Classification of computer networks
- 1. Classification of Computer Networks Computer Networks 2nd Class Pranab Bandhu Nath Senior Lecturer CSE Department City University, Dhaka E-mail: bandhutuhin@gmail.com web: www.ictdictionary.com Facebook Page: facebook.com/bandhutuhin YouTube: www.youtube.com/bandhutuhin
- 2. Computer Network Types • PAN(Personal Area Network) – • LAN(Local Area Network) – • MAN(Metropolitan Area Network)- • WAN(Wide Area Network)- State / Country Up to 10 Meter Distance Upto1 Kilometer Distance 10 Kilometer Distance
- 3. PAN(Personal Area Network) • Personal Area Network covers an area of 10 meters. • PAN includes mobile devices, tablet, and laptop. • Thomas Zimmerman was the first research scientist to bring the idea of the Personal Area Network.
- 4. LAN(Local Area Network) • Local Area Network is a group of computers connected to each other in a small area such as school, laboratory, home, and office building. • It is a network which consists of less than 5000 interconnected devices across several buildings. • Data of all network users can be stored on a single hard disk of the server computer. • Local Area Network provides higher security.
- 5. MAN(Metropolitan Area Network) • Metropolitan Area Network or MAN is consisting of a computer network across an entire city, college campus, or a small region • The most widely used protocols in MAN are RS-232, Frame Relay, ATM, ISDN, OC-3, ADSL, etc. • It offers fast communication using high-speed carriers, like fiber optic cables.
- 6. WAN(Wide Area Network)- • WAN network system could be a connection of a LAN which connects with other LAN's using telephone lines and radio waves. It is mostly limited to an enterprise or an organization. • A Wide Area Network is widely used in the field of Business, government, and education. • The software files will be shared among all the users; therefore, all can access to the latest files.
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