Future Possibilities for .NET Core and WASI - WebAssembly on the Server

Overview

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Explore the future possibilities of .NET Core and WASI (WebAssembly on the Server) in this 28-minute conference talk from Microsoft Build 2022. Dive into the world of WebAssembly beyond the browser and its potential as a foundational element in cloud-native architecture. Learn about a new experimental approach to running .NET in WASI environments, including how to build existing .NET code into WASI-compliant modules. Discover the benefits of WASI, understand the challenges of running .NET in this environment, and witness demonstrations of an experimental .NET SDK for WASI and ASP.NET Core on Sat. Gain insights into advanced ASP.NET Core features, potential pitfalls to avoid, and real-world examples of WASI hosts. This talk provides a comprehensive overview of WebAssembly's expanding role and its implications for .NET developers.

Syllabus

Introduction.
Steve Sanderson, Principal Software Engineering Lead, Microsoft.
What is web assembly?.
WASI (Web Assembly System Interface).
Why would you want your code to be running inside a Wasm sandbox?.
Benefits of having WASI representing the ABI between a host and app.
Why you can't run .NET in this environment.
Building a Blazor WebAssembly application .
What is the wasisdk?.
Demo; Experimental .NET SDK for WASI .
Wasmtime.
Can you use the more advanced features of ASP.NET Core? .
Example of what you should not do..
Examples; actual hosts.
Demo: ASP.NET Core on Sat (from Suborbital).