Adaptive software incorporates monitoring, decisionmaking, and actuation to. The goal is to provide a repository of examples, challenge problems, and solutions that the software engineering for selfadaptive systems community can use. In the case where realworld information is collected through a sensor to detect the change in the state of reactive self adaptive software, and the current state is determined to have. Exploiting architectural prescriptions for selfmanaging. Inclusion criterion an overview sciencedirect topics. The decisionmaking process basically addresses an action selection problem, in order to select a proper action from a finite set of alternatives. Opinion pieces and position papers without details of modeling methods.
A conflict resolution control architecture for self adaptive. This paper considers the development of control architecture for selfadaptive software, which combines conflict resolution and control strategies to. Selfadaptive software is software that adapts by itself to system requirements about the recognized problems without stopping the software cycle. The key aspect of self adaptive software is that code behavior is evaluated or tested at runtime, which may lead to a runtime change in behav ior 7.
This site contains a set of exemplars for selfadaptive systems. Controlling software our goal is to ease the development of selfadaptive software systems by automatically synthesizing a control system capable of managing nonfunctional aspects of the softwares behavior. The proposed framework adopts an ontological approach to represent knowledge for the adaptation process. Uncertainty in selfadaptive software systems springerlink. For selfadaptive software, client numbers is adjustable so that more clients can be served and qos is also kept. Section 2 discusses self adaptive software from cybernetic perspective, by analyzing the similarity between software self adaptation. Modeling selfadaptive software systems with learning. In this paper, an approach for building an external adaptation engine for self adaptive software systems is proposed. Exemplars software engineering for selfadaptive systems. Automated design of selfadaptive software with control.
In phase 2, the disparate information on different types of adaptive systems developed under phase 1 was condensed into a useful taxonomy of adaptive systems. This paper introduces the patia autonomic web server, which has been designed to be selfmonitoring and adaptive to not only improve web server performance but robustness in terms of helping with. Uncertainty in selfadaptive software systems 5 this model, the selfadaptive software system can be broken down into two parts. Home conferences icse proceedings seams 11 benchmarking the resilience of selfadaptive software systems. Among the different forms of decisionmaking noted by roy 1996selecting, sorting, ranking, and description the decisionmaking process in selfadaptive software is closer to the selecting format. Software engineering for selfadaptive systems lecture notes in computer science programming and. The key aspect of selfadaptive software is that code behavior is evaluated or tested at runtime, which may lead to a runtime change in behav ior 7. Improving impact of selfadaptation and selfmanagement. It is an extension of hybrid petri nets by embedding a neural network algorithm into them. This paper looks at adaptation as changes in the context of dynamic software evolution. Evaluating the suitability of sfl for selfadaptive software. Exploiting architectural prescriptions for self managing, self adaptive systems.
Her research and teaching interests include formal methods for software engineering, software development environments, objectoriented analysis and design, embedded systems development, assurance patterns, adaptive. Selfadaptive software evaluates its own behavior and changes behavior when the evaluation indicates that it is not accomplishing what the software is intended to do, or when better functionality or. This includes robotics1, manufacturing plants, avionics, vehicle control3, sensor systems5, and others. This paper discusses the concepts, history and applications of self adaptive software over. This paper applies the concept of exploratory change to selfadaptive software systems and proposes a new paradigm for selfadaptation named exploratory selfadaptation. It is also valuable for image6,7 and signal processing applications. Most simple control system problems have this character, we. This paper applies the concept of exploratory change to selfadaptive software systems and proposes a new paradigm for. With the current tendencies in developing and deploying complex systems, and under the continuous changes of system and application. The 15th international conference on autonomic computing icac 2018 and the 12th international conference on selfadaptive and selforganizing systems saso 2018, under the federated umbrella of fas 2018 foundations and applications of self systems, in addition to their main technical programs, solicit the submission of posters and demos on specific aspects of autonomic. Benchmarking the resilience of selfadaptive software systems. Traditional models unable to model adaptive software systems since they deal with fixed requirements only, but cannot handle the behaviors that change at runtime in response to environmental changes. Modeling selfadaptive software systems with learning petri. Control strategies for selfadaptive software systems 24.
