This topology include source and target redundancy with additional cross-over redundancy capabilities. The topology includes two simultaneous streams delivered in parallel from two separate source nodes to a corresponding pair of redundant targets. If the latency of the outputs is identical, the streams will be frame synced, providing the video is synced on entry. In addition, in the unlikely event that a second loss occurs at the opposing connected end-point, the automated cross-over mechanism uses the resources of the opposite path, providing a stream with minimal disruption.
Source Configuration
Configuring in advance the Pull output in the primary and secondary Broadcasters is not mandatory. If you configure outputs in the primary and secondary source Broadcasters, make sure both use the same stream ID.
Target Configuration
To configure the target node (e.g. Zixi Broadcaster/Receiver):
- Click the Inputs tab at the top of the Zixi Broadcaster administrative screen
- Click New Input on the upper right hand side of the screen.
- Select the Push option.
- Create an input at the primary target, ensuring the “Stream ID” matches that of the primary and secondary sources output.
- Configure additional parameters as required.
- Click OK.
Cost Considerations
This topology duplicates the source Zixi hardware and software components. It does not require doubling the uplink bandwidth as the backup connection stream is only active in the event that the primary fails.
Latency Considerations
Primary Connection loss =
Retry cycle =
Connection to secondary =
Total recovery Time =
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