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What is the difference between the Generic Host and Web Host in ASP.NET Core?

Junior .NET Core

Answer

Earlier ASP.NET Core versions used WebHost to configure web-specific hosting (Kestrel, IIS integration, MVC, etc.).

The newer Generic Host unifies hosting for all app types (web, background services, workers, gRPC, SignalR) under a single abstraction.

  • Generic Host centralizes DI, configuration, and logging.
  • It supports non-web workloads and multiple hosted services in the same process.
  • For web apps, Generic Host wires in WebHost-like features such as Kestrel and endpoint routing under the hood.
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Source: SugharaIQ

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