SQL Server cluster install issue

I am going to install SQL Server 2008 Enterprise cluster on Windows Server 2008. I am wondering whether I have to setup a Windows domain (or active开发者_如何转开发 directory) in order to install SQL Server cluster?

thanks in advance, George

Some great articles here:

http://msdn.microsoft.com/en-us/library/ms179410.aspx

http://msdn.microsoft.com/en-us/library/ms189134.aspx

http://www.mssqltips.com/tip.asp?tip=1687