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该文主要讨论在以太网 CSMA/CD 信道访问协议中增添优先权功能。文中先介绍了 CSMA/CD 协议研究的进展,论述了以太网规范中链路级协议的 PASCAL 程序模型,然后提出了增添或插入优先权的实现方案。
This article focuses on adding priority features to Ethernet CSMA / CD channel access protocols. The paper firstly introduces the research progress of CSMA / CD protocol, discusses the PASCAL program model of link-level protocol in Ethernet specification, and then proposes the implementation scheme of adding or inserting priority.