An activity diagram to describe the resolution of HTTP response status codes, given various headers.

Not only can Squid be used to cache content and route requests (using redirectors), it can also enforce security policy (using ACLs and authentication), serve as a metrics collection point (e.g., see the histograms on slide 31), and it can be used for loa

I've talked about the request-reply message exchange pattern that HTTP uses, but we've never looked at what those messages translate into during transmission. Unlike TCP, which is sometimes used with the request-reply style but is inherently uncorrelated,

ETags, or entity-tags, are an important part of HTTP, being a critical part of caching, and also used in "conditional" requests. So what is an etag?

While I don't think you can just dismiss POST out of hand, I would say that most uses of POST for new protocol design are bad.

Recently there has been widespread interest in using Hypertext Transfer Protocol (HTTP) as a substrate for other applications-level protocols. This document recommends technical particulars of such use, including use of default ports, URL schemes, and HT

A Response to

An argument against improperly overloading the HTTP POST Method

I was musing recently about the semantics of this response from an RDF perspective.