Academic literature on the topic 'Service-oriented architectures (SOA)'

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Journal articles on the topic "Service-oriented architectures (SOA)"

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PAHL, CLAUS, YAOLING ZHU, and VERONICA GACITUA-DECAR. "A TEMPLATE-DRIVEN APPROACH FOR MAINTAINABLE SERVICE-ORIENTED INFORMATION SYSTEMS INTEGRATION." International Journal of Software Engineering and Knowledge Engineering 19, no. 07 (2009): 889–912. http://dx.doi.org/10.1142/s0218194009004465.

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Service-oriented architecture (SOA) is currently the predominant software integration framework. Web services provide the predominant platform for SOA. SOA as an integration architecture solution supports a range of application scenarios. We present a solution for the integration of business information systems based on SOA and Web services. We discuss maintainability requirements in relation to information-specific integration and architecture aspects. A template-based approach based on modular and declarative transformation rules and architectural styles and patterns defines our solution to the maintainability problem of integration architectures.
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Beydoun, Ghassan, Dongming Xu, and Vijayan Sugumaran. "Service Oriented Architectures (SOA) Adoption Challenges." International Journal of Intelligent Information Technologies 9, no. 2 (2013): 1–6. http://dx.doi.org/10.4018/jiit.2013040101.

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Predictions for Service Oriented Architectures (SOA) to deliver transformational results to the role and capabilities of IT for businesses have fallen short. Unforseen challenges have often emerged in SOA adoption. They have fallen into two categories: technical issues stemming from service components reuse difficulties and organisational issues stemming from inadequate support or understanding of what is required from the executive management in an organisation to facilitate the technical rollout. This special issue of IJIIT presents a collection of papers which attempt to resolve some of these issues. This paper first explores and analyses the hindrances to the full exploitation of SOA.
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Manolakos, Elias S., and Demetris G. Galatopoullos. "Service-Oriented Architectures for Pervasive Computing." International Journal of Advanced Pervasive and Ubiquitous Computing 2, no. 4 (2010): 39–62. http://dx.doi.org/10.4018/ijapuc.2010100103.

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The vision of pervasive computing is to create and manage computational spaces where large numbers of heterogeneous devices collaborate transparently to serve the user tasks all the time, anywhere. The original utility of a computer is now changing from a stand-alone tool that runs software applications to an environmentaware, context-aware tool that can enhance the user experience by executing services and carrying out his/ her tasks in an efficient manner. However, the heterogeneity of devices and the user’s mobility are among the many issues that make developing pervasive computing applications a very challenging task. A solution to the programmability of pervasive spaces is adopting the service-oriented architecture (SOA) paradigm. In the SOA model, device capabilities are exposed as software services thus providing the programmer with a convenient abstraction level that can help to deal with the dynamicity of pervasive spaces. In this chapter the authors review the state of the art in SOA-based pervasive computing, identify existing open problems, and contribute ideas for future research.
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Bygstad, Bendik, Tor-Morten Grønli, Helge Bergh, and Gheorghita Ghinea. "Business Innovation and Service Oriented Architecture." International Journal of Information Technologies and Systems Approach 4, no. 1 (2011): 67–78. http://dx.doi.org/10.4018/jitsa.2011010105.

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Recent research suggests that a strong link exists between business innovation and service oriented IT architectures: modern IT architecture enables business to quickly create new services. However, the relationship between IT capabilities and business performance is not always straightforward. How does SOA support fast innovation in practice, and under which conditions is it effective? In this paper, the authors investigate these issues and ask: How can a SOA architecture like the Enterprise Service Bus support business innovation? This paper investigates this question through a case study at an airline company. Analyzing the relationship between innovation and IT architecture in the company over time, the authors offer the following conclusion: ESB gives strong support to business innovation, under two conditions. First, the implementation of ESB has to be comprehensive, that is, it should include the core processes of the business. Second, the top management (and partners) need to understand the principles of ESB.
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Niemann, Michael, André Miede, Wolfgang Johannsen, Nicolas Repp, and Ralf Steinmetz. "Structuring SOA Governance." International Journal of IT/Business Alignment and Governance 1, no. 1 (2010): 58–75. http://dx.doi.org/10.4018/jitbag.2010120404.

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Companies’ IT Systems are confronted with constantly changing market conditions, new competitive threats and a growing number of legal regulations. The service-oriented architecture (SOA) paradigm provides a promising way to address these challenges at the level of a company’s IT infrastructure. These challenges, as well as the management of the newly introduced complexity and heterogeneity, are targeted by SOA Governance approaches. In recent years, a number of concrete frameworks for SOA Governance addressing these issues have been proposed. There is no holistic approach considering all proposed elements, consolidating them in order to form a universally applicable model. In this contribution, we motivate SOA Governance, investigate and compare different approaches, identify common concepts, and derive a generic model for governance of Service-oriented Architectures.
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SLOAN, JOHN C., and TAGHI M. KHOSHGOFTAAR. "TESTING AND FORMAL VERIFICATION OF SERVICE ORIENTED ARCHITECTURES." International Journal of Reliability, Quality and Safety Engineering 16, no. 02 (2009): 137–62. http://dx.doi.org/10.1142/s0218539309003332.

