Websocket research links
A WebSocket server is a TCP application listening on any port of a server that follows a specific protocol, simple as that. The task of creating a custom server tends to scare people; however, it can be easy to implement a simple WebSocket server on your platform of choice

Title Pushing Updates to the Web Page with HTML5 Server-Sent Events - Developer Drive
Description The HTML5 Server-Sent event model allows you to push realtime data updates from the server to the browser.
Tags event,eventsource