Try this playground. Build a conference room with little code
RTC Public PAAS/SAAS are expensive and limited flexibility, like: Twilio/Agora/Zoom
Real Destributed RTC System is not easy. Many Public PAAS/SAAS based on destributed architecture with microservices. This is not a simple cluster architecture.
ION make all things easy, from front-end to back-end, will support all platforms, all scene, all protocol
Tips: You can learn go/webrtc/flutter/.. first if you are a newbie of RTC, see faq