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We examine two open engineering problems in the area of testing and formal verification of internet-enabled service oriented architectures (SOA). The first involves deciding when to formally and exhaustively verify versus when to informally and non-exhaustively test. The second concerns scalability limitations associated with formal verification, to which we propose a semi-formal technique that uses software agents. Finally, we assess how these findings can improve current software quality assurance practices. Addressing the first problem, we present and explain two classes of tradeoffs. External tradeoffs between assurance, performance, and flexibility are determined by the business needs of each application, whether it be in engineering, commerce, or entertainment. Internal tradeoffs between assurance, scale, and level of detail involve the technical challenges of feasibly verifying or testing an SOA. To help decide whether to exhaustively verify or non-exhaustively test, we present and explain these two classes of tradeoffs. Identifying a middle ground between testing and verification, we propose using software agents to simulate services in a composition. Technologically, this approach has the advantage of assuring the quality of compositions that are too large to exhaustively verify. Operationally, it supports testing these compositions in the laboratory without access to source code or use of network resources of third-party services. We identify and exploit the structural similarities between agents and services, examining how doing so can assure the quality of service compositions.
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Kleiner, Carsten, and Jürgen Dunkel. "Establishing Service Management in SOA." International Journal of E-Entrepreneurship and Innovation 3, no. 1 (2012): 1–17. http://dx.doi.org/10.4018/jeei.2012010101.

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In service-oriented architectures the management of services is a crucial task during all stages of IT operations. Based on a case study performed for a group of finance companies the different aspects of service management are presented. First, the paper discusses how services must be described for management purposes. In particular, a special emphasis is placed on the integration of legacy/non web services. Secondly, the service lifecycle that underlies service management is presented. Especially, the relation to SOA governance and an appropriate tool support by registry repositories is outlined.
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Sosa Sanchez, Encarna, Pedro J. Clemente, Alvaro E. Prieto, Jose M. Conejero, and Roberto Rodriguez Echeverria. "MigraSOA: Migration of legacy web applications to service oriented architectures (SOA)." IEEE Latin America Transactions 15, no. 7 (2017): 1306–11. http://dx.doi.org/10.1109/tla.2017.7959351.

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WEBER-JAHNKE, JENS. "DESIGN OF DECOUPLED CLINICAL DECISION SUPPORT FOR SERVICE-ORIENTED ARCHITECTURES." International Journal of Software Engineering and Knowledge Engineering 19, no. 02 (2009): 159–83. http://dx.doi.org/10.1142/s0218194009004143.

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Computer-based clinical decision support (CDS) contributes to cost savings, increased patient safety and quality of medical care. Most existing CDS systems are stand-alone products (first generation) or part of complete electronic medical record packages (second generation). Experience shows that creating and maintaining CDS systems is expensive and requires effort that should be economized by sharing them among multiple users. It makes good economic sense to share CDS service installations among a larger set of client systems. The paradigm of a service-oriented architecture (SOA) embraces this idea of sharing distributed services. Some attempts making CDS services available to distributed health information systems exist. However, these approaches have not gained much adoption. We argue that they do not provide a sufficient level of decoupling between client and CDS in order to be broadly reusable in SOAs. In this paper, we present a new CDS service component called EGADSS, which has been designed and implemented with the declared objective to minimize the coupling between client and CDS server. We present our key design decisions, which are guided by empirical research in SOA development. We evaluate our result theoretically by measuring the level of decoupling achieved compared to existing CDS approaches. Furthermore, we report on an empirical evaluation of the resulting design, integrating the EGADSS service with an example client system.
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Panahi, Mark, Weiran Nie, and Kwei-Jay Lin. "RT-Llama." International Journal of Systems and Service-Oriented Engineering 1, no. 1 (2010): 62–78. http://dx.doi.org/10.4018/ijssoe.2010010104.

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Service-oriented architectures (SOA) are being adopted in a variety of industries. Some of them must support real-time activities. In this article, the authors present RT-Llama, a novel architecture for real-time SOA to support predictability in business processes. Upon receiving a user-requested process and deadline, our proposed architecture can reserve resources in advance for each service in the process to ensure it meets its end-to-end deadline. The architecture contains global resource management and business process composition components. They also create a real-time enterprise middleware that manages utilization of local resources by using efficient data structures and handles service requests via reserved CPU bandwidth. They demonstrate that RT-Llama’s reservation components are both effective and adaptable to dynamic real-time environments.
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Dissertations / Theses on the topic "Service-oriented architectures (SOA)"

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Lundkvist, Elin, and Gustav Persson. "From guess to success : How to govern service-oriented architectures." Thesis, Uppsala universitet, Företagsekonomiska institutionen, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-255163.

