Intro to REST
Joe Gregorio goes over the basic principles behind REST.
RFC 2616:
http://www.ietf.org/rfc/rfc2616.txt
RFC 3986:
http://www.rfc-editor.org/rfc/rfc3986.txt
Architectural Styles and the Design of Network-based Software Arhchitectures:
http://www.ics.uci.edu/~fielding/pubs/dissertation/top.htm
Caching Tutorial:
http://www.mnot.net/cache_docs/