a web service with an average latency of 100 ms at 1,000 requests per second, 1% of requests might easily take 5 seconds.<sup><a data-type="noteref" id="id-QQLuAIXFxCz-marker" href="#id-QQLuAIXFxCz">23</a></sup> If your users depend on several such web services to render their page, the 99th percentile of one backend can easily become the median response of your <span>frontend</span>.
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                                The simplest way to differe