容量有限逻辑环网的两种服务方式及其比较

摘要

讨论了容量有限逻辑环通信网中的门限服务方式和非门限服务方式.文章阐明两种服务方式的运行特点并建立数学模型、通过计算机编程，在相同条件下比较两种方式的系统和队列的各种工作特性参数.文中还针对典例描绘出特性曲线并由此得出结论：非门限服务方式的系统性能略优于门限服务方式的系统性能.%Threshold service mode and service mode without threshold arediscussed in a class of logic ring communication network with limited capacity．The system structure，the performance characteristics and various system parameters of the two service modes are compared by mathematics modeling and computer programming．Their comparing curves are also illustrated with corresponding explanation．