Computer Science And Technology - Research Publications

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    AODV Based Congestion Control Protocols: Review
    (IJCSIT, 2014) Bhatia, Bandana; Sood, Neha
    Ad- hoc network is defined as the network in which the users communicate with each other by forming a temporary network without any centralized administration. Here each node acts both as a host as well as a router. They have highly deployable, dynamic and self-configurable topologies. Various routing protocols are defined for MANETs. These protocols may follow proactive, reactive or hybrid approach. Due to many number of nodes transmitting packets over the network, the chances of losing the packets over the network increases to a great extent. Also, with the increase in size of data packets, the congestion over the network increases which may lead to packet loses. The existing routing protocols for MANETs do not support congestion control as they are not congestion adaptive. There are many proposed protocols that are congestion adaptive and deals with the congestion over the network. This paper discusses congestion control protocols in MANETs. Also, three congestion control protocols, EDAODV, AODV-I and CRP, are discussed. Simulation results are gathered for AODV by varying the number of nodes and size of the data packets for four performance metrics, namely, throughput, routing overhead, packet delivery ratio and end-to-end delay.
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    Performance analysis of AODV based congestion control protocols in MANET
    (Institute of Electrical and Electronics Engineers Inc., 2015) Bhatia, B.
    MANETs are highly deployable, dynamic and self-configurable because of which routing is an extremely challenging task in them. AODV routing protocol used for routing purposes in MANETs is an on-demand routing protocol which do not support congestion control as it is not congestion adaptive. This paper discusses two congestion control protocols based on AODV in MANETs. Many authors have proposed protocols based on AODV which are congestion adaptive and deal with the congestion over the network. AODV-I and EDAODV are two congestion control protocols which deals with the congestion reactively. These two protocols are simulated on NS2 by varying the size of data packets. The analysis of these protocols is done with AODV by calculating the values for four performance metrics, namely, throughput, packet delivery ratio (PDR), routing overhead and end-to-end delay. ? 2015 IEEE.