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Innovative soft computing-enabled cloud optimization for next-generation IoT in digital twins

Feng, Hailin (author)
Qiao, Liang (author)
Lv, Zhihan, Dr. 1984- (author)
Uppsala universitet,Institutionen för speldesign
 (creator_code:org_t)
Elsevier, 2023
2023
English.
In: Applied Soft Computing. - : Elsevier. - 1568-4946 .- 1872-9681. ; 136
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The research aims to reduce the network resource pressure on cloud centers (CC) and edge nodes, to improve the service quality and to optimize the network performance. In addition, it studies and designs a kind of edge–cloud collaboration framework based on the Internet of Things (IoT). First, raspberry pi (RP) card working machines are utilized as the working nodes, and a kind of edge–cloud collaboration framework is designed for edge computing. The framework consists mainly of three layers, including edge RP (ERP), monitoring & scheduling RP (MSRP), and CC. Among the three layers, collaborative communication can be realized between RPs and between RPs and CCs. Second, a kind of edge–cloud​ matching algorithm is proposed in the time delay constraint scenario. The research results obtained by actual task assignments demonstrate that the task time delay in face recognition on edge–cloud collaboration mode is the least among the three working modes, including edge only, CC only, and edge–CC collaboration modes, reaching only 12 s. Compared with that of CC running alone, the identification results of the framework rates on edge–cloud collaboration and CC modes are both more fluent than those on edge mode only, and real-time object detection can be realized. The total energy consumption of the unloading execution by system users continuously decreases with the increase in the number of users. It is assumed that the number of pieces of equipment in systems is 150, and the energy-saving rate of systems is affected by the frequency of task generation. The frequency of task generation increases with the corresponding reduction in the energy-saving rate of systems. Based on object detection as an example, the system energy consumption is decreased from 18 W to 16 W after the assignment of algorithms. The included framework improves the resource utility rate and reduces system energy consumption. In addition, it provides theoretical and practical references for the implementation of the edge–cloud collaboration framework.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Datorsystem (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Computer Systems (hsv//eng)
NATURVETENSKAP  -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)
NATURAL SCIENCES  -- Computer and Information Sciences -- Computer Sciences (hsv//eng)

Keyword

Cloud optimization
Edge computing
Edge–cloud collaboration
Internet of things
Energy conservation
Energy utilization
Face recognition
Object detection
Soft computing
Time delay
Unloading
Collaboration framework
Collaboration modes
Edge clouds
Objects detection
Optimisations
Three-layer
Time-delays

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ref (subject category)
art (subject category)

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Feng, Hailin
Qiao, Liang
Lv, Zhihan, Dr. ...
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ENGINEERING AND TECHNOLOGY
ENGINEERING AND ...
and Electrical Engin ...
and Computer Systems
NATURAL SCIENCES
NATURAL SCIENCES
and Computer and Inf ...
and Computer Science ...
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Applied Soft Com ...
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