by Dinesh Thakur Category: Network Technologies

A server process (program) fulfills the client request by performing the task requested. Server programs generally receive requests from client programs, execute database retrieval and updates, manage data integrity and dispatch responses to client requests.



 
by Dinesh Thakur Category: Network Technologies

The earliest electronic network is the telephone system. This telephone network commonly uses analog technology that was quite different from digital technology used in the computer-based networks. The advantages of digital technology over the analog technology in terms of economics and services forced the telephone industry to move rapidly to install fiber and digital networks.

 
by Dinesh Thakur Category: Network Technologies

ISDN structure includes a central ISDN office. All the users are linked to this office through a digital pipe. This digital pipe may be of different capacities and may have different data transfer rates. These digital pipes between the customers and central office are organized into multiple channels of different size.

 
by Dinesh Thakur Category: Network Technologies

BBS (Bulletin Board System): A single computer running special communications software that acts as a kind of electronic bulletin board. That allows remote users to dial in via a public telephone line to exchange messages and chat with one another. which is a service usually set up by an organization or a club to provide or exchange informationA BBS allows multiple people to use it at the same time in order to exchange ideas, offer help with software problems, and converse (through typed conversations) with other users currently connected to the BBS. You access the BBS through your modem , a device that transmits data through ordinary telephone lines. While connected to a BBS, a user can share information with other computer users, leave messages, and upload and download programs. One popular BBS is the Boston Computer Exchange, a place where members can buy, sell, or trade computers. Pay-for-use information services, such as CompuServe, Prodigy, and Internet are like BBS, but much larger. There are thousands of other BBSs across the globe offering a variety of topics and interests ranging from software support to dating services. To communicate with other computers, a modem is necessary.



 
by Dinesh Thakur Category: Network Technologies

Integrated Services Digital Network (ISDN) is a set of CCITT /ITU standards for digital transmission over ordinary telephone copper wire as well as over other media. This technology uses ISDN adapters in place of modems and provides very fast speed up. ISDN requires adapters at both ends of the transmission.

 
by Dinesh Thakur Category: Network Technologies

The client is a process that sends a message to a server process requesting that the server perform a task. Client programs usually manage the user-interface portion of the application, validate data entered by the user, dispatch requests to server programs, and sometimes execute business logic.

 
by Dinesh Thakur Category: Network Technologies

• Session Initiation Protocol (SIP) was designed by IETF and is described in RFC 3261.

 
by Dinesh Thakur Category: Network Technologies

ISDN provides two basic types of interfaces to users.

 

  1. Basic Rate Interface (BRI)
  2. Primary Rate Interface (PRI)
 
by Dinesh Thakur Category: Network Technologies

Divides Application Processing across multiple machines.Non-critical data and functions are processed on the client Critical functions are processed on the server

 
by Dinesh Thakur Category: Network Technologies

Asynchronous Transfer Mode (ATM) Also called cell relay, a high-speed switched network technology developed by the telecommunications industry to implement the next, BROADBAND generation of ISDN. ATM was designed for use in WANS such as the public telephone system and corporate data networks, though it has also been applied to create super-fast LANS. It can carry all kinds of traffic - voice, video and data – simultaneously at speeds up to 155 megabits per second.

 

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About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to Contact us.



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