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2: Flooding Technique. 

2: Flooding Technique. 

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Many routing protocols have been proposed for MANET, with the goal of achieving efficientrouting. Flooding technique is often used for r oute discovery in on-demand routing protocols inMANET such as AODV routing. Such technique coul d unnecessarily saturate most parts of thenetwork with route request packets. In addition, flooding has poor granular...

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... is proportional to the length of walk as shown in Figure ...
Context 2
... order to reduce the response time in random walk approaches, hybrid search schemes were proposed which can be viewed as a random walk of substantially shorter length (and hence smaller response time), combined with very shallow floodings on every step of the random walk as illustrated in Figure 1.2-D; These schemes can be considered as random walks with look ahead. Alternatively, very shallow floodings, say of depth 1, can be thought of as a 1-step replication strategy, that is, where each node keeps a copy of the indices of his neighbors. In sparse networks, such replication causes low network ...

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