A control method and system for eliminating inconsistent routes between domains

Abstract

The invention discloses a control method and system for eliminating inconsistency routes between domains. The method includes obtaining information from an entry or exit switch of an upstream autonomous domain; constructing a new route for the message in the autonomous domain, and feeding back the new route to The upstream autonomous domain; the upstream autonomous domain checks the new route and generates a flow entry corresponding to the new route; sends the flow entry to the switch appearing in the new route to lock the inter-domain routing path, which can effectively Eliminate the problem of inconsistencies in routing paths between autonomous domains, and construct new routes through the downstream autonomous domains based on upstream data flows. The new routes not only take into account the impact of the new routes on the autonomy of the autonomous domains, but also ensure that the new routes will not cause large routing problems. Oscillation can better reflect the inter-domain routing relationship and has a good application prospect.

Description

technical field [0001] The invention relates to the technical field of computer networks, in particular to a control method for eliminating inconsistent routes between domains. Background technique [0002] In recent years, researchers have proposed a new network architecture, Software-Defined Networking (SDN). SDN separates the network configuration plane from the embedded nodes, replaces the traditional system-based embedded control plane with an open software mode control plane, and automatically controls the entire network by a software-driven central control node. Compared with the traditional network architecture, it becomes easier to introduce new methods into the network in the form of software, and at the same time, it becomes easier to modify and operate corresponding configurations among thousands of devices. [0003] In a wide-area high-performance computing network, the transmission of information between autonomous systems is carried out by a selected path, an...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the invention is to overcome the inconsistency between the inter-domain routing announcement and the actual forwarding path in the BGP protocol that cannot be solved in the prior art

The control method and system for eliminating inconsistent routing paths between domains of the present invention can effectively eliminate the problem of inconsistent routing paths between autonomous domains, and deploy a routing monitor in each autonomous domain of a wide area network, so that the upstream autonomous domain of the current autonomous domain can be Forwarding rules are set for the sent data flow, so as to solve the problem of inconsistency in inter-domain routing, which can better reflect the inter-domain routing relationship, and has a good application prospect

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