2. Valentin Duricu valentin.duricu@wayfare.ro
Websockets 4 Progress
Valentin Duricu

3. About me •Progress OpenEdge developer at Wayfare ~ 2 years
•4 years web development experience
•Some projects related to OpenEdge
Cloud Developer Studio (cloud-studio.ro)
OpenEdge mode for ACE Editor (bit.ly/1iqCa6u)
•Hobbies: Photography, Recreational Gaming
•Contact me at
•More about me: valentin.duricu.ro

4. THE CHALLENGES

5. Data has to be available as soon as possible
Data changed => Changes must be seen right away
Desktop Applications: Observer / Publish-subscribe pattern
Web Applications: Comet protocol – Ajax with long polling, dependent on the browser

6. THE SOLUTION

8. WebSockets
•Protocol providing full-duplex communication for web applications •Single TCP connection •Interpreted by HTTP servers an Upgrade request •Can be implemented over standard sockets •Available in browsers with HTML 5 support

9. THE IMPLEMENTATION

10. Web Application
OpenEdge Backend
HTTP Server

11. .Net + IIS Node.JS + Socket.IO Java 8 + Tomcat 8 OpenEdge
Web Application
HTTP Server
OpenEdge
Backend
WebSockets
Progress
Open Client API

14. THANK YOU

15. Links
•Contact me at •More about me: valentin.duricu.ro •Source code: valentin.duricu.ro/upload/PUGOE.tar.bz2