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VideoXpert® Professional v 3.17 Operations Manual
C6601M-S | 06/22 95
Deleting a System Connection
1. If you have not already done so, access the Configure Workstation window:
a. Log into VxOpsCenter with the Workstation Configuration account.
b.
In Mission Control, click the User Menu icon ( ), and then select Configure Workstation.
2. In the Workstation Configuration window, click VX System Connections.
3. Click to select the system connection to be deleted.
4.
Click the Delete System Connection icon ( ) at the lower right of the window to delete the
connection to the server.
5. In the Delete System Server Connection dialog box, click OK to confirm the deletion.
6. In the Workstation Configuration window, click OK to save the settings.
7. If the Log Out Required dialog box opens, click OK. You will be logged out. The configuration
changes are applied when you log back in.
Understanding System Streaming Performance Settings
System streaming performance settings determine the quality of streams you receive or, in some cases,
whether you receive a stream at all from a particular system. These settings affect frame rate and latency
of video, typically for the better with each subsequent setting. However, these options may not be
available for your network. VxOpsCenter uses the deepest selected option that is provided by the server.
If you deselect all Streaming Performance options, you will engage JPEG Pull streaming. JPEG Pull
streaming is always available and works on virtually all network types (anywhere a TCP connection is
available). It works even on slow connections, in part because of its lower quality (low frame rate and
high latency).
To set the System Streaming Performance, log in with the Workstation Configuration account and add or
edit a system.
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Allow RTSP/RTP is recommended for most system configurations. Select this to enable RTSP
streaming over TCP (or Unicast or Multicast UDP, depending on subsequent settings). This option
provides a higher quality stream than JPEG Pull on all but the slowest networks.
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Allow UDP is recommended for most LAN configurations. This setting enables Unicast streaming
over UDP. Streaming over UDP is more efficient and has lower latency than streaming over TCP.
However, UDP traffic is blocked by some WAN networks, and by fewer LAN networks. If you
encounter streaming problems, try deselecting it.
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Allow Multicast is recommended for most enterprise-level networks whose switches allow
multicast traffic. This setting enables Multicast streaming over UDP. Multicast UDP streaming is
even more efficient than unicast UDP streaming. However, multicast traffic is blocked by most
WAN networks, and by some LAN networks.
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Maximum Buffer Size limits the size of the buffer allocated to streaming.
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This setting is only applicable to live UDP streams while not in PTZ control mode.
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Larger values minimize packet loss and provide the smoothest possible frame-rate on the
display; larger values also result in longer end-to-end latency, and require more memory per
stream.
–
The default Variable buffer size setting allows VxOpsCenter to automatically find the lowest
buffering level that yields high-quality presentation on a per-stream basis.
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