1.2 Communication standards Based on the technology of WAVE and dSRC a vehicle node can communicate with other vehicle nodes in the communication range which compose the communication links and the foundation of multi-hops routing in VANETS pplication Commercial or traffic announce, P2P communication, collision warning, other communication Routing Unicast, broadcast, geocast routing Link WAVE DSRC Physical Hardware equipment1.2 Communication Standards ◼ Based on the technology of WAVE and DSRC, a vehicle node can communicate with other vehicle nodes in the communication range, which compose the communication links and the foundation of multi-hops routing in VANETs Application Commercial or traffic announce, P2P communication, collision warning, other communication Routing Unicast, broadcast, geocast routing Link WAVE, DSRC Physical Hardware equipment