A good comparison of the RPC, WMI and WinRM remote server management protocols is available at https://blogs.technet.com/b/josebda/archive/2010/04/02/comparing-rpc-wmi-and-winrm-for-remote-server-management-with-powershell-v2.aspx

About The Author
Stefanos Evangelou
Cloud Architect, Trainer and Author