Comparing Usage of
MaxWaitSeconds
MaxWaitSeconds
The following table lists some of the
advantages and disadvantages of these two operations.
Operation
| Advantages
| Disadvantages
|
|---|---|---|
MaxWaitSeconds=0
| Returns only properties that have changed since the
version specified. Use this to poll for changes without waiting for
changes. | Returns an empty set when nothing has changed on the
server. Depending on your client application, this might be
inefficient. |
MaxWaitSeconds>0
| Waits until an update occurs or a time-out occurs.
Efficient use of network resources. | This can block a thread until updates occur.
However, you can cancel this call while waiting, by using
CancelWaitForUpdates . |