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Delay- and Disruption-Tolerant Networking

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TCP/IP has become so prevalent a transmission protocol, that the assumption that this is all that is needed becomes almost accepted as fact. Yet, there are problems. To mention just one,TCP has a built in time out factor of two minutes so that if no data is sent in two minutes the circuit is shut down. If you are trying to communicate with a space craft that's more than two minutes away communications will never be estblished.

As a result of this and several other problems, JPL began to devise a new communications protocol to specially handled these kinds of problem areas. The result is the InterPlanetory Networn, or IPN.

With more experience in using IPN, several other applications have emerged, i.e. military battlefield sensors, arctic lake pollution monitoring where the sensor is visited once a year, and many others.

This book describes the structure and design of delay and disruption tolerant networks to a depth that the organization needing such capabilities could build one.

Mission to Mars, testing water quality in the lakes of Ireland, and bringing the internet to remote sub-Saharan villages all have something in common. They are all examples of networking in extreme environments that overwhelm traditional technology and require new communications solutions. Delay and disruption networking (DTN) is an up-and-coming technology that enables networking in extreme environments. This complete reference on DTN covers applications requirements, DTN protocols, and network implementation. Thoroughly examining the causes of delay and disruption, the book shows how to engineer a robust network that can survive the harshest conditions. DTN is a popular solution for extreme sensor applications, and this cutting-edge resource explores all the issues, including power management, related to DTN and sensor networking. In addition to providing practical insights and case studies, the book also looks at routing, custody in practice, and security in DTN. Stephen Farrell is a research fellow in the Dept of Mechanical & Manufacturing Engineering and member of the Distributed Systems Group of the Dept of Computer Science at Trinity College Dublin.