More than three quarters of workloads will be through cloud data centres by 2018

James has more than a decade of experience as a tech journalist, writer and editor, and served as Editor in Chief of TechForge Media between 2017 and 2021. James was named as one of the top 20 UK technology influencers by Tyto, and has also been cited by Onalytica, Feedspot and Zsah as an influential cloud computing writer.

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By 2018, 78% of workloads will be processed by cloud data centres, while annual global cloud IP traffic will reach 6.5 zettabytes (ZB).

These are the two main takeaways from Cisco’s latest Cloud Index study, which aims to show the extent of growth of global data centre and cloud-based IP traffic.

Annual global data centre IP traffic will reach 8.6 ZB by the end of 2018, up significantly from last year’s total of 3.1 ZB. Workload density for cloud data centres will reach 7.5, up from 5.2, whilst global cloud IP traffic will nearly quadruple over the next five years.

By 2018, 69% of global cloud workloads will be in private cloud data centres, with the remaining 31% in private. More than half (59%) will be software as a service workloads, compared to 28% IaaS and 13% PaaS. This represents a downturn for infrastructure as a service, which currently represents 44% of cloud workloads, however, over five years each sector will still see a significant compound annual growth rate (CAGR) – 33% for SaaS, 21% for PaaS and 13% for IaaS.

The report notes that in the private cloud, the majority of deployments were IaaS and PaaS, while th public cloud saw predominantly SaaS deployments.

2 billion people will be using cloud storage in 2018, while the global data created by Internet of Things devices will top 403 ZB each year. These are huge numbers, but the current figures are still extensive – 113.4ZB of IoT data and 922 million users of cloud storage in 2013.

According to the index, significant promoters of cloud traffic growth include the rapid adoption of cloud architectures, as well as the ability of cloud data centres to handle higher traffic loads.

Elsewhere the research found that IPv6 adoption will fuel cloud growth. Globally, the report shows that nearly a quarter (24%) of Internet users will be IPv6-ready by 2018, with nearly half of all fixed and mobile devices IPv6 capable. As of May this year, more than 96% of Internet traffic worldwide is still carried on the elderly IPv4 protocol.

The public versus private cloud discussion in the report will certainly be of interest to those who wrote Verizon’s yearly offering on the state of enterprise cloud computing, which decried that particular debate as “inadequate to describe the massive variety of cloud services available today.”

You can find the full 41 page report here.

To learn more about cloud data and security visit IoT Tech Expo Europe in London’s Olympia, 2-3 December, 2015. 

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