In the perfect case we want to talk directly to the remote TCP server, without translation of the protocol. Have duplex connection, which allows you to receive push notificationsĪnyway, there’s still place of improvement.Reuse a single TCP connection for each message by the client.No need to send additional HTTP headers, which in some cases are huge.The performance of the second case is much better by a few reasons: I haven’t included the initial WebSocket handshake, since there isn’t any significant overhead by it, because it is initiated only a single time. Translate the response to textual data, if required.
Receive a response by the remote TCP server.Translate the received data by the proxy.Send textual data to the remote WebSocket.RenaissanceĪfter the era of the WebSockets, but without binary data support, we would: You initiate new POST/GET request for each client request and in case “Keep-Alive” is not set you might need to open TCP socket for each HTTP connection. Translates the response to textual data, if required.Receive a response by the target server.Forward the request to the target TCP server.Translate the request in the back-end service from textual data to binary data, if required.Make XMLHttpRequest to a back-end service (our proxy).before WebSockets, I don’t consider long polling as solution), the flow would be something like: Forwards each message from the client to the TCP server and vice versaīefore the era of the duplex network communication in JavaScript (i.e.Establishes TCP connection with the remote TCP server.Establishes connection with the client (our client-side JavaScript).
The second best option would be to use intermediate proxy, which:
#SENDING BINARY MESSAGES BACK INTIME FULL#
In the perfect world I’d be talking with the remote TCP server, through TCP sockets, connecting directly from the client-side JavaScript and consuming the received binary data.īecause of limitations of the client-side API, JavaScript doesn’t has access to plain TCP sockets, there’s no full happiness. Last couple of weeks I’m trying to build high-performance consumption of binary protocol through the browser. Processing Binary Protocols with Client-Side JavaScript
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