A Network Operating System (NOSYS), a special software to control the flow of information between users, is installed onto each PC that requires network access. It is like a traffic enforcer (MMDA perhaps) that monitors the exchange and flow of files, electronic mail, and other network information.
Network Operating Systems are usually classified according to whether they are peer-to-peer or client-server NOSYS. Peer-to-peer NOSYS like Windows 98, Windows 2000, Windows XP, and Windows Vista are best for home & small office use They're great for sharing applications, data, printers, and other localized resources across a handful of PCs. Client-server NOSYS like are ideal for large-scale organizations that require fast network access for video, publishing, multimedia, spreadsheet, database, and accounting operations.
There are two basic architectures of a network:
1. Peer-to-Peer Networks
- In Peer-to-peer network, each node on the network works as its own server because there is no centralized server or security system. Peer-to-peer PC has its own hard disk drive that is accessible by all computers on the network.
Peer-to-Peer Networks
- A peer-to-peer network allows two or more PCs to pool their resources together. Individual resources like disk drives, CD-ROM drives, and even printers are transformed into shared, collective resources that are accessible from every PC.
- A peer-to-peer network can be built with both 10BaseT cabling and a hub or with a thin coax backbone. 10BaseT is best for small workgroups of 10 or fewer users that don't span long distances, or for workgroups that have one or more portable computers that may be disconnected from the network from
time to time.
2. Client-Server Networks
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