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Method, device and system for measuring network paths

A network path and path technology, applied in the network field, can solve problems such as the inaccuracy of network path measurement methods

Active Publication Date: 2020-08-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the network path measurement method based on the step-by-step backpressure method is not accurate enough

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  • Method, device and system for measuring network paths
  • Method, device and system for measuring network paths
  • Method, device and system for measuring network paths

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Embodiment Construction

[0045] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0046] It should be noted that the bandwidth in this embodiment of the present invention may be represented by an absolute bandwidth value, or may be represented by a quantized value. For example, the bandwidth may be represented by bit / second (bit / s, that is, bps), or may be represented by a bandwidth quantization value, and the embodiment of the...

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Abstract

A method, device and system for measuring network paths can improve the efficiency of measuring network paths. Including: the first switching node in the CLOS switching network obtains the first aggregated available bandwidth of the path from the first switching node to the second switching node; the first switching node obtains the first target port of the third switching node to the first switching node. the first available bandwidth of the path, the third switching node is the next-level switching node connected to the first switching node; the first switching node obtains the second available bandwidth of the path from the second switching node to the fourth switching node, and the fourth switching node The node is a next-level switching node connected to the second switching node; the first switching node determines the second aggregated available bandwidth of the path from the first target port of the third switching node to the fourth switching node, and the second aggregated available bandwidth is the first An aggregate available bandwidth, the smallest available bandwidth among the first available bandwidth and the second available bandwidth.

Description

technical field [0001] The present invention relates to the field of network technology, in particular to a method, device and system for measuring network paths. Background technique [0002] With the development of cloud computing, data centers are deployed in large numbers. The CLOS switching network is a special multi-level interconnection network. Due to its high performance and high scalability, the multi-level CLOS switching network is gradually becoming the mainstream architecture of the data center network. For example, figure 1 and figure 2 The schematic diagrams of two different levels of CLOS switching networks are given respectively: Spine-Leaf switching network and Fat-Tree switching network. in, figure 1 and figure 2 The circles in the figure represent computing nodes, the rectangles represent switching nodes, and the straight lines represent links between nodes. [0003] Such as figure 1 or figure 2 As shown, in the multi-level CLOS switching netw...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/933H04L12/26H04L12/24H04L47/6275H04L47/762
CPCH04L43/0882H04L49/1515H04L47/11H04L47/12H04L47/762H04L47/822H04L49/506
Inventor 胡农达向海洲涂伯颜
Owner HUAWEI TECH CO LTD