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Converging voice and data over mission-critical networks

Show simple item record Markley, R. W. en_US Humphrey, G. G. en_US Liu, J. en_US 2004-09-17T18:11:22Z 2004-09-17T18:11:22Z 2002-10-09 en_US
dc.identifier.citation SpaceOps 2002 en_US
dc.identifier.citation Houston, TX, USA en_US
dc.identifier.clearanceno 02-2113 en_US
dc.description.abstract The U.S. National Aeronautics and Space Administration (NASA) Deep Space Network ?? DSN - is an international network of antennas that supports interplanetary spacecraft missions and radio and radar astronomy observations for the exploration of the solar system and the universe. The network also supports selected Earth-orbiting missions. This paper describes the ground communications network of the DSN and ways network infrastructure costs are being reduced by the introduction of new technology. Fundamentally, the DSN ground network architecture is a star network, and the hub is at JPL in Pasadena, California. Communications to customer sites are designed to minimize NASA costs and may be either shared IP backbone networks or dedicated circuits. One of the primary features of the network is its ability to support real-time data, voice, and video communications among antenna stations, an automated multi-mission operations systems facility at JPL (AMMOS), and mission operations centers (MOCs) at NASA and non-NASA facilities. Funding for advanced engineering to reduce ground network infrastructure costs was provided by the NASA Office of Space Science. en_US
dc.format.extent 2838729 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other ground communications networks Internet voice VOIP en_US
dc.title Converging voice and data over mission-critical networks en_US

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