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Network resilience

(also network redundancy)

Network resilience definition

Network resilience pertains to the capacity of a network to uphold its performance and functionality when faced with unforeseen incidents like cyberattacks, acts of nature, or equipment malfunctions. A robust network can bounce back from interruptions swiftly, reducing downtime and lessening the adverse effects on its users. The foundation of network resilience lies in solid design concepts, duplicated systems, and efficient tracking and administration mechanisms.

See also: cyberattack, cyber warfare, network security protocols

Network resilience examples

  • Backup power supply: Ensuring that the network has an alternative power source in case of a power outage.
  • Redundant hardware: Utilizing multiple devices to perform the same function, so if one fails, the others can take over.
  • Diverse routing: Using multiple communication pathways to avoid single points of failure.
  • Load balancing: Distributing workloads evenly across multiple servers to prevent any single server from becoming a bottleneck.
  • Monitoring and management systems: Employing tools to continuously monitor network performance and automate recovery processes.

Network resilience vs. network security

Network resilience and network security are related but distinct concepts. Network security focuses on protecting the network from unauthorized access and potential cyberattacks, whereas network resilience aims to ensure that the network can continue operating despite any disruptions or failures. Implementing both network resilience and network security measures is crucial for maintaining a robust and reliable network.

Tips for improving network resilience

  • Perform regular network assessments and identify potential vulnerabilities.
  • Implement redundant systems and backup solutions to prevent single points of failure.
  • Use NordVPN to protect your network traffic from cyber threats and ensure secure communication.