Jitsi videobridge architecture. , up to hundreds of conferences per server).

Jitsi videobridge architecture jicofo This component is responsible for managing media sessions between each of the participants and the videobridge. Figure 1 shows the structure of a typical Note that Jitsi Meet design priorizes scalability by adding servers on using a huge server. Build upon React Core Concepts and Architecture Relevant source files This page explains the fundamental components of Jitsi Videobridge (JVB) and how they relate to each other. Apr 28, 2025 · Installation and Configuration Relevant source files This document provides comprehensive instructions for installing, configuring, and running Jitsi Videobridge (JVB), a WebRTC Selective Forwarding Unit (SFU) that routes media streams between participants in video conferences. Boost your video conferencing capacity today! May 22, 2023 · Check Jitsi Meet Is Working During the installation of the jitsi-meet package, nginx will be installed. If you just started contributing to the project, we highly recommend reading this section thoroughly. Jitsi Meet provides browser user interface, Jitsi Videobridge routes video streams between participants, jicofo coordinates media sessions, and Prosody handles signaling through XMPP protocol. For Apr 28, 2025 · This document explains how Jitsi Videobridge (JVB) implements SSRC rewriting to enable seamless stream switching in WebRTC-based video conferencing. This architecture enables a single conference to span multiple geographically distributed videobridge instances, providing scalability and reduced latency for participants in different regions. To demonstrate how Jitsi Videobridge could be used as a production service, BlueJimp offered a free use of its hosted system at Apr 18, 2025 · Discover how Jitsi Videobridge enhances video conferencing performance and scalability for organizations. Architecture Jitsi Videobridge is a crucial component of the Jitsi ecosystem, responsible for routing video streams between participants in a conference. Understand Jitsi large meetings, high concurrency, and performance tuning essentials. Jitsi Videobridge is a WebRTC compatible video router or SFU that lets build highly scalable video conferencing infrastructure (i. Contribute to element-hq/jitsi-helm development by creating an account on GitHub. Jun 25, 2025 · Your go-to guide for setting up Jitsi with multiple videobridges to boost scalability and performance, topped with expert tuning tips. Aug 17, 2023 · The Jitsi architecture's Nginx, Jicofo, Prosody, Jitsi Videobridge, and Frontend Interface work together in harmony to create an impressive display of engineering skill. Unlike traditional video conferencing systems that use a Multipoint Control Unit (MCU), Jitsi Videobridge employs a Selective Forwarding Unit (SFU) architecture. This posting attempts to summarize, some more theoretical for the sake of discussion and analysis, a wide range of variants to consider for different implementations. For information about the overall architecture, see Core Sep 7, 2020 · Features of Jitsi Unlike other videoconferencing technologies, Jitsi Videobridge, the heart of Jitsi, passes everyone’s video and audio to all participants, rather than mixing them first. These systems ensure that when the bridge switches between different media sources, simulcast encodings, or q This document describes the load balancing and scaling architecture used in the Jitsi infrastructure configuration. See below if you are interested in running test images: Dec 8, 2022 · The Jitsi Architecture scheme really helped me to understand the CPaaS possibilities. It covers HAProxy configuration, JVB (Jitsi Videobridge) sharding, sticky session ma This document describes how to configure and use WebSockets in Jitsi Videobridge (JVB) for client-bridge communication. For information about WebSockets configuration specifically, see WebSockets Configuration. All users connect to the videobridge; they send their video and audio stream to it, and receive the video and audio streams of the other users from it. If you already have Apache installed, the Jitsi Meet installer will instead configure Apache. si. Apr 18, 2025 · This document describes the overall system architecture of Jitsi Meet, including major components, their interactions, and data flow. Mar 13, 2024 · Jitsi Videobridge（JVB）- WebRTC兼容服务器，用于在会议参与者之间路由视频流。 jvb默认监听10000 udp端口，端口被占用，端口没有放开等则路由会失败,视频就无法传输。 