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本文从互连拓扑和介质访问控制方式两个方面对环型分布计算机系统进行分析,并用实例说明许可证传递方式既适用于总线拓扑,也适用于环形拓扑,既适用于多处理机,也适用于局部计算机网。文中对单一许可证传递方式、 多时间槽循环方式和移位寄存器插入方式在环型系统中的实现进行了讨论,提出了若干有待研究解决的技术问题。分析说明,许可证传递方式对于多处理机型分布计算机系统具有更大的吸引力。
This paper analyzes the ring distributed computer system from two aspects of the interconnection topology and medium access control method, and shows that the license transfer mode applies to both the bus topology and the ring topology, both for multi-processor and applicable In the local computer network. In this paper, the realization of a single license transfer mode, multiple time slot cycles and shift register insertion in a ring system are discussed. Several technical problems to be solved are put forward. Analysis shows that the license transfer method is more attractive for multi-processor distributed computer systems.