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相关概念视频

Pilot and Numeric Relaying01:21

Pilot and Numeric Relaying

102
Pilot relaying is a type of differential protection used in power systems. It compares electrical quantities at the terminals of equipment via a communication channel instead of direct relay interconnection. This method is essential for transmission lines where the terminals are far apart, typically up to 80 km for lines with 69 to 115 kV ratings. Four types of communication channels are used for pilot relaying:
102
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

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Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
1.3K
Legal Guidelines for Documentation01:06

Legal Guidelines for Documentation

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The legal guidelines for nursing documentation are essential for ensuring accurate, professional, and ethical recording of patient care. The guidelines are discussed here:
1.3K
Zones of Protection01:16

Zones of Protection

225
In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
225
IP3/DAG Signaling Pathway01:11

IP3/DAG Signaling Pathway

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Membrane lipids such as phosphatidylinositol (PI) are precursors for several membrane-bound and soluble second messengers. Specific kinases phosphorylate PI and produce phosphorylated inositol phospholipids. One such inositol phospholipids are the  phosphatidylinositol-4,5 bisphosphate [PI(4,5)P2], present in the inner half of the lipid bilayer. Upon ligand binding, GPCR stimulates Gq proteins to turn on phospholipase Cꞵ. Activated phospholipase Cꞵ cleaves PI(4,5)P2 and...
12.2K
Interpersonal Psychotherapy01:25

Interpersonal Psychotherapy

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Interpersonal psychotherapy (IPT) is a structured, time-limited therapeutic approach initially developed to treat depression. It integrates key concepts from psychodynamic, humanistic, and cognitive-behavioral therapies, making it a uniquely eclectic framework. The therapy is rooted in the interpersonal theories of Adolph Meyer and Harry Stack Sullivan, as well as John Bowlby's attachment theory, and focuses on the interplay between interpersonal relationships and emotional well-being.
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相关实验视频

Updated: Jul 20, 2025

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
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Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

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通过身份验证票保护 SOME/IP 通信.

Seulhui Lee1, Wonsuk Choi1, Dong Hoon Lee1

  • 1School of Cybersecurity, Korea University, Seoul 02841, Republic of Korea.

Sensors (Basel, Switzerland)
|July 29, 2023
PubMed
概括

本研究介绍了AUTOSAR中SOME/IP通信的安全方法,使用身份验证服务器和门票来防止中间人攻击,确保可靠和可扩展的汽车数据交换.

科学领域:

  • 汽车工程 汽车工程
  • 网络安全 网络安全
  • 嵌入式系统 嵌入式系统

背景情况:

  • 可扩展服务导向的IP (SOME/IP) 上的MiddlewarE是AUTOSAR用于汽车以太网通信的标准协议.
  • 现有的 SOME/IP 实现缺乏安全性,使其易受中间人攻击 (MITM) 的攻击.
  • 研究强调了 SOME/IP 协议中的重大安全漏洞.

研究的目的:

  • 为 SOME/IP 通信提出一个强大的安全方法.
  • 为了减轻SOME/IP中普遍存在的中间人 (MITM) 攻击.
  • 确保汽车系统中安全可靠的数据交换.

主要方法:

  • 实施一个认证服务器 (AS) 发行门票.
  • 使用ticket来验证和授权节点之间的SOME/IP通信.
  • 设计一个轻量级和可扩展的安全解决方案,兼容现有的 SOME/IP.

主要成果:

  • 拟议的方法通过身份验证通信有效地减轻了 SOME/IP MITM 攻击.
  • 在提供服务和消费节点之间通过AS发行的tickets实现可靠的数据传输.
  • 该解决方案证明了运营效率,可扩展性和新鲜度的保证.
关键词:
一些/IP 项目验证证人的身份证明票.汽车以太网汽车以太网车载网络车载网络车载网络安全的安全的安全的安全的安全.

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相关实验视频

Last Updated: Jul 20, 2025

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

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结论:

  • 认证服务器和基于票的方法为SOME/IP提供了可行的安全增强.
  • 这种方法为AUTOSAR内部的汽车以太网通信提供了切实可行的解决方案.
  • 拟议的保护方法确保了互操作性,同时提高了SOME/IP的安全性.