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Software-defined WAN (SD-WAN): The new landscape of networking

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Comparing traditional WAN vs. SD-WAN

While comparing traditional WAN vs. SD-WAN, network professionals can see the many benefits of SD-WAN, including centralized control and dynamic traffic management.

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  • SD-WAN: Hitting the mainstream

    For the networking industry, 2018 was the year in which interest in software-defined wide area network (SD-WAN) started to ramp up in earnest, as more and more enterprises started to assess the benefits (and pitfalls) of the technology, and more early adopters started to make concrete purchasing decisions.

    For the uninitiated, an SD-WAN uses software-defined networking (SDN) technology to automate and prioritise traffic routing between distributed enterprise sites and datacentres, either by creating a transport-agnostic virtual overlay that sits on top of your preferred network infrastructure, or running as a network-as-a-service option. Centrally provisioned and controlled, SD-WAN technology is supposed to make life much easier for the IT department. That’s the theory, at any rate, but what’s the reality?

    In this e-guide, our team of experts explore the current state of play in the SD-WAN market. As the technology moves towards the mainstream, Christian Annesley provides an overview, while Rene Millman looks at some of the supplier options for buyers.

    Moving on, we take a look at some of the misconceptions that still surround SD-WAN, and maybe explode a few myths, and of course as with any network deployment, there are security concerns to consider.

    Finally, we assess some aspects of migrating to SD-WAN from MPLS, first with a compare-and-contrast exercise, followed by a look at how to start a successful transition.

  • How to transition from SD-WAN to SASE

    As businesses work to ensure secure connectivity for their distributed employees, many have moved from an SD-WAN framework to a SASE one.

    You may have some questions:

    • How do SD-WAN and SASE compare?
    • What are the benefits of adopting a SASE model?
    • What does a transition to SASE look like?

    This E-Guide has answers. Keep reading to access networking insights.

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  • The Dark Side of SD-WAN

    There’s a glow on the upsides of SD-WAN, but there’s also a “dark side” that must be considered. Companies looking to SD-WAN to replace traditional MPLS have to learn how to design the middle and last miles of their SD-WAN to run reliably and with high availability. View this Cato Networks guide to learn how it’s done.

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  • MPLS Advantages and Disadvantages for WAN Connectivity

    Read this expert guide to learn the advantages and disadvantages of MPLS for WAN connectivity.

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  • How cloud & SD-WAN are revolutionizing retail

    Access this e-book to learn how the increased flexibility of Network-as-a-Service (NaaS), Unified-Communications-as-a-Service (UCaaS) and SD-WAN can all help retailers achieve maximum customer satisfaction.

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  • 5 common SD-WAN challenges

    SD-WAN is a feature-rich technology with the ability to consolidate networking, security, reporting and management into one platform. But potential users should be aware of inherent SD-WAN challenges and deployment risk factors. In this infographic, we point out five challenges IT teams are facing when evaluating SD-WAN technologies and vendors.

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  • SD-WAN vs. SASE: What's the difference?

    SASE and SD-WAN both connect geographically separate endpoints to each other and an organization's network resources, but the methods in which they do so differ in various ways. In this infographic, we highlight five key differences between the SASE and SD-WAN that could help businesses choose the right technology for their needs.

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  • April ezine: SD-WAN more than just networking

    An issue covering SD-WAN, storage innovations and opportunities for channel growth

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  • How enterprise networks use WAN virtualization

    Virtualization is the backbone of network management in modern enterprises. Surprisingly, in most enterprises, virtualization came to the WAN last, but it arrived with enormous sophistication. SD-WAN is the most common form of WAN virtualization. But virtual WAN strategies are evolving to include software-defined perimeter and cloud concepts.

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  • 7 steps of an SD-WAN implementation

    The benefits of software-defined WAN make many organizations interested in adopting it, but the implementation process can seem daunting. Enterprises can use this seven-step process as a guide to deploy a successful SD-WAN implementation.

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  • January ezine: SD-WAN is taking off

    There has been plenty of talk about SD-WAN and the moment has arrived where the technology is making money for the channel

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  • Your path to efficient SD-WAN troubleshooting

    What do you do when an SD-WAN has problems? You troubleshoot. But SD-WAN troubleshooting requires IT teams to understand the network devices, connectivity and topology with which they're dealing, as well as many other factors. Below are some practical monitoring and troubleshooting steps IT teams can follow when dealing with SD-WAN issues.

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  • 4 standout capabilities of hybrid WAN

    How can organizations meet the networking needs of their fixed sites without on-site IT professionals? Tap into this overview to learn how hybrid WAN can help.

