Rewinding and Repeating Scientific Choreographies

Weiβ, Andreas; Andrikopoulos, Vasilios; Hahn, Michael; Karastoyanova, Dimka

doi:10.1007/978-3-319-26148-5_22

Cited by 5 publications

(11 citation statements)

References 14 publications

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“…The ChorDesigner and the ProcessDesigner are based on Eclipse 3 technologies, while for the ESB Apache ServiceMix 4 is employed. The workflow engines are based on an extended Apache ODE 5 , and the message routes to coordinate the middleware components are realized with Apache Camel 6 . The algorithm for finding the rewinding points is implemented in Java.…”

Section: Realizationmentioning

confidence: 99%

“…A known limitation of this approach, however, is the insufficient support for multi-scale/multi-field, also known as multi-* experiments, that recent works are addressing [5], [6]. Multi-scale experiments couple different length or time scales within the same experiment, e.g.…”

mentioning

confidence: 99%

“…Toward supporting such type of control over scientific experiments, in this work we build on the concepts we introduced in previous work [4], [5], [6], and present the complete Model-as-you-go for Choreographies approach that allows for rewinding and repetition in choreographies. For this purpose, in Sec.…”

mentioning

confidence: 99%

“…For this purpose, in Sec. 2 we present a formal description of choreography models and instances, which we extended from [6] to incorporate loop constructs typically used in acyclic choreography and workflow models. Furthermore, the formal model accounts for the so-called participant sets that can be used to model a participant that can be instantiated an arbitrary number of times.…”

mentioning

confidence: 99%

“…3, we introduce a new method comprising all steps necessary to rewind and repeat choreography logic, from determining the rewinding points, through rewinding the choreography, enacting a repeat or iteration of its logic, and to resuming the choreography execution. In the same section we present the algorithm to determine the rewinding points, which is a combination of its basic version as introduced in [6] and a significant extension to support loop activity instances and instances of participant sets. Rewinding points are activity instances in the participating workflows up to which the state has to be rewound and where the repetition begins.…”

mentioning

confidence: 99%

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Model-as-You-Go for Choreographies: Rewinding and Repeating Scientific Choreographies

Weis

Andrikopoulos

Hahn

et al. 2020

IEEE Trans. Serv. Comput.

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Scientists are increasingly using the workflow technology as a means for modeling and execution of scientific experiments. Despite being a very powerful paradigm workflows still lack support for trial-and-error modeling, as well as flexibility mechanisms that enable the ad hoc repetition of experiment logic to enable, for example, the convergence of results or to handle errors. In this respect, in our work on enabling multi-scale/field (multi-*) experiments using choreographies of scientific workflows, we contribute a method comprising all necessary steps to conduct the repetition of choreography logic across all workflow instances participating in a multi-* experiment. To realize the method, we contribute i) a formal model representing choreography models and instances, including the re-execute and iterate operations for choreographies, and based on it ii) algorithms for determining the rewinding points, i.e. the activity instances where the rewinding has to stop and iii) enable the actual rewinding to a previous execution state and repetition of the choreography. We present the implementation of our approach in a message-based, service-oriented system that allows scientists to model, control, and execute scientific choreographies as well as perform the rewinding and repeating of choreography logic. We also provide an evaluation of the performance of our approach.

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Section: Realizationmentioning

confidence: 99%

mentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

mentioning

confidence: 99%

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Model-as-You-Go for Choreographies: Rewinding and Repeating Scientific Choreographies

Weis

Andrikopoulos

Hahn

et al. 2020

IEEE Trans. Serv. Comput.

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Data-Aware Service Choreographies Through Transparent Data Exchange

Hahn

Karastoyanova

Leymann

2016

Lecture Notes in Computer Science

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ChorSystem: A Message-Based System for the Life Cycle Management of Choreographies

Weiß

Andrikopoulos

Sáez

et al. 2016

On the Move to Meaningful Internet Systems: OTM 2016 Conferences

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Service choreographies are commonly used as the means for enabling inter-organizational collaboration by providing a global view on the message exchange between involved participants. Choreographies are ideal for a number of application domains that are classified under the Collaborative, Dynamic & Complex (CDC) systems area. System users in these application domains require facilities to control the execution of a choreography instance such as suspending, resuming or terminating, and thus actively control its life cycle. We support this requirement by introducing the ChorSystem, a system capable of managing the complete life cycle of choreographies from choreography modeling, through deployment, to execution and monitoring. The performance evaluation of the life cycle operations shows that the ChorSystem introduces an acceptable performance overhead compared to purely script-based scenarios, while gaining the abilities to control the choreography life cycle.

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Rewinding and Repeating Scientific Choreographies

Cited by 5 publications

References 14 publications

Model-as-You-Go for Choreographies: Rewinding and Repeating Scientific Choreographies

Model-as-You-Go for Choreographies: Rewinding and Repeating Scientific Choreographies

Data-Aware Service Choreographies Through Transparent Data Exchange

ChorSystem: A Message-Based System for the Life Cycle Management of Choreographies

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