To ensure optimal performance, don’t exceed the maximum number of camera streams supported by a Media Gateway in Security Center 5.13.
Media Gateway agents provide video streams to the Genetec™ Web App, Genetec™ Mobile app, and external RTSP connections. In some cases, video transcoding might be required. Video stream transcoding is determined by the requesting application as follows:
Requesting application | Transcoded? |
---|---|
External RTSP connections | Never |
Genetec Mobile | Only when all the following conditions are met:
|
Genetec™ Web App | Only in the following situations:
|
Security Center Web Client | Only in the following situations:
|
The maximum number of camera streams supported by a dedicated Media Gateway server in Security Center 5.13 is as follows:
Performance without
transcoding H.264 |
||||
---|---|---|---|---|
Resolution @ 30 FPS | VGA 640 x 480 |
HD 1280 x 720 |
Full HD 1920 x 1080 |
Ultra HD 3840 x 2160 |
Average bit rate per camera | 1 Mbps | 2.3 Mbps | 5.5 Mbps | 20 Mbps |
Recommended | 200 streams/~220 Mbps | 170 streams/~350 Mbps | 100 streams/~600 Mbps | 35 streams/~0.85 Gbps |
High-performance | 340 streams/~370 Mbps | 300 streams/~600 Mbps | 175 streams/~1 Gbps | 60 streams/~1.2 Gbps |
Performance with
transcoding H.264/H.265 |
||||
---|---|---|---|---|
Input Resolution @ 30 FPS | VGA 640 x 480 |
HD 1280 x 720 |
Full HD 1920 x 1080 |
Ultra HD 3840 x 2160 |
Average bit rate per camera | 1 Mbps | 2.3 Mbps | 5.5 Mbps | 20 Mbps |
Recommended | 45 streams, 50 Mbps / 39 streams, 43 Mbps |
30 streams, 60 Mbps / 15 streams, 30 Mbps |
16 streams, 100 Mbps / 6 streams, 12 Mbps |
6 streams, 120 Mbps / 1 stream, 20 Mbps |
NOTE: Bit rate is for input streams only. Output resolution is VGA.
Considerations
- Video watermarking requires extra processing of transcoded video frames. If watermarking is applied to all streams, the maximum number of Media Gateway camera streams is reduced by 30%.
- There’s a hard limit of around 500 connections.
- The values in the table are obtained with 30 FPS.
- If the frame rate is reduced and the throughput remains under the maximum values in the table, then the number of connections can be increased linearly.
- When transcoding, the output is resized to resolutions of 640 x 480 (VGA) or less, maintaining the aspect ratio.
CAUTION:
Do not host Media Gateway on the same server as an Archiver. The Media
Gateway role can use significant processing power. High CPU usage on the Archiver server can
result in Archiving queue full situations that might lead to data loss.