With traditional network architectures struggling to cope with more dynamic applications and services, software-defined networking (SDN) provides the answer to operators’ challenges, according to research firm Ovum. The company believes SDN will be key in enabling future networks to become more flexible, scalable and intelligent.
Speaking at Broadband World Forum in October this year, Ulf Ewaldsson, CTO of equipment vendor Ericsson, said the explosive growth in cloud technology was spurring the requirement for SDN specifications for service providers and telcos. His views have been reinforced by an Ovum report, which examines the vendor and product landscape of the SDN market.
The report reveals that the three-tier hierarchy (access, aggregation, and core) of network architecture is being replaced by flatter architectures. In addition, virtualised application software is replacing network appliances, and network infrastructure is becoming much more programmable.
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