Networking

Survivability and Scalability of Space Networks

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Executive Summary

Network survivability, which reflects the ability of a network to continue to function during and after natural or man-made disturbances, is a crucial aspect for any kind communication. It goes beyond security and fault tolerance to focus on delivery of essential services and rapid recovery of full services when situation improves. Wireless and space networks have the challenge of survivability, since users and network entities are mobile and the communication channels are accessible to anyone. Network scalability reflects the ability of a network to support increased amount of load. Future Low Earth Orbiting spacecrafts will contain several IP-enabled devices, such as Earth observing equipment that will be accessible by terrestrial users through the Internet.

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