IP Switch is an important device in wide-bandwidth high-speed intelligent network. This paper summarized and compared some IP switch, which came from different corporation, then gave out common software structure using in IP switch.

• IP交换机是宽带高速智能网络中的重要设备 ；本文综合对比了几款 IP交换机 ；给出了 IP交换机中的一般软件结构 .