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Massive multiplayer online games are large-scaled distributed systems to handle a huge amount of simultaneous players. Thus, development costs can be enormous. To deal with this, it is necessary to reduce redundant development steps in such distributed systems, e.g. by using code generators and model analysers to build components from already existing knowledge. Such knowledge could be the unique...
Software architecting is about making decisions that have system-wide impact and that shape software product and process alike. While researchers and practitioners have tried to define and scope the role of the architect, social and organizational impacts on the architect and the architecting process are often neglected. The SODA workshop focuses on the social and organizational dimensions in which...
Context: Designing new architectures is a challenging task. A common and also effective approach for this task is to apply architectural design experience. Problem: If, however, architectural design experience is not available, two major problems arise: (i) how can we identify architecturally significant requirements (ASRs) and (ii) how can we identify architectural design decisions (ADDs) which address...
In this paper, we motivate the usage of natural language processing techniques to detect the uncertainty cues in the software architecture documents. As an initial step of our study, we analyzed three real-world software architecture documents and manually retrieved examples of different types of uncertainties. Based on those examples, we formulated the hypothesis on how the communication of software...
The software powering today's vehicles surpasses mechatronics as the dominating engineering challenge due to its fast evolving and innovative nature. In addition, the software and system architecture for upcoming vehicles with automated driving functionality is already processing ~750MB/s - corresponding to over 180 simultaneous 4K-video streams from popular video-on-demand services. Hence, self-driving...
Among other knowledge, software architecture de-sign decision-making relies on the relation between architecturalpatterns and quality attributes (QAs). However, this relation isoften implicit, or in the best case informally and partially defined. This leads to sub-optimal understanding of the impact of thearchitecture design on the desired level of quality. In this work, we aim to shed light on the...
This paper reports on an interview-based study of 18 authors of different chapters of the two-volume book "Architecture of Open-Source Applications". The main contributions are a synthesis of the process of authoring essay-style documents (ESDs) on software architecture, a series of observations on important factors that influence the content and presentation of architectural knowledge in...
The software architecture is usually the first design artifact that addresses quality issues (e.g., performance, security). Also, the architecture is reference point for other development activities, e.g., coding and maintenance. Based on our experience teaching software engineering and architecture at different institutions and levels, we discuss what makes teaching software architecture difficult,...
Today, health research and health care generate a steadily increasing amount of data. Making these available for secondary use cases is essential for efficiency gains in health research, e.g. by reducing time-and costs-intensive acquisition of data. In this contribution, we introduce our SAHRA software platform enabling reproducible research, e.g. by combining multiple data sources, performing data...
Planning a suitable solution to adapt to software changes is the most important and fundamental ability of self-adaptive software (SAS). However, with the increasing complexities of managed resources, context and user preferences, existing self-adaptive planning approaches need to be improved to deal with the complex changes which are multiple, interrelated and evolving. Search-based optimization...
Agile Software Development (ASD) is a movement that emerged in the late 1990's and since then has been increasingly adopted by organizations. They are successful in projects characterized by rapid changes, small teams and small cycles. Implementing the same agile philosophy but with an increase of complexity, i.e., large-scale agile (LSA) development, are sometimes criticized of not being as effective...
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...
Reference architectures systematize and standardize the development of software systems and, hence, contribute for the reuse of design expertise on a speci c domain. An adequate architectural description for reference architectures is essential for their e ective use and dissemination. Nonetheless, previous studies have pointed out that the architecture description of reference architectures often...
Software reference architectures provide guidance when designing systems for particular application or technology domains. In this paper we contribute a better understanding of developing and using reference architectures: First, we relate the concept of software reference architecture to other architectural concepts to help engineers better understand the relationships between software development...
Designing a software architecture is a highly complex task and associated with a high degree of uncertainty. There are a variety of reusable and established solutions, but they differ in their impact on the system's functionality and quality. The architect has to consider different aspects like stakeholders' requirements as well as numerous constraints coming, among others, from the technical environment...
Software architects use so-called software architecture design assistants to get tool-based, (semi-)automated support in engineering software systems. Compared to manual engineering, the main promise of such a support is that architects can create high-quality architectural designs more efficiently. Yet, current practice in evaluating whether this promise is kept is based on case studies conducted...
Interoperability among heterogeneous devices is one of the main topics investigated nowadays to realize the Ubiquitous Computing vision. Smart-M3 is a software architecture born to provide interoperability through the Semantic Web technologies and reactivity thanks to the publish-subscribe paradigm. In this paper we present a new implementation in Python of the central component of the Smart-M3 architecture:...
Software architecture is no more a mere system specification as resulting from the design phase, but it includes the process by which its specification was carried out. In this respect, design decisions in component-based software engineering play an important role: they are used to enhance the quality of the system, keep the current market level, keep partnership relationships, reduce costs, and...
In the international standards for architecture descriptions in systems and software engineering (ISO/IEC/IEEE 42010), “concern” is a primary concept that often manifests itself in relation to the quality attributes or “ilities” that a system is expected to exhibit — qualities such as reliability, security and modifiability. One of the main uses of an architecture description is to serve as a basis...
Recently, there is a growing interest in Systems of Systems (SoS), their architecture, security and application domains. However, their specific characteristics such as the operational independence of SoS constituent systems (CS), the absence of central authority and their emergent behavior make the modeling of their structure, behavior and security a complex task. One of the current main security...
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