Jul 1, 2025 · Discover how to scale Jitsi for 1000 users. Jitsi Videobridge (JVB) - WebRTC compatible server designed to route video streams amongst participants in a conference. Helm chart for HA Jitsi-meet. It covers session creation, participant allocation, multi-bridge scenarios, and ses This page provides an overview of how Jitsi Videobridge (JVB) establishes and maintains network connections with clients. , up to hundreds of conferences per server). 04 LTS as the operating system, to start the installation you can follow the guide below. prosody This is the XMPP server used for creating the MUCs (multi-user Apr 18, 2025 · This document provides a high-level introduction to the Jitsi Meet project, its architecture, and main components. Mar 11, 2021 · By default, all participants of a conference will use the same videobridge (without Octo). While in a conference, the browser, Jitsi Videobridge and Jitsi Meet rely on things like simulcast and temporal scalability to adapt the amount of traffic they emit to the available network bandwidth. For speci This document describes the codec-specific quality filtering mechanisms in Jitsi Videobridge that enable selective forwarding of video packets based on codec-specific quality indicators. If you feel that you are a network and server administration newbie, don't even think of going there. It is just a connector that allows SIP servers and B2BUAs to connect to Jitsi Meet. At the heart of Jitsi are Jitsi Videobridge and Jitsi Meet, which let you have conferences on the internet, while other projects from the community enable other features such as audio, dial-in, recording, and simulcasting. jit. Jitsi Videobridge uses multiple signaling and control message systems to coordinate conference state, manage media flows, and communicate with clients. Jun 13, 2022 · Architecture There are many new things in our backend architecture! 1. Sep 5, 2024 · As businesses grow, their video conferencing needs often increase. g. This one covers how to setup live streaming and recording using the Jibri module for Jitsi Meet. Technical Details To implement this we leverage the selective forwarding capabilities of the Jitsi Videobridge. This document describes the speech activity tracking system in Jitsi Videobridge, which identifies the dominant speaker in a conference and maintains ordered lists of endpoints based on speech activit Statistics Generation and Export Architecture The system collects metrics from all active conferences, endpoints, relay connections, transport layers, and JVM runtime. This document provides a detailed explanation of the Transceiver, RtpReceiver, and RtpSender components that form the core media processing pipeline in Jitsi Videobridge. Check Jitsi-videobridge documentation on adding several bridges to a Jitsi Meet server, and OCTO to go even beyond that (federation of Jitsi Meet servers). This endpoint is scraped by Prometheus based on the definition of a PodMonitor available by the Prometheus Operator. The architecture is built around four core components: Videobridge, Conference, Endpoint (and Open Source Video Conferencing for Developers. Nov 10, 2022 · The second substantial change that we are making to the backend is to be able to have more sophisticated topologies for the Jitsi Videobridges to relay media among them. This cached snapshot is then served through three independent export mechanisms, each with its own Jitsi architecture ¶ The Jitsi videobridge, also known as jvb, is the component that does the most essential work: it hosts conferences. Dec 27, 2022 · Jitsi comprises a collection of projects: Jitsi Meet — WebRTC compatible JavaScript application that uses Jitsi Videobridge to provide high quality, scalable video conferences Jitsi Videobridge Jul 15, 2025 · Learn the ropes of scaling Jitsi Meet with multiple nodes and load balancing for a stress-free video conferencing experience. Insiders: parties involved in the maintenance of the Jitsi Meet installation. Jigasi SIP Gateway Relevant source files Purpose and Overview Jigasi (Jitsi Gateway to SIP) is a server-side application that allows regular phone users to join Jitsi conferences. Server-Side Architecture Relevant source files Purpose and Scope This document describes the server-side components of the Jitsi Meet platform, including their relationships, communication flows, and key functionality. Which Jitsi Architecture Variant to choose is based on each We provide commercial support for Jitsi Meet, Kurento, OpenVidu, BigBlue Button, Coturn Server and other webRTC related opensource projects. One of the amazing features in Jitsi Meet is the inbuilt horizontal scalability. Components Jitsi comprises a collection of projects: Jitsi Meet - WebRTC compatible JavaScript application that