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Glossary · Platform

WebRTC

All termsHow Enclessa secures data

WebRTC is the browser standard for real-time audio, video and data connections, which lets a web page carry a call without a plugin and encrypts every media stream by default.

Open betaThe platform is being built in the open, so parts of it are not there yet, behaviour changes between releases, and no availability figure is committed while it is in beta. What is still being built.

What WebRTC means

WebRTC bundles several problems that used to be solved separately: capturing microphones and cameras, negotiating codecs, discovering a network path between two machines behind different firewalls, and encrypting the result. The path discovery is done by ICE, which gathers candidate addresses and tests them, falling back to a relay server when no direct route exists.

Encryption is not optional in WebRTC. Media is protected with DTLS-SRTP as part of the specification, so every call has hop-by-hop encryption whether or not the product mentions it. This is worth knowing because it is frequently marketed as though it were a differentiator; it is table stakes, and it does not by itself mean a call is end-to-end encrypted through a server that forwards it.

The reason WebRTC needs infrastructure at all is that peer-to-peer only scales to very small calls. Every additional participant multiplies the streams each machine must send, so real group calling requires a server in the middle — which is what an SFU is.

How Enclessa uses it

Enclessa calls are WebRTC, carried through LiveKit as the media server. Screen sharing, device selection, the lobby and host controls are built on it. What Enclessa does not do is claim WebRTC’s built-in transport encryption as end-to-end encryption; the separate mechanism that gives calls an end-to-end key is described on the calls feature page.

Where WebRTC is specified

Related terms

SFU (Selective Forwarding Unit)A selective forwarding unit is a media server that receives one stream from each participant in a call and forwards copies to the others, without decoding or mixing them.Read the entryLiveKitLiveKit is an open-source WebRTC media server, licensed under Apache 2.0, that provides selective forwarding, room management, access tokens and recording for real-time audio and video applications.Read the entryEnd-to-end encryptionEnd-to-end encryption is a design in which a message is encrypted on the sending device and decrypted only on the receiving devices, so that the server carrying it holds no key that can open it.Read the entry

Read further

The security page explains how Enclessa protects data and which certifications it does not hold. The trust centre covers the processing agreement, the subprocessors and the residency position. The FAQ answers the questions buyers ask most often.

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