数据链路层的主要协议有: 1、em>Point-to-Point Protocal——PPP点到点。2、Ethernet——以太网。3、High-Level Data Link Control Protocal——高级链路控制协议。4、Frame Relay——帧中继。5、Asynchronous Transfer Mode——异步
点对点的 point-to-point;[例句]无论相信与否,许多ESB和EII项目仍然在SOA中进行点对点的语义集成。.Believe it or not, many ESB and EII projects still perform point-to-point semantic integration in SOA.