Cettia Protocol is a protocol based on web standards A to provide reliable full duplex connection B and elegant patterns to write real-time applications C. Also it provides the test suite to verify your client or server implementation. D

A
As component of the specification, RFC and W3C standards are mostly adopted. You don't need to reinvent the wheel.
B
It is designed considering their known issues and best practices of real-time web so that you can write a real-time application running on from modern browsers to old browsers seamlessly.
C
It provides a useful suite of features making modern web application development fast and enjoyable.
D
You don't need to take trouble to demonstrate your implementation works correctly. Just show test arguments and test results.