Service bandwidth determining method in IP network and network device

Abstract

The invention provides a service bandwidth determining method in an IP network and a network device. The port bandwidth resource utilization rate of the network device in the sub system of each level in the IP network is improved. The need that services of different convergence properties are taken in the same port is met. The method comprises the steps that the network device determines the service type of a service which requests the bandwidth resource of a first port and acquires the preset bandwidth convergence ratio corresponding to the service type and the commitment information rate CIR bandwidth corresponding to the service type; and the network device determines the CIR bandwidth of the service in the first port according to the bandwidth convergence ratio and the CIR bandwidth, and distributes reservation bandwidth to the service according to the determined CIR bandwidth of the service in the first port.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method for determining a service bandwidth in an Internet Protocol (Internet Protocol, referred to as IP) network and a network device. Background technique [0002] Such as figure 1 In the IP network architecture shown, in addition to carrying the second generation mobile communication (2ndGeneration, 2G for short), the third generation mobile communication (3rdGeneration, 3G for short), the fourth generation mobile communication (4rdGeneration, 4G for short) network, wireless local area network (WirelessLocalAreaNetworks, referred to as WLAN) and broadband uplink and other services, it also carries services such as enterprise private lines, and each service competes for the bandwidth resources of the IP network to ensure that the service can run. [0003] In order to ensure the quality of service transmission, there are two traditional solutions: [0004] The...

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Problems solved by technology

[0010] The second solution is applicable to the scenario of carrying a single service. If the ports in the access ring, aggregation ring, and core ring carry services with different convergence attributes, the access ring, aggregation ring, and core ring are configured according to 1:1:1. The CIR bandwidth of each service, and the reserved bandwidth of each service is planned according to the convergence ratio of 4G services, which may lead to low bandwidth utilization of each network port

Assuming that 50% of the physical bandwidth of the network ports in the access ring is used as reserved bandwidth, and 67% of the network ports in the aggregation ring are used as reserved bandwidth, the bandwidth utilization of the access ring and aggregation ring is low; assuming that the access ring 100% of the network ports in the central network are used as reserved bandwidth, and the physical bandwidth of the network ports in the aggregation ring and the core ring needs to be increased during planning, which will cause a waste of bandwidth resources of the network ports in the aggregation ring and the core ring

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