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1 问题来源传统Internet协议簇(IPS)仅支持尽力而为(best effort,BE)服务,从主要的TCP/IP协议及socket编程接口来说,应用通信前除显式指定地址和端口外,不再需要说明应用数据的特性和所需的通信质量。简单的体系结构、通信服务和层次协议,端到端的设计原则简化中继系统的设计与实现,是Internet能在全球生存的主要原因,也能较好适合传统应用(如远程登录和电子邮件)单纯的通信需
1 The source of the problem Traditional Internet Protocol (IPS) only supports best effort (BE) service. From the main TCP / IP protocol and socket programming interface, before application communication, except explicitly specifying address and port, Then you need to explain the characteristics of the application data and the required communication quality. Simple architecture, communication services and hierarchical protocols, end-to-end design principles to simplify the design and implementation of the relay system is the Internet can survive the world’s main reason, but also better suited to traditional applications (such as remote login and e-mail) Simple communication needs