Wideband network systems protocol stack includes physical layer data link layer network layer and application layer . The data link layer mainly completes multiple access priority queues data segmentation and reassembly reliable transmission and other functions .

宽带网络系统协议栈分为物理层、 数据 链路层、网络层以及应用层，数据链路层主要完成多址接入、优先级队列、数据分段及重组、可靠传输等功能。

In modern warfare a great deal of information needs to be transmitted among different platforms which raises a requirement for wideband data link .

现代战争中大量信息在不同平台间传送，需要开发 宽带 数据 链。