Monthly Archives: December 2013


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Data integrity and the Time Machine Restore 1

Information Technology is all about data. We collect raw data to build inferences on them and then store results keeping logs. We make decisions on strategical policies using data trends. We bill our customers on their service consumption data. Our bank adds and subtracts cash amount data (not bucks), etc.  […]


Bandwidth, Round Trip Trime (RTT) and Latency

In a world wide distributed computing environment, the large scale in terms of users and transactions spread over the whole planet becomes the main factor for performances.Cheap hardware availability, strengthening of CPUs and growing sizes of RAM seem still have margins of growth, on another hand, network and disk spindles […]