RIST and SRT trade lower latency for congestion risk
RIST and SRT protocols offer lower latency compared to TCP, but they also introduce a risk of congestion collapse. The article discusses why these ARQ-based protocols, while beneficial for latency reduction, have the potential to cause network congestion.
Key Takeaways
- RIST and SRT are ARQ-based protocols used for lower-latency delivery than TCP.
- The article flags congestion collapse as a specific network risk tied to RIST and SRT.
- Traffic engineering is central to using these protocols without overloading the network.
Why It Matters
For streaming transport, the immediate issue is that lower latency from RIST and SRT comes with a congestion-collapse risk if the network is not engineered around ARQ behavior. That puts protocol choice and network design in the same decision set, not separate ones. The article frames this as a traffic-engineering problem rather than a protocol-only issue, which matters for anyone carrying live video over constrained links. The key signal to watch is how operators balance latency reduction against congestion control when deploying RIST or SRT.
Read full article at thebroadcastbridge.com
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