HTTP protocol is the basis for all communication over the web, and it has catered to our needs since the early days. HTTP works in a request and response model, where a request needs to be sent to the server to get any update from there. This creates challenges in handling a few scenarios where we need real time data: when a user opens a web page then it needs to be updated, and when there is a change on the server but as per the HTTP architecture, a new request must be sent to get an update from the server. This creates a bad experience for the user and multiple requests may throttle…Read complete post on Infragistics blog.

Cheers,
Brij