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SRT Streaming Protocol

Deliver high-quality, low-latency video across the public internet

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Low Latency Video Transport for Everyone

SRT is an open source video transport protocol and technology stack, developed and pioneered by Haivision, that optimizes streaming performance across unpredictable networks with secure streams and easy firewall traversal, bringing the best quality live video over the worst networks.


As an open source protocol, the SRT video streaming protocol is constantly being changed and improved upon by developers across the world. The SRT open source project is open to all contributors and is managed and supported by the SRT Alliance.


SRT is featured in many Haivision solutions, including the Makito X Video Encoders and Decoders and the Haivision Media Gateway for high quality, low cost video transport for point-to-point applications. The KB series of video encoders and transcoders also leverages SRT to enable high-quality live event streaming.


SRT is applied to contribution and distribution endpoints as part of a video stream workflow. After encoding (or transcoding), SRT applies encryption and provides error recovery.

Prior to decoding (or transcoding), SRT decrypts the stream and enables recovery from packet loss typical of internet connections. At the same time, SRT detects the real-time network performance between the encode / decode / transcode endpoints. The endpoints can be dynamically adjusted for optimal stream performance and quality.


SRT offers additional operational flexibility and cost savings by reducing the need to invest in additional satellite or network infrastructure.

With SRT, you can stream events from any venue despite unreliable Internet connections and monitor remote facility feeds without dedicated network provisioning that entail long lead times and hefty annual contracts. Furthermore, with SRT you can increase content programming while eliminating the need for satellite links that have high hourly use charges.


Broadcast Contribution

Broadcasters are seeking to minimize costs and increase the quality of production. With Haivision, you can leverage terrestrial IP networks and benefit from the speed of Makito X encoders and decoders to achieve truly interactive remote communications. Because cost is always a factor, broadcasters can take advantage of readily available public Internet connections and the SRT streaming protocol (Secure Reliable Transport) technology to deliver high quality HD video from any off-site location.

Diagram SRT