The key challenge facing modern IT is managing the “network transition” from systems comprising many relatively isolated computational elements to large-scale, massively interconnected systems that are physically distributed and affected by local conditions yet must remain secure, robust, and efficient.
We are already surrounded by systems that are attempting to achieve this transition: from e-government, the digital NHS and virtual universities, to peer-to-peer communities, grid computing and e-science. Traditional, centralised approaches do not scale to cope with these systems, and as yet we have no established design methodology capable of guiding this type of transition. Consequently, engineering large-scale IT systems can be a haphazard and wasteful enterprise.
In this proposal, we take inspiration from natural systems that achieve fault-tolerant, flexible and efficient functionality, despite being distributed and unsupervised.
We focus on the role of the spatial organisation of networks and the spatial processes within which they are embedded, factors that have often been neglected. We identify neural networks and geographic networks as key spatially embedded adaptive systems, and propose an interdisciplinary research programme to explicate factors responsible for stability, flexibility, etc., in each case, and mobilise these insights as novel design rules for complex IT infrastructure and software.
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Michael Batty
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