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A load balancing method, system and device

A load balancing and algorithm technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problems of wasting network port 2 resources and transmitting a large amount of video data.

Active Publication Date: 2020-10-20
ZHEJIANG UNIVIEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, in the above method, network port 1 needs to transmit a large amount of video data, and at the same time, the resources of network port 2 are wasted

Method used

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  • A load balancing method, system and device
  • A load balancing method, system and device
  • A load balancing method, system and device

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Embodiment Construction

[0042] The terminology used in this application is for the purpose of describing specific embodiments only, not to limit the application. As used in this application and the claims, the singular forms "a", "the" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

[0043] It should be understood that although the terms first, second, third, etc. may be used in this application to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present application, first information may also be called second information, and similarly, second information may also be called first information. Dependin...

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Abstract

The invention provides a method, a system and a device for load balancing. The method comprises steps: when a destination storage device receives a connection request from a source storage device forwarded by a network device through a first network interface, whether data borne by the first network interface and data borne by other network interfaces achieve load balancing is judged; if not, the destination storage device refuses to build connection with the source storage device, a notification message is sent to the source storage device through the network device, the source storage device modifies HASH parameters in the connection request, and the modified connection request is sent again to the destination storage device through the network device; and if yes, the destination storage device builds connection with the source storage device through the first network interface, and data from the source storage device and forwarded by the network device are received through the first network interface. Through the technical scheme of the invention, the problem of the unbalanced HASH processing result can be avoided, data packet loss is reduced, traffic overload of a certain network interface is avoided, and waste of network interface resources is avoided.

Description

technical field [0001] The present application relates to the field of video surveillance, and in particular to a load balancing method, system and device. Background technique [0002] Such as figure 1 As shown in , it is a network diagram of the video surveillance system. In a video surveillance system, front-end devices (such as network cameras, analog cameras, etc.) collect video data and send the video data to network devices. The network device sends the video data to each storage device (also referred to as a storage node), and the storage device stores the video data received by itself. Among them, after the network device receives the video data from the front-end device, it can use the HASH (hash) algorithm to perform HASH processing on the video data, and send the video data to a certain storage device based on the HASH processing result. The video data of 1 is sent to the storage device 1, and the video data from the front-end device 2 is sent to the storage d...

Claims

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Application Information

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IPC IPC(8): H04L12/803H04L29/08H04L29/12
CPCH04L47/125H04L49/253H04L61/103
Inventor 杜超华
Owner ZHEJIANG UNIVIEW TECH CO LTD
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