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Error Recovery for SLA-Based Workflows within the Business Grid

Quan, Dang Minh; Altmann, Jorn; Yang, Laurence T. - Technology Management, Economics and Policy Program … - 2010

This chapter describes the error recovery mechanisms in the system handling the Grid-based workflow within the Service Level Agreement (SLA) context. It classifies the errors into two main categories. The first is the large-scale errors when one or several Grid sites are detached from the Grid...

Persistent link: https://www.econbiz.de/10008511412

How Variability in Individual Patterns of Behavior Changes the Structural Properties of Networks

Koohborfardhaghighi, Somayeh; Altmann, Jorn - Technology Management, Economics and Policy Program … - 2014

expanding social relations beyond their social circles). According to our simulation results, the probability increases that the …

Persistent link: https://www.econbiz.de/10010793631

Cost and Benefit of the SLA Mapping Approach for Defining Standardized Goods in Cloud Computing Markets

Maurer, Michael; Emeakaroha, Vincent C.; Brandic, Ivona; … - Technology Management, Economics and Policy Program … - 2010

. The simulation results show that the use of heuristics within adaptation methods helps balancing the cost and benefit of …

Persistent link: https://www.econbiz.de/10008783918

IT Service Platforms: Their Value Creation Model and the Impact of their Level of Openness on their Adoption

Gebregiorgis, Selam Abrham; Altmann, Jorn - Technology Management, Economics and Policy Program … - 2012

Many IT service platforms (e.g., cloud computing platforms) are built as closed systems. They do not allow their customers to interoperate with other platforms or port their data to other platforms. As switching to different system is costly, customer of a closed IT system can be considered...

Persistent link: https://www.econbiz.de/10010593113

Using SLA Mapping to Increase Market Liquidity

Risch, Marcel; Brandic, Ivona; Altmann, Jorn - Technology Management, Economics and Policy Program … - 2009

, facilitate SLA mapping (i.e. mapping of offers to requests). The usefulness of this approach is demonstrated through simulation …

Persistent link: https://www.econbiz.de/10008511391

The Impact of the Subgroup Structure on the Evolution of Networks: An Economic Model of Network Evolution

Kim, Kibae; Altmann, Jorn; Hwang, Junseok - Technology Management, Economics and Policy Program … - 2010

One of the most important properties of self-organized networks is their scale-free property. Prior research proved empirically and theoretically that scale-free networks emerge under the preferential attachment rule. However, a few empirical studies also show that empirical networks diverge...

Persistent link: https://www.econbiz.de/10008511397

Two Risk-aware Resource Brokering Strategies in Grid Computing:Broker-driven vs. User-driven Methods

Hwang, Junseok; Park, Jihyoun; Altmann, Jorn - Technology Management, Economics and Policy Program … - 2010

latter a user-driven method. Two mechanisms are analyzed through simulations. The simulation results show that both methods …

Persistent link: https://www.econbiz.de/10008511398

Agent-based Simulation of Cooperative Innovation

Lenz-Cesar, Flavio; Heshmati, Almas - Technology Management, Economics and Policy Program … - 2010

This paper introduces an agent-based simulation model representing the dynamic processes of cooperative R&D in the … internationally standardized Korean Innovation Survey in 2005. Simulation algorithms and parameters were defined based on the … real world. The aim of this simulation game was to create a basic implementation that could be extended to test different …

Persistent link: https://www.econbiz.de/10008511406

Capacity Planning in Economic Grid Markets

Risch, Marcel; Altmann, Jorn - Technology Management, Economics and Policy Program … - 2010

Due to the few computing resource planning options currently available in Grid computing, capacity planning, an old discipline for analyzing resource purchases, is simple to perform. However, once a commercial computing Grid is established, which provides many different resource types at...

Persistent link: https://www.econbiz.de/10008511407

The GridEcon Platform: A Business Scenario Testbed for Commercial Cloud Services

Risch, Marcel; Altmann, Jorn; Guo, Li; Fleming, Alan; … - Technology Management, Economics and Policy Program … - 2010

Within this paper, we present the GridEcon Platform, a testbed for designing and evaluating economics-aware services in a commercial Cloud computing setting. The Platform is based on the idea that the exact working of such services is difficult to predict in the context of a market and,...

Persistent link: https://www.econbiz.de/10008511413