Tuesday, December 24, 2013

Big Data the 'reactive' way

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A metatrend going on in the IT industry is a shift from query-based, batch oriented systems to (soft) realtime updated systems. While this is associated with financial trading only, there are many other examples such as "Just-In-Time"-logistic systems, flight companies doing realtime pricing of passenger seats based on demand and load, C2C auction system like EBay, real time traffic control and many more.

It is likely this trend will continue, as the (commercial) value of information is time dependent, value decreases with age of information.

Automated trading in the finance sector is just a forerunner in this area, because some microseconds time advantage can be worth millions of dollars. Its natural real time processing systems evolve in this domain faster.

However big parts of traditional IT infrastructure is not designed for reactive, event based systems. From query based databases to request-response based Http protcol, the common paradigm is to store and query data "when needed".

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