Jaap Kabbedijk

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Software products are part of a larger network of products, suppliers and partners, called a software ecosystem, working together in order to provide functionality for the users and generate profit for the vendors. Not much is known about the characteristics and relationships within such a software ecosystem. This paper presents an overview of the open(More)
Product software vendors are regularly challenged with identifying and selecting the requirements of upcoming product releases. Companies struggle to involve their customers and have a hard time selecting the right requirements from the enormous number of candidate requirements. This paper presents a practical approach to overcome these problems by(More)
In order to serve a lot of different customers in a SaaS environment , software vendors have to comply to a range of different varying requirements in their software product. Because of these varying requirements and the large number of customers, a variable multi-tenant solution is needed to achieve this goal. This paper gives a pragmatic approach to the(More)
Within the business software domain it is crucial for a software vendor to comply to different customer requirements. Traditionally this could be done by offering different products to different customers, but because multi-tenant business software deployments use one software product to serve all customers, this is no longer possible. Software vendors have(More)
Business software is increasingly moving from a traditional on-premises deployment model to a Software as a Service deployment model. In a Software as a Service deployment model, the possession and ownership of the software application is separated from its use. The software is hosted by a Software as a Service provider, relieving the customer organization(More)
Associate models are powerful tools for large software ecosystem orchestrators to manage clusters within its ecosystem. At present, however, it remains unclear how these associate models are used in practice and of what elements such models consist. Without an overview of what associate models consist of, the concept of software ecosystem orchestration will(More)
SUMMARY Lead-time is crucial for decision–making in market-driven requirements engineering. Lead-time efficiency allows software companies to focus their resources on the most profitable functionality, and enables to remain competitive on the fast-changing software market. Achieving and sustaining low decision lead-time and the resulting high decision(More)
Software as a service is frequently offered in a multi-tenant style, where customers of the application and their end-users share resources such as software and hardware among all users, without necessarily sharing data. It is surprising that, with such a popular paradigm, little agreement exists with regard to the definition, domain, and challenges of(More)
Software architects struggle to choose an adequate architectural style for multi-tenant software systems. Bad choices result in poor performance, low scalability, limited flexibility, and obstruct software evolution. We present a comparison of 12 Multi-Tenant Architecture (MTA) patterns that supports architects in choosing the most suitable architectural(More)