What's different between Service Desk Plus and Service Desk Plus MSP ?

What's different between Service Desk Plus and Service Desk Plus MSP ?

Hello,

What's different between Service Desk and Service Desk MSP versions ?
I had seen only one things, MSP version work better than non-MSP version because MSP version has better cache params.
But even so MSP version is faster than non-MSP version, DO-type files load very slow anyway... 1.69sec minimal, even so you have not any data ;)

Could you provide me advice about improvement performance on Service Desk Plus on-premise version

                  New to ADSelfService Plus?