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Service-oriented architecture (SOA) governance has been identified as the most important factor affecting the outcome of SOA within organisations. However, authors have failed to explain how organisations should govern specific aspects of its SOA, leaving a gap in the literature. Therefore, the purpose of this study was to investigate established SOA governance mechanisms in order to explain implications of governance in a SOA context. The research question of the study was to identify which SOA governance mechanisms do or do not provide support for different constituents of SOA. The study also contained three sub-questions; (i) Is there a difference between how SOA governance mechanisms support technical vs. non technical constituents of SOA? (ii) Is there any SOA governance mechanism that is more important than others? (iii) Is there a relation between the SOA governance mechanisms?   The study was conducted using theories related to SOA and SOA governance. We identified the most academically accepted SOA governance mechanisms to test their support for different constituents of SOA. To get an holistic view of SOA, we used a SOA maturity framework to identify what the constituents of SOA really are. The support of the SOA governance mechanisms were then studied in relation to the different constituents of SOA, through interviews and observations, during a ten week internship at Scania.   The results showed that as good as every SOA governance mechanism supports the constituents of SOA, although the level of support varied. In general, we found patterns separating the support for technological and non-technological constituents of SOA. The technological constituents of SOA were to a great extent provided the same support from SOA governance mechanisms, which also was true for the non-technological constituents of SOA. Interestingly, except for one SOA governance mechanism, the technological constituents of SOA and the non-technological obtained different levels of support from governance. The most important SOA governance mechanisms are the creation of standards and policies, having processes to create and enforce policies, processes for education, and establishing SOA skills and training. We can also conclude that there is a relationship between many of the SOA governance mechanisms, and that academics and practitioners therefore have to view SOA governance holistically, rather than independent governance mechanisms.
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Mittal, Saurabh. "DEVS Unified Process For Integrated Development and Testing of Service Oriented Architectures." Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/194093.

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Service Oriented Architectures (SOA) present challenges to current model-based software engineering methodologies such as Rational Unified Process (RUP). In this research effort we propose a process called DEVS Unified Process (DUNIP) that uses the DEVS formalism as a basis for automated generation of models from various requirement specifications and realization as SOA collaborative services. DEVS is inherently based on object oriented methodology and systems theory, and categorically separates the Model, the Simulator and the Experimental frame, and has been used for systems Modeling & Simulation over the years. DUNIP integrates these concepts into DEVSbased Bifurcated Model-Continuity life-cycle development methodology. The life-cycle begins by specifying the system requirements in a number of different formats such as state-based, BPMN/BPEL-based, message-based requirement specifications. DUNIP then automates the generation of DEVS models capable for distributed collaboration. The collaboration uses an XML-based DEVS Modeling Language (DEVSML) framework that provides the capability to integrate models that may be expressed in different DEVS implementation languages. The models are also made available for remote and distributed real-time execution over the SOA middleware in a manner transparent to the user. A prototype simulation framework has been implemented and is illustrated with an application to a system of collaborating military systems implemented and tested using Bifurcated Model-Continuity methodology. We also show how the Department of Defense Architecture Framework (DoDAF) can be enhanced to incorporate simulation based executable models using the DUNIP process.
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Kervall, Fredrik. "Standards and Business Aspects of Service Oriented Architectures in Healthcare." Thesis, Blekinge Tekniska Högskola, Avdelningen för programvarusystem, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4801.

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Extensive efforts are being conducted in the area of integrating and merging together applications and systems in public administration, including healthcare. One approach against integrating applications is to introduce a Service Oriented Architecture (SOA). This could be conducted by modifying the previously stand-alone systems and make them act as services or components, communicating through some sort of common services or directly interoperate. This thesis describes several standards and best practices addressing integration currently present in healthcare. Additionally, a number of business key aspects connected to Service Oriented Architectures are described and also how customers and contractors could benefit from these. By conducting an industrial case study of an integration project, standards and business aspects could be applied and used to analyze the project. Both software engineering issues and business aspects are identified, important to the study.
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Medeiros, Flávio Mota. "SOPLE-DE: an approach to design service-oriented product line architectures." Universidade Federal de Pernambuco, 2010. https://repositorio.ufpe.br/handle/123456789/2416.

