Research Article

The Improved Overhearing Backup AODV Protocol in MANET

Table 5

Evaluation of the results under attack.

ScenarioOverheadDelayPacket delivery ratio

Black hole attack scenarioUnder black hole attack, the overhead was almost the same.In this attack, delay will increase when there are more nodes.The most packet delivery ratio belonged to M-AODV.

Wormhole attack scenarioUnder wormhole attack, M-AODV had higher overhead.Under wormhole attack, M-AODV delay has been improved compared to AODV.Under wormhole attack except in the situation with 50 nodes, the most packet delivery ratio belonged to M-AODV.