Silverlight is a plugin that is provided by the Microsoft. Silverlight architecture includes the functionality from core .NET framework, Ajax and having some of its own functionality such as animation, media etc. The architecture consists of FOUR blocks:

.NET framework components: WPF is .NET framework, used in Silverlight. 

Presentation core: core presentation framework includes the display options such as images, vector animations etc.

Other technologies: Ajax and JavaScript technologies are used to interact with Silverlight framework.

Hosting: Silver-light animations run under the browser ENVIRONMENT and it also provides lots of other application hosting programs.

Silverlight is a plugin that is provided by the Microsoft. Silverlight architecture includes the functionality from core .NET framework, Ajax and having some of its own functionality such as animation, media etc. The architecture consists of four blocks:

.NET framework components: WPF is .NET framework, used in Silverlight. 

Presentation core: core presentation framework includes the display options such as images, vector animations etc.

Other technologies: Ajax and JavaScript technologies are used to interact with Silverlight framework.

Hosting: Silver-light animations run under the browser environment and it also provides lots of other application hosting programs.