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A data center network load balancing method

A data center network, load balancing technology, applied in transmission systems, electrical components, etc., can solve problems such as aggravating load pressure

Active Publication Date: 2022-05-13
CLUSTAR TECH LO LTD
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Problems solved by technology

However, objectively speaking, let’s not discuss the accuracy of its path perception for the time being. It is only adaptive load balancing, which is essentially the regulation of packet sending speed. This is a passive response that can only avoid further aggravation of existing congestion. The load pressure of the path cannot fundamentally solve the problems caused by the congestion and failure that have occurred

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  • A data center network load balancing method
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  • A data center network load balancing method

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Embodiment Construction

[0041] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are only part 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 creative efforts shall fall within the protection scope of the present invention.

[0042] figure 1 It is a schematic diagram of a Clos network with a leaf-spine topology, which can provide multiple paths for each pair of host terminals in the network. Therefore, it is extremely necessary to use this network to transmit data in parallel and achieve strict traffic load balancing. However, when the data center is running, not to mention the inevitable failure of individual switches, routers and other equipment in the network system, the traf...

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Abstract

The present invention provides a method for load balancing of a data center network, which evaluates path status (mainly path congestion and failure) through comprehensive perception, and makes targeted load balancing based on this, that is, uses the path congestion and failure information obtained through perception, Combined with flow state information, under the guidance of the above two, timely and cautious routing / rerouting is performed with packets as the smallest switchable granularity, so as to deal with uncertain factors such as dynamic traffic transmission, topology asymmetry, and equipment failure in the data center network Challenges to load balancing. The present invention also provides a load balancing system based on the method deployed on a host terminal in a data center, and a data center network system composed of host terminals deployed with the system.

Description

technical field [0001] The present invention relates to the technical field of traffic load balancing in a data center network; in particular, it relates to a data center network load balancing method, a load balancing system based on the method, and a data center network system. Background technique [0002] Datacenter network refers to the network applied in the data center; the data center network connects a certain number of servers through network devices such as switches and routers to form a server network with high bandwidth, high reliability and load balancing , which can provide services such as computing and storage to the outside world. [0003] In order to meet the requirements of large-scale, high scalability, and high robustness, the data center network usually adopts the Clos network, which is a multi-rooted tree structure (Multi-rooted trees), such as fat tree topology (Fat tree), leaf Spine topology (Leaf-spine). Such as figure 1 As shown, the above stru...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L47/125
CPCH04L47/125
Inventor 张弘张骏雪
Owner CLUSTAR TECH LO LTD
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