HP Remote Graphics Software (RGS) Manuel d'utilisateur Page 196

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The sequence chart in Figure 8-6 Sequence chart for the default property value of 4 on page 178
shows operation for the default property value of 4. In this case, the Receiver can have up to 4 image
update requests outstanding at any given time. When image update response #1 is received (meaning
that there are now 3 outstanding image update requests), the Receiver can issue image update request
#5 (again, up to a maximum of 4 outstanding image update requests at any given time).
Figure 8-6 Sequence chart for the default property value of 4
The sequence can vary considerably from that shown in Figure 8-6 Sequence chart for the default
property value of 4 on page 178. For example, image update response #1 might be received prior to
issuance of image update request #4. Also, TCP will temporarily block the Sender from sending further
data if the Receiver network buffer becomes full. Nonetheless, the sequence shown in
Figure 8-6
Sequence chart for the default property value of 4 on page 178 serves to parallelize local display
updates that otherwise would occur serially.
The default property value of 4 was determined empirically as a good compromise for both low and
high-latency network environments. Larger numbers of outstanding requests may be beneficial in some
cases depending on the number and types of updates occurring. In high-latency network environments,
HP recommends that you characterize RGS performance for different values of the
Rgreceiver.MaxImageUpdateRequests property.
Rgreceiver.IsMouseSyncEnabled=bool 1
Rgreceiver.IsMouseSyncEnabled.IsMutable=bool 1
This property was added with RGS 5.2.5, and allows the RGS Receiver to track an instantaneous
programmatic move of the mouse on the sender. This type of move is occasionally seen when a
window is moved or resized. It is also seen when the Snap To box is checked in the Mouse Properties
Pointer Options dialog on the Windows Sender computer (see
Figure 8-7 Pointer Options tab in the
Sender Mouse Properties dialog on page 179). Checking of the Snap To box causes the Sender
mouse pointer to be automatically moved to the default button in a dialog box.
178 Chapter 8 RGS properties ENWW
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