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A considerable amount of research within the field of Quality of Service (QoS) support for distributed environment. In this study, we propose Improved LDSRDV-localized Dynamic Source Routing with aim to improve the Distance Vector Performance in MANET. One of the key issues in providing end-to-end QoS guarantees in packet networks is determining a feasible path that satisfies a number of QoS constraints. Nodes mobility brings flinty challenges to multicast in Mobile Ad hoc Networks (MANETs). To track nodes mobility, flooding messages are widely used for data delivery structure construction and maintenance in many multicast protocols. These periodic flooding messages significantly consume network resources, such as energy and bandwidth and result in network. To release data delivery structure maintenance onus, profited from location based service, a number of stateless location based multicast protocol were proposed, where a destination list is encapsulated into each data packet for data packet orientation. However, due to data packet capability limitation, the way of encapsulating a destination list in each data packet header restricts the protocol scalability. Simulation is performed using network simulator to demonstrate the efficiency of Improved LDSRDV.

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