A Research on IPv6 Address Auto-Configuration for IoT

The IPv6 address auto-configuration for the nodes in the IoT has always been a core issue that cannot be ignored. In addition to the stateful address auto-configuration method based on the DHCPv6 server, there is also a stateless address auto-configuration method, SLAAC. These two methods have received widespread attention from the industry in the constraint environments for the IoT and the nodes. By analyzing typical IoT network architecture and protocol layered architecture, this paper constructs two IPv6 address automatic configuration methods and the combinations of the two methods. Using Contiki's cooja simulator, a simulation experiment of the automatic IPv6 address allocation method was performed. This paper counts, compares and analyzes the communication overhead and time delay of address assignment. According to the result, a solution is proposed for the address allocation of the Internet of Things node in different application scenarios.