uses Jitsi Videobridge to provide high-quality, scalable video conferences. The client architecture interfaces with the Jitsi Videobridge and other server components via the lib-jitsi-meet library, which abstracts WebRTC, XMPP, and other communication protocols. Quality filte Oct 4, 2025 · Overview Relevant source files Jigasi (Jitsi Gateway to SIP) is a server-side application that bridges Jitsi Meet conferences and SIP (Session Initiation Protocol) telephony systems. This page provides an overview of installing and deploying Jitsi Videobridge in production environments. It serves as an entry point for understanding the codebase structure and how differen Jitsi is a set of open-source projects that allows you to easily build and deploy secure videoconferencing solutions. It covers how various Jitsi components authenticate to Sep 10, 2025 · Jitsi's foundation is built on modular architecture with clear separation of responsibilities. Jibri is a module that acts as a silent participant inside a conference. What is more, the possibility to very easily install and run your own instance of Jitsi Meet completely removes the need for you to trust a third party provider. Prosody: An Jitsi Meet Video Conferencing Server on Ubuntu Secure, Simple and Scalable Video Conferences. For This document provides a detailed overview of the authentication mechanisms and security considerations for the Jitsi infrastructure deployment. These topics are essential for developers seeking a deeper understanding of JVB's inner workings, particularly related to SSRC cache, adaptive source projection, and codec-specific handling. Oct 17, 2025 · Learn what Jitsi Videobridge is, how Jitsi components work, and why it matters for video conferencing solutions. JVB pools We used to have shards consisting of a “signaling node” and a group of JVB (jitsi-videobridge, our media server) instances. Since Jitsi is built on top of WebRTC, a deeper look into its security architecture is very important when evaluating Jitsi’s security aspects. Understand how Jitsi works with clear, step-by-step explanations. It covers how RTP and RTCP pa Conference and Endpoint Lifecycle Relevant source files This document describes the complete lifecycle of conferences and endpoints in Jitsi Videobridge, from creation through media flow to teardown. Please note this post doesn’t cover how to set this up with Apache, so use nginx if you can. Architecture In this section, a global overview of the Jitsi infrastructure is provided. Jun 2, 2021 · Architecture et configuration de Jitsi Meet chez Framasoft Architecture * un serveur EX52-NVMe chez Hetzner pour l’installation de base (Prosody, Jicofo, VideoBridge…) * un serveur EX62-NVMe chez Hetzner pour l’installation d’un second VideoBridge Installation Jun 1, 2025 · This page explains how Jicofo manages media sessions with Jitsi Videobridge instances through the Colibri2 protocol. It focuses on the backend services that power Jitsi meetings, specifically the XMPP server (Prosody), conference focus (Jicofo), media server (Jitsi Videobridge), and related Apr 22, 2025 · Explore best practices for configuring Jitsi Multiple Videobridge to enhance performance in high-load scenarios. conf file. Advanced Topics Relevant source files This document covers advanced technical components of Jitsi Videobridge (JVB) that enable efficient media forwarding, quality adaptation, and stream management. Stack: Java, WebRTC. May 2, 2023 · Jitsi Videobridge - the core of the system, a WebRTC media server with SFU/Simulcast architecture that routes media sessions between conference participants. Apr 2, 2025 · Jitsi Meet - is the WebRTC compatible JavaScript application that uses Jitsi Videobridge to provide video conferencing Jitsi Videobridge (JVB) - is the server that is designed to route video streams amongst participants in a conference. Apr 29, 2025 · Core Components Relevant source files This document provides a technical overview of the core components in the Jitsi Meet video conferencing infrastructure. And this is exactly what broke when we had to scale to 50+ shards Mar 17, 2021 · Jigasi is a server-side application that links and allows regular SIP clients to join Jitsi Meet conferences hosted by Jitsi Videobridge. DevOps Guide (scalable setup) A single server Jitsi installation is good for a limited size of concurrent conferences. It is easy to scale the video bridges horizontally by adding as many as needed. record-ing the participants in a conference). This document provides a high-level overview of Jigasi's architecture, key components, and how Jul 3, 2018 · Yasen Pramatarov