ASP.NET Framework vs ASP.NET Core

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While both are used for web development, ASP.NET Framework is a traditional Microsoft framework primarily designed for Windows, while ASP.NET Core is a newer, cross-platform framework that can run on Windows, macOS, and Linux, making it more flexible and suitable for modern cloud-based applications; essentially, ASP.NET Core is considered the successor to ASP.NET Framework with significant advantages in portability and modern features. 

Key Differences:

Platform Compatibility: ASP.NET Framework is Windows-only, while ASP.NET Core is cross-platform. 

Modernity: ASP.NET Core is considered a more modern framework with newer features and architecture compared to ASP.NET Framework. 

When to Choose ASP.NET Framework:

Legacy applications that are already built on the .NET Framework and require minimal changes. 

Projects where specific Windows-only features are necessary. 

When to Choose ASP.NET Core:

New web application development projects where cross-platform compatibility is important. 

Cloud-based applications requiring flexibility in deployment options. 

Projects that need to leverage the latest features and performance improvements.