How application pool work

http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/67e39bd8-317e-4cf6-b675-6431d4425248.mspx?mfr=true

 

http://technet.microsoft.com/en-us/library/cc735084%28v=ws.10%29.aspx

 

http://www1.huachu.com.cn/read/readbookinfo.asp?sectionid=1000000545

 

http://2347979.blog.51cto.com/2337979/1196233