In the future the computing environment can be  expected based on the recent progress and advancement in computing and communication technologies.Next generation of wireless network security with include both prestigious infrastructure wireless network.“The collection of wireless nodes that can dynamically from a network to exchange information without using any pre-exiting fixed network infrastructure”.The special features of wireless network bring these technologies great opportunites together with severe challenges.This paper describes the fundamental problem of wireless network by giving its related research background including the concept and features of network.Some of this network technical challenges poses are also present based on which the paper points out some of the key research issues for networking technology that are expected to promote the development and accelerate the commercial application of wireless network.Special attention is paid on network layer and advanced schemes.

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