How Resumable Uploads Actually Work

Logosofia no Dia a Dia · Jul 3, 2026 · 22m · transcript

Ever wondered how a file upload survives a dropped connection? This episode unpacks the engineering behind resumable transfers — from TCP's limitations to the TUS protocol that powers Vimeo and Google Photos. We explore why downloads are easy, uploads are hard, and how chunking, offset tracking, and atomic writes turn flaky connections into reliable sync engines. Whether you're uploading from a campsite or a coffee shop, the invisible stack that makes resumption possible is more clever — and more fragile — than you'd think. Episode 4080 — myweirdprompts.com/n/4080 (permanent short link…