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  • Objectives:

    The primary objective of this thesis is to evaluate and compare the performance of WebAssembly and Docker as containerization solutions for edge computing and IoT ap- plications. The study aims to provide insights into the strengths and limitations of each technology in terms of resource utilization, execution speed, and overall efficiency.

    Methodology:

    To achieve this objective, a comprehensive methodology was adopted. Hard- ware representative of edge devices, such as the Raspberry Pi 3 B+ and HP Pavillion x360 running linux 20.0 Mint Edition, was selected for benchmarking. A diverse set of CPU- intensive algorithms, including compression, encryption, and graph-based operations, was implemented in C and executed natively, within WebAssembly, and in Docker containers. Benchmark results, including CPU performance, memory usage, and file system I/O, were collected and analyzed. Statistical methods, including t-tests, were employed to quantify performance differences.

    Results: The findings reveal nuanced performance variations between WebAssembly and Docker in different aspects. Native execution consistently outperformed both WebAssem- bly and Docker, emphasizing the impact of containerization overhead. Docker exhibited efficient execution on certain algorithms, particularly those well-suited for its runtime envi- ronment. WebAssembly, while versatile, incurred overhead in terms of resource consump- tion.

    Keywords: WebAssembly, Docker, Containerization, Virtualization, IoT, WebAssembly Sys- tem Interface, Cloud computing

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