:. Response to the Collapsed LAN* Rodney Van Meter, Greg Finn, Steve Hotz Information Sciences Institute University of Southern California Marina del Rey, CA 90292 {rdv,fum,hotz} @ISI.Edu Dave Dyer ddyer~netcom.com h In a recent paper in this publication, Professors Wilkes and Hopper proposed a shift in architecture they referred to as the collapsed LAN [6]. One of its basic concepts is to separate the display, keyboard and mouse (they referred to this as the terminal, we will call it the head), from the CPU and storage chassis by a dedicated fiber-optic cable. This allows the chassis to reside in a machine room, where it can be cared for properly and interconnected with other hosts over substantially shorter distances than are common in a local area network (LAN). We thank them for raising important fundamental issues in the design space of computer systems, and take this opportunity to augment the discussion. We would like to make readers aware of some additional examples of similar architectures, as well as point out some research on other points in the physical design space of CPU chassis and display heads. One successful example is the Symbolics 3600 series of Lisp machines and its
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