![]() ![]() Nearly all service providers make use of NSE tools today to successfully commission/operate their networks and deliver their services. This is an automated process that includes formulating decisions on how to configure or reconfigure the network for the benefits of subscribers (in terms of better QoE) and/or the service provider (in terms of lower costs and higher profits). Only when virtualized networks are able to automatically configure, and reconfigure, without the need for manual intervention, will the full benefits of NFV be within reach. Fully exploiting the network and service advantages of NFV requires implementing the second key principle: self-organization. Introducing such virtualization will lower costs and increase service flexibility/velocity compared to physical networks, but only partially. ![]() The first principle is implementing network functions in a virtualized environment: running network element (NE) software, including switches, in virtual machines on physical commercial-off-the-shelf (COTS) servers. To realize the cost and service flexibility/velocity benefits of NFV, operators must implement two key principles. If the forecast benefits of NFV are to be fully realized, much more change is required. NFV pulls the functions necessary to run networks off of proprietary hardware and places them on open architecture-based servers and switches. Network function virtualization (NFV) substantially changes how communication networks are designed, built, and managed. This is an extract from the Insights Research report: When will NFV cross the chasm? ![]()
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