I found this rather interesting, I have no ideal if it has been posted before.
Dr David Greaves, MIEE, completed his PhD at the University of Cambridge in 1989 on the subject of ATM metropolitan area networks. For several years he was a research engineer at Olivetti Research in Cambridge, where he delveloped ATM prototype switches and line interfaces. In 1993, he was network architect for the Cambridge Interactive Television Trial which was the world's first testbed to provide ATM network connectivity all the way to the home. This trial ran for 18 months and served more than 50 homes and schools. He is a University Lecturer in Cambridge. Dr Greaves is also on the TAB, a director of or consulting for AT&T, BT, VirataGlobespan, NVEI, TransEDA, AMG and Tenison Technology. Dr DJ Greaves is a member of the Systems Research Group and undertakes research in the area of hardware design and system specification with emphasis on networking. He has recently been working on tools for the Verilog language using formal methods and the HOL theorem prover and is now applying these techniques to more general hardware and software system specification and codesign using high-level languages. In the Hanlan project, Dr Greaves and his group are investigating the integration of media-access control and VDSL modem design for high-performance networking over home phone wiring within the home. This project integrates ATM and Frame traffic at the physical layer and uses novel synchronisation techniques to avoid preambles which would otherwise dominate and reduce efficiency. In a similar way to mobile multimedia radio projects, issues of the variability of available bandwidth to higher layers may eventually affect application, protocol and QoS vector design. In the Autohan project, Dr Greaves' group is investigating the use of declarative languages based on composite events to control and monitor networks, with a view to providing intuitive and intelligent user interfaces to home networks. Dr Greaves is a practical engineer who has designed many systems and ASICs which are in wide use throughout the world. He has a ten-node home ATM network which is linked to AT&T Cambridge via a 25 Mbps ATM packet radio system.
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