The ASCENS Case Studies: Results and Common Aspects

Serbedzija, Nikola

doi:10.1007/978-3-319-16310-9_14

Cited by 3 publications

(4 citation statements)

References 32 publications

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“…Thus, SCP provides an execution environment where special applications might be run by using the SCP's application programming interface (API) and SCP's library [20]. These applications provide a software as a service (SaaS) cloud solution to users.…”

Section: Science Cloudsmentioning

confidence: 99%

“…An example demonstrating this process can be deriving self-* objectives from the Service Level Agreement (SLA) constraints (see Section 3.2). SLA may impose constraints on application execution, e.g., certain number of active SCPis, certain latency between the communicating SCPis, or restrictions on processing power or on memory [20]. In this exercise, we derived the following self-* objectives copying with the SLA constraints:…”

Section: Are Requirements Chunks For Science Cloudsmentioning

confidence: 99%

“…The SCP is a platform as a service (PaaS), which provides a platform for application execution [20]. Thus, SCP provides an execution environment where special applications might be run by using the SCP's application programming interface (API) and SCP's library [20].…”

Section: Science Cloudsmentioning

confidence: 99%

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Engineering Requirements for Autonomy Features

Vassev

Hinchey

2015

Software Engineering for Collective Autonomic Systems

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Abstract. This chapter outlines an approach to Autonomy Requirements Engineering (ARE). ARE targets the integration and promotion of autonomy in software-intensive systems by providing a mechanism and methodology for elicitation and expression of autonomy requirements. ARE relies on goal-oriented requirements engineering to elicit and define system goals, and uses the generic autonomy requirements model to derive and define assistive and, eventually, alternative objectives. The system may pursue these "self-* objectives" in the presence of factors threatening the achievement of the initial system goals. Once identified, the autonomy requirements are specified with the KnowLang language. To demonstrate the ARE's ability to handle autonomy requirements for autonomic ensembles, the ARE's application to the ASCENS Science Clouds case study is presented and discussed in detail.

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Section: Science Cloudsmentioning

confidence: 99%

Section: Are Requirements Chunks For Science Cloudsmentioning

confidence: 99%

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Engineering Requirements for Autonomy Features

Vassev

Hinchey

2015

Software Engineering for Collective Autonomic Systems

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“…Chapter IV.2 [21]) from the ASCENS case studies (cf. Chapter IV.1 [25]) as a running example throughout the paper. Fig.…”

Section: A Robot Rescue Case Studymentioning

confidence: 99%

Reconciling White-Box and Black-Box Perspectives on Behavioral Self-adaptation

Bruni

Corradini

Gadducci

et al. 2015

Software Engineering for Collective Autonomic Systems

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Abstract. This paper propose to reconcile two perspectives on behavioural adaptation commonly taken at different stages of the engineering of autonomic computing systems. Requirements engineering activities often take a black-box perspective: A system is considered to be adaptive with respect to an environment whenever the system is able to satisfy its goals irrespectively of the environment disturbations. Modelling and programming engineering activities often take a white-box perspective: A system is equipped with suitable adaptation mechanisms and its behaviour is classified as adaptive depending on whether the adaptation mechanisms are enacted or not. The proposed approach reconciles black-and white-box perspectives by proposing several notions of coherence between the adaptivity as observed by the two perspectives: These notions provide useful criteria for the system developer to assess and possibly modify the adaptation requirements, models and programs of an autonomic system.

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