Stream Distribution Terms Explained: Simulcasts, Raids, Relays, and VOD Management

The Flow of a Live Stream

When you start streaming, you quickly meet technical and community terms that feel like another language. You might hear creators discuss setting up a simulcast, sending a raid, adjusting an ingest server, or cleaning up their VODs after a broadcast ends.

These terms are not just jargon. They describe the physical journey of your video and the social movement of your audience. When you understand how these systems work together, technical glitches become easier to troubleshoot, and community collaborations feel natural rather than stressful.

This guide breaks down the core distribution and broadcast terms you will encounter before, during, and after your live streams.

Broadcast and Delivery Terms

Before viewers can watch you, your computer needs to encode and send data across the internet. Here are the main terms connected to the technical side of your stream feed.

1. Ingest Server and RTMP

• RTMP (Real-Time Messaging Protocol): The standard protocol used to send live video from software like OBS to platforms like YouTube or Twitch.
• Ingest Server: The specific data center where your streaming software uploads your video feed.

When your streaming software connects to a platform, it looks for the closest ingest server. If you choose an ingest server on another continent, your connection latency increases, which can cause frame drops and buffering for viewers. Most modern tools detect the best server automatically, but knowing the term helps when connection errors appear.

2. Simulcast (Multistreaming)

Simulcasting means broadcasting your single live feed to two or more platforms at the exact same time (such as YouTube, Twitch, and custom community platforms).

There are two main ways to handle a simulcast:

• Local Multistreaming: Your computer encodes and uploads separate video feeds to each platform. This requires a strong upload bandwidth and a capable processor.
• Cloud Relaying: Your software sends one video feed to a cloud service, and the service duplicates and sends the feed to your target platforms.

Simulcasting helps reach viewers across different regions. For example, some audiences in East Asia prefer YouTube for long streams, while viewers in North America and Europe often check Twitch first. Keep in mind that managing two separate chat feeds live requires clear screen organization or a combined chat overlay.

3. Bitrate and Keyframe Interval

• Bitrate: The amount of data you send every second, measured in kilobits per second (kbps). Higher bitrates generally mean better picture quality, provided your internet upload speed can handle it stably.
• Keyframe Interval: How often a full, uncompressed video frame is generated by your encoder. Most streaming platforms require a keyframe interval of two seconds. If this setting is incorrect, viewers may experience freezing video even when your audio plays smoothly.

Audience Movement: Raids, Hosts, and Relays

Once your stream is running, you can connect your audience with other creators around the world. Different regions and platforms have distinct terms and etiquette for audience handoffs.

1. Raids

A raid happens at the end of a stream. A creator sends their active viewers directly into another creator's live chat and stream channel. The target channel's player automatically loads for the arriving viewers.

In Western streaming culture, raiding is a standard sign of friendship and discovery. When planning a raid, consider these practical points:

• Check the receiver's content: Ensure the channel you raid is playing a similar game or welcomes new groups.
• Prepare a raid message: Give your community a short text snippet or emote to post in chat so the receiving streamer knows who brought the group.
• Respect opt-out settings: Most platforms allow streamers to restrict raids to friends or disable incoming raids entirely.

2. Relays and Collab Handoffs

In Japanese and wider Asian VTuber circles, multi-creator events often use a relay format rather than a software-driven raid. In a relay, several creators stream back-to-back on their own individual channels according to a strict timetable.

Instead of an automatic redirect:

• The finishing streamer pastes the next creator's channel link into their chat and pins it.
• The audience clicks the link and manually moves to the next stream room.
• Viewers leave comments letting the next creator know the relay has passed the baton.

Understanding this difference prevents confusion when collaborating across international communities. If an overseas partner does not use automatic raid features, they usually expect a manual link handoff.

3. Co-Streaming and Clean Feeds

• Co-streaming: Broadcasting yourself watching or commenting on an official event, esports tournament, or game showcase with your audience.
• Clean Feed: An official broadcast feed provided without commentary or overlay graphics, designed specifically for co-streamers to add their own voice and branding.

Always verify that an event explicitly permits co-streaming before opening it on your stream. Unauthorized restreaming can lead to instant copyright strikes.

The Post-Stream Life: VODs and Archives

Your content does not disappear when you click "End Stream." Managing recorded video is just as important as the live event.

1. VOD (Video on Demand)

A VOD is the complete recording of your live broadcast, saved automatically on the platform's servers. Viewers in different time zones rely on VODs to follow your content when they cannot watch live.

Platform policies for VOD storage vary:

• Some platforms store past broadcasts temporarily (such as a few weeks) before deleting them permanently.
• Other platforms convert your live stream directly into a permanent public video on your main channel.

2. VOD Muting and Audio Splitting

Automated copyright scanners scan VODs for copyrighted music and sound effects. If a match is detected, the platform may mute the affected section of your recording.

To prevent this, many creators use audio track splitting in their broadcast software:

• Track 1 (Live Mix): Contains your voice, game sound, and background music. This is what live viewers hear.
• Track 2 (VOD Track): Contains only your voice and game sound, leaving out the background music entirely.

By routing music only to the live feed, your saved VOD remains completely unmuted and clean for archive viewers.

3. Stream Markers and Chapters

• Stream Markers: Digital timestamps you drop during a broadcast (either via a hotkey, a stream deck, or a chat command) to mark a funny moment, a game victory, or a technical issue.
• Chapters: Named sections added to your VOD description so viewers can skip straight to specific matches or discussion topics.

Using stream markers makes video editing much faster. Instead of scrubbing through four hours of footage, you can open your marker list and find your highlight clips within seconds.

Quick Reference Summary

Mastering these terms helps you understand what is happening behind the scenes of your software and builds confidence when working alongside other creators worldwide.