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Made available in DSpace on 2014-06-12T15:58:03Z (GMT). No. of bitstreams: 2 arquivo3244_1.pdf: 2061206 bytes, checksum: d9bbab1debda0a2122b877cceb8484ed (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2010<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>O reuso de software é um fator extremamente importante para empresas interessadas em aumentar sua produtividade, diminuir os custos e o tempo durante o desenvolvimento de sistemas e melhorar a qualidade de seus produtos e serviços. Nesse contexto, Linhas de Produto de Software (LPS) e Arquitetura Orientada a Serviços (SOA) são duas estratégias que estão atualmente recebendo uma grande atenção, tanto na área acadêmica quanto na indústria de software. Os conceitos de linhas de produto e arquitetura orientada a serviços compartilham alguns objetivos e características que podem ser usados em conjunto para aumentar as taxas de reuso de software. No entanto, para o resultado dessa junção ser otimizado, é necessário utilizar um processo de desenvolvimento bem definido. Caso contrário, a equipe de desenvolvimento poderá produzir software de maneira não sistemática, aumentando as chances de falha, o tempo e o custo de desenvolvimento. Com essa visão, esse trabalho apresenta uma abordagem para o projeto de arquiteturas para linhas de produto orientada a serviços, constituída de um conjunto de atividades e sub atividades com entradas e saídas especificadas, sendo cada uma delas realizada por um conjunto predefinido de papéis com responsabilidades definidas. Essa abordagem visa ajudar arquitetos de software a projetar arquitetura orientada a serviços para domínios específicos. Para garantir a qualidade da abordagem desenvolvida, uma pesquisa extensiva foi realizada para analisar o atual estado da arte de processos para o desenvolvimento orientado a serviços. Foram então considerados os pontos fracos e fortes dos processos estudados com o intuito de identificar e preencher as lacunas neles existentes. Por fim, essa abordagem foi validada e refinada por meio de um estudo acadêmico experimental preliminar
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Radicke, Johannes, and Thomas Pinthal. "THE EFFECTS OF SERVICE-ORIENTED ARCHITECTURES ON COMPETITIVE ADVANTAGE : A GROUNDED THEORY APPROACH." Thesis, Mälardalen University, School of Sustainable Development of Society and Technology, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-9741.

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Menzel, Michael. "Model-driven security in service-oriented architectures : leveraging security patterns to transform high-level security requirements to technical policies." Phd thesis, Universität Potsdam, 2011. http://opus.kobv.de/ubp/volltexte/2012/5905/.

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Service-oriented Architectures (SOA) facilitate the provision and orchestration of business services to enable a faster adoption to changing business demands. Web Services provide a technical foundation to implement this paradigm on the basis of XML-messaging. However, the enhanced flexibility of message-based systems comes along with new threats and risks. To face these issues, a variety of security mechanisms and approaches is supported by the Web Service specifications. The usage of these security mechanisms and protocols is configured by stating security requirements in security policies. However, security policy languages for SOA are complex and difficult to create due to the expressiveness of these languages. To facilitate and simplify the creation of security policies, this thesis presents a model-driven approach that enables the generation of complex security policies on the basis of simple security intentions. SOA architects can specify these intentions in system design models and are not required to deal with complex technical security concepts. The approach introduced in this thesis enables the enhancement of any system design modelling languages – for example FMC or BPMN – with security modelling elements. The syntax, semantics, and notion of these elements is defined by our security modelling language SecureSOA. The metamodel of this language provides extension points to enable the integration into system design modelling languages. In particular, this thesis demonstrates the enhancement of FMC block diagrams with SecureSOA. To enable the model-driven generation of security policies, a domain-independent policy model is introduced in this thesis. This model provides an abstraction layer for security policies. Mappings are used to perform the transformation from our model to security policy languages. However, expert knowledge is required to generate instances of this model on the basis of simple security intentions. Appropriate security mechanisms, protocols and options must be chosen and combined to fulfil these security intentions. In this thesis, a formalised system of security patterns is used to represent this knowledge and to enable an automated transformation process. Moreover, a domain-specific language is introduced to state security patterns in an accessible way. On the basis of this language, a system of security configuration patterns is provided to transform security intentions related to data protection and identity management. The formal semantics of the security pattern language enable the verification of the transformation process introduced in this thesis and prove the correctness of the pattern application. Finally, our SOA Security LAB is presented that demonstrates the application of our model-driven approach to facilitate a dynamic creation, configuration, and execution of secure Web Service-based composed applications.<br>Im Bereich der Enterprisearchitekturen hat das Paradigma der Service-orientierten Architektur (SOA) in den vergangenen Jahren eine große Bedeutung erlangt. Dieser Ansatz ermöglicht die Strukturierung und Umsetzung verteilter, IT-basierter Geschäftsfunktionen, um einen effizienten und flexiblen Einsatz von IT-Ressourcen zu ermöglichen. Während in der Vergangenheit fachliche Anforderungen in monolithischen Applikationen umgesetzt wurden, setzt dieser Architekturansatz auf wiederverwendbare Dienste, die spezifische Geschäftsfunktionen implementieren. Diese Dienste können dann dynamisch zur Umsetzung von Geschäftsprozessen herangezogen werden und ermöglichen eine schnelle Reaktion auf verändernde geschäftliche Rahmenbedingungen durch Anpassung der Prozesse. Die einzelnen Dienste existieren unabhängig voneinander und sind lose über einen Nachrichtenaustausch gekoppelt. Diese Unabhängigkeit unterscheidet den SOA-Ansatz von der bisherigen Entwicklung klassischer verteilter Anwendungen. Die Verwendung unabhängiger Dienste geht aber auch mit einem größeren Gefährdungspotential einher, da eine Vielzahl von Schnittstellen bereitgestellt wird, die mittels komplexer Protokolle angesprochen werden können. Somit ist die korrekte Umsetzung von Sicherheitsmechanismen in allen Diensten und SOA-Infrastrukturkomponeten essentiell. Kommunikationspartner müssen an jedem Kommunikationsendpunkt authentifiziert und autorisiert werden und ausgetauschte Nachrichten müssen immer geschützt werden. Solche Sicherheitsanforderungen werden in technischen Sicherheitskonfigurationen (Policydokumenten) mittels einer Policysprache kodiert und werden an die Dienste verteilt, die diese Anforderungen durchsetzen. Da Policysprachen für SOA aber durch die Vielzahl und Vielfalt an Sicherheitsmechanismen, -protokollen und -standards eine hohe Komplexität aufweisen, sind Sicherheitskonfigurationen höchst fehleranfällig und mit viel Fachwissen zu erstellen. Um die Generierung von Sicherheitskonfigurationen in komplexen Systemen zu vereinfachen, wird in dieser Arbeit ein modellgetriebener Ansatz vorgestellt, der eine visuelle Modellierung von Sicherheitsanforderungen in Architekturmodellen ermöglicht und eine automatisierte Generierung von Sicherheitskonfigurationen auf Basis dieser Anforderungen unterstützt. Die Modellierungsebene ermöglicht eine einfache und abstrakte Darstellung von Sicherheitsanforderungen, die sich auch für Systemarchitekten erschließen, welche keine Sicherheits-experten sind. Beispielsweise können modellierte Daten einfach mit einem Schloss annotiert werden, um den Schutz dieser Daten zu fordern. Die Syntax, die Semantik und die Darstellung dieser Anforderungen werden durch die in dieser Arbeit vorgestellte Sicherheitsmodellierungssprache SecureSOA spezifiziert. Der vorgestellte modellgetriebene Ansatz transformiert die modellierten Anforderungen auf ein domänen-unabhängiges Policymodell, das eine Abstraktionsschicht zu konkreten Policysprachen bildet. Diese Abstrak-tionsschicht vereinfacht die Generierung von Sicherheitspolicies in verschiedenen Policysprachen. Allerdings kann diese Transformation nur erfolgen, wenn im System Expertenwissen hinterlegt ist, das die Auswahl von konkreten Sicherheitsmechanismen und -optionen bestimmt. Im Rahmen dieser Arbeit werden Entwurfsmuster für SOA-Sicherheit zur Transformation herangezogen, die dieses Wissen repräsentieren. Dazu wird ein Katalog von Entwurfsmustern eingeführt, der die Abbildung von abstrakten Sicherheitsanforderungen auf konkrete Konfigurationen ermöglicht. Diese Muster sind mittels einer Entwurfsmustersprache definiert, die in dieser Arbeit eingeführt wird. Die formale Semantik dieser Sprache ermöglicht die formale Verifikation des Transformationsprozesses, um die Korrektheit der Entwurfsmusteranwendung nachzuweisen. Die Definition dieses Entwurfsmusterkatalogs und der darauf basierende Transformationsprozess ermöglichen die Abbildung von abstrakten Sicherheitsanforderungen auf konkrete technische Sicherheitskonfigurationen und stellen den Beitrag dieser Arbeit dar. Abschließend wird in dieser Arbeit das SOA-Security-Lab vorgestellt, das die Umsetzung dieses Ansatzes demonstriert.
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Heckmann, Benjamin. "Service quality and profit control in utility computing service life cycles." Thesis, University of Plymouth, 2013. http://hdl.handle.net/10026.1/1568.

