Requirement for Web Online Video Live Streaming

I’m working on a project and I need to know what the requirements are:

***On the website
***On the server
***and Gadgets to make this work…

That depends on what you are lookin forward to; in terms of traffic control and bandwidth consumption. Am currently workin on a project like that and launching soon. What streaming platform/engine are you planning to use…then I can recommend server config spec…?