ITM 301 Lecture : Lecture 1

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P2p: no centralized server, p2p (c/s = client/server, network resources. Each station/node (any device with an ip address is a node) is a client (active) and a server (passive) Very limited security: client / server, nos is needed on a server to change it from a client to a server, nos. Nos types: windows server 2008 r2, unix. Linux: clients can have any os on them, features. Security is controlled by a dedicated server. Unlimited number of workstations can be connected, dependant on type of cable medium used for bandwidth/throughput. Fiber cable can transfer at a rate of 300 gbps / 120 km. Users must have an account on the server in order to share resources. Can be arranged as lan, can, man or wan. Physical network arrangements: bus lan/han, star - lan, ring - lan, fiber distributed data interface lan/can, mesh - wan, synchronous optical network man, types of network servers, authentication server (domain)

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