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Utility Computing is one of the most discussed business models in the context of Cloud Computing. Service providers are more and more pushed into the role of utilities by their customer's expectations. Subsequently, the demand for predictable service availability and pay-per-use pricing models increases. Furthermore, for providers, a new opportunity to optimise resource usage offers arises, resulting from new virtualisation techniques. In this context, the control of service quality and profit depends on a deep understanding of the representation of the relationship between business and technique. This research analyses the relationship between the business model of Utility Computing and Service-oriented Computing architectures hosted in Cloud environments. The relations are clarified in detail for the entire service life cycle and throughout all architectural layers. Based on the elaborated relations, an approach to a delivery framework is evolved, in order to enable the optimisation of the relation attributes, while the service implementation passes through business planning, development, and operations. Related work from academic literature does not cover the collected requirements on service offers in this context. This finding is revealed by a critical review of approaches in the fields of Cloud Computing, Grid Computing, and Application Clusters. The related work is analysed regarding appropriate provision architectures and quality assurance approaches. The main concepts of the delivery framework are evaluated based on a simulation model. To demonstrate the ability of the framework to model complex pay-per-use service cascades in Cloud environments, several experiments have been conducted. First outcomes proof that the contributions of this research undoubtedly enable the optimisation of service quality and profit in Cloud-based Service-oriented Computing architectures.
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Filho, Nemesio Freitas Duarte. "Uma contribuição ao estabelecimento de uma arquitetura de referência para ambientes de aprendizagem móvel." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-10112016-155857/.

