HTTP Live Streaming (HLS) is an adaptive, HTTP-based streaming protocol that sends video and audio content over the network in small, TCP-based media segments that get reassembled at the streaming destination. However, some IT involvement is needed to set up traffic forwarding so that traffic received at the public IP address and SRT port of the destination device is forwarded to the device on the local network. If you can’t get through the firewall, then the Caller/Listener modes should be used. Rendezvous mode is the simplest and typically requires no IT involvement to traverse firewalls between the SRT source and destination. SRT has three modes for doing that: Rendezvous and Caller/Listener. As network conditions improve, the amount of delay can be reduced for a near real-time live stream experience.Īny firewalls between the SRT source device and the destination must be traversed. When network conditions are poor, more packet buffering can be added to improve video quality. SRT employs its own packet-loss recovery method using UDP packets over the network, which you can tune to adapt to fluctuating network conditions. The destination can be a server, CDN, or another SRT device. Popular software that have already integrated SRT include OBS Studio, GStreamer, and VLC.ĭubbed a “satellite replacement technology”, SRT’s low cost and ability to deliver high-quality content over the Internet in near real time gives broadcasters a viable alternative to expensive satellite technology.Ī dedicated communication link for control and packet recovery is established between the SRT source (encoder) and the SRT destination (decoder). Epiphan Video is a certified “SRT ready” member of the SRT Alliance alongside YouTube, Akamai, Wowza, and others. SRT is an open-source streaming protocol that’s gaining popularity because of the SRT Alliance, a collaborative effort involving many industry leaders and developers with the goal to advance SRT adoption. Plus, SRT offers secure streaming with up to 256 bits AES encryption. SRT also makes it easy to traverse firewalls without needing any help from your IT guy and it’s economical to deploy over the existing network infrastructure. You can actually control the amount of latency and eliminate issues like jitter due to packet loss over poor networks. It delivers high quality video and audio with low latency over the unreliable public Internet. Secure Reliable Transport (SRT) is a rising star in the streaming frontier.
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