https://carlos.enredando.me/tags/keystone/Recent content in Keystone on EnRedAndo Me - Carlos PradosHugo -- gohugo.ioenmail@carlosprados.com (Carlos Prados)mail@carlosprados.com (Carlos Prados)© 2026 Carlos PradosThu, 13 Aug 2026 00:00:00 +0000https://carlos.enredando.me/posts/the-2-percent-delta/Thu, 13 Aug 2026 00:00:00 +0000mail@carlosprados.com (Carlos Prados)https://carlos.enredando.me/posts/the-2-percent-delta/<p>Here&rsquo;s the pitch every OTA system makes: don&rsquo;t ship the whole binary, ship the difference. You changed three functions, so send three functions&rsquo; worth of bytes. On a fleet connected over NB-IoT at 20–60 kbps, that is the difference between an update that lands and an update that times out for two hours.</p> <p>I wanted that for <a href="https://github.com/carlosprados/keystone" target="_blank" rel="noreferrer">Keystone</a>, my edge orchestration agent. So before building anything, I measured it against two real consecutive releases.</p>