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O desenvolvimento e a utilização de ambientes computacionais como apoio ao ensino e aprendizagem, aliados à evolução da computação móvel, têm contribuído significativamente para o estabelecimento de uma nova modalidade de ensino conhecida como aprendizagem móvel ou mobile learning (m-learning). Nesse cenário emergente, os ambientes educacionais existentes, mesmo possuindo diversos benefícios e facilidades no que diz respeito ao ensino e aprendizagem, apresentam problemas e desafios que precisam ser explorados. Um dos aspectos relevantes a ser investigado refere-se ao estabelecimento e adoção de padrões arquiteturais. De fato, grande parte desses ambientes é construída de forma isolada, possuindo arquiteturas e estruturas próprias, o que pode impactar negativamente a capacidade de padronização. O presente trabalho de pesquisa insere-se neste contexto, tendo como principal objetivo investigar e definir uma arquitetura de referência orientada a serviço voltada para ambientes de aprendizagem móvel. Tal arquitetura, denominada Ref-mLearning, visa contribuir para a evolução, reúso e interoperabilidade desses ambientes, possibilitando ainda um aumento na qualidade e redução de custos durante o seu desenvolvimento. Resultados alcançados por meio de avaliações e condução de um estudo de caso demonstram que a Ref-mLearning é uma arquitetura viável possuindo uma boa estrutura e organização para o desenvolvimento de ambientes de aprendizagem móvel orientados a serviço.<br>The development and use of computational environment to support the teaching and learning, together with the evolution of mobile computing, have contributed significantly to the establishment of a new mode of teaching known as mobile learning (m-learning). In this emerging scenario, the existing educational environments, despite having various benefits and facilities with regard to teaching and learning, present problems and challenges that need to be explored. An important aspect to be investigated refers to the establishment and adoption of architectural patterns. In fact, many of these environments is built in isolation, possessing own architectures and structures, which may negatively impact the standardization capacity. This research work is part of this context, the main objective to investigate and define a service-oriented reference architecture for mobile learning environments. Such an architecture, called Ref-mLearning, aims to contribute to the evolution, reuse and interoperability of these environments, still enabling an increase in quality and cost reduction during its development. Results achieved through evaluations and conducting a case study show that Ref-mLearning is a viable architecture having a good structure and organization for the development of a service-oriented mobile learning environment.
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Juhrisch, Martin. "Richtlinien für die modellgetriebene Integration serviceorientierter Architekturen in Analysemodellen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-27295.

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Mit der stetigen Konsolidierung der Web Service Standards vollzieht sich in der Diskussion zu serviceorientierten Architekturen ein Wechsel weg von der Implementierung und dem Deployment von Services hin zum Service Management. Die Indikatoren: Anzahl der Standardisierungsanfragen und die Menge großer Forschungsprogramme in diesem Bereich sind evident für einen wachsenden Bedarf an Managementmethoden für die Abbildung von Geschäftsanforderungen auf Servicekompositionen. Die Verwendung von semiformalen Modellen sowie die verteilte Entwicklung von SOA Services machen eine an Konventionen orientierte konstruktive Einschränkung der Freiheitsgrade bei der Prozess- und Servicemodellierung notwendig. In dieser Arbeit wird eine generische Methode vorgestellt, welche durch die Einführung von „Beschreibungsrahmen“ (Description Kits) sowohl eine Einschränkung der Modellierungsfreiheit in Bezug auf natürlichsprachliche Aspekte in fachkonzeptuellen Modellen erlaubt, als auch eine restriktive Benutzung bestehender Modellierungssprachen ermöglicht. Als Anwendungsfall wird die Konfiguration serviceorientierter Architekturen diskutiert. - (Die Dissertation ist veröffentlicht im Logos Verlag Berlin GmbH, http://www.logos-verlag.de, ISBN: 978-3-8325-2402-9)<br>With Service-oriented Architectures (SOA) companies are facing a paradigm shift towards services as the key unit of their enterprise architectures. An exploitation of the potential of Service-oriented Architectures is up to the applicability of semi-formal business models for a transformation into service compositions. However, several conceptual shortcomings prevent semi-formal models from being a suitable resource of an automated transformation process. Problems result from a multitude of modeling aims, objects, and procedures. Enhancements in order to solve these problems require both systematic preparation, and a methodical approach. This thesis provides a modeling method for business process-oriented SOA design using a meta-model based approach. An integrated modeling environment gives an overview of business requirements and allows appropriate assignment of SOA services to the business functions at the same time. The research refers to the example of process-oriented analysis and optimization of administrative procedures in German universities
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Nunes, Luiz Henrique. "Desenvolvimento de mecanismos para automatização de planejamento e execução de experimentos em sistemas orientados a serviço." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-24092014-104031/.

