Understanding HTTP Data Transmission and Connection Management

HTTP communication typically includes entity data in the request and response messages (entity). An entity is the actual data content carried by the HTTP message, such as the request body in a request or the response body in a response. Each entity has corresponding metadata descriptions, such as Content-Type and Content-Length header fields.Content-Type indicates the … Read more

The 60-Second Curse in HTTP Protocol: A Performance Mystery Triggered by an Irregular Response

The 60-Second Curse in HTTP Protocol: A Performance Mystery Triggered by an Irregular Response

Introduction The operations engineer stared at the 60-second loading progress bar on the monitoring screen, frowning. A JS file of less than 400KB was stuck in the browser for a full 60 seconds. Network packet capture showed a peculiar TCP closing trilogy between the SSL gateway and the backend server, with everything pointing to that … Read more