This paper was written in 1995, when Internet really started to take off in its growth. It looks at the applications on the network, particularly applications with real time requirement such as audio/video applications, and discusses options for supporting a service model that supports more than one single class of best-effort service. The paper argues that routers have to be able to differentiate between different class of service and give priority to application with real time constraint.
However, looking at the Internet today. Multimedia applications are everywhere, yet explicit admission control is not used in the network. The reality is that bandwidth has grown so quickly and now it can comfortably satisfy normal video viewing with proper buffering.
This paper gives very comprehensive view of the Internet architecture from a historical perspective (in 1995). Definitely a very good fit in the syllabus and a great introduction to the next paper.
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