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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.
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Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
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Towards Double Defense Network Security Based on Multi-Identifier Network Architecture.

Yunmin Wang1, Abla Smahi1, Huayu Zhang2

  • 1School of Electronic and Computer Engineering, Peking University, Shenzhen 518055, China.

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|February 15, 2022
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Summary
This summary is machine-generated.

This study introduces a novel Double Defense strategy with Endogenous Safety and Security (DDESS) for enhanced network security. DDESS provides active, immune-like herd defense against evolving cyber threats.

Keywords:
double defenseimmunologynetwork securitysituation awarenesszero trust

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Network Architecture

Background:

  • Increasing mobile device connectivity leads to complex internet environments and persistent security incidents.
  • Traditional passive network defense measures are insufficient to meet modern security demands.

Purpose of the Study:

  • To design and prototype a Double Defense strategy with Endogenous Safety and Security (DDESS) for robust network protection.
  • To address the security limitations of traditional IP networks by implementing a zero-trust model.

Main Methods:

  • Developed a Double Defense strategy with Endogenous Safety and Security (DDESS) based on multi-identifier network (MIN) architecture.
  • Implemented a zero-trust network model with identity authentication as the core access control mechanism.
  • Integrated static security measures including encryption/decryption, consortium blockchain, trusted computing whitelist, and remote attestation.
  • Utilized dynamic data traffic and access log collection for situation awareness and predictive analysis.

Main Results:

  • DDESS effectively solves security problems inherent in traditional IP networks.
  • Achieved individual static security defense through a combination of advanced security strategies.
  • Enabled network security situation awareness and the development of 'immune vaccines' for unknown threats.

Conclusions:

  • DDESS provides a proactive and adaptive network security solution.
  • The strategy offers active herd defense capabilities, mimicking biological immune systems for enhanced cybersecurity.
  • This approach significantly improves security against a complex and evolving threat landscape.