Fault Tolerant/Load Balanced ASP.NET Web Server Architecture

Hi,

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I'm looking� at designing a fault tolerant/load balanced server architecture to host a new� ASP.NET application.

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As far as possible, I do not want to purchase "specialized" hardware for the job; I would like to use standard Windows Server 2003 installations.

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The application runs on ASP.NET 2 with SQL Server 2005.

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For the database itself, I plan to implement a mirrored database with a witness server. I know this won't provide load balancing as such, but the primary server have ample power to cope with all requests.

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However, I'm not sure what the best way to implement the application layer is. The application consists of an ASP.NET web application, and an ASP.NET web service. The web service will basically be a wrapper for the Business Logic of the application, to allow third ...