The shift to virtualization, with most organizations virtualizing more than 30% of their applications, challenges the means by which security teams implement firewall-based foundational controls. Organizations are embracing virtualization for obvious cost savings benefits when applications share server and infrastructure resources. In fact, many enterprises continue to re-architect networks to consolidate data centers, applications and IT services. For instance, the rapid provisioning of applications - running in a matter of minutes on a virtual server for a task that would take weeks with physical architectures – necessitates a rapid evolution in the security lifecycle management of firewall rules.
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