Common Language Runtime

As explained in ASP.NET Core in Action, 3e

.NET Runtime is the execution environment that runs compiled .NET applications without providing the development and build tooling of the SDK.

Runs compiled .NET applications after development and publishing are complete. Unlike the .NET SDK, it does not restore packages, build projects, or provide the development workflow. A published application can start with the dotnet app.dll command. section 27.1.1 section 27.5

Choose how the application obtains its runtime:

• Runtime-dependent deployment uses the installed .NET 7 Runtime, produces smaller output, and can run across Windows, Linux, or macOS without recompilation. section 27.1.1
• Self-contained deployment packages the .NET 7 Runtime with the application, avoiding dependence on the host installation but requiring a target-specific build. section 27.1.1

Run a published application

After publishing an ASP.NET Core application, deploy its output folder and run dotnet ExampleApp.dll. For a self-contained Windows deployment, publish with dotnet publish -c Release -r win10-x64 --self-contained -o publish_folder. Development commands such as dotnet run perform build-related work that production execution does not need. section 27.1.1 section 27.5

Figure 27.2 The bin folder for an ASP.NET Core app after running dotnet build. The application is compiled into a single .dll file, ExampleApp.dll.

Inspect the compiled application DLL in the bin folder before publishing. section 27.1.1

On Windows, IIS can host an ASP.NET Core application through the ASP.NET Core Module. Install the Windows Hosting Bundle, configure a No Managed Code application pool, and deploy the published files with web.config. IIS can forward requests to the application as a reverse proxy. section 27.2.1 section 27.5

How ASP.NET Core in Action, 3e covers it

How deep it goes

Explains execution commands, deployment models, and IIS prerequisites, but does not descend into runtime internals.

Examples

Uses dotnet app.dll, dotnet publish, compiled DLL output, self-contained publishing, and IIS application-pool configuration.

What it assumes

Assumes a published application and distinguishes the runtime needed to execute it from the SDK used to build it.

What you can do after

Operate published applications with dotnet app.dll and configure runtime-dependent, self-contained, or IIS-hosted deployment.

How it connects

Connects the .NET Runtime with the .NET SDK, ASP.NET Core, IIS, reverse proxies, and runtime-dependent or self-contained deployments.

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Also explained in

• 

  liveBookmanning.com
  .NET in Action, Second EditionThe .NET runtime is the execution environment that loads .NET assemblies and translates their intermediate code into processor-specific instructions.
• 

  liveBookmanning.com
  .NET MAUI in ActionThe Common Language Runtime is the .NET execution environment that manages and runs compiled managed code.

Compare how 3 books explain Common Language Runtime →

Related concepts

• .NETpart of · .NET is Microsoft's cross-platform development platform, providing runtimes, libraries, and tools for building and running applications.
• ASP.NET Core Windows Hosting Bundlepart of · The ASP.NET Core Windows Hosting Bundle is a Windows installation package containing the runtimes and IIS integration components required to host ASP.NET Core applications.
• self-contained deploymentused by · A self-contained deployment packages an application with its required runtime and framework components so it runs without a separately installed runtime.
• just-in-time compilationuses · Just-in-time compilation translates or optimizes program code during execution, often using runtime information to generate specialized executable instructions.
• machine languageproduces · Machine language is a processor-specific instruction language encoded in a form that computer hardware can execute directly.

This explainer was generated by Manning's knowledge graph from the text of ASP.NET Core in Action, 3e. The section links point to the parts of the book it draws on.