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What is the need of adhoc network ?
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Explanation:

Adhoc network inherit some common characteristic found in wireless network and add specific charateristic to adhoc networks.

  • Wireless: Nodes communicate wirelessly and share the same media( radio, infrared).

  • Ad-hoc base: A mobile adhoc network is a temporary network formed dynamically in an arbitary manner by collection of nodes as need arise.

  • Autonomous and infrastructureless: Adhoc network do not depend on any established infrastructure or centralized administration. Each node acts as an independent router and generates independent data.

  • Multihop routing: No dedicated routers are necessary, every node acts as router and forwards each others packet to enable information sharing between mobile hosts.

  • Mobility: Each node is free to move about while communicating with other nodes.

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