Introduction of Mobile Ad hoc Network (MANET)

MANET stands for Mobile adhoc Network also called as wireless adhoc network or adhoc wireless network that usually has a routable networking environment on top of a Link Layer ad hoc network.. They consist of set of mobile nodes connected wirelessly in a self configured, self healing network without having a fixed infrastructure. MANET nodes are free to move randomly as the network topology changes frequently. Each node behaves as a router as they forward traffic to other specified node in the network.

MANET may operate as standalone fashion or they can be the part of larger internet. They form highly dynamic autonomous topology with the presence of one or multiple different transceivers between nodes. The main challenge for the MANET is to equipped each devices to continuously maintain the information required to properly route traffic. MANETs consist of a peer-to-peer, self-forming, self-healing network MANET’s circa 2000-2015 typically communicate at radio frequencies (30MHz-5GHz). This can be used in road safety, ranging from sensors for the environment, home, health, disaster rescue operations, air/land/navy defense, weapons, robots, etc.

Characteristics of MANET –

Pros and Cons of MANET –



Pros:

  1. Separation from central network administration.
  2. Each nodes can play both the roles ie. of router and host showing autonomous nature.
  3. Self configuring and self healing nodes, does not require human intervention.

Cons:

  1. Resources are limited due to various constraints like noise, interference conditions, etc.
  2. Lack of authorization facilities.
  3. More prone to attacks due to limited physical security.

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