hot to creat a restful web service for MVC & use it?

I am working in asp.net mvc & want to create a restful web service. Can you please let me know how can i create a restful web service in MVC & how can i use it ? My requirement is : i have an application server which send some parame开发者_开发问答ters to web service & the web service should connect to remote server & return image on path (whose path will be generated by the parameters from application server).

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Here are some articles you might read:

• ASP.NET MVC: Using RESTful Architecture
• RESTful Services With ASP.NET MVC
• Simply Restful Routing in MVCContrib