When a node wishes to send a packet to some destination
❍ It checks its routing table to determine if it has a current route to the destination
• If Yes, forwards the packet to next hop node
• If No, it initiates a
route discovery process
❒ Route discovery process begins with the creation of a Route Request (RREQ)
packet -> source node creates it
❒ The packet contains – source node’s IP address,source node’s current sequence number,destination IP address, destination sequence number