while I am an advocate of WebRTC, it still have a way to go until it matures enough. Until then, most of the things you will see with it are demos and hype. Where is it still lacking and what needs to be done to improve it?
There are a lot of ways in which services can be launched these days: from stitching a bunch of existing web services to building everything on a dedicated data center. How do these compare to each other?
People often mistake the signaling protocol with the ability to achieve better media quality. I think it is time to put things straight: SIP or any other signaling protocol has nothing to do with media quality.