Multistreaming Guides: Learn RTMP, SRT, OBS and Bandwidth

Practical, plain-English guides to streaming to several platforms at once: how it works, how to set it up and how much bandwidth you need.

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Guides are checked against official platform documentation and were last reviewed October 3, 2026.
What is multistreaming?

What multistreaming is, how it works, the three ways to do it and what to look for in a multistreaming service.

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How to multistream with OBS Studio

Step-by-step OBS Studio settings to send one stream to a multistreaming relay and out to every platform.

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RTMP vs SRT

How the two ingest protocols differ, when to choose each and how they behave on unreliable networks.

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Bandwidth and bitrate requirements

How to work out the upload speed you need, with worked examples and official bitrate guidance from YouTube, Twitch and Facebook.

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Stream to YouTube, Twitch and Facebook at once

Where to find each platform's stream key, which settings suit all three and how to manage chat.

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24/7 and pre-recorded streams

How to broadcast MP4 files as live streams, schedule them and loop playlists, and what to watch out for.

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Multistream bandwidth calculator

Enter your bitrate and number of destinations to see the upload speed you need.

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Streaming terms in one place

Multistreaming
Broadcasting the same live video to several platforms at once.
Encoder
Software or hardware, such as OBS Studio, vMix or Wirecast, that compresses video for streaming.
Ingest
The server that receives your stream. Multistream Platform has edge ingest nodes in US East, US West, EU Central, Tokyo and São Paulo.
RTMP / RTMPS
A widely supported protocol for sending live video to a server; RTMPS adds encryption.
SRT
Secure Reliable Transport, a protocol built to recover from packet loss on unreliable networks.
Bitrate
How much data per second your video uses, usually in kbps or Mbps. Higher bitrates use more upload bandwidth.
Stream key
A private code that identifies your stream to a server. Keep it secret.
Relay
A service that takes one incoming stream and delivers copies to many destinations.

Frequently Asked Questions

What is multistreaming?
Broadcasting the same live video to several platforms at once. A multistreaming service takes one stream from your encoder and relays it to each destination.
Where should I start?
Read What is multistreaming?, then How to multistream with OBS Studio.
Are these guides specific to Multistream Platform?
They are written to be useful on their own. Where a step refers to Multistream Platform, we say so.
Who writes these guides?
The Multistream Platform team. Contact us at hello@multistreamingplatform.com if you spot something that needs correcting.
Have questions that aren't listed here? Talk to the team
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