A Review on Visual Programming for Distributed Computation in IoT

Silva, Margarida; Dias, Jorge; Restivo, André; Ferreira, Hugo Sereno

doi:10.1007/978-3-030-77970-2_34

Cited by 5 publications

(1 citation statement)

References 39 publications

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“…IoT dissemination required end-users to program their own systems, thus leading to the proliferation of low-code development platforms such as Node-RED which has a visual programming language to mashup together hardware devices, APIs, and online services [26,33,40,42]. However, most of these low-code development environments lack of verification and validation mechanisms [13], and do not provide fault-tolerance mechanisms or suggest how to improve the dependability of these systems.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of IoT Self-healing Mechanisms using Fault-Injection in Message Brokers

Duarte,

Dias,

Ferreira

et al. 2022

Preprint

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The widespread use of Internet-of-Things (IoT) across different application domains leads to an increased concern regarding their dependability, especially as the number of potentially mission-critical systems becomes considerable. Fault-tolerance has been used to reduce the impact of faults in systems, and their adoption in IoT is becoming a necessity. This work focuses on how to exercise faulttolerance mechanisms by deliberately provoking its malfunction. We start by describing a proof-of-concept fault-injection add-on to a commonly used publish/subscribe broker. We then present several experiments mimicking real-world IoT scenarios, focusing on injecting faults in systems with (and without) active self-healing mechanisms and comparing their behavior to the baseline without faults. We observe evidence that fault-injection can be used to (a) exercise in-place fault-tolerance apparatus, and (b) detect when these mechanisms are not performing nominally, providing insights into enhancing in-place fault-tolerance techniques. CCS CONCEPTS• Computer systems organization → Sensors and actuators; Reliability; Distributed architectures; • Software and its engineering → Software testing and debugging.

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Section: Introductionmentioning

confidence: 99%

Evaluation of IoT Self-healing Mechanisms using Fault-Injection in Message Brokers

Duarte,

Dias,

Ferreira

et al. 2022

Preprint

Self Cite

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ScaFi-Blocks: A Visual Aggregate Programming Environment for Low-Code Swarm Design

Aguzzi,

Casadei,

Cerioni

et al. 2024

Lecture Notes in Computer Science

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Visual Low-Code Language for Orchestrating Large-Scale Distributed Computing

et al. 2023

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Distributed, large-scale computing is typically performed using textual general-purpose programming languages. This requires significant programming skills associated with the parallelisation and distribution of computations. In this paper, we present a visual (graphical) programming language called the Computation Application Language (CAL) to raise abstraction in distributed computing. CAL programs define computation workflows by visualising data flowing between computation units. The goal is to reduce the amount of traditional code needed and thus facilitate development even by non-professional programmers. The language follows the low-code paradigm, i.e. its implementation (the editor and the runtime system) is available online. We formalise the language by defining its syntax using a metamodel and specifying its semantics using a two-step approach. We define a translation of CAL into an intermediate language which is then defined using an operational approach. This formalisation was used to develop a programming and execution environment. The environment orchestrates computations by interpreting the intermediate language and managing the instantiation of computation modules using data tokens. We also present an explanatory case-study example that shows a practical application of the language.

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A Review on Visual Programming for Distributed Computation in IoT

Cited by 5 publications

References 39 publications

Evaluation of IoT Self-healing Mechanisms using Fault-Injection in Message Brokers

Evaluation of IoT Self-healing Mechanisms using Fault-Injection in Message Brokers

ScaFi-Blocks: A Visual Aggregate Programming Environment for Low-Code Swarm Design

Visual Low-Code Language for Orchestrating Large-Scale Distributed Computing

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