随着物联网概念的不断普及与深入,作为物联网核心技术的无线传感器网络得到了越来越多的应用。Zig Bee局域网协议遵循IEEE802.15.4标准,而且具有低功耗等特点。其网络层主要涉及路由发现及路由维护,选择最佳路由,把消息转发至目的地,对基于Zig Bee的网络管理进行学习研究具有重要意义。 With the continuous popularization and deepening of the concept of Internet of Things, wireless sensor networks, as the core technology of Internet of Things, are getting more and more applications. Zig Bee LAN protocol to comply with IEEE802.15.4 standards, but also with low power consumption and other characteristics. Its network layer mainly involves route discovery and route maintenance. Selecting the best route and forwarding the message to the destination network is of great significance for learning and researching the network management based on Zig Bee.