Experience Thinkers

There is a good requirements in industry where you need to update data over web in real time. But because of HTTP limitations you can't directly push data from server to client. so lets understand what all options do we have to simulate the PUSH  environment . If you have worked in any real time web application where data needs to be updated on UI in real time like Share trading platforms, reservation systems, ticketing systems, etc. you would have been easily understand the requirement and power of PUSH. for others lets understand why PUSH is important in many mission critical applications. for ex. a user using a share trading application where with  some delay  he get the updates of different scripts which he is looking to buy/sell. Now consider a scenario where user made a request to buy particular script at a given price he seen 5 sec's below. But because somebody else is also trading in the same script so the price will get  impacted accordingly. Now because you ha