The last two parts of the Internet transaction have become specialized throughout the years. The first is data storage on the server level. Most people understand data storage on your desktop. Your hard drive space on your desktop limits you to the amount of documents, videos, and pictures you can store. Well, this premise can be applied to servers as well except now it's even more important to make all the stored information easily accessible and fast.
There are a couple of different ways to go about data storage on the server level. You can combine it with your application server if you are running a small environment. Or it can be its own standalone server. It can be a SQL database server or a regular file structure based system. Some examples of storage systems include HP's blade storage system or Apple's XSAN.
Over the years, the idea of storage on a server level has grown. It initially didn't exist; you had to save back to your computer locally. But just as with the other services that we've looked at, the demand to collaborative and Internet based business demand storage availability on the server level and in came the NAS solution (network attached storage). There has since been many advancements in the NAS with RAID algorithms, redundancies built-in, and the SAN, the storage area network.
Windows Storage Server Releases:
http://en.wikipedia.org/wiki/Computer_data_storage
http://welcome.hp.com/country/us/en/prodserv/storage.html
http://www.open-e.com/service-and-support/products-archive/products/open-e-dss/
http://blogs.technet.com/b/storageserver/archive/2008/06/09/a-brief-history-of-windows-storage-server-releases.aspx
http://en.wikipedia.org/wiki/Storage_area_network
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