A Review on Difficulties and Challenges in Multi Path Routing of MANET

Computer Science & Engineering

A Mobile Ad-hoc Network (MANET) refers to a dynamic and wireless network which can be designed without an existing infrastructure as every node serves as a router. This survey investigates multipath routing protocols for mobile ad hoc networks (MANETs). The main objectives of multipath routing protocols are to provide reliable communication and to ensure load balancing as well as to improve quality of service (QoS) of MANETs.. MANET is a self-configuring system of mobile nodes that are connected wirelessly. Every node serves as a sink, as well as a router to send packets. The movement of the nodes is not restricted as they can move in any direction, and they have the ability to get organized into a network. Due to their free and independent movement, they do not have a fixed position. For effective load balancing, congestion control and to improve energy routing matrices, authentic capture of the load at various location of the network is required. This paper discussed the application of multipath routing protocol such as (AOMDV) to support application constraints such as load balancing, energy conservation, reliability and QoS. We also compare performance of existing single path routing protocol such as AODV and DSR with that of multipath routing protocol (AOMDV) for MANET. Multipath routing protocols address issues such as multiple paths discovery and maintaining these paths. Issues, objectives, performances, advantages and disadvantages of these protocols are investigated and summarized.

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