The Trojan Room Coffee Machine

Click here for an up to date picture of the Trojan Room coffee machine.

About this service

This service was created as the first application to use a new RPC mechanism designed in the Computer Laboratory - MSRPC2. It runs over MSNL (Multi-Service Network Layer) - a network layer protocol designed for ATM networks.

A video capture board in an Acorn Archimedes grabs one frame every second and the WWW server requests a frame from it using MSRPC2 (indirectly). Each frame is JPEG encoded by the Archimedes.

The online coffee pot actually predates our World Wide Web server by some time. If you want to know how it all came about, take a look at its (non-technical) biography.

The University of Cambridge Computer Laboratory.


  • The lights in the Trojan Room aren't always switched on, but we try to leave a small lamp pointing at the coffee pot so you can see it at night.
  • Apart from the fares to get here, you need to be a member of the coffee club before partaking.
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