What is the realistic end-to-end latency in Media Live for non-HLS streams?

Question

Hi,

We're testing the Media Live service by consuming an RTP-FEC push source and producing a RTP output. Both the source and destination are via Direct Connect nside our VPC. The Media Live process adds ~7 seconds of latency between the original source stream and the output stream. Is this as expected or is very low latency (<500ms) possible?

No HLS / Media Package streams required.

FYI: our test case is to replace an on-premises GPU-based encoding process with Media Live, which is capable of producing very low latency throughput.

Thanks

Tom

Answer

Tom, the 7sec round trip latency does seem a bit high, though we would need to understand the complete end-to-end system path, and how the latency is measured.

AWS MediaLive, by default will not be configured for a low latency encode. You can typically expect 3-4s, depending on source, output resolution, bitrate and other parameters.
There are changes to the MediaLive Channel that can be made to reduce the encoding delay, yet achieving <500ms is unlikely. MediaLive is not targeted as an ultra low latency encoder.

What is the realistic end-to-end latency in Media Live for non-HLS streams?

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