Research and Implementation of Packet Scheduling in 6LoWPAN Access(IPv4) Internet

The diversity of structure between Wireless sensor network and Internet leads to numerous issues in data interaction. Specific to data packet scheduling problem,we optimize scheduling algorithm and propose a scheduling model of multi-space coexistence on the basis of the realization of communication between 6LoWPAN and( IPv4) Internet. The data packet types in the process of heterogeneous network communication are analyzed and classified by the flow direction and processing mode. The same type of data packets will be blocked to access the opposite space by adopting the algorithm designed by our group,thus the probability of data collision will be dramatically reduced.The scheduling model is verified by a special designed gateway of heterogeneous network. The data packets processed by the scheduling algorithm do not cause the response message of ICMP. Experimental results show that the scheduling model of multi-space coexistence can effectively schedule data packets and improve the gateway performance to some extent.