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[Lindner] Lindner, P, Beisel, T, Resch, M, Imamura, T, Menday, R, Wieder, P, Erwin, D, GRIDWELTEN: User Requirements and Environments for GRID-Computing: http://www.hlrs.de/research/grids/gridwelten/gridwelten.pdf[visited 15/03/2005] Network Design [Hillier] Hillier, J, The use of firewalls in the UK e-Science grid: http://e-science.ox.ac.uk/events/firewall-workshop/FirewallIdeas.pdf [visited 15/03/2005] [PERT] Performance Enhancement and Reporting Team:

Networks are a key part of the Grid vision, so network design must be considered as part of a Grid deployment. The physical networks to which Grid systems are connected, the allocation of IP addresses and the use of appropriate network controls can all have significant benefits for the performance and security of a Grid. Conversely, if these issues are not included in the early planning they can cause endless problems.

Grid computing uses a distributed architecture to let teams of researchers in different physical locations and time zones collaborate on large scale projects in many disciplines. It is a novel application that involves new models of computing and new network protocols. Grids require complex and dynamic patterns of trust to be established and implemented, with computers relying on one another to make decisions on the identity and rights of individual users.

6.1 Janet Policies Any organisation connecting to Janet is required to abide by three policies established to support the role of the network in enabling education and research. These are as follows: