Posts about Software-Defined Networking

It's an interesting time in telecommunications because the fundamental approaches to carrying data are changing in dramatic ways. Two changes are particularly impactful: virtualization and 5G. Virtualization is the core concept behind software-defined networking (SDN) and network functions virtualization (NFV), both of which are massively impactful. The other great change is in wireless. The industry is on the cusp of the 5G plunge, which will have massive ramifications as well ...

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The enterprise is quickly migrating from a single-cloud strategy to a multi-cloud footing as a means to cope with the increasingly heavy data loads of emerging service-based business models. It doesn't take long, however, to realize that performance of these distributed architectures is tied directly to network connectivity. Unfortunately, network solutions tend to become more expensive as demands for bandwidth and flexibility mount, putting the enterprise in a difficult position when it comes to meeting the demands of increasingly tech-savvy users at a reasonable price point ...

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Disaggregation, open networking and SDN control have become key themes when discussing the future of optical networks at industry events. All of these interrelated topics were certainly popular at this year’s Big Communications Event in Austin, Texas, where I joined Axel Clauberg of Deutsche Telekom and Huawei’s Sean Long for a panel debate titled Optical Networks in the New Age of “Open” ...
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Discussions around 5G tend to focus on radio technologies and frequency bands. As with any innovation, the technical aspects are important, but they are a means, not an end. Furthermore, the deployment of 5G will require a tremendous expenditure of time and money. Why will operators invest their precious resources in 5G? ...
 
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The benefits of moving towards a virtualized environment have been well publicized – eliminating vendor dependence and product obsolescence, faster introduction of new products and services, and the creation of a flexible, user-driven, on-demand service delivery environment that enables network functions to be dynamically defined, deployed and reassigned to match and organizations scale, performance and capabilities requirement ...

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