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O planejamento de experimentos em sistemas computacionais não é uma tarefa trivial, pois envolve diversas etapas tais como, o planejamento propriamente dito, a execução dos experimentos e a análise dos resultados. A definição e a utilização de metodologias adequadas para cada uma destas etapas facilita a obtenção dos resultados de um experimento em um sistema computacional. Neste trabalho são apresentados mecanismos para auxiliar o planejamento e execução de experimentos em sistemas orientados a serviços. O planejamento de experimento é realizado a partir de um modelo baseado nos conjuntos de entradas comuns a arquiteturas orientadas a serviço. A execução deste planejamento é feita em um ambiente colaborativo real, a qual auxilia a identificação de gargalos que não estão presentes em simulações ou modelos analíticos. Um estudo de caso aplicado na arquitetura WSARCH, possibilitou avaliar seu desempenho e identificar problemas de configuração<br>The design of experiments in computational systems is not a trivial task as it involves several steps such as planning and execution of the experiments and the analyse of the results. The use of appropriate methodologies for each of these steps makes it easier obtain the experiment results of a computer system. In this dissertation, mechanisms to assist the planning and execution of experiments in service-oriented systems are presented. The planning of the experiment is made according to a model based on a set of common entries for service-oriented architectures. The experiment execution is performed in a real collaborative environment, which helps to identify bottlenecks that are not found in simulations or analytical models. A study case applied in WSARCH architecture, enables to evaluate the performance and identify configuration problems
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Books on the topic "Service-oriented architectures (SOA)"

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Karl, Banke, and Slama Dirk, eds. Enterprise SOA: Service-oriented architecture best practices. Prentice Hall Professional Technical Reference, 2005.

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Bell, Michael. SOA modeling patterns for service-oriented discovery and analysis. John Wiley & Sons, 2010.

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Ali, Arsanjani, ed. 100 SOA questions: Asked and answered. Prentice Hall, 2011.

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SOA modeling patterns for service-oriented discovery and analysis. John Wiley & Sons, 2010.

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Matt, Wright, Shaffer David, and ebrary Inc, eds. Oracle Soa Suite 11g R1 developer's guide: Develop service-oriented architecture solutions with the Oracle SOA suite. Packt Pub., 2010.

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Viering, Goetz. Economic potential of service oriented architecture: Analyzing the value creation of SOA. Josef EUL Verlag, 2007.

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Inc, ebrary, ed. SOA Patterns with BizTalk Server 2009: Implement SOA strategies for BizTalk Server solutions. Packt Publishing Ltd., 2009.

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Antony, Reynolds, and ebrary Inc, eds. Oracle SOA Suite developer's guide: Design and build service-oriented architecture solutions with the Oracle SOA Suite 10gR3. Packt Pub., 2009.

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SOA with REST: Principles, patterns & constraints. Prentice Hall, 2012.

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SOA with Java Web services. Prentice Hall, 2007.

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Book chapters on the topic "Service-oriented architectures (SOA)"

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Exposito, Ernesto, and Codé Diop. "Service-Oriented and Cloud Computing Architectures." In Smart SOA Platforms in Cloud Computing Architectures. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118761489.ch2.

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Werth, Dirk, Katrina Leyking, Florian Dreifus, Jörg Ziemann, and Andreas Martin. "Managing SOA Through Business Services – A Business-Oriented Approach to Service-Oriented Architectures." In Service-Oriented Computing – ICSOC 2007. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-75492-3_1.

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Frischbier, Sebastian, Alejandro Buchmann, and Dieter Pütz. "FIT for SOA? Introducing the F.I.T.-Metric to Optimize the Availability of Service Oriented Architectures." In Complex Systems Design & Management. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25203-7_6.

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Barbier, Franck, and Jean-Luc Recoussine. "Service-Oriented Architecture (SOA)." In Cobol Software Modernization. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119073147.ch4.

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Pang, Candy, and Duane Szafron. "Single Source of Truth (SSOT) for Service Oriented Architecture (SOA)." In Service-Oriented Computing. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45391-9_50.

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Aier, Stephan, Maximilian Ahrens, Matthias Stutz, and Udo Bub. "Deriving SOA Evaluation Metrics in an Enterprise Architecture Context." In Service-Oriented Computing – ICSOC 2007. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-93851-4_22.

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Kayem, Anne V. D. M. "Security in Service Oriented Architectures." In Digital Rights Management. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2136-7.ch004.

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Service Oriented Architectures (SOAs) have become the defacto standard for defining interoperable architectures on the web with the most common implementation of this concept being in the form of web services. Information exchange is an integral part of SOAs, so designing effective security architectures that ensure data confidentiality and integrity is important. However, selecting a security standard for the architecture is challenging because existing solutions are geared toward access control in relatively static scenarios rather than dynamic scenarios where some form of adaptability is needed. Moreover, when services interact across different domains interoperability becomes a problem because of the lack a consistent security model to handle service interactions. This chapter presents a comparative analysis of SOA security standards. The authors discuss the challenges SOA security architecture designers face, in relation to an example travel agent web services scenario, and outline potential mitigation strategies.
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Beydoun, Ghassan, Alexey Voinov, and Vijayan Sugumaran. "Beyond Service-Oriented Architectures." In Developments and Trends in Intelligent Technologies and Smart Systems. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3686-4.ch002.

