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By Ben Puzzuoli, Technical Sales Director at KineticD
Jan 13, 2012

KineticD Online Data Backup Expert Tips: The Ins and Outs of Data Deduplication

Whenever a whole new media platform starts to really take hold, it often ends up also ushering in the development of additional new, smaller advancements to support and improve its performance, and the rapidly expanding world of cloud computing and online data backup is no exception. And, amongst the most valuable of the many other innovations involved in ensuring that the cloud remains efficient and easy to use is that of data deduplication.

Also known as “intelligent compression”, data deduplication is a process of compressing data that is relatively new and advanced compared to many of the other compression processes, and due to the rapidly expanding amounts of data that more and more enterprises are creating and storing every day it is indeed growing in popularity. Of course, the fact of the matter is that the more data that companies have to store, the more that they have to pay in storage fees, so it’s no wonder that data deduplication is becoming more of a common practice in cloud computing and online data backup.

But how does data deduplication work, anyway? Well, basically data deduplication happens when special software identifies and removes duplicate data from a volume of information. All of this unnecessary, duplicate data is then replaced by references, also called “pointers”, which direct special software to the original piece of data so that, other than the single original piece of data that is being referenced by the pointers, all of the previous copies only have to virtually exist as opposed to taking up actual physical hard drive space, and this can save vast amounts of disk space in the process, thus saving companies money. Of course, whenever a file that has been deduplicated is called into usage it then is reassembled and is the same as it was before it was deduplicated.

There are two different basic types of deduplication: “in-line” and “post-process”. With in-line data deduplication, the deduplication process happens on the user end before it is sent off to the main storage or online backup server. While this process can potentially slow down system resources on the user end, it also has the potential to make up for that by lessening the time it will take to transfer the newly compressed files to the remote servers, and, in addition to this, allows the files to be saved more quickly to the local system as well. On the other hand, post-process deduplication waits until it has reached the storage server to rid the files of the duplicate data, which, while freeing up resources on the user end, obviously ends up bringing about slower transfer times.

Of course, choosing which type of deduplication is right for your business is something that is best left to the professionals, with most online data backup service providers utilizing a combination of both types of deduplication, and we here at KineticD are no exception. We employ a hybrid of the two types specifically contoured to both maximize system performance and speed up backup and recovery times for your enterprise. Our deduplication services are fully automatic, and our extensive versioning of files means that you can retrieve older versions of backed up files, even after you have deleted them off of your system. But, don’t just take our word for it; stop by our website today and try our free 14-day trial to see what KineticD can do for your SMB!

About the author: Ben Puzzuoli is Technical Sales Director at KineticD, a Toronto based online data backup service provider.

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