Big Data is clearly a disruptive technology, but using it successfully is as much art as it is science. The key is integrating Big Data with traditional BI to create a data ecosystem that allows you to generate new insights while executing on what you already know.
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<a href="http://www.networkworld.com/topics/data-center.htm">Data center</a> architecture has been changing quite dramatically over the past few years. In many data centers, organic growth had left them broken up into <a href="http://www.networkworld.com/news/2008/101308-boston-college-data-center.html">application silos</a>. The standard three-tier architecture was copied for each application leading to a fairly hierarchical network. In this architecture, some core security services, such as firewalls and intrusion prevention, were concentrated at the root of the network tree, closest to the ingress routers and around any DMZs.