Web Development

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Using Server Sent Events to Simplify Real-time Streaming at Scale (shopify.engineering)

submitted 1 year ago by [email protected] to c/webdev

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We walk through how we implemented an SSE server that's scalable and load-balanced to simplify and improve a real-time data visualization application.

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[–] bitcrafter 2 points 1 year ago (1 children)

I am not really sold that going to all of this effort to implement a new communication mechanism is really a better plan than just going with WebSockets, even if WebSockets is not a perfect fit (which they very briefly cover in the article). However, if I am wrong then perhaps someone here could explain to me what I am missing.

[–] [email protected] 3 points 1 year ago

SSE are websocks but with a broadcast model. All you need is a websocket open to any of the broadcast sources without providing two-way communication on the socket. Therefore management of a lot of connected clienta becomes very cheap, as you just need them connected to any proxy.that serves your events.