Web application interacts bi-directional with server program?

Web application interacts bi-directional with server program?

References

Reference NO 1

http://stackoverflow.com/questions/13583941/web-application-interacts-bi-directional-with-server-program

Reference NO 2

http://stackoverflow.com/questions/13583941/web-application-interacts-bi-directional-with-server-program

Reference NO 3

http://www.sitepen.com/blog/2008/07/18/clientserver-model-on-the-web/

Reference NO 4

http://link.springer.com/chapter/10.1007%2F978-3-642-02053-7_1

Reference NO 5

http://www.fudco.com/software/index.html

Reference NO 6

https://asana.com/luna

Reference NO 7

http://www.htmlgoodies.com/html5/other/create-a-bi-directional-connection-to-a-php-server-using-html5-websockets.html

Reference NO 8

http://ocsigen.org/eliom/