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by xg15
1586 days ago
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> Certainly, if you have other requests in flight, you could have head-of-line blocking because of a packet that was dropped in a response stream that isn’t related to your SSE stream, but this only applies if there’s packet loss, and the packets that were lost could just as easily be SSE’s or websocket’s. That was what I meant. Yes, head-of-line blocking can occur everywhere there is TCP, but with HTTP2, the impact is larger due to the (otherwise very reasonable) multiplexing: When a HTTP2 packet is lost, this will stall all requests that are multiplexed into this connection, whereas with websocket, it will only stall the websocket connection itself. |
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