Routing is a mechanism to build links or connections between two or more nodes with or without the infrastructure. A Routing algorithm is a method for determining the routing of packets in a node. For each node of network, the algorithm determines a routing table, which in each destination, matches an output line. The algorithm should lead to a consistent routing, that is to say without loop. This means that you should not route a packet a node to another node that could send back the package.There are three main types of routing algorithms- Vector (distance-vector routing),To link state (link state routing), Path to vector (path-vector routing).This paper focus on the survey of reactive and proactive routing protocols like OLSR, AODV, RIP, OSPF, DSR.

DV,LSR,RIP,DSR, AODV

[1]. The AODV protocol is basically flat routing protocol so it does not require any inner organizational methodto handle the routing process.
[2]. In AODV routes established on demand and that destination sequence numbers are applied for find the latest route to thedestination.
[3]. The connection setup delay islower.
[4]. The AODV protocols are a loop free and avoid the counting to infinityproblem.
[5]. At most one route per destination maintain at each node.
[6]. It can lead to heavy controloverhead.
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