Congestion avoidance on communications networks

摘要: An interface (12, 14, or 16) in a service-provider network's transit label-switching router (P2) employs resource-management messages to inform neighbor routers of the bandwidths that it can allocate various routes supports. To its available bandwidth, weight value set for route by an ingress (PE2) system which belongs. The treats as relative bandwidth: when sum requested exceeds bandwidth available, sets at least some accordance with ratio given route's weights assigned all among divides this manner. That is, assigns such routes, regardless how small resultant may be. In way, network operate virtually no packet loss and yet remain customers.