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2010 2015

1.1 ZB

4.8 ZBTraditional DC Tra!cCloud DC Tra!c

89%

66%

34%

11%

But where is that data center tra!c coming from?

But that’s only 17 percent of projected global data center tra!c in 2015.

of total data center tra!c will be in the form of data center-to-user tra!c, such as web, email, internal VoD, et al. That’s like...

So where is the rest coming from?

17%

7%

76%

Some is coming from DC-to-DC tra!c, such as replication and inter-database links.

But the vast majority will still be coming from intra-data center tra!c, such as storage, production and development data, and authentication.

BY 2015

emails sent.4.6 quadrillion

web pages browsed.1.8 quadrillion

photos uploaded to Facebook.

230 trillionminutes of YouTube

videos watched.

99 trillion

OF THE

Global data center (DC) tra!c growth is projected toquadruple from 2010 to 2015 with data center tra!c

growth speci"cally in the cloud forecast to grow 12-fold during that period.

Source: Cisco Global Cloud Index