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相关概念视频

Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

645
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
645
Distributed Loads01:19

Distributed Loads

533
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
533
Frost Resistant Concrete01:29

Frost Resistant Concrete

77
Concrete's susceptibility to frost damage during freeze-thaw cycles demands strategic measures to enhance its frost resistance. Employing techniques like air entrainment, adjusting the water-cement ratio, proper curing, and selecting appropriate aggregates are essential.
Introducing microscopic air bubbles into the concrete mix through air entrainment creates small voids that accommodate ice expansion, thereby reducing internal pressures and preventing cracking. The optimal amount of...
77
Distribution Reliability and Automation01:25

Distribution Reliability and Automation

107
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
107
Segregation in Fresh Concrete01:16

Segregation in Fresh Concrete

120
Segregation in fresh concrete is a phenomenon where the components of the concrete mix separate, leading to uneven distribution and compromised structural integrity. This separation typically occurs when concrete is subjected to excessive horizontal movement within forms, or when it is dropped from considerable heights or forced through narrow, winding paths. As a result, heavier coarse aggregate particles settle at the bottom, while lighter, finer materials such as cement and water rise to the...
120
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

191
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
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相关实验视频

Updated: Jun 27, 2025

Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem
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基于区块链的基础设施安全解决方案,用于无服务器联盟雾和边缘计算.

Abdullah Ayub Khan1,2, Asif Ali Laghari3, Abdullah M Baqasah4

  • 1Department of Computer Science, Benazir Bhutto Shaheed University Lyari, Karachi, Sindh, Pakistan.

PeerJ. Computer science
|April 25, 2024
PubMed
概括
此摘要是机器生成的。

这项研究审查了用于雾和边缘计算的区块链Hyperledger,并提出了用于安全,外包计算的新架构. 它增强了无服务器网络中的数据完整性,透明度和隐私.

关键词:
区块链的超级分类账.链代码 (智能合约) 链代码数据管理数据管理边缘计算是一种边缘计算.雾计算的计算方法外包计算的计算外包.

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相关实验视频

Last Updated: Jun 27, 2025

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科学领域:

  • 计算机科学 计算机科学
  • 分布式系统 分布式系统
  • 网络安全 网络安全

背景情况:

  • 物联网 (IoT) 设备和雾计算的扩散需要先进的边缘计算解决方案.
  • 现有的范式努力优化服务质量 (QoS),同时确保账本安全和隐私.
  • 由于设备销量和利用率的增加,对具有协作程序的边缘计算的需求正在增加.

研究的目的:

  • 系统地审查区块链Hyperledger在实现外包计算的雾和边缘计算方面的作用.
  • 为了对边缘分布式计算和外包计算在雾和边缘环境中的最新研究进行分类.
  • 为无服务器边缘基于分布式外包计算提出了一个新的区块链-Hyperledger Sawtooth-enabled架构.

主要方法:

  • 进行了对最近关于边缘分布式计算和外包计算的文章和调查报告的系统审查.
  • 开发了一个集成区块链Hyperledger Sawtooth的理论架构,用于无服务器边缘计算.
  • 与当前系统对拟议架构的安全和隐私功能进行了分析.

主要成果:

  • 拟议的架构提供了强大的数据安全性,包括完整性,透明度和来源.
  • 不变的存储确保了外包计算分类账的隐私保护.
  • 该架构可以无地集成到无服务器联盟网络环境中,用于外包计算.

结论:

  • 区块链超级账本提供了一个可行的框架,用于在边缘和雾计算环境中增强安全性和隐私.
  • 拟议的架构解决了边缘分布式外包计算的关键挑战.
  • 需要进一步的研究来探索未解决的问题和未来进步的局限性.