WebSocket limitations
WebSocket is an Internet Engineering Task Force (IETF) protocol used by Diffusion™ to provide a full-duplex communication channel over a single TCP connection. It is not supported by all browser versions.
| Version | WebSocket support? | 
|---|---|
| Internet Explorer® 9.0 and earlier | NO | 
| Internet Explorer 10.0 and later | YES (see note) | 
| Firefox® | YES | 
| Chrome™ | YES | 
| Safari® | YES | 
| Opera® | YES | 
| iOS® | YES | 
| Android™ | YES | 
Note: 
                    Internet
                                        Explorer
                 11 contains a bug that
        causes WebSocket connections to be dropped after 30 seconds of
        inactivity. To work around this problem set the system ping frequency to 25 seconds or less.
        You can set the system ping frequency in the Server.xml configuration
        file.