1. http://www.velocityreviews.com/forums/t121834-building-web-farm-with-aspnet-20.html

2. http://www.c-sharpcorner.com/UploadFile/gopenath/Page107182007032219AM/Page1.aspx

3. http://www.west-wind.com/presentations/loadbalancing/NetworkLoadBalancingWindows2003.asp

4. DFS: http://weblogs.asp.net/owscott/archive/2006/06/07/DFS-for-Webfarm-Usage---Content-Replication-and-Failover.aspx

5. Session State

6. Configure SQL Server to Store ASP.NET Session State

7. Configure ASP.NET for Persistent SQL Server Session State Management 

8. Maintaining Session State on Your Web Farm

9.  Configure SQL Server to Store ASP.NET Session State

10. Analyze ASP.NET Web Application Performance