Chapter 4
Security in Grid Computing
4.
1 Introduction
Security in grids differs from the Internet security due to the challenges
that arise when we seek to build scalable virtual organizations (VOs).
As
discussed in Chapter 1, VOs are a group of...
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Chapter 4
Security in Grid Computing
4.
1 Introduction
Security in grids differs from the Internet security due to the challenges
that arise when we seek to build scalable virtual organizations (VOs).
As
discussed in Chapter 1, VOs are a group of geographically distributed individuals or organizations having permanent or temporary existence created to
share resources and services among themselves.
This sharing is governed by
a set of rules or policies that define the conditions and extent for that sharing.
The dynamic and cross-organizational nature of the virtual organization
makes the problem of implementing security in grids a challenging one.
The
problem is complicated by the fact that there is no central point of control in
grids.
Absence of a central point of control in grids means that each resource
provider in the grid has to make an assessment of the risk before interacting
with any other service provider.
To understand the process of risk assessment
and subsequent trust e
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