Content Delivery Working Group
Push refers to the delivery of information without the recipient having to request it. In the familiar web model, a client requests (pulls) content from a web server. With push, the server could deliver the content to the client without the client requesting it.
In the 'normal' client/server model, a client requests a service or information from a server, which then responds in transmitting information to the client. This is known as pull technology; the client pulls information from the server. Browsing the World Wide Web is a typical example of pull technology, where a user enters a URL (the request) that is sent to a server, and the server answers by sending a WEB page (the response) to the user.
In contrast to this, there is also push technology, which is also based on the client/server model, but where there is no explicit request from the client before the server transmits its content. The WAP Push framework introduces a means to transmit information to a device without a user request.
The OMA CD Working Group (WG) is a technical committee operating under the Mobile Application Group (BT). Its purpose is to write and maintain OMA Push specifications, and serve as an OMA technical expert group in matters related to push. To date, it has created one or more versions of nine specifications (Cache Operations, Service Indication, Push Access Protocol, Service Loading, Push Architectural Overview, Push Proxy Gateway Service, Push Over-the-Air Protocol, Push Message and E-Mail Notification).
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For more information on the Content Distribution Working Group, please contact Technical Comments.