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Concept for connecting computers and devices to enable communication and resource sharing. Covers physical media, protocols, topologies and basic security aspects.
A computer network interconnects computers and devices to enable communication and resource sharing. It comprises physical links, protocols (e.g. TCP/IP), switching and security mechanisms, and topology choices. Networks underpin distributed systems and directly affect latency, availability, and scalability. They guide design decisions across architecture, security, and operations.
Average response time for packet-based communication between endpoints.
Percentage of packets lost during transmission.
Percentage of time network services are reachable.
Typical implementation with VLAN segmentation, central firewall gateway and internet connectivity via redundant links.
Distributed network to reduce latency for end users via geographically distributed caches.
Scalable spine-leaf topology providing high bandwidth and low latency for server-to-server communication.
Define requirements and topology, plan addressing.
Select hardware and provide base configuration.
Implement security rules, run tests and enable monitoring.