Imperial College London


Faculty of EngineeringDepartment of Computing

Emeritus Professor in Mathematical Modelling



+44 (0)20 7594 8363p.harrison Website




353Huxley BuildingSouth Kensington Campus




Research Grants

EU:   MOdel-Driven Approach for design and execution of applications on multiple Clouds (MODAClouds)

(Joint with Giuliano Casale and Will Knottenbelt)

October 2012 - September 2015   £482,000

EPSRC: Intelligent Management of Big Data Storage (BEDS) 

(Joint with Will Knottenbelt and Giuliano Casale)

March 2014 - February 2017 £460,066

EPSRC: Approximate product-forms and reversed processes for performance analysis (APROPOS)

March 2012 - February 2015    £418,713


Dr Naresh Patel, Technical Director, Performance Engineering, NetApp Inc, Performance modelling of storage systems, 2005

Guest Lectures

Keynote Talk: Reducing the Wag in the Tail by Sharding and Replication, IEEE International Conference on Modeling and Simulation of Computer and Telecommunications Systems (MASCOTS), London, 2016

Performance Modelling and Concurrency, Probability models in computer science, Royal Society, London, 2010

Turning back time – what impact on performance? Computer Journal Lecture, British Computer Society / Computer Journal, London, 2008

Bus Modelling in Zoned Disks RAID Storage Systems; 
Keynote, Workshop on Practical Applications of Stochastic Modelling (PASM 2008), Palma de Mallorca, 2008

Approaches to Handling Exploding State Spaces; Keynote, MASCOTS 2007, 15th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS’07), Istanbul, Turkey, 2007

From Stochastic Modelling to Performance Engineering; Keynote IEEE IPDPS/PMEO 2007, International Workshop on Performance Modeling, Evaluation, and Optimization of Parallel and Distributed Systems (IEEE IPDPS/PMEO 2007), Long Beach, California, 2007