No reason for confusion. It's made by different companies (Citrix and Microsoft), so it's different software.
It's like iOs and Android or LibreOffice and MS Office or Oracle and MS SQL Server: same purpose, different software.
Kees
Hi all i am new to xen technology..i have a little bit confusion on xen and hyper-V. is xen and hyper-V both are different softwares or else xen is a part of hyper-V.please make me clarification and give me suggested links if possible.

Chowhound
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