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We are at a critical inflection point in business and technology. Globalization, the Internet of Things (IoT), the cloud, virtualization, and mobile devices are forcing companies to extend their network edge—often into places where they cannot easily gain visibility. Budgetary constraints, technical limitations, security concerns, and performance issues prevent moving entire information technology (IT) infrastructures to the cloud, and that will continue to be the case for a while. In the meantime, enterprises are implementing a hybrid enterprise model, sending a mix of critical and non–mission critical workloads outside of their primary private cloud and on-premises environments.
External cloud-based applications can be a mix of Software-as-a-Service (SaaS) applications and customer-developed applications running on external Infrastructure-as-a-Service (IaaS) platforms. The business data exchanged among on-premises applications running at branch offices, private data centers, and the public cloud increases the complexity of the end-to-end visibility needed to identify and predict network outages, spot a security breach, and analyze mission-critical application performance issues. According to a recent Gartner Inc. research note1, “Lack of visibility proliferates due to the increasing use of cloudbased apps, encryption, and general network expansion. Moving forward, IoT will add additional visibility challenges.” This prompts a need to rethink our approaches to end-to-end visibility and security in an increasingly complex virtualized world.
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