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Method for selecting routing in CLOS switch network and routing select device

A technology for selecting devices and switching networks, applied in the field of communication, can solve problems such as unfavorable equipment usage, unbalanced selection of intermediate switching units, unbalanced services, etc., and achieve the effects of improving work efficiency, optimizing routing selection, and balancing services

Active Publication Date: 2008-02-06
日照市东港区水务集团有限公司
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  • Application Information

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Problems solved by technology

[0008] However, when selecting an intermediate-level switching unit, there may be multiple switching units that meet the above-mentioned path requirements. If you randomly select among multiple switching units that meet the path requirements, it will be chaotic; , it will cause the small number switching unit to have heavy tasks and the large number switching unit to be idle, which is not conducive to the use of equipment
[0009] The inventor found in the process

Method used

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  • Method for selecting routing in CLOS switch network and routing select device
  • Method for selecting routing in CLOS switch network and routing select device
  • Method for selecting routing in CLOS switch network and routing select device

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Example

[0073] Implementing the third embodiment of the method for selecting a route in the CLOS switching network of the present invention as shown in FIG. 7 has the following advantages:

[0074] First, the number of the input and output ports on the intermediate-level switching unit can be used to quantify the number of available routes, and the intermediate-level routing selection can be optimized with the quantized index F, so that the services in each part of the system tend to be balanced and the system work efficiency is improved.

[0075] Secondly, the available routes provided by some intermediate stages are proposed as alternative routes for the current service, so that the above method does not need to be adopted for all the available routes provided by the intermediate stages to carry the current service, which improves the system screening efficiency;

[0076] Finally, in order to avoid the occurrence of at least two proposed routes with the above-mentioned maximum F valu...

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Abstract

The present invention discloses a method used in CLOS exchanging network and can realize the following functions: after acquiring a router group that is provided by an intermediate step and can carry present work between an input stage unit and an output stage unit, determining a router that can carry the present work between the input stage exchanging unit and the output stage exchanging unit in the router group according to the router capability of each router and the router capability of the subsequent work of the intermediate step to the input stage exchanging unit and the output stage exchanging unit. The present invention also discloses a router selecting device. The present invention can optimize the intermediate step router selection, making various works in the system tend to be balanced thus can improve the working efficiency of the system and the invention is easy for operating.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for selecting a route in a CLOS switching network and a route selection device. Background technique [0002] The original CLOS switching network is a theoretical strictly non-blocking multi-level interconnection network, which was proposed by Charles Clos in 1953. CLOS switching network has received extensive attention because it is widely used in communication networks and multiprocessor computer systems. The CLOS switching network is composed of multiple switching units (also known as integrated units), and each switching unit contains n input ports and m output ports (m>1, n>1, if m=n, it is a symmetrical CLOS switching network). There is one and only one connection for use from any previous stage to any central stage, and likewise, there is one and only one connection for use between any central stage and the rear stage. As shown in Figure 1, there is only one con...

Claims

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Application Information

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IPC IPC(8): H04Q3/52H04Q11/00
Inventor 徐福红
Owner 日照市东港区水务集团有限公司
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