VCZRP: Enhancing Performance of Mobile Ad Hoc Networks Using Virtual Coordinates

Ad hoc networks are wireless networks where mobile nodes relay on each other to keep network connected without help of pre-existing infrastructure or centralized control. These are characterized bydynamic topology caused by node mobility, multihop wireless connectivity and limited bandwidth, and potentially large scale makes routing as challenging problem in these systems. The key challenge in the design of ad hoc networks is the development of dynamic routing protocols that can efficiently find routes between two communicating nodes. To address these various routing protocols are existing like ondemand routing, geographical routing. These protocols require availability of location information and suffer from poor routing performance and severe dead end problems. Existing, Virtual CoordinateSystems perform routing without location information using virtual coordinate vector at each node which is calculated using predefine landmark nodes. But these systems have the problem of updating the virtual coordinates because of frequent topological changes causing considerable overhead. Proposed system uses virtual coordinate system with ZRP (Zone Routing Protocol) aspects. Also, by using VC Id instead of virtual coordinate vector for node updations can reduce wastage of network bandwidth.