Full Definition of WHIPPET. : any of a breed of small swift slender dogs used for coursing small game and racing. See whippet defined for English-language learners. See whippet defined for kids.
What is netsession_win.exe? The genuine netsession_win.exe file is a software component of Akamai NetSession Client by Akamai Technologies. Netsession_win.exe is an executable file that launches the Akamai NetSession Interface, a utility tool that offers faster and more reliable downloads. DLL files store data, code and resources needed by one or more programs in order to function correctly.
That being said, Service Host(svchost.exe) is a generic service hosting container. Any number of required system services can be running in them, so I would not get rid of them. You can use Process Explorer to determine what services are running in the host container. My guess is it's Windows Update or BITS running.