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A light weight poller is a device application that polls for push notifications at a specified time interval. Using a light weight poller is an alternative to setting up a gateway, and is recommended because it does not require a persistent connection to the server like the SYNC gateway does, nor does it require a continuous connection like the UDP gateway does.
When a device polls the server, it sends a poll key and a Notifier name. The MobiLink server checks the Notifier name to determine which Notifier should check the cache for push requests. The poll key identifies the device to the Notifier, which uses the poll key to detect push requests intended for the device. Push notifications are sent after the push requests are detected.
Use MobiLink Listener command line options to configure a light weight poller. Alternatively, use the light weight polling API to integrate a light weight poller into your device application.
You can use Sybase Central to administer remote databases, and then use a server-initiated remote task (SIRT) to implement a push notification. For more information, see Central administration of remote databases and Server-initiated remote tasks (SIRT).
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