SockJS-node is a server counterpart of SockJS-client a JavaScript library that provides a WebSocket-like object in the browser. SockJS gives you a coherent, cross-browser, Javascript API which creates a low latency, full duplex, cross-domain communication

WebSocket-multiplex is a thin library on top of SockJS that allows you to do multiplexing of many virtual WebSockets connection over a single physical one.

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