Configure WebClient to speed up download

 

What I am doing

I am trying to migrate Classic Asp app to ASP.NET MVC. Classic App was written for 15 years. There are no chance to write new project and migrate all code at one moment. Business app must work 24/7.

What solutions I have found

I did not find any good solution. One advice I have found starts with words "I feel your pain, bro". Business can not give such human resources for global refactoring. So the only way I found is to write some kind of proxy using WebClient.

Architecture

I have server with IIS that hosts Classic ASP app. I will add MVC app near it. Every request received by server will be managed by MVC project. If there is action that request asks - MVC app will work as normal. Render view, return to client. If there is no such action Controller will call Classic ASP by using HandleUnknownAction method. So it will do some work by processing url and cookies and in the end call Classic Asp app by WebClient.DownloadString() . The return string (HTML response) it will embed as content to the page (Headers, Footers are in MVC Layout). Need to mention - project is not highlighted but near it. So I can migrate old code by small pieces. Action by action with no impact on application. Just by creating action methods in MVC.

Requirements

  • Response time will grow significantly.
  • There are no alternatives.

    • Question

    I want to know every possible chance to speed up such web app. Maybe by tweaking WebClient configuration or so. Are there any settings to do this? Maybe some advices to manage webclient pool? I do not need to make cross server requests - does this open any abilities? Maybe this is the place for async calls? Or reorganize server structure?

    Thanks for any advice!

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