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Software architectures are often abstracted as a combination of reusable components connected to each other by various means. Specifications of components' semantics have been widely studied and many modeling languages have been proposed from coarse-grained loosely-defined elements to operational objects with behavioral semantics that may be generated and executed in a dedicated framework. All these...
During the last decades, we assisted to what is called “information explosion”. With the advent of the new technologies and new contexts, the volume, velocity and variety of data has increased exponentially, becoming what is known today as big data. Among them, we emphasize telecommunications operators, which gather, using network monitoring equipment, millions of network event records, the Call Detail...
The qualitative properties are conventionally considered after completing the software. Currently, many research look at treating those properties as soon as the architectural design phase. In this paper, the modeling and the verification of these properties in UML2.0 software architectures are aimed. In order to achieve this, we proposed a profile that extends the UML2.0 component meta-model. The...
Quality is an important consideration in the development of today’s large complex software systems. Software architecture and quality play a vital role in the success or failure of any software system. Similarly to maintain the qualities of a software system during development and to adapt the quality attributes as the software requirements changes, software architecture is necessary. This paper discusses...
Cloud Computing (CC) is a new paradigm in the world of computing, it includes several service and deployment models. This project is part of a general study that starts from the software engineering process and the software development life cycle (SDLC), this study is based on the ISO / IEC / IEEE 12207 standard, to evaluate the software implementation process and then we review some software quality...
Mobile sensing denotes the use of mobile devices and their integrated sensors for sensing and learning physical and social phenomena, and to use derived information for sharing, informing, and persuading humans. From the perspective of software architecture, mobile sensing bears several design challenges regarding, e.g., use of battery powered mobile devices, and collection and processing of sensor...
As recognition grows within industry for the advantages that can be gained through the exploitation of large-scale dynamic systems, a need emerges for dependable performance. Future systems are being developed with a requirement to support mission critical and safety critical applications. These levels of criticality require predictable performance and as such have traditionally not been associated...
In Internet networks, monitoring is necessary to guarantee the performance of the services. In this paper, we review the state-of-the-art monitoring architectures proposed for multi-domain networks. We note that these architectures do not support measurement configuration that enables the providers to perform flexible multi-domain measurements. Therefore, we present our proposal for the configuration...
Resource co-allocation is a crucial but challenging problem for Grid Computing. With the emergence of WS-Resource Framework and Open Grid Services Architecture, resource co-allocation is commonly associated with a service level agreement (SLA) to determine the achieved QoS level. In this paper, we present an approach for resource co-allocation in Multi-cluster Grid that maximizes the user satisfaction...
Over the past decade, Service-Oriented System Engineering (SOSE) has emerged as one of the most important research areas to help industry achieve many goals such as agility, flexibility, reusability and efficiency. However, SOSE is still suffering from numerous and a broad scope of challenges. Although challenges usually imply research opportunities in academia, too many challenges will inevitably...
Due to the increasing popularity of Web services technology and the potential of dynamic service selection and integration, many similar services are accessible. Quality of Service (QoS) is the main factor to differentiate similar Web services. In this paper, we propose a broker-based architecture for dynamic web service selection that facilitates the requester to specify his/her non-functional requirements...
The DMW(Data-Centric Middleware) in CPS to support for high reliable and Autonomous Controlling Software is the platform that distributes a Publish/Subscribe based real-time data and supply a different QoS(Quality of Service). This paper deals with the DTB(Data Transport Block) in DMW that is to supply high reliable and QoS.
Cloud computing often uses a multi-tenant architecture where tenants share application and system software. Request prioritization presents a challenge in this architecture. Tenant may have individual (local) prioritization requirements, and these requirements can be different for different tenants. The shared application must use a global priority scheme for requests from all the tenants. This paper...
Wireless sensor and actor networks are becoming a basis for a rapidly increasing range of applications in industrial measurement-control (M&C) systems. Each application has different requirements in terms of M&C task, node functionalities, network size, complexity and cost; therefore, it is worthwhile time investment to design and implement a middleware for wireless sensor and actor...
The combination of BPM&SOA has been considered a powerful strategy for companies to be more agile. However, integrating BPM and SOA has many challenges especially when composition of applications is envisaged. The main contribution of this work is to propose an integrated model that deals with the problem of service discovery over largely distributed software services providers, including QoS...
The applications on the basis of SOA proliferate rapidly in a wide range of computer science and are becoming increasingly important as a hot spot of current IT research field. Service composition is one of the remarkable paradigms of SOA for reusing of resources and sharing of information. Since the models of current service composition are mostly application oriented but not the end-user oriented,...
Service Oriented Architecture (SOA) is an architectural pattern providing agility to align technical solutions to modular business services that are decoupled from service consumers. Service capabilities such as interface options, quality of service (QoS), throughput, security and other constraints are described in the Service Level Agreement (SLA) that would typically be published in the service...
With the rapid growth of available web services developed by different organizations, clustering of web services is required for conveniently managing services such as web services selection, discovery, composition and QoS prediction. However, the traditional clustering approaches have some drawbacks in similarity measuring and information preprocessing. In this paper, a similarity model is presented...
The advancements in distributed computing have driven the emergence of service-based infrastructures that allow for on-demand provision of ICT assets. Taking into consideration the complexity of distributed environments, significant challenges exist in providing and managing the offered on-demand resources with the required level of Quality of Service (QoS), especially for real-time interactive multimedia...
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