LATEST INTELLIGENCE
UNDERSTANDING THE
OBSTACLES TO WAN
TRANSFORMATION
SECURITY, PERFORMANCE, AND TCO
E
Executive Summary
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14
Issue 11
Network engineering and operations
leaders are looking to replace their
traditional wide-area network (WAN)
architectures with software-defined
wide-area networks (SD-WAN) in order to
support the ever-increasing traffic demands
(and associated connectivity costs) that
come with digital innovation (DI). These DI-
driven initiatives improve staff productivity
and create new business opportunities. Yet,
they also impact networking performance
and ratchet up security concerns.
SD-WAN adoption is accelerating and
many organizations have embarked on
SD-WAN implementations. But many SD-
WAN solutions present serious challenges
– from inadequate security to high total
cost of ownership (TCO). Understanding
these issues is key to navigating the
increasingly complex market for WAN
edge technologies.
How DI Is Impacting
Corporate Networks
Distributed organizations are embracing
a wide range of DI technologies. This
includes adoption of Software-as-a-Service
(SaaS) applications, cloud on-ramping
connectivity, Voice over IP (VoIP) and video
communications tools, use of DevOps
to speed time deployment for new web
applications, and Internet-of-Things (IoT)
devices for data collection and telemetry.
However, these DI initiatives present new
challenges for network engineering and
operations leaders who must sustain both
performance and security from the data-
center campus to branch offices on the
network edge. ◊
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