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Communication over a Secured Heterogeneous Grid with the GriddLeS Runtime Environment

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Communication over a Secured Heterogeneous Grid with the GriddLeS Runtime Environment
Scientific workflows are a powerful programming technique for specifying complex computations using a number of otherwise independent components. When used in a Grid environment, it is possible to build powerful “virtual applications” across multiple distributed and heterogeneous resources. Whilst toolkits such as Globus virtualize many system attributes, and thus make it easier to span different organizations, inconsistent security policies and resource heterogeneity can limit the applicability of workflow techniques. In earlier work, we have described a novel run time environment, GriddLeS, that supports flexible communication patterns between workflow ts. GriddLeS abstracts IO operations, such that applications are given the illusion of operating on a local file system, whilst in fact they send and receive data between components. In this paper, we describe how GriddLeS assists in resolving some of the issues that arise due to heterogeneity in security policies and system archi...
Jagan Kommineni, David Abramson, Jefferson Tan
Added 11 Jun 2010
Updated 11 Jun 2010
Type Conference
Year 2006
Where ESCIENCE
Authors Jagan Kommineni, David Abramson, Jefferson Tan
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