This document created at Sep 14, 2016, 10:57:57 AM and modified at Feb 9, 2021, 5:08:02 AM.
Her you can learn more about RIM's Push technology
When the smartphone market was in its infancy, RIM set itself apart from its competitors by creating new devices for the enterprise. RIM's BlackBerry devices were focused on communications and productivity, and getting information to the user as efficiently as possible. One way they accomplished this was through RIM's Push Services, one which sends information and updates to the device at the time in which they happen, keeping the enterprise user up-to-date at all times.
The average smartphone email application needs to connect to an email server, authenticate, and then download any new messages. Most clients check the server for new messages at regular intervals; this process is defined as "polling". This method of retrieving messages is quite inefficient for the reason that the new messages are not available on the device immediately.
To get messages more frequently, you can configure the email client to check for new messages every few minutes, or you can initiate a manual email check. Not only is this time consuming, but it also consumes more battery life on your device, and many email servers have restrictions on how often you can check email.
RIM's Push Service is different, because the BlackBerry Infrastructure does all the work of pushing the information to the device. BlackBerry applications that are push-enabled run in the background listening for notifications from the BlackBerry Infrastructure. The content provider (in this case an email provider) sends a notification to the BlackBerry Infrastructure, which then pushes a notification directly to the device. The BlackBerry gets notifications much faster and saves power, because it is not actively seeking information from the service provider.
Recently RIM opened the Push Service up to all developers, so now you can get notifications from Twitter, weather applications, instant messenger applications, and even Facebook. Now Push Services are available for consumers and enterprise users, so all BlackBerry users get the benefit of receiving updates as they happen from virtually any application.
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