I am a Principal Researcher in the Systems and Networking Group at Cambridge.
Latest: Workshop on Networks, Auctions and Pricing, June 2009, Cambridge.
Research Interests:
Distributed Control, Application Performance, Quality of Service, Performance Modelling and Stochastic Networks, Economics and Game theory.
Current hot topics: Routing Games, Auctions / adauctions, Pricing, multipath routing, Home Networks, SDR (Software Defined Radio)
2009
- Christos Gkantsidis, Thomas Karagiannis, Peter Key, Bozidar Radunovic, Elias Raftopoulos, and D. Manjunath, Traffic management and resource allocation in small wired/wireless networks, in Fifth ACM International Conference on emerging Networking EXperiments and Technologies (CoNEXT 2009) , Association for Computing Machinery, Inc., December 2009
- Bozidar Radunovic, Dinan Gunawardena, Peter Key, Alexandre Proutiere, Nikhil Singh, Horia Vlad Balan, and Gerald Dejean, Rethinking Indoor Wireless: Low Power, Low Frequency, Full-duplex, no. MSR-TR-2009-148, 24 July 2009
- Gaurav Sharma, Ayalvadi Ganesh, and Peter Key, Performance Analysis of Contention Based Medium Access Control Protocols, in IEEE Trans. Information Theory, vol. 55, no. 4, pp. 1665 – 1682, IEEE, April 2009
- Bozidar Radunovic, Dinan Gunawardena, Alexandre Proutiere, Nikhil Singh, Vlad Balan, and Peter Key, Efficiency and Fairness in Distributed Wireless Networks Through Self-interference Cancellation and Scheduling, no. MSR-TR-2009-27, 12 March 2009
- Bozidar Radunovic, Christos Gkantsidis, Peter Key, and Pablo Rodriguez, Toward Practical Opportunistic Routing with Intra-session Network Coding for Mesh Networks, in ACM/IEEE Transactions on Networking, IEEE/ACM Transactions on Networking, 2009
2008
- Peter Key and Richard Gibbens, Coalition Games and Resource Allocation in Ad-Hoc Networks, in Bio-Inspired Computing and Communication (Biowire), vol. 5151/2008, pp. 387–398, Springer Verlag, Heidelberg, November 2008
- Thomas Karagiannis, Christos Gkantsidis, Peter Key, Elias Athanasopoulos, and Elias Raftopoulos, HomeMaestro: Distributed monitoring and diagnosis of performance anomalies in home networks, no. MSR-TR-2008-161, 29 October 2008
- Bozidar Radunovic, Christos Gkantsidis, Dinan Gunawardena, and Peter Key, Horizon: Balancing TCP over Multiple Paths in Wireless Mesh Network, in MobiCom'08, Association for Computing Machinery, Inc., 14 September 2008
- Richard Mortier, Thomas Karagiannis, and Peter Key, Address and traffic dynamics in a large enterprise network, no. MSR-TR-2008-98, July 2008
- Peter Key and Laurent Massoulié, Control of communication networks: welfare maximization and multipath transfers, in Philosophical Transactions of the Royal Society A, vol. 366, no. 1872, pp. 1955-1971, June 2008
- Thomas Karagiannis, Elias Athanasopoulos, Christos Gkantsidis, and Peter Key, HomeMaestro: Order from Chaos in Home Networks, no. MSR-TR-2008-84, May 2008
- H. Seferoglu (UC Irvine), A. Lakshmikantha (UIUC), A. Ganesh (University of Bristol), and Peter Key, Dynamic decentralized multi-channel MAC protocols, in Information Theory and Applications (ITA 08), Institute of Electrical and Electronics Engineers, Inc., UCSD, January 2008
- Bozidar Radunovic, Christos Gkantsidis, Peter Key, and Pablo Rodriguez, An Optimization Framework for Opportunistic Multipath Routing in Wireless Mesh Networks, in INFOCOM Minisymposium, 2008
2007
- Bozidar Radunovic, Christos Gkantsidis, Peter Key, Pablo Rodriguez, and Wenjun Hu, An optimization framework for practical multipath routing in wireless mesh networks, no. MSR-TR-2007-81, June 2007
- Christos Gkantsidis, Bozidar Radunovic, Peter Key, Steluta Gheorgiu, Wenjun Hu, and Pablo Rodriguez, Multipath Code Casting for Wireless Mesh Networks, no. MSR-TR-2007-67, June 2007
- Peter Key, Laurent Massoulié, and Don Towsley, Path Selection and Multipath Congestion Control, in Proc. IEEE Infocom 2007, IEEE, May 2007
- Peter Key, Laurent Massoulié, and Don Towsley, Multipath Routing, Congestion Control and Load Balancing, in ICASSP 2007, April 2007
2006
- Peter Key and Laurent Massoulié, Fluid models of integrated traffic and multipath routing, in Queueing Systems, vol. 53, no. 1, pp. 85–98, June 2006
- A.J. Ganesh, P.B. Key, D. Polis, and R. Srikant, Congestion Notification and Probing Mechanisms for Endpoint Admission Control, in IEEE/ACM Transactions on Networking, vol. 14, no. 3, pp. 568–578, June 2006
- A. Ganesh, D. Gunawardena, P. Key, L. Massoulié, and J. Scott, Efficient quarantining of scanning worms: optimal detection and coordination, in Infocom 2006, IEEE, April 2006
- Gaurav Sharma, Ayalvaid Ganesh, and Peter Key, Performance Analysis of Contention Based Medium Access Control Protocols, in Infocom 2006, IEEE, April 2006
- Peter Key, Laurent Massoulié, and Don Towsley, Combining Multipath Routing and Congestion Control for Robustness, in CISS 2006, 40th Conference on Information Sciences and Systems, Institute of Electrical and Electronics Engineers, Inc., March 2006
- Laurent Massoulié and Peter Key, Schedulable regions and equilibrium cost for multipath flow control: the benefits of coordination, in CISS 2006, 40th Conference on Information Sciences and Systems, Institute of Electrical and Electronics Engineers, Inc., March 2006
2005
- Peter Key, Laurent Massoulie, and Don Towsley, Combined Multipath Routing and Congestion Control: a Robust Internet Architecture, no. MSR-TR-2005-111, August 2005
- Peter Key and Laurent Massoulié, Fluid Limits and Diffusion Approximations for Integrated Traffic Models, no. MSR-TR-2005-83, June 2005
Contact details
Dr Peter Key
Microsoft Research Cambridge
Roger Needham Building
7 J J Thomson Avenue,
Cambridge CB3 0FB,
U.K

Opportunities
Economics/Economics Related Positions
We are actively looking for an outstanding Researcher and Post-doc with a background in Economics, to enhance and complement our existing research work in network economics/ congestion pricing, reputation systems andad ranking. Please email me directly with your CV if interested in applying.
Post-Doc and Researcher Positions
We have a small number of openings in the Systems and Networking group for Post-docs and Researchers . Candidates should hold a PhD, or expect to complete their PhD shortly, and should have a track record of publication in the leading conferences or journals. Further details can be found on the Cambridge Lab web page. On-line application tool.
Internships
We have opportunities for strong mid-term PhD candidates available throughout the year - please click on the link for detailed information. I am personally interested in taking on interns outside the summer - please email me directly on this.



