Reserved bandwidth allocation method and device for CPS (Cyber Physical System) services

A technology for reserving bandwidth and physical systems, applied in the field of communication

Inactive Publication Date: 2018-09-07
NAT UNIV OF DEFENSE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

How to dynamically determine reserved bandwidth allocation in a CCPS environment remains a major challenge to improve the performance of satisfying multiple CPS service demands

Method used

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  • Reserved bandwidth allocation method and device for CPS (Cyber Physical System) services
  • Reserved bandwidth allocation method and device for CPS (Cyber Physical System) services
  • Reserved bandwidth allocation method and device for CPS (Cyber Physical System) services

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0048] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0049] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that when an element is referred to as being "connected" or "coupled" to another el...

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Abstract

The invention discloses a reserved bandwidth allocation method and device for CPS (Cyber Physical System) services. The method comprises the steps of: for a service r in CPS services, according to a total cost minimization strategy composed of the emergency cost, the quality of service QoS loss and the operation cost, determining N<r>(t) and the bandwidth amount planned for maintaining the servicer in the time slot t by all kinds of cloud platforms; and, according to the determined N<r>(t) and bandwidth amount planned for maintaining the service r in the time slot t by all kinds of cloud platforms, performing reserved bandwidth allocation of the CPS services in the time slot t, wherein N<r>(t) is the bandwidth amount planned for maintaining the service r in the time slot t. By applicationof the reserved bandwidth allocation method and device for the CPS services disclosed by the invention, for specific requirements of multiple CPS services in a CCPS environment, an optimized reservedbandwidth allocation strategy is provided for satisfying requirements of multiple CPS services; influence of the difference among the operation cost, a service level agreement (SLA) and the actual delivered bandwidth is reduced; and simultaneously, the basic QoS level is kept.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for allocating reserved bandwidth for network physical system services. Background technique [0002] Cyber-physical system (CPS) is a new type of contextual environment system, which represents the development direction of next-generation computing systems. However, with the requirement of flexibility, the emergence of big data and complex hybrid architectures, cyber-physical systems also need to use cloud computing as a scalable and cost-effective assistant. Cloud-integrated CPS (CCPS) refers to the virtual representation of physical system components, such as sensors, actuators, robots, and other devices in the cloud, and can process large amounts of data collected from physical components in the cloud in a scalable, real-time, and efficient manner a reliable way. [0003] For multiple CPS services in CCPS, reserved bandwidth allocation is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/911
CPCH04L47/72H04L47/783
Inventor 包卫东朱晓敏吴冠霖周文张耀鸿韩浩然陈俊杰杨骋王吉陈超马力
Owner NAT UNIV OF DEFENSE TECH
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