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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/41621
Record Status
Checked
Record Id
41621
Title
Trading off security in a service oriented architecture
Contributors
G Swart (IBM)
,
B Aziz (Imperial College London)
,
S Foley (University College Cork)
,
J Herbert (University College Cork)
Abstract
Service oriented architectures provide a simple yet flexible model of a computing system as a graph of services making requests and providing results to each other. In this paper we define a formal model of a service oriented architecture and using it, we define metrics for performance, for availability, and for various security properties. These metrics serve as the basis for expressing the business requirements. To make trade-offs possible we also define a set of cost metrics, denominated in a uniform currency, to measure the cost of not meeting a requirement. The model, the property metrics, and the cost metrics are then used to generate a Constraint Satisfaction Problem where the objective function is set to minimize the aggregate system cost. We have written these constraints and defined realistic requirements in OPL and we have used them to generate system configurations that minimize the overall cost by optimally trading off the business requirements.
Organisation
CCLRC
Keywords
Engineering
,
Security
,
Service Oriented Computing
,
Constraint Satisfaction Problem
Funding Information
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Paper In Conference Proceedings
In 19th Annual IFIP WG 11.3 Working Conference on Data and Applications Security (DBSec 2005), Storrs, CT, USA, 7-10 Aug 2005, (2005).
doi:10.1007/11535706
securitytradeoffsFinal.pdf
2005
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