Global Cloud Index (GCI)

Cisco Experts Share Forecast

Global data center traffic will quadruple from 2011 to 2016. (37:18 min)

Cisco Experts Share Forecast

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Global Cloud Readiness

The GCI Cloud Readiness Tool maps regional and country-level fixed and mobile network performance data.

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GCI Highlights Tool, 2011 - 2016

See global, regional, and country-level projections.

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The Cisco Global Cloud Index (GCI) forecasts data center and cloud traffic and related trends:

  • Data center and cloud traffic forecast offers projections from 2011-2016 on global data center and cloud traffic rates.
  • Workload transition provides 2011-2016 projections for workloads* moving from traditional IT to cloud solutions.
  • Cloud readiness** provides regional and country-level data on broadband performance as a precursor for cloud service adoption by network consumers and business users.

* A workload is defined as an independent service or collection of code that can be executed.

** Cloud readiness compares average global network speeds and latencies (fixed and mobile) to assess each region's (or country's) ability to support a sample set of cloud services.


In October 2012, Cisco released the Cisco Global Cloud Index Forecast, 2011 - 2016. Highlights from the updated research include the following projections:

  • Global data center traffic will grow nearly four-fold from 2011 to 2016.
  • By 2016, global data center traffic will reach 6.6 zetabytes per year.
  • By 2016, two-thirds of all data center traffic will come from the cloud.
  • By 2016, three out of five data center workloads will be processed in the cloud.


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