国家重点实验室 ■2)network node Traditionally,it mainly performs the switching,exchange, transfer and multiplexing of user information,and has the functions of both control and management itself. Examples of network node: a router TPLINK for home and office Huawei enterprise router 2) network node Traditionally, it mainly performs the switching, exchange, transfer and multiplexing of user information, and has the functions of both control and management itself. Examples of network node:  a router TPLINK for home and office Huawei enterprise router