Communication network based on point-to-point communication

Manufacturing: Computer networks are used in many aspects of manufacturing including manufacturing process itself
. Two of them that use network to provide essential services are computer-aided design (CAD) and computer-assisted manufacturing (CAM), both of which allow multiple users to work on a project simultaneously
. Directory services: Directory services allow list of files to be stored in central location to speed worldwide search operations
. Information services: A Network information service includes bulletin boards and data banks
. A World Wide Web site offering technical specification for a new product is an information service
. Electronic data interchange (EDIT): DIE allows business information, including documents such as purchase orders and invoices, to be transferred without using paper
. Electronic mail: probably it's the most widely used computer network application
. Teleconferencing: Teleconferencing allows conference to occur without the participants being in the same place
. Applications include simple text conferencing (where participants communicate through their normal keyboards and monitor) and video conferencing where participants can even see as well as talk to other fellow participants
. Different types of equipment's are used for video conferencing depending on what quality of the motion you want to capture (whether you want just to see the face of other fellow participants or do you want to see the exact facial expression)
. Voice over IP: Computer networks are also used to provide voice communication
. This kind of voice communication is pretty cheap as compared to the normal telephonic conversation
. Video on demand: Future services provided by the cable television networks may include video on request where a person can request for a particular movie or any clip at anytime he wish to see
. Summary: The main area of applications can be broadly classified into following categories: