions is a robust and reliable communications architecture. Network management--the ability to maintain some degree of human and automatic control over the span of the network from the space elements to the end users on Earth--is required to realize such robust and reliable communications. This article addresses several of the architectural issues associated with space network management. Round-trip delays, such as the 5- to 40-min delays in the Mars case, introduce a host of problems that must be solved by delegating significant control authority to remote nodes. Therefore, management hierarchy is one of the important architectural issues. The following article addresses these concerns, and proposes a network management approach based on emerging standards that covers the needs for fault, configuration, and performance management, delegated control authority, and hierarchical reporting of events. A relatively simple approach based on standards was demonstrated in the DSN 2000 Information Systems Laboratory, and the results are described.
Markley R. W.
Williams Benjamin F.
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