Tag
networking
distributed systemsWhen "no healthy upstream" isn't about the upstream you think
Learn what Envoy's no healthy upstream error means, why health checks can remove every backend, and how timeouts and retries can trigger it.
distributed systemsHTTP Chunked Transfer Encoding Explained with curl
Learn what Transfer-Encoding: chunked means in HTTP/1.1, inspect hexadecimal chunk sizes with curl --raw, and see how HTTP/2 and HTTP/3 differ.
Updated · originally
asp.net coreUnderstanding the WebSocket Protocol with ASP.NET Core
Understand the WebSocket protocol through an ASP.NET Core example: inspect the HTTP upgrade, frames, EndOfMessage, and a raw echo endpoint.
Updated · originally