RREQRoute Request
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References in periodicals archive ?
However, the minimization of the request zone can also lead to routing overhead if there is no specified limit of number of hops for the propagation of RREQ packet as observed in their work.
According to AODV specification [21] on unidirectional links, a node executing process RREQ (to-call) places source of incoming RREQ in a black list resulting into error.
The originating node create a route request message and broadcast the message, each intermediate node receiving the RREQ, and search in his route table to find destination if not founded With each new hop, the intermediate node adds its address to the routing request packet, therefore the packet size is increasing each time it is forwarded, then adding to its route table a path for the sender node, and finally the RREQ broadcasting again, While RREQ reaches its destination or an intermediate node that has a path to it, the RREP packet is created and sent back to the source.
The first two stages are carried out before sending the (RREQ) packet, while the last stage is regarding specifying the selected route lifetime in the route reply packet.
The source initiates a route discovery process sending a RREQ message in broadcast.
The source node S generates an RREQ packet and broadcasts the packet to its neighboring nodes 1, 2, and M.
This number is included in the RREQ (Route Request) of any node that desires to send data.
The routing mechanism in AODV uses route requests (RREQs; for discovering routes) and route replies (RREPs; for receiving paths).
Whenever a node needs to find a route to another node it broadcasts a Route Request (RREQ) message to all its neighbors.
proposed a modified solution in which they repeatedly broadcast RREQ (Route Request) packets.