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SSE (EventSource), with bidirectional emulation

SSE (EventSource) connection endpoint in Centrifugo is:

/connection/sse
info

This transport is only implemented by our Javascript SDK at this point – as it mostly makes sense as a fallback for WebSocket to have real-time connection in an environment where WebSocket is unavailable. These days those envs are mostly corporate networks which can block WebSocket traffic (even TLS-based).