9. Recovery Strategy Reference

The AMPS server and the AMPS client libraries provide various options for recovering and resuming subscriptions. Use this cross-reference to choose the recovery strategy that best matches the needs of your application.

Scenario to feature reference
Scenario AMPS Feature(s)
Automatically recover subscription without replaying missed messages. HAClient / Subscribe
Recover subscription and replay any messages missed while application is offline. HAClient / Transaction Log / Bookmark Subscription / Bookmark Store
Recover subscription, get current state of a set of messages upon recovery and receive updates to that state. HAClient / State of the World / SOW and Subscribe command

The scenarios above describe just a few of the most common recovery scenarios for a subscription. For recovery scenarios that aren’t described above, contact 60East at http://support.crankuptheamps.com/ for advice and guidance.