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Manage WAN

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  • Virtual service management needs hybrid approach

    The best answer for creating virtual service management may be a hybrid approach that combines end-to-end analytics-based and service-level management. Continue Reading

  • Stepping up your WAN connection with new network technology

    If you think enterprise WAN is "been there, done that," think again. The mobile workforce is redefining the role of the wide area network and the nature of the WAN connection. New technologies related to link aggregation and software-defined provisioning are bringing new capabilities to an old standby.

    WAN connection types have evolved from T-1s and Integrated Services Digital Network links to dynamic pipes capable of supporting bandwidth-intensive applications. What's next? Things like the software-defined WAN, or SD-WAN, which has significant implications for many aspects of your WAN, including application delivery. WAN connections in the cloud, too, are at the forefront: You can extend your private WAN to the edge of the cloud service provider's network via WAN Cloud eXchange.

    This technical guide discusses the evolution of the WAN and give you an idea of the new tools that will make your office connectivity infrastructure more robust.

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  • How SD-WAN benefits app delivery

    There are many SD-WAN benefits for the enterprise, including cost savings, better app delivery and more. Learn how to software define your wide area network. Continue Reading

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Problem Solve WAN Issues

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

  • What a network speed check revealed about sluggish performance

    A simple congestive overload of a low-speed link was the problem, but diagnosing the network speed check wasn't simple -- or easy. Continue Reading

  • Data center interconnect market: Enterprises, providers fuel growth

    The data center interconnect market is poised for significant growth, thanks to a number of factors altering the IT landscape -- including the growing use of cloud services, the massive proliferation of data, the increasing adoption of hyper-converged data center designs and the evolution of network traffic behavior. In fact, some analysts at Ovum Research predict data center interconnect market revenue will experience a compound annual growth rate of 10.5% over the next few years, reaching $4.2 billion by 2019.

    As long as information generation continues to increase -- a virtual inevitability -- organizations of all shapes and sizes will find themselves in need of faster, more reliable, higher-capacity connections. In this edition of Network Evolution, we examine how demand from both service providers and enterprises for speedy, scalable interconnect links are driving upgrades -- whether from 1 Gbps to 10 Gbps, or from 10 Gbps to 100 Gbps -- and moving the data center interconnect market forward.

    Also in this issue, we explore Cisco's recent updates to the Cisco Certified Internetwork Expert (CCIE) written exam, and consider whether those changes will help keep the certification relevant in the era of cloud, the internet of things and programmable networks. IT pros on both sides of the CCIE fence weigh in on the ongoing debate. We also head back to the classroom to find out how American universities are tackling the question of software-defined networking education, and what that means for the network managers of tomorrow.

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  • WUDO Backfire on Narrow WAN Pipes

    Under some circumstances a WUDO backfire on narrow WAN pipes can occur when sending or receiving updates to/from other PCs on the Internet. Continue Reading

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