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- Boström, Gustav, et al.
(författare)
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Aspects in the Agile Toolbox
- 2005
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The introduction of agile methodologies promises faster time to market and a flexible, customer-driven software development process. The flexibility with regards to requirements can however also be a risk if new non-functional requirements need to be implemented late in a software development project. In this article we argue that aspect-oriented programming is a technique that can mitigate this risk by providing the means to deal with non-functional, crosscutting requirements. The suggested solution is illustrated by an example where new requirements in the form of quality of service demands on an existing service are implemented by using aspect orientated programming.
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- Boström, Gustav
(författare)
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Database Encryption as an Aspect
- 2004
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Ingår i: AOSD'04 International Conference on Aspect-Oriented Software Development.
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Konferensbidrag (refereegranskat)abstract
- Encryption is an important method for implementing confidentiality in information systems. Unfortunately applying encryption effectively can be quite complicated. Encryption, as well as other security concerns, is also often spread out in an application making implementation difficult. This crosscutting nature of encryption makes it a potentially ideal candidate for implementation using AOP. In this article we provide an example of how database encryption was applied using AOP with AspectJ on a real-life healthcare database application. Although the attempt was promising with regards to modularity, amount of effort and security engineering, it also revealed problems related to substring queries that need to be solved to make the approach really useful.
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- Boström, Gustav, et al.
(författare)
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Quality of Service Evaluation in Virtual Organizations Using SLAs
- 2006. - 1
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Ingår i: 1st International Workshop on Interoperability Solutions to Trust, Security, Policies and QoS for Enhanced Enterprise Systems (IS-TSPQ 2006).
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Konferensbidrag (refereegranskat)abstract
- Cooperating in Virtual organizations requires trust between the constituting organizations. SLA contracts are put in place in order to specify the quality of service of services offered. For these contracts to be effective they also need to be monitored effectively. In a Service Oriented Architecture this often means monitoring Web service invocations and evaluating if the service fulfills the obligations in its SLA. In this paper we present an implementation of a rule engine based SLA Evaluator specifically designed for the needs of a virtual organization. The evaluator fits in the context of a virtual organization through the use of open XML-based standards and a loosely coupled, event-driven architecture.
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- Boström, Gustav, 1973-
(författare)
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Simplifying development of secure software : Aspects and Agile methods
- 2006
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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Reducing the complexity of building secure software systems is an important goal as increased complexity can lead to more security flaws. This thesis aims at helping to reduce this complexity by investigating new programming techniques and software development methods for implementing secure software. We provide case studies on the use and effects of applying Aspect-oriented software development to Confidentiality, Access Control and Quality of Service implementation. We also investigate how eXtreme Programming can be used for simplifying the secure software development process by comparing it to the security engineering standards Common Criteria and the Systems Security Engineering Capability Maturity Model. We also explore the relationship between Aspect-oriented programming and Agile software development methods, such as eXtreme Programming.
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- Henkel, Martin, et al.
(författare)
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Moving from internal to external services using aspects
- 2006
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Ingår i: Interoperability of Enterprise Software and Applications. - London : Springer. - 1846281512 ; , s. 301-310
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Konferensbidrag (refereegranskat)abstract
- Service oriented computing and web service technology provide the means to structure an organisation’s internal IT resources into a highly integrated network of services. In e-business and business process integration the internal services are interconnected with other, external organisations’ resources to form virtual organisations. This move from using services internally to external use puts new non-functional requirements on the service implementation. Without any supporting technologies, meeting these new requirements can result in re-writing or changing a large part of the service implementation. In this paper we argue that aspect oriented programming is an important technique that can be used to facilitate the implementation of the new requirements that arises when moving from internal to external services. The suggested solution is illustrated by an example where quality of service metrics is implemented by using aspect oriented programming.
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