Robert F. Linfield

Abstract: This report covers the first task of a three–task effort designed to explore the potential of using advanced satellite system technologies to enhance the rapid restoration of telecommunication services that may be disrupted due to traffic congestion or natural or man–made disasters. The purpose of this first task is to survey the various strategies currently used to alleviate stress. The telecommunication networks included are long–distance common carriers, local exchange carriers, and private networks. Both preventive and corrective measures are covered. Preventive measures include prioritizing traffic using fault–tolerant systems, and implementing alternate routing procedures. Corrective measures include network reconfiguration, engaging bypass systems, using transportable equipment and interconnecting systems.

Keywords: telecommunications; alternate routing; disaster recovery; fault detection; network reconfiguration; restoration

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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