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传统的UDP协议通信效率高、可靠性较差,不适合某些对可靠性要求较高、实时性较强的应用环境。基于此种思路,提出了一种基于UDP协议的简单可靠传输协议SRUDP,分析了SRUDP协议的基本原理,着重阐述了SRUDP的内部机制,包括确认机制、重发机制以及序号强制对齐机制,并在此基础上增加了传送的实时性。最后结合实际产品,研究了SRUDP协议中各种重要参数的设置,为具有可靠性要求高的业务应用提供了参考依据。
The traditional UDP protocol has high communication efficiency and poor reliability, and is not suitable for some applications that require high reliability and strong real-time performance. Based on this idea, a simple reliable transmission protocol SRUDP based on UDP protocol is proposed. The basic principle of SRUDP protocol is analyzed. The internal mechanism of SRUDP is emphatically described, including the confirmation mechanism, retransmission mechanism and sequence alignment mechanism. This increases the real-time transmission. Finally, with the actual products, we study the setting of various important parameters in the SRUDP protocol, which provides a reference for the business applications with high reliability requirements.