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Wasm is touted as the next generation of containers, offering a smaller, more secure, and more portable application format. However, challenges remain, particularly in achieving enough isolation for public clouds where multi-tenancy exists. This is because Wasm shares the host kernel between workloads like containers. To take full advantage of Wasm, there is still insufficient discussion on this problem.
To address the issue, we've developed a new Wasm runtime, Mewz. It runs a single Wasm module within a dedicated VM while also having a lightweight and specialized kernel (unikernel). This revolutionary execution model enables more secure and low-overhead Wasm containers. We've open-sourced the implementation, and Mewz is listed in the CNCF cloud native landscape! In this session, we'll explain the architecture of Mewz and why it's more isolated and low-overhead than ordinary Wasm runtimes. Building on this presentation, let’s discuss the future of cloud workloads powered by Wasm!
Ai Nozaki is a Master's student at The University of Tokyo. She is a member of Mewz project. Her interest lies in WebAssembly, systems softwares and GPUs.
