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I think most of you don't realise at what scale Coinbase work. You just have to watch the trade history on GDAX for a few seconds to understand the sheer volume of what is actually happening. The GDAX web socket is very very robust. It's very rarely down for me, and have not been down at all since they did whatever upgrade/maintenance they had to a few days ago.

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Do you realise the scale at which wall street/nasdaq/nyse all work? Have you ever looked at trading volume in large brokerage tools like TD Ameritrade. GDAX isn't there.

I think the point most people here are making is–this is the big leagues and if you want to be taken seriously, suspending trading mid-day is unacceptable (happened this week).

Nothing to do with web sockets IMO.

Yesterday Nasdaq handled ~10 million trades and probably ~1 billion messages so about 30k messages per second over all equities while keeping response times below 100 microseconds for the most part. GDAX is peanuts compared to any of the equities exchanges.

Hell, I worked for a startup FX exchange once with a team of 4 devs working on the actual matching pipeline and our beta product handled much more volume with better latency.

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