Engineering notes on distributed systems, networking, embedded firmware and platform reliability.https://helloinfotech.in/enhttps://helloinfotech.in/insights/tail-latency-is-the-product/https://helloinfotech.in/insights/tail-latency-is-the-product/Mean response time describes a request that mostly does not exist. Tail latency describes the one your customer remembers — and at scale, almost every user hits the tail eventually.Sat, 18 Jul 2026 00:00:00 GMTsoftwareperformancedistributed-systemsobservabilityHello Infotechhttps://helloinfotech.in/insights/convergence-is-not-one-number/https://helloinfotech.in/insights/convergence-is-not-one-number/A vendor datasheet quotes convergence as a single figure. In production it is a chain of four independent delays, and the one you did not tune is the one that decides your outage duration.Fri, 10 Jul 2026 00:00:00 GMTnetworkingroutingbgpreliabilityHello Infotechhttps://helloinfotech.in/insights/the-bootloader-must-never-be-wrong/https://helloinfotech.in/insights/the-bootloader-must-never-be-wrong/Every other component in an embedded product gets a second chance through an update. The code that performs the update does not. That asymmetry should change how it is written and reviewed.Sun, 28 Jun 2026 00:00:00 GMTembeddedfirmwarebootloaderotasecurityHello Infotech