Organizations that have made the switch from physical networking devices to virtual network functions (VNFs) often need to resize their virtual resources as business needs change. This could happen for a variety of reasons—for example, acquiring another business, supporting more remote workers or moving from testing into a wider deployment. Virtualized infrastructure already offers well-known advantages that IT professionals have come to expect: faster time to market, more predictable OPEX-based costs and on-demand deployment in minutes instead of waiting months for hardware to arrive. Those benefits can be further enhanced with features that provide greater elasticity to accommodate ever-changing business…

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