Computer Networks Archives - PCET https://pcet.co.uk/tag/computer-networks/ Computers tutorials with a down-to-earth edge Sun, 12 Apr 2026 17:07:32 +0000 en-GB hourly 1 https://wordpress.org/?v=7.1.4 https://pcet.co.uk/wp-content/uploads/2026/10/logo-150x150.png Computer Networks Archives - PCET https://pcet.co.uk/tag/computer-networks/ 32 32 Understanding SNA (Systems Network Architecture) in Computer Networks https://pcet.co.uk/understanding-sna-systems-network-architecture-in-computer-networks/ https://pcet.co.uk/understanding-sna-systems-network-architecture-in-computer-networks/#respond Tue, 29 Apr 2025 15:57:47 +0000 https://pcet.co.uk/?p=9049 IBM introduced Systems Network Architecture in 1974 as a proprietary framework for mainframe communication. This architecture revolutionized data exchange by standardizing interactions between terminals and hosts. The protocol stack predates modern models like OSI, using layered protocols for reliability. Key components include VTAM for session management and NCP for packet switching, ensuring efficient operations. Despite […]

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