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What is ASP.NET Core and why was it created?

Expert .NET Core
Quick Answer ASP.NET Core is the cross-platform, open-source rewrite of ASP.NET. It runs on Linux, macOS, and Windows. It's built for the cloud era รขโ‚ฌโ€ containerization-friendly, performance-optimized, and modular. The framework moved from IIS-coupled, Windows-only roots to a portable, middleware-based architecture with first-class support for Docker and microservices.

Answer

ASP.NET Core is a cross-platform, high-performance framework built to replace legacy ASP.NET limitations. It introduces modularity, DI, unified hosting, and lightweight request pipeline optimized for cloud and microservices.

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