Routing Protocols for MANET

Routing in Manet
  • Bandwidth constrained, variable capacity links:
    Wireless links usually have lower reliability, efficiency, stability, and capacity as compared to a wired network
  • Autonomous Behavior:
    Each node can act as a host and router, which shows its autonomous behavior.
  • Energy Constrained Operation:
    As some or all the nodes rely on batteries or other exhaustible means for their energy. Mobile nodes are characterized by less memory, power, and lightweight features.
  • Limited Security:
    Wireless networks are more prone to security threats. A centralized firewall is absent due to the distributed nature of the operation for security, routing, and host configuration.
  • Less Human Intervention:
    They require minimum human intervention to configure the network, therefore they are dynamically autonomous in nature.
Routing Protocols : MANET
  • Route Maintenance:
    This phase performs the maintenance work of the route as the topology in the mobile ad-hoc network is dynamic in nature and hence, there are many cases of link breakage resulting in the network failure between the mobile nodes.
  1. Each node can play both the roles ie. of router and host showing autonomous nature.
  2. Self-configuring and self-healing nodes do not require human intervention.
  1. Lack of authorization facilities.
  2. More prone to attacks due to limited physical security.

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