just released this third tutorial video. . Detailed information about specific installation methods, configuration, and operational proced Jitsi's free & open source video conferencing projects are developed by an active community. Currently, when more than one Jitsi Videobridge is used in a conference (in Jitsi’s Octo/Relay technology), the bridges are connected to each other in a full mesh. Later that year initial support was added to the Jitsi Videobridge allowing WebRTC calling from the browser. SSRC (Synchronization Source) is a 32-bit identifie Aug 13, 2018 · This new feature is available today – give it a try now on meet. It covers the main building blocks, their relationships, and key configuration aspects. It runs entirely in the browser and can be operated self-hosted. Later that year initial support was added to the JitsiVideobridge allowing WebRTC calling from the browser. Our previous blog provides the rationale behind using Jitsi Videobridge [JVB] as the media server. What do you do with my data? A Jitsi Meet installation (holding one "shard", term explained below) consists of the following different components: web This container represents the web frontend and is the entrypoint for each user. Jun 21, 2022 · Explore the comprehensive guide to Jitsi Meet and JaaS, covering its architecture, features, and applications in WebRTC media server technology. It covers both client-side and server-side architecture. JVB functions as a Selective Forwarding Unit (SFU) that routes media streams between conference participants without transcoding. It serves as a bridge between the SIP (Session Initiation Protocol) used in telephony systems and the XMPP/Jingle protocols used by Jitsi Meet. Make a call, launch on your own servers, integrate into your app, and more. For deployment architecture information, see Deployment Architecture, and for authentication details, see Authentication and Security. This page provides an overview of the three main Jitsi introduced the Videobridge in 2013 to support multiparty video calling with its Jitsi clients using a new Selective Forwarding Unit (SFU) architecture. Jigasi registers as a SIP client and can be called or be used by Jitsi Meet to make outgoing calls. This page describes the SSRC rewriting and stream continuity systems in Jitsi Videobridge. Participants: any individual part of the meeting, who will have access to everyone else’s audio / video once authorized to be in the meeting. Oct 31, 2025 · Explore Jitsi components and architecture in this easy beginner's guide. At the same time, we will change the Jicofo component in Jitsi meet to subscribe to the XMPP node for events published by all videobridge nodes. Due to Jitsi’s modular, opensource, and highly configurable nature, there are many different architecture variations available when deploying a Jitsi ecosystem. It is also responsible for managing the audio/video quality and maintaining the WebRTC protocol. Overview of Core Components The Jitsi Videobridge architecture consists of several key components that work together to create and manage video conferences. Following tutorial will guide you to install Jitsi VideoBridge for Video Router in your own on-premises, cloud, or dedicated servers. You can see Jitsi Meet in action here at the session #482 of the VoIP Users Conference. 0 license. A Zoom alternative, Jitsi Meet is an open-source (Apache) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, secure and scalable video conferences. Apr 28, 2025 · Jitsi Videobridge follows a hierarchical architecture where the bridge manages multiple conferences, each containing multiple endpoints, and optionally connecting to other bridges via relays. A periodic timer triggers statistics generation at the configured interval (default 5 seconds), updating a cached snapshot. JVB is responsible for routing media streams between conference participants, while Jicofo manages conference creation, participant connections, and bridge selection. Download Jitsi Meet Android and iOS apps. Info: Jitsi Meet, Architecture. This guide is using Ubuntu 16. Die maximale Teilnehmerzahl einer Konferenz hängt von der jeweiligen Jitsi Meet is an open-source (Apache) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, secure and scalable video conferences. Provided that all required ports are routed (forwarded) to the machine that it runs on. In a cloud based environment, additionally the bridges can be scaled up or down as needed. Jitsi introduced the Videobridge in 2013 to support multiparty video calling with its Jitsi clients using a new Selective Forwarding Unit (SFU) architecture. Learning everything online today. Apr 4, 2025 · Jitsi architecture explained in simple terms. SIP integration enables participants to join meetings from various devices, including hardware phones or softphones such as Bria, video conferencing systems such as Zoom, […] Sep 10, 2025 · Jitsi Meet is a free, WebRTC-based video conferencing system under Apache 2. XMPP uses default ports 5222 and 5269. Stop mixing video channels and start using Jitsi Videobridge instead. Outsiders: parties who gained illegitimate access to a component in a Jitsi Meet installation, for example a Jitsi Videobridge. Why embedding makes sense for companies Colibri2 Protocol and XMPP Relevant source files Purpose and Scope This page describes the Colibri2 signaling protocol used for conference control in Jitsi Videobridge. May 21, 2024 · In the evolving landscape of virtual meetings, seamless connectivity remains paramount. e. When you want to cater large number of concurrent users, you can spin up multiple video bridges to handle the load. In our usual layout with the active talker in the center and everyone else’s thumbnail, the Videobridge chooses between a low-resolution and high-resolution Jitsi Meet ist eine WebRTC -basierende Software für Videokonferenzen. This page covers the May 21, 2024 · Learn more about Jitsi, a free open-source video conferencing software for web & mobile. using SIP), and provides enhanced server-side services (e. The Jitsi Meet client runs in your browser, without installing anything else on your computer. The first limiting factor is the videobridge component, that handles the actual video and audio traffic. If you want to host many conferences on your Jitsi cluster, you will need a lot of videobridges to process all of the resulting video streams. Tutorials The Jitsi Chapter in the “Architecture of Open Source Applications” book How to create OSGi Services for Jitsi How to write GUI plugins How to implement support for your favorite protocol in Jitsi How to create and maintain a Jitsi installer How to translate Jitsi How to add key bindings How to use on-line provisioning Jul 10, 2018 · In Yasen Pramatarov’s latest tutorial video, he walks through concepts on how to scale and load balance a Jitsi Meet install in the cloud: Yasen uses Amazon Web Services (AWS) as an example, but […] The videobridge pods mentioned above have a sidecar container deployed that gathers metrics about the videobridge and exposes them via a Rest endpoint. Installation Methods Jitsi Self-Hosting Guide - Docker Quick start In order to quickly run Jitsi Meet on a machine running Docker and Docker Compose, follow these steps: Download and extract the latest release. Mar 17, 2020 · In late 2013, with the arrival of WebRTC, Jitsi migrated to the cloud with its Jitsi Videobridge (some small fragments of that code still date back to the very early days although most have been completely rewritten multiple times) and the rest of its web conferencing components like Jitsi Meet. This document describes Jitsi Videobridge's multi-bridge architecture, commonly referred to as "Octo" or the relay system. Jitsi’s architecture allows for dynamic scaling in real-time. Sep 18, 2018 · Real-time communication, a tricky business, and large-scale video conferencing are especially so. Each Endpoint in a Conference has its own IceTransport and DtlsTransport instances that work together to provide secure connectivity. JVB uses various network protocols to enable real-time communication between p If the installation is on a machine behind NAT jitsi-videobridge should configure itself automatically on boot. It’s a Selective Forwarding Unit (SFU) designed to run thousands of video streams from a single server — and it’s fully open source and WebRTC compatible. The modular architecture consisting of Jitsi Videobridge (SFU), Jicofo, Prosody, Jibri and Jigasi makes it ideal for integration, rebranding and automation. Jitsi Conference Focus (jicofo) - server-side focus component used in Jitsi Meet conferences that manages media sessions and acts as a load balancer between each of the participants and the videobridge. Jul 22, 2024 · Learn how to scale your Jitsi Meet infrastructure on AWS using Terraform in this comprehensive step-by-step tutorial. - jitsi/jitsi-videob Apr 19, 2024 · After updating Jitsi a few months ago I ran into connection and video issues. Jitsi Meet Instance: A Compute Instance running Prosody for XMPP protocol, Jicofo, and NGINX. Jitsi Videobridge Configuration The Jitsi Videobridge (JVB) is responsible for routing video and audio streams between participants in a