Tuesday, April 6, 2010

Ad hoc network

With the development of the society, in order to satisfy the requirements of free communication at any time, at any place and among any devices, a new network technology——Ad hoc network was born. Ad hoc network is a multi-hopped and self-organized network, and is composed by amount of nodes with wireless transceiver and mobility. According to its advantages of flexible organization, fast deployment, independence on the fixed infrastructure, independently working or men's nike shoes connecting with Internet and wireless cellular network, it is used by a wide range of applications.The traditional protocols and Lacoste Polo Shirts technologies, which based on the distance vector and link state, used in wired network can not be used in Ad hoc network because of the specificities of Ad hoc network such as using chi hair straighteners wireless channel, multi-hop and dynamic changing of network topology. And the protocols and technologies for Ad hoc network should be redesigned. On the other side, compared to the cheap ralph lauren polo shirts wired and centralized network, Ad hoc network is more vulnerable to eavesdropping, active chi hair straightener aggression, denial service attack and deception for using the shared chi dazzle wireless channel and distributed management technologies.This paper introduces AODV (Ad hoc On-demand Distance cheap men's nike shoes Vector) routing protocol, which is the typical reactive routing protocol used in Ad hoc network, and the detailed analysis on the mechanisms in route discovery phase and route maintenance phase in AODV routing protocol.
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