GLOBUS TOOLKIT
History of Globus
The first version, Globus v1.0, ran on about 10 different operating systems, from Windows to Cray, and maintenance was a nightmare.
A few years later, the second evolution of Globus Toolkit (GT2) arrived. While several APIs and interfaces looked the same, the internals were to a large extent rewritten.
The evolution GT4, what is the difference in security.
Globus Case Study - SCEC
Actual simulation code may be stored in repositories under the control of the author, while the computers being used to execute these codes may be located within a national facility
Grid infrastructure furnishes the fundamental services needed to locate, access, and manage shared resource
Much like TCP/IP and DNS provide the basic services on which can be built higher-level capabilities, such as the World Wide Web, Globus services are designed to provide the low-level mechanisms on which higher level, domain specific services are constructed.
Algorithm Optimization in Grid
Simplex Algorithm Optimization
0
12
34
5
67
89
10
1 2 3 4 5
Number of Computers
Tim
e in
min
ute
s
Summary about Grid Computing
Grid is not the Holy Grail of implementing algorithms
Grid computing is relatively cheap since the ability to support computation across administrative domains sets
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