Adaptive software is specialized software designed for physically challenged users. But except for avoiding and resolving system disturbances, there could be another reason for selfadaptation the reason for exploration. With the current tendencies in developing and deploying complex systems, and under the continuous changes of system and application requirements, adaptation is a key feature. In this paper, an approach for building an external adaptation engine for selfadaptive software systems is proposed. This software usually runs on specialized hardware. In this position paper, we argue for an integrated formally founded approach to validate the required software qualities of selfadaptive systems. In order to improve the quality of selfadaptive software systems, this research addresses two challenges in. Software engineering for selfadaptive systems lecture notes. Learning based adaptation determination method for problem. Software engineering for self adaptive systems lecture notes in computer science programming and software engineering lecture notes in computer science 5525 cheng, betty h.
Uncertainty in self adaptive software systems 5 this model, the self adaptive software system can be broken down into two parts. Even though control engineering 30,31 as well as feedback found in nature. Selfadaptive system article about selfadaptive system. Various types of knowledge needed for selfadaptation are systematically. Review on requirements modeling and analysis for selfadaptive systems. This paper considers the development of control architecture for selfadaptive software, which combines conflict resolution and control strategies to resolve runtime conflicts. Towards a rule model for selfadaptive software qianxiang. Self adaptive software related studies have been conducted for a long time, but a number of current self adaptive software studies follow a reactive method1. In this paper, we will discuss the self adaptive software from cybernetic perspective, and propose an application serverassupported approach. A developer will be able to use this methodology to construct and optimize solutions for a target platform and environment. A exemplar can be quite generic such as an artifact or rather specific such as a model problem in selfadaptive systems. A new generalized coordinate, which directly shows the contacting position and the relative angular displacement in the distal phalange, is established. A verification technique for selfadaptive software by using. In this paper, an adaptive petri net apn is proposed to model a self adaptive software system.
Self adaptive software an architecturebased approach to self adaptive software peyman oreizy, michael m. Selfadaptive software aims to adjust various artifacts or attributes in response. The different levels group steps into activities with tighter coupling. All topics and submission formats are open to both research and industry. This is an example of an analytic problem with ground truth. Software engineering for selfadaptive systems lecture. A conflict resolution control architecture for self. Active trust management for autonomous adaptive survivable systems atms for aasss. Speed and scalability of changes require selfadaptation for special cases. A conflict resolution control architecture for selfadaptive.
In this paper, we will discuss the selfadaptive software from cybernetic perspective, and propose an application serverassupported approach. Landscape and research challenges feedforward mechanisms as well e. Shrobe, editors, selfadaptive software, pages 4049. Automated multiobjective control for selfadaptive software. Ellis university of new mexico university of michigan richard blythe john holland university of edinburgh santa fe institute joan bybee jinyun ke university of new mexico university of michigan morten h. The remainder of this paper is organized as follows. Most webbased software today usually fixes the number of clients to let the connected clients gain high quality service.
Cheng is a professor in the department of computer science and engineering at michigan state university. Taylor, dennis heimbigner, gregory johnson, nenad medvidovic, alex quilici, david s. Steps in the design and development of a controlbased mechanism for selfadaptive systems. To be selected, a paper needed to cover all the following inclusion criteria. Learning based adaptation determination method for. These changes may stem from the software systems self internal causes e. Qualityaware approach for engineering self adaptive. For self adaptive software, client numbers is adjustable so that more clients can be served and qos is also kept. Selfadaptive system an automatic control system that preserves its operational capability under conditions of unforeseen change in the properties of the controlled system, in the control goal, or in the environment by changing its operation algorithm or searching for optimal states. Self adaptive software is a relatively new approach to dynamic self management of software based systems. Selfadaptive software needs quantitative verification at runtime. A selfadaptive grasping model is constructed to analyze the selfadaptation, and a new analysis method that considers the position and posture of grasping point in distal phalange is proposed. Adaptive software development i about the tutorial adaptive software development is a move towards adaptive practices, leaving the deterministic practices in the context of complex systems and complex environments.
We then provide an alternative notion of optimality that explicitly incorporates the uncertainty underlying the knowledge models used for decision making. Selfadaptive software evaluates its own behavior and changes behavior when the evaluation indicates that it is not accomplishing what the software is intended to do, or when better functionality or performance is possible. More than a decade ago, a seminal paper of kephart and chess 93 stated that. In this paper, we propose the nise knowledgeintensive software engineering framework for selfadaptive system.