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  • 7 steps to migrate from WAN to SASE

    As the demands of business evolves, so too must the networking technology that fuels the enterprise. This e-book explores why CIOs are questioning continuing investment in traditional WAN infrastructure and looking to new models and frameworks for transforming their legacy WANs. Read on to learn more.

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  • How SD-WAN can advance your network infrastructure

    Cisco has upgraded its SD-WAN with direct cloud service access, including Office 365. Explore how SDN and SD-WAN can advance your network infrastructure in this white paper.

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  • From MPLS to SD-WAN: Case study

    Global provider of safe storage services for bulk liquids, Stolt-Nielsen, recognized that its MPLS-based network presented cost and management challenges. So, the provider set out to future-proof its network infrastructure. Tap into this case study to learn how Stolt-Nielsen accomplished that mission.

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  • MPLS vs. Ethernet: Which WAN Connectivity is Best?

    Which is better for wide area network connectivity: MPLS or Carrier Ethernet? Read on to find out.

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  • Software-Defined Networking Strategies for Campus WANs

    In this E-Guide from SearchNetworking.com, explore some of the issues associated with troubled OpenFlow switches, which vendors carry them, and details about a strategy that will not cause you the issues these other switches do.

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  • SD-WAN: Accelerating network transformation in APAC

    In this e-guide, read more about SD-WAN's momentum in the Asia-Pacific region, and how the technology can support the requirements of a multi-cloud environment.

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  • SD-WAN for national pain relief network

    A leading national network of pain relief centers helping over 1 million patients struggled to manage monthly invoices that spanned over 80 locations. This was in part due to the shortcomings of their legacy MPLS network. Download this case study to learn how SD-WAN and telecom expense management (TEM) helped improve bandwidth and reduce costs.

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  • How SD-WAN enhances the distributed recycling business

    When one of the largest metal recycling services companies needed help overcoming disruptions due to outdated network infrastructure, they knew they had to change. Improving bandwidth and resiliency were the primary goals along with reducing costs, and they only way to achieve that was to adopt SD-WAN. Read on to see how they did it.

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  • Analyst report: SD-WAN market overview

    To compare 14 top SD-WAN vendors – including Fortinet, Palo Alto Networks and VMware – take a look through this Gartner Magic Quadrant report.

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  • How the right SD-WAN can lead to 243% ROI

    To learn how a next-generation SD-WAN product can deliver an ROI of 243%, check out this 13-page overview.

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  • Channel getting ready for SD-WAN lift-off

    Software defined networking has been around for a few years but it is early days for SD-WAN and that means there is time for resellers to get on board before the technology takes off.

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  • Infographic: Comparing the leading SD-WAN vendors

    This SD-WAN vendor comparison chart is a useful starting point to get information about SD-WAN deployment options, pricing, cloud connectivity options and more.

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  • Why a restaurant chain uses hybrid WAN routers

    Across South Africa, restaurant chain Nando’s has hundreds of sites – and all of those sites require strong, secure connectivity to drive positive customer experiences. So, how does Nando’s serve up high-quality connectivity? Dig into this case study to find out.

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  • The rise of SD-WANs: Time to cross the chasm

    Where does SD-WAN stand at the beginning of the second quarter of 2022? The solid upward trajectory of SD-WANs has been given further impetus by the parallel emergence and rise of SASE, which integrates SD-WAN with edge security, and the rise persists as SD-WAN pricing becomes more competitive and monitoring capabilities become popular.

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  • SD-WAN: Accelerating network transformation in APAC

    In this e-guide, read more about SD-WAN's momentum in the Asia-Pacific region, and how the technology can support the requirements of a multi-cloud environment.

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  • Key benefits of SD-WAN by company size

    In this IDC white paper, discover the top benefits of SD-WAN solutions for small and medium-sized businesses, and find out what solution best fits the needs of your organization.

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  • Analyst report: SD-WAN insights for manufacturers

    76% of surveyed manufacturing organizations have set digitalization as a strategic imperative, according to research by Frost & Sullivan. So, how can those manufacturers accomplish their digitalization goals? This Frost & Sullivan report explores how SD-WAN and SASE can help in 5 key ways. Continue on to explore the insights.

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  • WAN video conferencing network design requirements for QoS

    This e-guide takes an in-depth look at the critical requirements of the WAN video conferencing network design. Uncover best practices to ensure consistent, high-quality video service delivery across the WAN.

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  • How SASE and SD-WAN are making on-premises firewalls redundant

    According to Gartner, by 2024 at least 40% of enterprises will have explicit strategies to adopt SASE, up from less than 1% at year-end 2018. Access this resource to learn how SASE and SD-WAN can make on-premises firewalls redundant.

