Distributed flow regulation method and device
A flow regulation and distributed technology, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve problems such as poor real-time performance
Active Publication Date: 2021-03-23
HUAWEI TECH CO LTD
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Problems solved by technology
[0005] In view of this, this application provides a distributed flow regulation method to solve the technical problem of poor real-time performance of existing flow regulation methods
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[0032] The technical solution provided by this application is applicable to a communication network with multiple paths, and the communication network may be the entire network or a partial part of the network. Regardless of whether it is the entire network or a partial network, in the application scenario of this application, it is collectively referred to as a traffic management domain, or further simply referred to as a traffic domain.
[0033] For small and medium-sized networks such as enterprise networks and data center networks, the entire network can be directly regarded as a traffic domain; for large-scale networks such as wide area networks, a part of the entire network can be divided as a traffic domain according to the autonomous domain of the routing protocol (global Internet composition Many autonomous domains, operators, institutions and even companies can apply for autonomous domain numbers); or, the traffic domain can also choose a smaller range according to ac...
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The invention relates to the technical field of flow control, and especially relates to the technology of distributed flow adjustment in network communication. In a distributed flow adjustment method, each node (except an entrance node) in a flow domain can calculate a node load measurement value and transmits the value to an upstream side, and each node (except an exit node) in the flow domain can carry out the independent distributed flow adjustment of a data flow passing through the node according to the congestion state of a downstream network, wherein there is no need of the collection of the congestion state of the whole network in the process for adjustment, so the real-time performance is better. Meanwhile, a final result of the independent and distributed adjustment of all nodes in the flow domain can achieve the flow balancing of the whole network, but the size of information transmitted through a network is very small, thereby hardly increasing any network load. In addition, the invention also provides a distributed flow adjustment device which is used for guaranteeing the application and implementation of the method in reality.
Description
technical field [0001] The present application relates to the technical field of flow control, and more specifically, to the distributed flow adjustment technology. Background technique [0002] In network communication, there are usually multiple possible paths for data flow from one location to another. Therefore, data flow can be allocated to multiple possible paths to improve the utilization of network resources. [0003] In order to avoid the situation that individual paths are congested while other paths are idle, it is necessary to regulate the traffic of each path and even the link. An existing flow adjustment method is to collect network congestion status information to a certain server, and perform unified calculations on the server, and the server sends flow adjustment instructions to each node according to the calculation results. [0004] However, this adjustment method needs to collect the congestion status of the entire network before adjustment can be perfor...
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IPC IPC(8): H04L12/803H04L12/801
CPCH04L47/125H04L47/17
Inventor 龚志波
Owner HUAWEI TECH CO LTD