The proposed ZoomOut Broadcast Routing Protocol (ZBRP) is an information dissemination protocol with high degree of broadcast suppression, high probability of successful message delivery and fast network penetration. ZBRP has two components – ZoomOut HELLO (ZOH) [16] and ZoomOut Emergency Message (ZEM), where ZOH is a network layer message while ZEM is an application layer message. ZEM works on top of ZOH functionality. During ZOH, intelligent 1-hop beaconing (improvement of CAM) is performed to not only build 1-hop neighbourhood view but to also identify few 1-hop neighbours as relatives. These relatives are later used as relays for the dissemination of all type of messages including ZEM (our view of DENM) and to also suppress broadcast traffic on CCH 178 or G5SC2. The rest of the paper is organized as follows. Section II explains the related work in the context of broadcast suppression techniques to mitigate broadcast storm problem as explained above, section III states motivation of the proposed work, section IV explains the detailed design of the proposed ZBRP, section V is analytical evaluation of the proposed protocol, section VI is simulation setup and results while the last section is conclusion
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