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The .NET Framework is a new computing platform that simplifies application development in the highly distributed environment of the
Internet. The .NET Framework is designed to fulfill the following
objectives:
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To provide a consistent object-oriented programming environment whether object code is stored and executed
locally, executed locally but Internet-distributed, or executed
remotely.
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To provide a code-execution environment that minimizes software deployment and versioning
conflicts.
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To provide a code-execution environment that guarantees safe execution of
code, including code created by an unknown or semi-trusted third
party.
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To provide a code-execution environment that eliminates the performance problems of scripted or interpreted
environments.
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To make the developer experience consistent across widely varying types of
applications, such as Windows-based applications and Web-based
applications.
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To build all communication on industry standards to ensure that code based on the
.NET Framework can integrate with any other code.
The .NET Framework has two main components: the common language runtime and the
.NET Framework class library. The common language runtime is the foundation of the
.NET Framework. You can think of the runtime as an agent that manages code at execution
time, providing core services such as memory management, thread
management, and remouting, while also enforcing strict type safety and other forms of code accuracy that ensure security and
robustness. In fact, the concept of code management is a fundamental principle of the
runtime. Code that targets the runtime is known as managed code, while code that does not target the runtime is known as unmanaged
code. The class library, the other main component of the .NET Framework, is a
comprehensive, object-oriented collection of reusable types that you can use to develop applications ranging from traditional command-line or graphical user interface
(GUI) applications to applications based on the latest innovations provided by
ASP.NET, such as Web Forms and XML Web services.
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