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Predictions for Service Oriented Architectures (SOA) to deliver transformational results to the role and capabilities of IT for businesses have fallen short. Unforeseen challenges have often emerged in SOA adoption. They fall into two categories: technical issues stemming from service components reuse difficulties and organizational issues stemming from inadequate support or understanding of what is required from the executive management in an organization to facilitate the technical rollout. This paper first explores and analyses the hindrances to the full exploitation of SOA. It then proposes an alternative service delivery approach that is based on even a higher degree of loose coupling than SOA. The approach promotes knowledge services and agent-based support for integration and identification of services. To support the arguments, this chapter sketches as a proof of concept the operationalization of such a service delivery system in disaster management.
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"Other SOA Platforms." In Security for Service Oriented Architectures. Auerbach Publications, 2014. http://dx.doi.org/10.1201/b16803-6.

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"Implementing and Securing SOA." In Security for Service Oriented Architectures. Auerbach Publications, 2014. http://dx.doi.org/10.1201/b16803-4.

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Conference papers on the topic "Service-oriented architectures (SOA)"

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Barata, J., L. Ribeiro, and Armando Colombo. "Diagnosis using Service Oriented Architectures (SOA)." In 2007 5th IEEE International Conference on Industrial Informatics. IEEE, 2007. http://dx.doi.org/10.1109/indin.2007.4384902.

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Bierhoff, Kevin, Mark Grechanik, and Edy S. Liongosari. "Architectural Mismatch in Service-Oriented Architectures." In International Workshop on Systems Development in SOA Environments (SDSOA'07: ICSE Workshops 2007). IEEE, 2007. http://dx.doi.org/10.1109/sdsoa.2007.2.

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Bhukya, ShankarNayak, and Suresh Pabboju. "Evaluating service oriented architectures (SOA) in pervasive computing." In 2016 International Conference on Electrical, Electronics, and Optimization Techniques (ICEEOT). IEEE, 2016. http://dx.doi.org/10.1109/iceeot.2016.7755136.

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O'Brien, Liam, Paulo Merson, and Len Bass. "Quality Attributes for Service-Oriented Architectures." In International Workshop on Systems Development in SOA Environments (SDSOA'07: ICSE Workshops 2007). IEEE, 2007. http://dx.doi.org/10.1109/sdsoa.2007.10.

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Scholz, Andreas, Irina Gaponova, Stephan Sommer, et al. "∈SOA - Service Oriented Architectures adapted for embedded networks." In 2009 7th IEEE International Conference on Industrial Informatics (INDIN). IEEE, 2009. http://dx.doi.org/10.1109/indin.2009.5195871.

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Liver, B., R. Di Paolo, and K. Tice. "Privacy in Service Oriented Architectures: SOA Boundary Identity Masking for Enterprises." In 2010 IEEE 12th Conference on Commerce and Enterprise Computing (CEC). IEEE, 2010. http://dx.doi.org/10.1109/cec.2010.21.

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"Context Handling in a SOA Infrastructure for Mobile Applications." In The Second International Workshop on Architectures, Concepts and Technologies for Service Oriented Computing. SciTePress - Science and and Technology Publications, 2008. http://dx.doi.org/10.5220/0001899300270037.

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Ivezic, Nenad, Miroslav Ljubicic, Serm Kulvatunyou, Scott Nieman, Conrad Leiva, and Zoran Marjanovic. "Towards Business Process Catalog for Cloud-Enabled Service Oriented Architectures." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8581.

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Advances in cloud-enabled service-oriented architectures (SOA) have caused a resurgence of industry interest in business process catalog as a vehicle for establishing shared references for collaborative business processes. With this paper, we start to explore the state of art and practice in business process catalog and classification scheme (BPCCS) development and use for the manufacturing industry. More specifically, this paper includes two major contributions. First, we identify a set of initial requirements for BPCCS. Second, we provide a use-case analysis based on the identified requirements. We end by comparing our BPCCS requirements with those being developed across other, BPCCS R&amp;D groups.
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Joachim, N., D. Beimborn, and T. Weitzel. "What Are Important Governance and Management Mechanisms to Achieve IT Flexibility in Service-Oriented Architectures (SOA)?: An Empirical Exploration." In 2011 44th Hawaii International Conference on System Sciences (HICSS 2011). IEEE, 2011. http://dx.doi.org/10.1109/hicss.2011.489.

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Masood, Adnan. "Cyber security for service oriented architectures in a Web 2.0 world: An overview of SOA vulnerabilities in financial services." In 2013 IEEE International Conference on Technologies for Homeland Security (HST). IEEE, 2013. http://dx.doi.org/10.1109/ths.2013.6698966.

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Reports on the topic "Service-oriented architectures (SOA)"

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Hwang, John, and Ed Savacool. Strategic Mobility 21. Service Oriented Architecture (SOA) Reference Model - Global Transportation Management System Architecture. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada525840.

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Luo, Jim, and Myong Kang. An Infrastructure for Multi-Level Secure Service-Oriented Architecture (MLS-SOA) Using the Multiple Single-Level Approach. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada514453.

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