What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?

I have tried reading some articles, but I am not very clear on the concepts yet. Would someone like to take a shot at explaining to me what these technologies are: Long Polling Server-Sent Event Websockets Comet One thing that I came across every time was, the server keeps a connection open and pushes data … Continue reading What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?