Determination method for data streams and controller

A determination method and data flow technology, applied in the field of communications, can solve the problems of reducing the efficiency of data flow determination and long time.

Active Publication Date: 2017-07-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the above method needs to transmit a large number of packets to determine the data flow that can pass on each path, and it takes a long time to transmit a large number of packets, so that the efficiency of determining the data flow that can pass on the path is reduced

Method used

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  • Determination method for data streams and controller
  • Determination method for data streams and controller
  • Determination method for data streams and controller

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] The embodiment of the present invention discloses a method for determining a data flow and a controller, which are used to improve the efficiency of determining the data flow that can pass on a path. Each will be described in detail below.

[0028] In order to better understand a method for determining a data flow and a controller disclosed in the embodiments of the present invention, the network architecture used in the embodiments of the ...

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Abstract

The invention discloses a determination method for data streams and a controller. The method is applied to the controller for managing at least one network device. Each network device communicates with other network devices through adoption of an ECMP (Equal-Cost Multi-Path Routing) technology. The method comprises the steps of for each network device, obtaining the data streams passing through the network device; calculating an outcoming interface number of each data stream on the network device according to a source IP address, a source port number, a destination IP address and a destination port number of each data stream; determining an interface identifier of each outcoming interface number on the network device; determining data stream sets corresponding to the interface identifiers of all network devices on a target path, wherein the target path is any path of all paths passing through the at least one network device; and calculating an intersection of the data stream sets corresponding to the interface identifiers of all network devices on the target path, thereby obtaining the data stream sets capable of passing through the target path. Through application of the embodiment of the invention, the determining efficiency of the data streams capable of passing through the target path is improved.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method for determining a data flow and a controller. Background technique [0002] In traditional routing technology, when there are multiple links between two network devices, only one of the links can transmit packets, and the other links are in backup or invalid state, which limits the bandwidth of packet transmission. In order to solve the above problems, the industry has proposed an equal-cost multi-path (English: equal-cost multi-path routing, ECMP for short) routing technology. In this routing technology, there may be multiple different links between two network devices, and the same Multiple packets of a data stream are transmitted between two network devices through different links, and the data streams that can be transmitted on different links between two network devices may be different. For example, link 1 can transmit data stream 1 and data Stream 2, link 2...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L12/815H04L12/851H04L12/863H04L47/22
CPCH04L43/0817H04L47/22H04L47/24H04L47/50
Inventor 张震伟郑明宋伟
Owner HUAWEI TECH CO LTD
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