NDLI: Service portfolio measurement: a framework for evaluating the financial consequences of out-tasking decisions

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Service portfolio measurement: a framework for evaluating the financial consequences of out-tasking decisions

Content Provider	ACM Digital Library
Author	vom Brocke, Jan Lindner, Maik A.
Abstract	Topical developments in software-engineering facilitate the establishment of new design patterns for information systems. In Service-Oriented Architectures (SOA), processes of an information system can be extracted and "out-tasked" to service providers. KEEN/MCDONALD highlight the changes that are brought about by such an architecture with their statement ,,Out- tasking [.] breaks a company into a portfolio of process-centered operations rather than interlocking departments or functions." [30]. Examples of technologies that have been developed for this purpose are COM+, CORBA und RMI [55]. With the initiative of Enterprise Application Integration (EAI), web-services turn out in practice to enable a widely spread realization of SOA. With these technological achievements, new management tasks are arising in information systems science. As information systems are increasingly interlinked with other systems by various service providers, it is important to choose the appropriate composition of a corporate service portfolio. For this purpose, the long-term economic consequences of out tasking decisions have to be taken into account. In this paper, we suggest a methodological framework for efficiency calculations that intends to suit for a proper evaluation of these consequences. Due to the long-term consequences of information systems design, methods of capital budgeting are applied in the framework. Using Financial Plans (VOFI) [18], all payments driven by a decision can be taken into account, including various conditions for funding and loaning as well as taxes. We apply this method by analyzing typical in- and out-payments driven by out-tasking decisions that have to be taken into account throughout the life-cycle of service-oriented information systems. For evaluation purposes, efficiency measures need to be calculated. These measures indicate which composition of the service portfolio is most profitable in a certain corporate situation. In this paper, we demonstrate how to calculate the Total Cost of Ownership (TCO) as well as the Return on Investment (ROI) of a Service Portfolio on the basis of capital budgeting. Finally, perspectives are discussed for applying and extending the framework for Service Portfolio Measurement.
Starting Page	203
Ending Page	211
Page Count	9
File Format	PDF
ISBN	1581138717
DOI	10.1145/1035167.1035197
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2004-11-15
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Return on investment It-controlling Portfolio measurement Service-oriented business applications Service-oriented architectures Total cost of ownership Portfolio management
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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