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  • The ROI of Palo Alto Networks CloudGenix SD-WAN

    Forrester recently spoke with multiple Palo Alto Networks customers regarding their investment in CloudGenix SD-WAN as part of a Total Economic Impact (TEI) study. Download this Forrester report to see the various benefits customers’ saw when migrating away from MPLS to Palo Alto Networks CloudGenix SD-WAN.

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  • SD-WAN for IoT: Advice from Enterprise Strategy Group

    Deploying an IoT environment comes with risks; because of this, many organizations are working to level up their network security. One way to accomplish that mission is by leveraging SD-WAN with integrated IoT security. To learn more, dig into this white paper by TechTarget’s Enterprise Strategy Group (ESG).

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  • MicroScope – November 2019: The growing SD-WAN opportunity

    After plenty of hype, SD-WAN technology is delivering revenues for the channel as it continues to rapidly grow

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  • Computer Weekly Buyer's Guide to SD-WAN services

    In this 14-page buyer's guide, Computer Weekly looks at howSD-WAN effectively removes telcos' lock-in, the ways hybrid deployment hinges on the network, and the flexibility demanded by cloud-based workloads.

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  • Wireless WAN: Unlocking the freedom to connect emergency services

    You have stations, control centers, vehicles, IoT and emergency services staff — all requiring reliable, secure, and agile connectivity. But how can you unite them safety and securely? Keep reading to achieve the freedom to connect emergency services.

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  • The 4 foundational elements of wireless WAN across locations

    This white paper explores how LTE and 5G Wireless WAN for fixed and temporary locations enable business transformation at the remote edge. Keep reading to learn how transforming the network edge can improve business responsiveness and reach.

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  • 4 foundations of wireless WAN for fixed & temporary locations

    “The remote edge of enterprise WAN,” Cradlepoint argues, “is where business transformation happens.” And to support that transformation, the WAN edge must transform, too. To track the evolution of WANs from the 2000s to beyond, and to discover the 4 foundations of wireless WAN for fixed and temporary locations, read this white paper.

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  • March ezine: Making tracks to SD-WAN growth

    SD-WAN is a technology on the rise and there are clearly plenty of channel opportunities out there for those that get a firm grip on deployment and installation

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  • A Computer Weekly e-guide to WAN & applications services

    One of the key technology trends of the last five years, if not longer, has been the migration from networks based on multiprotocol label switching (MPLS) to the more agile and affordable alternative, wide-area networking (WAN) technologies and in particular software-defined (SD-WAN).

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  • The rise and rise of SD-WAN in post Covid-19

    So much has been up in the air in the wake of the onset of Covid-19 and the lockdowns and stay-at-home orders issued by various governments around the world. But there has been one thing that is pretty fixed: the rise and rise of software-defined wide area networks (SD-WANs).

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  • 3 Steps to an Open Access, Cloud-centric WAN

    Along with delivering myriad benefits to organizations, cloud computing strains traditional WAN architectures. Is that an issue that your business can sidestep? According to this blog, the answer is yes. Read now to discover 3 steps that your organization can take to develop a cloud-centric WAN.

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  • SD-WAN comparison chart: 10 vendors to assess

    Enterprises can choose from multiple SD-WAN deployment models, such as fully managed, co-managed and DIY. Those that opt to purchase SD-WAN directly from a vendor might find it overwhelming to sort through the various vendors. To help, the comparison chart below provides a breakdown of 10 SD-WAN vendor offerings.

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  • 5 steps to follow when migrating MLPS to SD-WAN

    Convolutional neural networks and generative adversarial networks are both deep learning models but differ in how they work and are used. Learn the ins and outs of CNNs and GANs.

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  • How can 5G and hybrid WAN support emergency response?

    To effectively respond to emergencies, police headquarters, patrol vehicles, dispatch centers and more need reliable, secure connectivity. Browse this overview to understand how 5G and hybrid WAN can support such connectivity.

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  • Cradlepoint and 5G assist with reliable WAN failover

    Having a strategy in place for WAN failover can help mitigate risks by providing automatic, seamless transitions to backup connectivity when the primary link fails. Read on here to discover how to navigate network failover with 5G and LTE, as well as assistance from Cradlepoint.

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  • Ultimate guide to SD-WAN: 10 key considerations

    For an ultimate guide to software-defined WAN (SD-WAN), dig into this 62-page e-book, which explores SD-WAN’s scope, architecture, benefits and more.

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  • Fuel call center excellence with VMware SD-WAN

    With operations scaling, Simply Business’s existing network was holding their call centers back. Breeze Networks replaced the entire existing MPLS network with VMware SD-WAN, the central firewall and AWS interconnects, as well as deployed new resilient circuits and cloud-based web filtering. Download this case study to learn more.

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