Page 126 - DLIS408_INFORMATION_TECHNOLOGY-APPLICATIONSL SCIENCES

Unit 11: Library and Information Networks in India

A typical use of LAN is to tie together personal computers in an office so that they can all use a single Notes
printer and a file server. The LAN can be within a building or a campus wide network.
Metropolitan Area Network (MAN): Attempts are being made to develop this type of network in
metropolitan areas such as Delhi, Calcutta, Bangalore, Madras, etc.
Wide Area Network (WAN): A large-scale network, involving offices in different cities and countries
is referred to as WAN, which is specially designed to interconnect data transmission devices over
wide geographical areas.

Task Define how LAN is different from MAN.

Categories of Network

Library networks have been divided into two categories: general network and specialized network.
The latter can further be divided into metropolitan network and countrywide network.
Self Assessment

Multiple choice questions:
4. There are .................... types of computer networks.
(a)3 (b)4 (c)2 (d)5.
5. LAN stands for:
(a) Local area network (b) Logic area network
(c) Large area network (d) Light area network.

11.4 General Networks in India

NICNET (www.mylibnet.org)

Title: National Information Center Network
Sponsor: Planning Commission, Govt. of India
Membership: Four national and regional nodes, 32 state and union territory nodes;
Seventy cities and towns
Services: Bulk files transfer; teleconferencing; full text and bibliographic retrieval services
Application: ICMRNIC Center; MEDLARS in India; Chemical Abstracts database.

INDONET

Title: INDONET data Network
Sponsor: CMC Ltd (1986) = Informatics India Ltd (1989)
Membership: Commercial computer network
Services: Database services such as DIALOG, COMPUSERVE; IP; SHARP Applications: ACME; file
transfer; international gateway.
I - NET (VIKRAM)

Title: I - NET
Sponsor: Dept. of Telecommunications, Govt. of India
Connectivity: Packet switched public data network covering nine cities Services: Information
exchange through e-mail / FTP; Bibliographic databases Specialized Networks.

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