You're right, in that case it'll work just as well. The problem is that it's easy to get wrong, so the developer needs to know what he/she is doing. Fortunatel

You're right, in that case it'll work just as well. The problem is that it's easy to get wrong, so the developer needs to know what he/she is doing. Fortunately wrappers like Socket.io, SockJS, Primus, etc can help with this.