Since the beginning of the Service-Oriented Architecture (SOA) paradigm, with its various implementation technologies such as Web services, the focus of industrial communities has been on providing tools that would allow seamless and flexible application integration within and across enterprises’ boundaries. In this paper, the authors present a Context-based, Service-oriented Modeling and Analy...

Security is an important aspect of Service-oriented Architectures (SOAs), enabling the service-based integration of partner IT systems across organizational boundaries, i. e., in the Internet of Services. Current trends in SOA security, e. g., reducing it to Web service security, do not take into account SOA-specific threats, vulnerabilities, and attacks. In this paper, measures to support the ...

Component-oriented and service-oriented approaches have gained a strong enthusiasm in industries and academia with a particular interest for service-oriented approaches. The service concept and its use in web-based application development have a huge impact on reuse practices. Accordingly a considerable part of software architectures is influenced; these architectures are moving towards service...

Enterprise Architecture (EA) has undergone many changes since the IT has found its way into enterprises. At the moment the Service-Oriented Architecture (SOA) is being hyped but has also gained some importance. Implementing SOA can have many implications for an enterprise, depending on how visionary the implemented architecture is. This paper provides the description of an enterprise architectu...

As a matter of fact, SOA-based systems have a huge internal complexity due to plenty of services. On the one hand, this complexity enables and strongly supports the flexible alignment of the enterprise architecture with business processes. On the other hand, it requires a special management and control framework – provided by SOA Governance. For IT Governance, many accepted approaches exist. In...

This text describes some developments of an explosive growth in mobile traffic demand. The growth has led to market driven approaches and need for more effective spectrum access and management. Regulatory, technology and economic issues have led to innovative strategic approaches and policies for more effective spectrum usages. This text seeks factors and possibilities to influence spectrum sha...

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