Computer Science

Networking Fundamentals

Networking Fundamentals

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  • About the Editor
    • Introduces core concepts-OSI and TCP/IP models, addressing, and packet flow-for reliable data communication.
    • Explains key protocols (IP, TCP, UDP, DNS) and how they govern network interactions.
    • Covers basic network devices-switches, routers, firewalls-and their roles in traffic management and security.

William Davies is a network architect with a Ph.D. in Computer Networks, focusing on industrial Ethernet and time-sensitive networking for factory automation. He researches deterministic packet scheduling and synchronization, deploys PROFINET and EtherCAT systems in automotive and robotics, and publishes best practices on switch setup, VLAN segmentation, and redundancy protocols. William leads hands-on labs and is currently integrating TSN with wireless industrial networks for flexible manufacturing cells.