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    • 2. 发明申请
    • METHOD FOR OVERLOAD CONTROL FOR A SWITCHING CENTER
    • 方法过载防御交换中心
    • WO99038341A1
    • 1999-07-29
    • PCT/EP1998/008210
    • 1998-12-15
    • H04Q3/66
    • H04Q3/66H04Q2213/13141H04Q2213/13166H04Q2213/13167H04Q2213/13213H04Q2213/13344H04Q2213/13387
    • Automatic Congestion Control (ACC) is a network-wide method for overload control in an overloaded switching center. According to said method, the degree of overload is reported to the neighboring switching centers by an overloaded switching center via an overload value (ACL value) set for the entire network. However, only two ACL values are envisaged in ACC thereby leading to intensive and abrupt control measures in the above-mentioned neighboring switching centers. According to the invention, this problem is solved in that an effective overload value (OCL value) is determined in a neighboring switching center on the basis of information covering several ACL values. Said effective overload value is taken into account to undertake control measures in the neighboring switching centers in relation to the overloaded switching center.
    • 自动拥塞控制(ACC)是用于过载程度的用于过载交换中心过载保护,因此拥塞交换中心的相邻交换中心经由网络范围的设定过载值(ACL值)得知这一网络范围的过程。 ACC,然而,提供了以前只有两个值的ACL值,因此导致这些邻国交往暴力,突然的防御措施。 本发明解决了一个有效的过载值(OCL)值这个问题在从多个ACL值的信息,该信息用于控制防御措施该邻居交换中心相对于过载的交换中心相邻的交换中心被确定。
    • 6. 发明申请
    • TELECOMMUNICATIONS NETWORKS
    • 电信网络
    • WO98043451A1
    • 1998-10-01
    • PCT/GB1998/000809
    • 1998-03-18
    • H04M3/36H04Q3/00H04Q3/66
    • H04M3/365H04M3/36H04Q3/0091H04Q3/66H04Q2213/13107H04Q2213/13164H04Q2213/13166H04Q2213/13173H04Q2213/13213H04Q2213/13344H04Q2213/13345H04Q2213/13376H04Q2213/13387
    • In a telecommunications network of the kind including processor controlled switching means (11, 12, 13, 14) and a network intelligence platform (7) an overload control function runs in the network intelligence layer. The overload control function measures the period of time taken to handle a call switching request and if the time taken exceeds a pre-determined quality of service threshold implements a call gapping function. The call gapping function modifies the gapping period such that requests to effect calls to particular destinations are spaced and any call arriving at a switching point (1, 2) prior to expiry of the gap period is automatically rejected by the local control processor. As the overload control function runs in a plurality of nodes, which may be fileservers of the intelligence layer (7), the gapping period returned to the switching is dependent upon the perceived overload at the particular node. Traffic variations at the nodes may result in variations in the gapping period between nodes and therefore each node is arranged to communication with other nodes to determine an average gapping period for the group of nodes and individual gapping periods in the nodes are relaxed towards the average value.
    • 在包括处理器控制的切换装置(11,12,13,14)和网络智能平台(7)的电信网络中,过载控制功能在网络智能层中运行。 过载控制功能测量处理呼叫切换请求所花费的时间,如果超过预定的服务质量阈值,则实现呼叫间隔功能。 呼叫间隔功能修改间隔周期,使得对特定目的地的呼叫的请求是间隔的,并且在间隙周期期满之前到达切换点(1,2)的任何呼叫被本地控制处理器自动拒绝。 由于过载控制功能在可以是智能层(7)的文件服务器的多个节点中运行,返回到切换的间隔周期取决于特定节点处感知到的过载。 节点处的业务变化可能导致节点之间的间隔周期的变化,因此每个节点被布置成与其他节点通信以确定节点组的平均间隔周期,并且节点中的各个间隔周期朝向平均值放宽 。