December 28, 2011
The Cisco® Global Cloud Index is an ongoing effort to forecast the growth of global data center and cloud-based IP traffic. The forecast includes trends associated with data center virtualization and cloud computing. This document presents the details of the study and the methodology behind it.
This study addresses:
- Global data center traffic
- Data center virtualization and cloud computing transition
- Global cloud traffic
- Regional cloud readiness
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The internal market research team at Cisco has created another highly comprehensive forecast on future IP data traffic trends, this time as they pertain to traditional data centers and cloud data centers. (Be prepared to get your head around the notion of data volumes so ginormous that they are expressed in zettabytes!).
The paper contains lots of juicy stats and even examines tangential issues, such as upload and download network capacity and application readiness levels for a coming data center cloudburst. One nit: while the paper does compare expected business cloud traffic loads with consumer cloud traffic loads, it doesn't specify whether the business cloud traffic is private or public cloud - presumably, the stats and predictions are a combination of both. Very large organizations - like Cisco - are consolidating their data centers, virtualizing servers, and creating internal, private cloud services of their own; others turn to an outside provider for use of that third party's compute infrastructure, software applications and development platforms and storage.