Last update:
Apr 1, 2000
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Perspectives on Grid Technology
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Ian Foster
Argonne National Lab.
Speaker:
Ian Foster
A computational grid, like its namesake the electric power grid,
provides quasi-ubiquitous access to capabilities that cannot easily be
replicated at network endpoints. In the case of a high-performance
grid, these capabilities include both high-performance devices
(networks, computers, storage devices, visualization devices, etc.)
and unique services that depend on these devices, such as virtual
data, smart instruments, collaborative design spaces, and
metacomputations. In this talk, I disuss some of the technical
challenges that arise when we attempt to build such Grids: in
particular, the frequent need to meet stringent end-to-end performance
requirements despite a lack of global knowledge or control. I also
review some of the efforts that are developing Grid infrastructure and
exploring Grid applications internationally. In particular, I
describe the Globus project, a multi-institutional effort that is
developing key grid infrastructure components, for authentication,
resource location/allocation, process management, communication, and
data management. I describe various Globus components, including the
techniques used to achieve single sign-on, user-to-resource
authentication, and process-to-process authentication over resources
located in different administrative domains.
Presentation:  |
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