Frame Relay Over VSAT Satellite Networks

Very Small Aperture Terminals (VSATs) are small diameter earth stations used to transmit and receive voice and data communications via satellite. The terminal size is usually between 1 to 3 meters in diameter and transmission rates can go from 9.6 KBPS for low traffic applications to trunking applications with transmission rates up to 2 or 3 MBPS. VSATs are used to interconnect a large numbers of geographically dispersed locations to a central location or for interconnections between remote locations. The VSAT satellite networks use Geostationary satellites (GEO). A GEO satellite is at an altitude of 35,786 Kilometers above the equator. Any satellite in this orbit will rotate in a speed that will look stationary from the surface of the Earth.

Provided by: University of Colorado Topic: Networking Date Added: Jan 2010 Format: PDF

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