For its part, Windows 8.1 is now the client-side of the experiences rendered by web access, and client/cloud-based services, which become increasingly location-irrelevant where persistent connectivity is available. The Windows 8.1 release comes in fewer forms than Window 8.0, which comes in fewer forms than Windows 7. The shrinking forms betrays that the versions must now be synchronized across a wide variety of platforms, from traditional desktops and notebooks, to tablets, phones, and VDI/Desktop-as-a-Service platforms. More attention to this variety of user device in Windows 8.1 also includes attention paid to criticisms of the seemingly lurching change from former Windows UIs to the tiled interface of Windows 8.
Windows as a client is no longer like the old leaky Windows, but it's approachable in a more familiar way. Whether the 8.1 client changes can re-enamor disaffected users, and roll with new competitive punches, remains to be seen.
How We Tested Windows Server 2012 R2 and Windows 8.1
For Windows Server 2012 R2, we tested the RTM version downloaded from the MSDN website. We deployed and tested the DataCenter version on both bare metal servers from HP (DL580G5, 16core, iSCSI, Dell (Compellent iSCSI SAN and older Dell servers), and Lenovo (ThinkServer 580 with 16 cores, 32GB) and various hypervisors. Windows 2012 R2 installed basic operations successfully atop VMware vSphere 5.1 and 5.5, Oracle VirtualBox 4.2, aforementioned Hyper-V V3, and Citrix XenServer 6.2, and we found much flexibility and a few servers that needed the aforementioned firmware upgrades for Hyper-V or 2012 R2.
Windows 8.1 was tested on a Microsoft Surface Pro, Lenovo T530 notebooks, and as virtual machines, upgrading from Windows 7 Professional and Windows 8.0 Enterprise versions, as well as fresh installs on UEFI the T530 notebooks hardware.
Testing was performed between the Lab (Gigabit Ethernet switched infrastructure) connected via Xfinity Broadband to our NOC at Expedient/nFrame in Indianapolis (Gigabit Ethernet switched infrastructure with 10GB links on Extreme Switches, connected via a GBE backbone to core routers, Compellent iSCSI SAN, with numerous hosts running VMware, XenServer, BSD, various flavors of Linux, Solaris, in turn connected to Amazon Web Services and Microsoft's Azure Cloud).
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