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UNDERSTANDING THE
OBSTACLES TO WAN
TRANSFORMATION
SECURITY, PERFORMANCE, AND TCO
E
Executive Summary
PRESENTED BY
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16
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. u
Issue 22
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