在群集环境中的多个服务器上部署ASP.NET Web应用程序的最佳方法是什么

I have 6 servers that i need to deploy my ASP.NET web application to. While deploying enhancements, I usually remove 3 from the cluster, deploy the app, put them back in rotation, and remove the other 3 and do the same. I have 6 servers that i need to deploy my ASP.N