CPE 401 / 601 Computer Network Systems

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CPE 401 / 601 Computer Network Systems Lecture 1 Introduction Lecture 1 Internet CPE 401 / 601 Computer Network Systems slides are modified from Dave Hollinger and Daniel Zappala

Network “ ... communication system for connecting end-systems” End-systems a.k.a. “hosts” PCs, workstations dedicated computers network components Internet

Multiaccess vs. Point-to-point Multi-access means shared medium many end-systems share the same physical communication resources (wire, frequency, ...) There must be some arbitration mechanism. Point-to-point only 2 systems involved no doubt about where data came from ! Internet