- Request for Comments: 2474 - Definition of the Differentiated Services Field (DS Field)
- Request for Comments: 2475 - An Architecture for Differentiated Services
- Request for Comments: 3140 - Per Hop Behavior Identification Codes
- Request for Comments: 3260 - New Terminology and Clarifications for Diffserv
On a Solaris system Differentiated Services is called IP Quality of Service.