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    • 2. 发明授权
    • Congestion control method for packet switching apparatus
    • 分组交换设备的拥塞控制方法
    • US4942569A
    • 1990-07-17
    • US314865
    • 1989-02-24
    • Junichi Maeno
    • Junichi Maeno
    • H04L12/851H04L12/927
    • H04L47/30H04L47/10H04L47/2433H04L47/32
    • One technique of a congestion control method for packet switching apparatuses, in which a plurality of priority data indicative of different demands, such as a first priority data indicative of immediateness priority and a second priority data indicative of necessity priority, are attached to each packet. In congestion of a packet queue, such control is carried out that such a packet as having the high first immediateness priority is rearranged as located in the front part of the queue while such a packet as having the high first immediateness priority but having the low second necessity priority is first discarded according to the first and second priority data of the packets, whereby major demands for the each packet are concurrently satisfied. For example, a packet of data transferred between telephone set terminals has a strong immediateness demand but has a relatively weak necessity demand, whereas, a packet of data transferred between data terminals has a relatively weak immediateness demand but has a strong necessity demand.
    • 一种用于分组交换设备的拥塞控制方法的一种技术,其中附加指示不同需求的多个优先级数据,诸如指示紧急优先级的第一优先级数据和指示必要优先级的第二优先级数据。 在分组队列的拥塞中,执行这样的控制,使得具有高第一即时优先级的分组被重新排列为位于队列的前部,而具有高第一即时优先级但具有低秒的分组 首先根据分组的第一和第二优先级数据丢弃必要性优先级,从而同时满足对每个分组的主要需求。 例如,在电话机终端之间传送的数据分组具有强烈的即时需求,但是具有相对较弱的必需性需求,而在数据终端之间传送的数据分组具有相对较弱的即时需求,但是具有强烈的需求。