Evaluation and efficiency comparison of evolutionary algorithms for service placement optimization in fog architectures
| Autor: | Carlos Guerrero, Isaac Lera, Carlos Juiz |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Mathematical optimization
Service (systems architecture) Computer Networks and Communications Computer science Sorting Evolutionary algorithm 020206 networking & telecommunications 02 engineering and technology Service placement Network topology Hardware and Architecture Problem domain Genetic algorithm 0202 electrical engineering electronic engineering information engineering Decomposition (computer science) 020201 artificial intelligence & image processing Software |
| Zdroj: | Future Generation Computer Systems. 97:131-144 |
| ISSN: | 0167-739X |
| Popis: | This study compares three evolutionary algorithms for the problem of fog service placement: weighted sum genetic algorithm (WSGA), non-dominated sorting genetic algorithm II (NSGA-II), and multiobjective evolutionary algorithm based on decomposition (MOEA/D). A model for the problem domain (fog architecture and fog applications) and for the optimization (objective functions and solutions) is presented. Our main concerns are related to optimize the network latency, the service spread and the use of the resources. The algorithms are evaluated with a random Barabasi–Albert network topology with 100 devices and with two experiment sizes of 100 and 200 application services. The results showed that NSGA-II obtained the highest optimizations of the objectives and the highest diversity of the solution space. On the contrary, MOEA/D was better to reduce the execution times. The WSGA algorithm did not show any benefit with regard to the other two algorithms. |
| Databáze: | OpenAIRE |
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