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Cloud system management is complex due to their diversity and frequent runtime changes. Cloud systems were previously managed through cloud specific management tools that focus on optimising technical metrics, such as performance. However, business users care business metrics (such as cost and revenue) more than technical metrics. To address these issues, this paper proposes a unified business-driven...
With emerging trends for Internet of Things (IoT) and Smart Cities, complex data transformation, aggregation and visualization problems are becoming increasingly common. These tasks support improved business intelligence, analytics and enduser access to data. However, in most cases developers of these tasks are presented with challenging problems including noisy data, diverse data formats, data modeling...
Sporadic operations such as rolling upgrade or machine instance redeployment are prone to unpredictable failures in the cloud largely due to the inherent high variability nature of cloud. Previous dependability research has established several recovery methods for cloud failures. In this paper, we first propose eight recovery patterns for sporadic operations. We then present the filtering process...
This paper introduces an architecting method for distributed process-intensive systems. Traditional methods (e.g. object-orientation, structured analysis or component/service-based designs) decompose a process-intensive system into entities with attached domain-specific operations (process constituents). This results in fine-grained Remote Procedure Calls in distributed systems which are often detrimental...
REpresentational State Transfer (REST) is the set of design principles behind the World Wide Web (WWW). REST treats all entities in the world as link-connected resources, and supports a resource-oriented architecture (ROA) for the design of applications. REST and ROA are responsible for many of the desirable quality attributes achieved in the WWW, such as loose-coupling (better adaptability) and interoperability...
Composing adaptive and self-managing Web services needs plug-and-play architecture so that the deployment of control components does not require changes made to the Web services and the host middleware platforms. This is especially challenging for Web services running on COTS middleware platforms, such as Microsoft.Net. In this paper, we propose an architectural solution that introduces a management...
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