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程控交换机呼叫处理程序面临多用户和实时性的矛盾,常用的呼叫处理调度方法各有利弊。本文针对小型程控交换机的特点,提出多级中断调度不同时限要求的处理程序和待处理事件排队的方式,从而解决了程控交换机中应答速度和过负荷问题。
Program-controlled switch call handling procedures face the contradiction between multi-user and real-time, common call handling scheduling methods have their own advantages and disadvantages. In this paper, according to the characteristics of small program-controlled switches, this paper puts forward the processing procedures and queuing methods of events waiting for different time-limits in multi-level interrupt dispatching so as to solve the problem of response speed and overload in program-controlled switches.