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Push technology is an internet communication system in which the transaction request is generated by the central web server or publisher. Push technology is the opposite of pull technology, where the information transmission request is made by the clients or receivers.
This phenomenon is used to describe the preplanned news, weather or other selected information that is updated on a periodic basis on user’s desktop interface. Push technology is also a prime feature of Web browsing applications.
Push technology gets its name from its ability to push information to a user’s desktop instead of waiting for user to make a request. Modern webcasting products encourage the user’s cooperation for managing the information. This is particularly true for intranet users.
Push technological services are managed in advance according to the information priority model, which is also known as the subscribe/publish model.
Common examples of push services include synchronous conferencing, email and instant messaging. Both centralized and decentralized programs permit file pushing.
There are two major advantages to push technology: