Network and the cloud

While the business case for cloud hosted IT infrastructure and applications is quite clear and evidence shows many companies have started the journey towards deploying IT infrastructure and applications, the importance of the network in the cloud computing scenario has not been as clearly articulated.

Crucially: without a network, there is no cloud service.

The importance of the network is starting to come under increased scrutiny as more organizations access their IT needs through the cloud and the number of devices and their related applications needs grow. Global IP traffic is set to quadruple between 2009 to 2014 overall, growing at a compound annual growth rate (CAGR) of 34 percent. As early as 2015, over 800 million terabytes of mobile data traffic will be offloaded to the fixed network by means of dual-mode devices and femtocells whilst Business IP traffic is growing at a CAGR of 21 percent (source: Cisco Visual Networking Index: Forecast and Methodology). These new requirements placed on enterprise networks will force IT organizations to increase capital investment and resources to support highly available network performance. These changes are also requiring CIOs and IT managers to revaluate what they are comfortable to outsource.


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