公开(公告)号：US20030016808A1

公开(公告)日：2003-01-23

申请号：US09745525

申请日：2000-12-26

Applicant: NORTEL NETWORKS LIMITED

Inventor： Qingwen Hu ,  Michael L. Aalders ,  Darek R. Skalecki

IPC: H04M007/00 ,  H04L012/28

CPC classification number: H04M3/2263 ,  H04L45/10 ,  H04L45/22 ,  H04M7/0096

Abstract: Dynamic adaptation of connection-oriented networks is introduced wherein, once congestion is encountered, dynamic adaptation steps may be performed. Four adaptation steps are proposed for reacting to various network congestion scenarios. It is further recommended that the steps are performed in a particular order such that the higher severity and longer sustentation of the network congestion the more strict step is performed to alleviate the network congestion. At a switch in the connection-oriented network, utilization of a trunk carried on a link connected to the switch is monitored and, if said utilization of said trunk exceeds a first threshold, a first degree of adaptation is initialized wherein use of the trunk by further connections is prevented. Subsequent degrees of adaptation are triggered when high utilization continues and surpasses higher thresholds. The subsequent degrees of adaptation involve rerouting connections that make use of the trunk.

Abstract translation: 引入面向连接的网络的动态适配，其中一旦遇到拥塞，可以执行动态适应步骤。 提出了四种适应步骤来对各种网络拥塞场景做出反应。 还建议以特定的顺序执行这些步骤，使得网络拥塞的较高的严重性和较长的维持进行更严格的步骤来减轻网络拥塞。 在面向连接的网络中的交换机处，监视与连接到交换机的链路上携带的中继线的利用率，并且如果所述中继线的所述利用超过第一阈值，则初始化第一自适应度，其中，通过 防止进一步的连接。 当高利用率持续并超过更高的阈值时，随后的适应度被触发。 随后的适应度涉及重新路由使用中继线的连接。