Actual CDN version¶

CDN 2.17 is the actual CDN version in the latest WCS build. It is backward compatible with all the previous CDN versions.

CDN features supported¶

CDN version	Features
CDN 2.0	Dynamic CDN with adding and removing nodes on the fly
CDN 2.1	Dynamic CDN with a separate Transcoder node
CDN 2.2	Dynamic CDN with stream playback authentication using custom ACL
CDN 2.3	Dynamic CDN with redundant transcoding prevention and extended streaming stats
CDN 2.4	Dynamic CDN with additional signaling connection management
CDN 2.5	Dynamic CDN with a forceful passive nodes removing
CDN 2.6	Dynamic CDN with stream metadata propagation from Origin to Transcoder and Edge nodes
CDN 2.7	Dynamic CDN with stream recording on a separate Recorder node
CDN 2.15	Dynamic CDN using the same signaling channel for CDN and WebRTC signaling between nodes
CDN 2.16	Dynamic CDN using WebRTC traffic XOR obfuscation between CDN nodes
CDN 2.17	Dynamic CDN with published streams replication from one Origin to another

CDN Node type	Introduced in	Description
ORIGIN	CDN 2.0	ORIGIN node to publish a stream
EDGE	CDN 2.0	EDGE node to play a stream
TRANSCODER	CDN 2.1	TRANSCODER node to transcode a stream before playing it
CONTROLLER	CDN 2.3	CONTROLLER node to manage transcoders in the CDN
RECORDER	CDN 2.7	RECORDER node to pull a stream from ORIGIN and record it automatically