# How to Broadcast at Sub-second Latency to Multiple Viewers

**URL:** <https://community.wowza.com/t/how-to-broadcast-at-sub-second-latency-to-multiple-viewers/95438>\
**Category:** Streaming Tips\
**Created:** [September 23, 2022, 3:05pm UTC](https://community.wowza.com/t/how-to-broadcast-at-sub-second-latency-to-multiple-viewers/95438 "2022-09-23T15:05:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Post date:** [September 23, 2022, 3:05pm UTC](https://community.wowza.com/t/how-to-broadcast-at-sub-second-latency-to-multiple-viewers/95438/1 "2022-09-23T15:05:40Z")

</div>

# WebRTC Simulcast: What It Is and How It Works

## Table of Contents

- [What is WebRTC?](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-what-is-webrtc)
  - [How Is WebRTC So Fast?](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-how-is-webrtc-so-fast)
  - [Brief Intro to UDP Protocol](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-brief-intro-to-udp-protocol)

- [What Is WebRTC Simulcasting?](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-what-is-webrtc-simulcasting)
  - [WebRTC Simulcasting vs. Multistreaming](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-webrtc-simulcasting-vs-multistreaming)
  - [WebRTC Simulcasting vs. Adaptive Bitrate Streaming](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-webrtc-simulcasting-vs-adaptive-bitrate-streaming)

- [How Do You Simulcast in WebRTC?](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-how-do-you-simulcast-in-webrtc)
  - [What Is An SFU?](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-what-is-an-sfu)
  - [WebRTC Simulcast Workflow](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-webrtc-simulcast-workflow)
  - [WebRTC Simulcast vs. WebRTC Bandwidth Estimation](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-webrtc-simulcast-vs-webrtc-bandwidth-estimation)
  - [WebRTC Simulcast vs. WebRTC Bitrate Control](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-webrtc-simulcast-vs-webrtc-bitrate-control)

- [Why Use WebRTC Simulcast?](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-why-use-webrtc-simulcast)
  - [Issues With WebRTC](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#Issues-with-WebRTC)
  - [Benefits of WebRTC Simulcasting](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-benefits-of-webrtc-simulcasting)

- [WebRTC Simulcast and Wowza](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works#h-webrtc-simulcast-and-wowza)

  

Complete blog can be viewed by clicking the link below:

> **[WebRTC Simulcast: What It Is and How It Works](https://www.wowza.com/blog/webrtc-simulcast-what-it-is-and-how-it-works)**
>
> Understand what sets a WebRTC simulcast apart, how it can benefit your streaming workflow, and how Wowza can help.