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Blended data center networking and routing method based on visible light communication

A technology of visible light communication and mixed data, which is applied in the direction of data exchange network, digital transmission system, free space transmission, etc., can solve the problems of high expansion cost and poor flexibility of wired data centers, and achieve the effect of improving network flexibility

Active Publication Date: 2016-06-01
NAT UNIV OF DEFENSE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The result is that two servers belonging to different racks must use upper-layer links to communicate even if they are physically close
[0004] There is no effective solution to the problems of high cost and poor flexibility of wired data center expansion in the prior art

Method used

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  • Blended data center networking and routing method based on visible light communication
  • Blended data center networking and routing method based on visible light communication
  • Blended data center networking and routing method based on visible light communication

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Embodiment Construction

[0053] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be further clearly, completely and detailedly described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0054] In order to reduce the cost of expanding the existing wired data center and increase network flexibility, some rack-level wireless data center network structures have been proposed. like figure 2 As shown in Fig. 1, the racks in the network are connected together through wireless links, and the signals between different racks are reflected to the target mac...

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Abstract

The invention discloses a blended data center networking and routing method based on visible light communication. The method comprises steps of establishing or keeping wired Fat-Tree structures among multiple racks in a wired data central network system; networking the racks in the Fat-Tree structures into wireless 2D-Torus structures with multiple pod layers; and calculating routing a Path h between any rack pairs according to the pod layers of the 2D-Torus structures and the wired Fat-Tree structures. According to the invention, by coupling networked wireless 2D-Torus structures with the wired Fat-Tree rack structures and using the mixed structure as a whole to work, on the premise that existing devices and layouts of a wired data center are not changed, a cross-rack wireless connection without any control is established, so a wired data center is greatly expanded in low cost and flexibility of the network is improved.

Description

technical field [0001] The present invention relates to the field of hybrid communication, in particular, to a hybrid data center networking and routing method based on visible light communication. Background technique [0002] Data centers are the infrastructure for online applications and basic services. Thousands of servers and switches are interconnected through a data center network (DCN, datacenter network). The current data center network includes two main schools, namely wired data center and wireless data center. The networking of servers and switches in a wired data center relies on wired links, such as twisted-pair cables and optical fibers. Fat-Tree and VL2 belong to this category; the internal networking of the wireless data center is mainly realized by wireless communication links, either interconnecting the racks into a wireless network, or connecting all servers and switches into a fully wireless network structure. [0003] Wired data center networks have ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/733H04B10/116H04L45/122
CPCH04B10/116H04L45/122
Inventor 郭得科罗来龙任棒棒苑博刘云飞
Owner NAT UNIV OF DEFENSE TECH
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