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1. 发明授权

US06675190B1 Method for cooperative multitasking in a communications network, and a network element for carrying out the method 有权
标题翻译：通信网络中的协作多任务的方法，以及用于执行该方法的网元
公开(公告)号：US06675190B1
公开(公告)日：2004-01-06
申请号：US09414311
申请日：1999-10-07
申请人： Jörg Schabernack , Reimund Klamt , Hartmut Dr. Kocher
发明人： Jörg Schabernack , Reimund Klamt , Hartmut Dr. Kocher
IPC分类号： G06F900
CPC分类号： G06F9/4881
摘要： Instead of a conventional task scheduler in which tasks having a high priority are preferentially scheduled, so that the execution of tasks with very low priorities is blocked, a “fair scheduler” is proposed in which each task (TA to TE) is assigned a counter (CNT) and a threshold value (THD), with the threshold value specifying a maximum number of execute cycles within which the task need not be executed immediately, and the counter counting those execute cycles within which the task is not executed. At the beginning of each execute cycle, a test is made to determine whether one of the counters exceeds the associated threshold value. If that is the case, one (TD) of the corresponding tasks (TC, TD) is selected by a selection criterion and executed, and its counter is reset. The counters assigned to the remaining tasks are incremented by one, and the execute cycle is repeated if it is found that at least one more of the tasks (TC) is waiting to be processed.
摘要翻译：代替其中优先调度具有高优先级的任务的常规任务调度器，使得阻止具有非常低优先级的任务的执行，提出“公平调度器”，其中每个任务（TA至TE）被分配计数器（CNT）和阈值（THD），其中阈值指定任务不需要立即执行的执行周期的最大数目，并且计数器对不执行任务的执行周期进行计数。在每个执行周期的开始，进行测试以确定其中一个计数器是否超过关联的阈值。如果是这种情况，则通过选择标准选择相应任务（TC，TD）中的一个（TD）并执行，并且其计数器被重置。分配给剩余任务的计数器增加1，如果发现至少另外一个任务（TC）正在等待处理，则重复执行周期。

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