Amount of traffic from software-defined networks (SDNs) and network function virtualization (NFV) in data centers worldwide, from 2015 to 2021
(in zettabytes)
Characteristic
Traffic in zettabytes
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Software-defined networks separate the control and forwarding of data center traffic, while network function virtualization virtualizes a variety of network elements.
Citation formats
Global traffic of SDN/NFV within data centers 2015-2021
This statistic provides a forecast of software-defined network (SDN) and network function virtualization (NFV) traffic within data centers worldwide, from 2015 to 2021. By the end of 2018, *** zettabytes worth of traffic within data centers will stem from SDN and NFV functions.
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Cisco Systems. (February 1, 2018). Amount of traffic from software-defined networks (SDNs) and network function virtualization (NFV) in data centers worldwide, from 2015 to 2021 (in zettabytes) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/637966/worldwide-sdn-nfv-data-center-traffic/
Cisco Systems. "Amount of traffic from software-defined networks (SDNs) and network function virtualization (NFV) in data centers worldwide, from 2015 to 2021 (in zettabytes)." Chart. February 1, 2018. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/637966/worldwide-sdn-nfv-data-center-traffic/
Cisco Systems. (2018). Amount of traffic from software-defined networks (SDNs) and network function virtualization (NFV) in data centers worldwide, from 2015 to 2021 (in zettabytes). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/637966/worldwide-sdn-nfv-data-center-traffic/
Cisco Systems. "Amount of Traffic from Software-defined Networks (Sdns) and Network Function Virtualization (Nfv) in Data Centers Worldwide, from 2015 to 2021 (in Zettabytes)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Feb 2018, /statistics/637966/worldwide-sdn-nfv-data-center-traffic/
Cisco Systems, Amount of traffic from software-defined networks (SDNs) and network function virtualization (NFV) in data centers worldwide, from 2015 to 2021 (in zettabytes) ÌÇÐÄÆƽâ°æ, /statistics/637966/worldwide-sdn-nfv-data-center-traffic/ (last visited July 24, 2026)
Amount of traffic from software-defined networks (SDNs) and network function virtualization (NFV) in data centers worldwide, from 2015 to 2021 (in zettabytes) [Graph], Cisco Systems, February 1, 2018. [Online]. Available: /statistics/637966/worldwide-sdn-nfv-data-center-traffic/
