Integration of IT service management into enterprise architecture
Proceedings of the 2007 ACM symposium on Applied computing
Simulation of IT Service Processes with Petri-Nets
Service-Oriented Computing --- ICSOC 2008 Workshops
Methodology evaluation framework for dynamic evolution in composition-based distributed applications
Journal of Systems and Software
Describing variability in service-oriented software product lines
Proceedings of the Fourth European Conference on Software Architecture: Companion Volume
Service research challenges and solutions for the future internet
Component oriented design and modeling of cross-enterprise service processes
OTM'05 Proceedings of the 2005 OTM Confederated international conference on On the Move to Meaningful Internet Systems
Modularizing services: A modified HoQ approach
Computers and Industrial Engineering
Information and Software Technology
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The demise of first generation service models of application service providers (ASP) indicates that moving from individualized services (e.g. many outsourcing offerings) to fully standardised services (e.g. first generation ASP models) leaves many customer requirements unfilled. In our paper we argue that a possible solution for building innovative e-services is the use of modular service architectures.The paper introduces the characteristics of IT services, based on a case study with a leading German provider of application hosting services in the ERP market. We pay particular attention to the general composition of IT services, the role of external factors (how customers and their resources participate in service operations), and varying customer preferences. Referring to these considerations, the paper explains the concept of modularity and the application of the concept in the domain of IT services. We specifically address how the concept of modular service architectures addresses external factors and varying service levelrequirements. We give an example how the concept of modular service architectures can be leveraged to improve the design and to allow for improved customization of IT services. We conclude with identifying possible further research questions that need to be pursued to achieve the vision of semi-standardised, mass customizable solutions for IT service provision.