conference. This article focuses on the reasons why I used Jitsi and then my development experiences. Let us explain the many improvements that can be made, online. Jitsi Meet allows very May 15, 2020 · To configure Jitsi meet with multiple videobridge nodes, we will need to change all the videobridge node to publish their status to the default XMPP server. Jitsi Videobridge uses a layered transport architecture to establish secure WebRTC connections. For information about recording and streaming capabilities, see Jibri Oct 17, 2025 · Understanding Jitsi Components: A Beginner’s Guide Learn the fundamentals of Jitsi architecture and components with this beginner-friendly guide. Time to review my Jitsi server setup behind a NAT and Reverse Proxy and fix it! In addition to Jitsi Meet instances running in WebRTC-capable browsers, Jitsi Videobridge is capable of interacting with other full-fledged client software, gateways to legacy networks (e. Understand how Jitsi works, step-by-step. Jitsi’s architecture, particularly Jitsi Videobridge, allows the platform to scale efficiently without sacrificing performance. Understanding this lifecycle is essential for debugging connection issues and understanding how the bridge manages participant sessions. Run your own service with the latest Jitsi Videobrige, Meet, Jicofo, and Jigasi Linux builds - stable & nightlies Apr 29, 2025 · Jitsi Videobridge (JVB) and Jicofo Relevant source files This document details the configuration and deployment of Jitsi Videobridge (JVB) and Jicofo (Jitsi Conference Focus) components in the infrastructure repository. Luckily, Jitsi’s architecture allows for scaling videobridges up and down pretty easily. In order to make bridges in different regions available for selection, we just interconnected all bridges in all shards. Learn more about deploying and developing with us today! Jul 17, 2017 · There is also a second advantage. Colibri2 is the primary protocol by which Jicofo (the conference focus component) manages conferences, endpoints, and relays on the videobridge. If three way calls do not work, further configuration of jitsi-videobridge is needed in order for it to be accessible from outside. Der gesamte Jitsi- Softwarestack wird über den XMPP -Server Prosody verwaltet. The Jitsi Videobridge routes users’ streams to Jibri where they are recorded or sent to YouTube for live streaming: This document explains the SCTP (Stream Control Transmission Protocol) data channel implementation in Jitsi Videobridge, which enables reliable bidirectional data transfer between clients and the brid Aug 8, 2019 · In the quest of building the ultimate Open Source video conferencing solution, we built The Jitsi Videobridge, née JVB. Extensible Messaging and Presence Protocol (XMPP): Standard open communication protocol. In folder Default of Grafana, you will find a dashboard for the current state of your Jitsi-installation. [9] Jitsi Meet ist eine Serversoftware, die für die Nutzer den Client als Webapplikation bereitstellt, während die Jitsi Videobridge die Server -Komponente bildet [10]. Jitsi Videobridge is the software videobridge that acts as a SFU (Selective Forwarding Unit) to forward the media streams to other participants in the same conference. In addition to being powerful and optimized, JVBs are built to scale, which make them more dynamic for media transport. DO NOT clone the git repository. This document describes the bandwidth allocation system in Jitsi Videobridge, which determines which video layers to forward to each receiving endpoint based on available bandwidth, client preferences, and speech activity. Its configuration is defined in the jvb. The protocol is transported over XMPP using IQ stanzas. This document describes how to configure and use WebSockets in Jitsi Videobridge (JVB) for client-bridge communication. Learn how Jitsi Meet works and how its components connect for smooth video conferencing. WebSockets provide an alternative to WebRTC Data Channels for transport of Colib Aug 6, 2024 · Architecture Components Jitsi Videobridge (JVB): An open source Selective Forwarding Unit (SFU) that runs up to thousands of video streams from a single server. It enables regular SIP clients to join Jitsi Videobridge conferences and offers real-time transcription capabilities. WebSockets provide an alternative to WebRTC Data Channels for transport of Colib Jitsi introduced the Videobridge in 2013 to support video calling with multiple people using a new Selective Forwarding Unit (SFU) architecture. jrftt unftqyiz wypio ibilz slwp fdhpy ptkpq mbiss wjh fxghk nzfflsl rsxjca keeervz yyyn mdqsd