Data Communications and Networking Overview
2-1 2005 Raj JainCSE473sWashington University in St. LouisData Communications data Communications and and Networking OverviewNetworking OverviewRaj Jain Washington UniversitySaint Louis, MO slides are available on-line at: ~jain/cse473-05/2-2 2005 Raj JainCSE473sWashington University in St. LouisOverviewOverview! data Comm vs Networking vs Distributed Systems ! Communications Tasks!Types of Networks!Protocol Layers!ISO/OSI Reference Model!TCP/IP Reference Model2-3 2005 Raj JainCSE473sWashington University in St. LouisData communication vs NetworkingData communication vs Networking ! communication : Two Nodes. Mostly EE issues.! Networking : Two or more nodes. More issues, , routing2-4 2005 Raj JainCSE473sWashington University in St. LouisDistributed Systems vs NetworksDistributed Systems vs Networks!Distributed Systems: !Users are unaware of underlying structure.
Data Communication vs Networking! Communication: Two Nodes. Mostly EE issues.! Networking: Two or more nodes. More issues, e.g., routing. 2-4 Washington University in St. Louis CSE473s ©2005 Raj Jain Distributed Systems vs Networks! Distributed Systems: ! …
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