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http://www.fortune.com/adsectionsresources to meet the needs of every app, giving priority to
specifi c traffi c, services, users, features, and functions on
the network under preset conditions. SD-WAN also enables
security policies, secures access to applications, and satisfi es
service-level agreements that state the minimum service quality
an app needs to function optimally.
But even SD-WAN has a fi nite amount of bandwidth to offer,
which begs for WAN optimization to make sure limited band-
width goes as far as possible. Although there has been a lot of
talk about SD-WAN replacing WAN optimization, 67% of those
surveyed in the U.S. want WAN optimization with their SD-WAN,
according to Frost & Sullivan. SD-WAN must include WAN
optimization so that cloud applications can thrive in the era of
digital transformation. Otherwise, more bandwidth will need to
be purchased to support all of those apps.SD-WAN, the Mobile Employee, Security, and IoT
With the growth of a mobile workforce and IoT, remote offi ces
have more requirements than ever. But perimeter security that
surrounds a company’s data center or headquarters won’t protect
mobile employees or IoT. They need additional protection, and SD-
WAN and the cloud can help.
Enterprises everywhere want more cloud with their SD-WAN
deployments. When the network can be managed from the cloud,
downtime from unwieldy applications and connections—which
can dampen the user experience and steal some of the productiv-
ity achieved by remote, mobile, or traveling employees—can be
limited.
Cloud-based network management using SD-WAN also
increases the reliability of business communications and ensures
that mobile employees can rely on their network connections
whenever and wherever they work. SD-WAN can manage Voice
over Internet Protocol (VoIP) calls so that they have plenty of band-
width, eliminating the risk of dropping important conversations.
SD-WAN is essential to the new network perimeter, which is
the mobile user. The cloud makes it possible to push SD-WAN
benefi ts right up next to the mobile worker, supporting applica-
tion performance needs wherever employees roam. Encryption
and other security technologies meet mobile users where theyWAN remains the weakest link in the virtualization chain.
VMware, a leader in cloud infrastructure and digital workspace
technology, is one vendor that completes the chain. VMware SD-
WAN by VeloCloud simplifi es, automates, and optimizes access
to applications from the branch to the data center to any cloud,
using a unique network of global cloud gateways that enable
improved application performance and zero-touch deployments.
“Enterprises are already moving applications, compute, and
storage to the cloud,” says Sanjay Uppal, vice president and gen-
eral manager at VMware. “They have to ask themselves, ‘What
about the network?’ We say the cloud is the network.” Uppal says
VMware’s offering eliminates traditional complex WAN hardware
requirements and management. “Your precious IT resources are
able to focus on revenue-generating functions,” he adds.
Cloud Applications and the Digital Transformation
With advances in DevOps—the latest approach to better, faster
software development—the evolution of new applications with rich
features is constant and quick. Companies are automating manual
processes in software and bringing digital technology into every
area of the business to serve customers better and make employ-
ees more productive. Moving apps to the cloud is a big part of it,
with 83% of organizations shifting workloads to the cloud by 2020,
according to a survey from Logic Monitor.
For example, many enterprises are breaking up legacy soft-
ware into smaller pieces so they can develop them quickly and
offer them in the cloud. This approach lets them add customer-
pleasing features fast so they can advance their position in
the marketplace. Using policies, SD-WAN can juggle network
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