End-to-end quality assurance method and system based on congestion alarm

Abstract

The present invention discloses a congestion pre warning-based end-to-end quality assurance method, which comprises the following steps: the guaranteed message carries the information of the experienced forward events, and an access label edge router operates the resources management according to the information. The present invention provides a dynamic resource management and controlling proposal, which can realize the dynamic resources reservation based on the flow, and make the edge-to-edge flow be capable of sharing the resources on the link, to improve the utilization ratio of the link. The present invention is a method and the corresponding system of realizing the resources reservation and the access control based on the congestion pre warning, without complex manual intervention being needed, the ability of network resources reservation dynamically changes in accordance with the actual carrying capacity of the network segment, and thereby, the robustness of the network and the timeliness of the access controlling can be improved.

Description

technical field [0001] The invention relates to an end-to-end quality assurance method and system based on congestion early warning. Background technique [0002] In the current network, end-to-end quality assurance is a hot research topic at present. Currently, end-to-end resource reservation protocols are realized, including RSVP (Resource Reservation Protocol, resource reservation protocol) and NSIS (Next Steps in Signaling, next-generation signaling protocol), which is about to be completed. We know that RSVP is not suitable for large-scale networks, but from the perspective of RSVP, a network segment (a network or network segment that implements differentiated services) can be regarded as an RSVP-enabled network node, so that RSVP is implemented on the end-to-end path agreement becomes possible. [0003] At present, there are many guarantee methods for end-to-end performance, and one of the better solutions is to run RSVP protocol based on MPLS (Multiprotocal Label Sw...

AI Technical Summary

Problems solved by technology

Specifically, if there are n gateways in a network segment, if all edge-to-edge resource reservations are to be realized, resources need to be reserved for N×(N-1) / 2 paths in total. When adding a gateway, it is necessary to increase the resource reservation of N paths, which is a great waste of resources, which is the so-called N 2 problem, the technical solution of the present invention does not have this problem

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