Internet Services allows us to access huge amount of information such as text, graphics, sound and software over the internet. Following diagram shows the four different categories of Internet Services.
Communication Services
There are various Communication Services available that offer exchange of information with individuals or groups. The following table gives a brief introduction to these 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:
Information Retrieval Services
Web services allow exchange of information between applications on the web. Using web services, applications can easily interact with each other.
Web Services
The web services are offered using concept of Utility Computing.
World Wide Web (WWW)
WWW is also known as W3. It offers a way to access documents spread over the several servers over the internet. These documents may contain texts, graphics, audio, video, 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).
