Software-defined networking (SDN) will be the catalyst for enabling more...
Software-defined networking (SDN) will be the catalyst for enabling more flexible, scalable and intelligent networks in the future, research firm Ovum said Thursday in a new report. SDN will replace traditional network hierarchies that are struggling to keep pace with…
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increasingly dynamic applications and services, Ovum said. The current three-tier hierarchy -- access, aggregation and core -- is being phased out; SDN’s flatter architecture, virtualized application software and more programmable network infrastructure are taking its place, Ovum said. “SDN provides an opportunity to completely reexamine network architectures, introduce virtualization, and provide truly innovative solutions,” said David Krozier, principal analyst on Ovum’s network infrastructure telecoms team, in a news release. SDN’s emergence shows the focus of networking has shifted from the “feeds and speeds of the data plane to the intelligence inherent in the control plane and related network services,” Ovum said.