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The authors show the architecture of DSRC (dedicated short range communication) system local communication and its application to the information push service. At first, we describe the design goal, architecture and performances of Non-IP part of Application Sub-Layer(ASL), which is the multiple application platform on DSRC in Japan, as DSRC local communication platform. Next, they propose the architecture and the application protocol of the information push service on DSRC as one of the key applications of DSRC. Lastly, they report its performance measured through experiments.