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.NET Core Hosting Models .NET Core Overview & Versions Configuration & Options Pattern Dependency Injection in .NET Core Entity Framework Core Kestrel vs IIS Logging in .NET Core Middleware & Request Pipeline MVC Filters

.NET Core Hosting Models

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What are .NET Core Hosting Models?

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dot NET Core supports different hosting models that determine how an application is run and how it integrates with a web server. In process hosting runs the application directly inside the IIS worker process for better performance, while out of process hosting runs the application in its own separate Kestrel process with IIS acting as a reverse proxy forwarding requests to it. Choosing between them depends on your performance needs and deployment environment, with in process hosting generally offering faster request handling when deploying behind IIS on Windows.
<!-- In web.config or project settings -->
<AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
Real-world example A high traffic internal business application deployed behind IIS on Windows Server chooses in process hosting to minimize the overhead of forwarding every request to a separate Kestrel process, improving overall response times.

Common follow-ups: What is the default hosting model for a newly created dot NET Core project?;Does the hosting model choice matter when deploying to Linux?

Kestrel vs IIS;Configuration & Options Pattern