What are Benefits & Advantage of Intranet ?

3 years ago

Internet Services allow us to access a huge amount of information such as text, graphics, sound, and software over the internet. The following diagram shows the four different categories of Internet Services.

Communication Services

There are various Communication Services available that offer the exchange of information with individuals or groups. The following table gives a brief introduction to these services:

S.N.	Service Description
1	Electronic Mail Used to send electronic messages over the internet.
2	Telnet Used to log on to a remote computer that is attached to internet.
3	Newsgroup Offers a forum for people to discuss topics of common interests.
4	Internet Relay Chat (IRC) Allows people from all over the world to communicate in real-time.
5	Mailing Lists Used to organize a group of internet users to share common information through e-mail.
6 Internet	Internet Telephony (VoIP) Allows the internet users to talk across the internet to any PC equipped to receive the call.
7	Instant Messaging Offreal-timetime chat between individuals and group of people. Eg. Yahoo messenger, MSN messenger.

Information Retrieval Services

There exist several Information retrieval services offering easy access to information present on the internet. The following table gives a brief introduction to these services:

S.N.	Service Description
1	File Transfer Protocol (FTP) Enable the users to transfer files.
2	Archie It’s an updated database of public FTP sites and their content. It helps to search a file by its name.
3	Gopher Used to search, retrieve, and display documents on remote sites.
4	Very Easy Rodent Oriented Netwide Index to Computer Achieved (VERONICA) VERONICA is a gopher-based resource. It allows access to the information resource stored on gopher’s servers.

Web Services

Web services allow the exchange of information between applications on the web. Using web services, applications can easily interact with each other.

The web services are offered using the concept of Utility Computing.

World Wide Web (WWW)

WWW is also known as W3. It offers a way to access documents spread over several servers on the internet. These documents may contain texts, graphics, audio, video, and hyperlinks. The hyperlinks allow the users to navigate between the documents.

Video Conferencing

Video conferencing or Video teleconferencing is a method of communicating by two-way video and audio transmission with help of telecommunication technologies.

Modes of Video Conferencing

Point-to-Point

This mode of conferencing connects two locations only.

Multi-point

This mode of conferencing connects more than two locations through Multi-point Control Unit (MCU).

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