Adaptive 2017 is aimed at technical papers presenting research and practical results, industrial small and largescale systems, challenging applications, position papers addressing the pros and cons of specific topics, such as those being discussed in the standard fora or in industry consortia, survey papers addressing the key problems and. Adaptive software is a closedloop system which aims at adjusting itself in different situations at runtime. The goal is to provide a repository of examples, challenge problems, and solutions that the software. This site contains a set of exemplars for self adaptive systems. Selfadaptive grasp analysis of a novel underactuated. In this paper, an adaptive petri net apn is proposed to model a selfadaptive software system. In the case where realworld information is collected through a sensor to detect the change in the state of reactive selfadaptive software, and the current state is determined to have. Software engineering for selfadaptive systems lecture notes in computer science programming and software engineering lecture notes in computer science 5525 cheng, betty h.
Lncs 7475 software engineering for selfadaptive systems. The selfadaptive traffic signal control system serves as an effective measure for relieving urban traffic congestion. Review on requirements modeling and analysis for selfadaptive. Adaptive software incorporates monitoring, decisionmaking, and actuation to maintain reliable behavior despite sud. Exploiting architectural prescriptions for selfmanaging, selfadaptive systems.
Adaptive 2020, the eleventh international conference on adaptive and self adaptive systems and applications, targets advanced system and application design paradigms driven by adaptiveness and self adaptiveness. To assess the accuracy of our tip approach into the domain of runtime testing for self adaptive software systems, the experiment should be performed on other self adaptive system i. Towards knowledgeintensive software engineering framework. Adaptive 2020, the eleventh international conference on adaptive and selfadaptive systems and applications, targets advanced system and application design paradigms driven by adaptiveness and selfadaptiveness. A difficult problems for self adaptive software is. Self adaptive systems artifacts and model problems. In this paper, we define self adaptive software sas, discuss paradigms for implementing sas, the core problem of self evaluation, discuss some applications, and indicate some area of future work. In this section, we outline a design space for selfadaptive systems with five. Also in nature plenty examples for positive and negative feedback can be found that help to regulate processes. Position paper the five graces group clay beckner nick c. However, reflective and policybased management approaches alone cannot address all of the needs of selfadaptive software due to their inability to maintain a faithful rantime model of the system.
Selfadaptive software is a response to these demands. The icse 2007 seams workshop is a continuation of an effort, which started with seams 2006 at icse 2006, to integrate a number of successful workshops in the area of self managing systems held at icse and fse in recent years, including the fse 2002 and 2004 workshops on self healing self managed systems woss, icse 2005 workshop on design and evolution of autonomic. Selfadaptive system article about selfadaptive system by. Selfadaptive softwarerelated studies have been conducted for a long time, but a number of current selfadaptive software studies follow a reactive method1. Home conferences icse proceedings seams 11 benchmarking the resilience of self adaptive software systems. Earliest reference in ieee databases in proceedings of the self adaptive flight control systems symposium, 1959 a more recent definition on selfadaptive software systems abrev. The system is capable of adjusting the signal timing parameters in real time according to the seasonal changes and shortterm fluctuation of traffic demand, resulting in improvement of the efficiency of traffic operation on urban road networks. Selfadaptive software modifies its own behavior in response to changes in its operating environment. Tamura, et al a framework for evaluating qualitydriven selfadaptive software systems. In this paper, we characterize the sources of uncertainty in selfadaptive software system, and demonstrate its impact on the systems ability to satisfy its objectives. The baselevel subsystem provides the main functionality of the software i. Selfadaptive software an architecturebased approach to selfadaptive software peyman oreizy, michael m. However, reflective and policybased management approaches alone cannot address all of the needs of self adaptive software due to their inability to maintain a faithful rantime model of the system. Selfadaptive software systems through exploratory changes.
A verification technique for selfadaptive software by. Benchmarking the resilience of selfadaptive software. For example, assumptions on the user behavior profiles may affect performance. A exemplar can be quite generic such as an artifact or rather specific such as a model problem in self adaptive systems. Section 2 discusses selfadaptive software from cybernetic perspective, by analyzing the similarity between software selfadaptation. In order to improve the quality of self adaptive software systems, this research addresses two challenges in self adaptive software systems. Adaptive 2020, the twelfth international conference on. Software from components selfadaptive software systems. An architecturebased approach to selfadaptive software. Software engineering for selfadaptive systems the imdea. Control strategies for selfadaptive software systems. All living organisms have a highly developed capacity for adaptation. Adaptive software development focuses on collaboration and learning as a technique to build complex systems.
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