Telecommunications and Networking

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Presentation transcript:

Telecommunications and Networking

Basic concepts

Networks

Distributed data processing

CSS architecture

EDI Concepts

EDI architecture

Basic Communications Model Standards are needed at all Layers User Layer Application Layer Computer (Transport) Layer Transmission Layer

Layering in Major Architectures Basic Model TCP/IP IPX/SPX OSI Application Computer (Transport) Internet Subnet (OSI) Application (7) Presentation (6) Session (5) Transport (4) Network (3): Internet & Data Link (2) Transport: TCP, etc. Complex: SPX, etc. Physical (1)