Windows Server 2008

Windows Server 2008 edition had a couple of aces in its sleeve to get people migration to it, and for those stubborn enough to refuse, the R2 candidate is simply a winning Straight Flush. The technologies that are available with the new addition and the innovations that are provided with the new Windows are starting to become more and more compelling. There is a whole bunch of them and every one of them that you will now read will make you want to migrate even more, so here are some of them:

Better firewalls - Earlier Windows Server versions could only have a single firewall policy active at any given time. If you had a server with multiple network adapters installed, this made for awkward configurations. In R2, you can have a different firewall policy mapped to each adapter.

When it comes to general performance of the servers one of the technologies is the Second Level Address Translation. Windows Server 2008 R2 Hyper-V R2 leverages the Second Level Address Translation (SLAT) functionality that is implemented in AMD-V and Intel VT processor hardware architectures. AMD-V implements SLAT through a mechanism named Nested Page Tables (NPT), also referred to as Rapid Virtualization Indexing (RVI). The Intel VT SLAT technology is named Extended Page Tables (EPT). Using NPT or EPT, AMD-V and Intel VT processors can maintain and perform the two levels of address space translations required for each virtual machine in hardware, reducing the complexity of the Windows Hypervisor and the context switches needed to manage virtual machine page faults. As a result, Windows Server 2008 R2 Hyper-V provides better scalability of Hyper-V servers.

* Another technology that is similarly implemented into all new generation CPU types is the Core Parking option. Because the Hyper-V is evolved very much with the new R2 edition there are more economic solutions designed to preserve power as main reason for this technology. Windows Server 2008 R2 Hyper-V can support up to 32 physical CPU’s, or to be exact 64 cores. This is great number indeed, but as we can expect at certain times full usage of all cores, it is more likely that most of them or at least some of them will become unused for some time, so the Core Parking options activates in this situation. The cores that are doing ‘nothing’ fall into a state where the consumption of power is put down to a minimum, after calculations have been made and the number of cores that is required to maintain the system stability left activated. In a case in which additional load appears to the CPU a core is being lead out from that state and resume its part.

The number of improvements is hard to put together all in one article as we would get a mile long article that probably the most brave ones would read. These were only one of most important or most efficient improvements to the R2 that are currently offered and there is more than one speculation about the release of SP1. As it seems the SP1 will be released in small time interval if not in the same time for Windows Server 2008 and Windows 7.The combination of these two Microsoft’s products is mentioned already a couple of times through the article and it would be no wonder if they do so, but the fact still remains that the services that these two Windows provide so far are becoming more and more attractive and impossible to ignore for any man, group or huge enterprise.

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