Play Framework (11) — Basic Concept

Play Framework is event-driven server. NodeJS is threaded server.

Non-blocking IO

• build on top of Netty
  Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients.
• no sensitivity to downstream slowness
• easy to parallelize IO and make parallel request easy
• supports many concurrent and long running connections, enabling websockets, coment, server-sent-events.