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• SD-WAN makes secure networks possible in hybrid WANs

  As enterprises became more distributed over the years, a curious trend emerged: MPLS was no longer the golden child of the wide area ... Continue Reading

• A Wi-Fi design that can handle high density? Hallelujah!

  A contemporary church in Indiana celebrates its growing congregation, but an expansion creates networking challenges with its Wi-Fi design and wide area network. Continue Reading

• Virtual wires on the radar for future network infrastructure

  Due to changes in network infrastructure, running traffic over virtual wires could emerge from a combination of technologies, including SDN, NFV, virtualization and cloud. Continue Reading

• Get hands-on with the Open Network Operating System

  It's time to dive in with ONOS. Network pro Patrick Hubbard shares his recent experiences testing the open SDN operating system, and how you can try it, too. Continue Reading

• SDN training priorities for enterprises

  SDN promises to change how networking pros work. Analyst Shamus McGillicuddy shares the top priorities of enterprises tackling SDN retraining. Continue Reading

• Apply network analytics to more quickly solve service issues

  With little tolerance for unplanned downtime, IT is under pressure. Applying network analytics can help troubleshoot problems faster and more accurately, and prevent service issues down the line.Continue Reading

• The virtualized network alters data center plans

  The virtualized network is outstripping hardware and fundamentally altering data center plans, though in the long run, it has the chance to revolutionize them.Continue Reading

• SDN network security: Building a safer architecture

  Software-defined networking may hold the key to better security. Networking expert Lee Doyle explains how to strengthen SDN network security to prevent breaches.Continue Reading

• When network reliability matters more than performance

  In the world of motorsport, there's no question that speed is everything. But for the IT team that supports this Formula 1 team, network reliability is the top priority.Continue Reading

• Unusual network locations: How engineers make it work

  Almost anyone who has installed a network knows that much of it cannot be done from the relative comfort of an office chair. Whether you have to mount wireless access points on ceilings or pull Ethernet cables behind the walls, challenging ...Continue Reading

• Good networking principles prevent SD-WAN glitches

  SD-WANs can create new risks and challenges, but they also offer new rewards if users follow good networking principles.Continue Reading

• How can I get started with SDN technologies?

  Networking expert Lee Doyle explains how network architects can get started using software-defined networking technologies -- whether in the campus network, WAN or data center.Continue Reading

• Hyper-converged infrastructure forcing new thinking for networks

  Hyper-converged infrastructure not only drives new thinking about networks, it fundamentally changes some trusted networking techniques.Continue Reading

• DNS co-founder discusses need for a more secure DNS

  Thirty years after creating the Internet's domain name system, co-creator Paul Mockapetris talks about addressing Internet challenges with a more secure DNS.Continue Reading

• Is fabric necessary for network virtualization overlay?

  A fabric topology may become necessary at some point, but for now, you can get away without one for your SDN overlay.Continue Reading

• Using a WAN optimizer sounds great, until it doesn't work

  When a new WAN optimizer feature was added to the network, it appeared it would improve performance -- but it didn't.Continue Reading

• IPv6 connectivity: Ignore at your own peril

  Gathering knowledge on IPv6 connectivity and implementation is critical to success in modern IP networking.Continue Reading

• My MPLS service contract expires soon -- should I renew?

  The rise of SD-WAN has many asking: Do we really need MPLS connectivity? Expert John Burke explains what factors to consider before renewing your existing contract.Continue Reading

• What is the role of the security operations center in SDN?

  As SDN continues to gain traction, it's important that security keeps pace. Expert John Burke explains the role of the security operations center in a software-defined network.Continue Reading

• Starbucks is increasingly a free wireless ISP

  Brands are increasingly defined by their networks. Starbucks leads the way in becoming a retail -- and free -- wireless ISP.Continue Reading

• The new WAN: How SDN changes wide area network operations

  SDN promises to transform the wide area network. Network pros should consider how SD-WAN will also change operational and organizational needs.Continue Reading

• How to manage Wireshark display filters

  Wireshark display tools such as capture and packet filtering offer critical insights into network functioning, but only if properly understood and managed.Continue Reading

• Exploring OpenDaylight Project internals

  Diving into ODL Project internals as an engineer can be daunting, but doing so can lead to a richer understanding of the SDN platform. First, you'll need some new tools.Continue Reading

• Network configuration management tools could pave the way to SDN

  Could network configuration management tools be IT administrators' best way to prepare for SDN? One observer says "yes."Continue Reading

• How new technologies are reshaping MiTM attacks

  MiTM attacks are including wireless networks among their targets, targeting vulnerabilities in applications, browsers, mobile, IoT and the cloud.Continue Reading

• Are you ready for an SDN deployment?

  The principal motivation behind SDN deployments is the need for a responsive and nimble IT organization. While the network architecture is definitely in the future, not all are ready for it.Continue Reading

• Here comes Wave 2: 802.11ac reaches new heights

  There are two things every network engineer can expect to perpetually increase: the need for more bandwidth and the number of mobile devices on a wireless network.

  The first generation of wireless access points (APs) based on the Continue Reading

• A wireless network design can't be static

  In this Q&A, one network engineer describes how he's adapting his wireless network design to overcome challenges from the old world as well as the digital age.Continue Reading

• How to build the NFV business case

  Building a compelling business case for NFV is challenging, but essential. Telecom expert Tom Nolle explains how to convince CFOs that the time is right for implementation.Continue Reading

• Developing consistent information security policy management

  Never-ending network challenges mean IT and business leaders need to adopt a unified information security policy management platform.Continue Reading

• Why application delivery platforms remain a vital technology

  Cloud-based or on-premises application delivery platforms are growing in importance to enterprises. Once called 'load balancers,' the more common terms are 'application delivery controllers,' or Continue Reading

• Man vs. machine: In a network outage, who's to blame?

  Downtime is often chalked up to human error. But several high-profile outages this year were blamed on faulty technology. Which is more dangerous to your network?Continue Reading

• What are the WLAN benefits of 802.11ac vs. 802.11n?

  In analyzing wireless 802.11ac versus 802.11n, our expert says the advantages of 802.11ac are many, but the engineering has to be spot on.Continue Reading

• Combatting network threats: Look, Ma, no firewall!

  In this Q&A, a network engineer at the Rochester Institute of Technology explains his favorite weapons against network threats: user education and vulnerability scanning.Continue Reading

• Are enterprises ready to use SDN yet?

  Software-defined networking (SDN) gained early traction with the companies that had the resources to deploy it and a clear, immediate need for its benefits: cloud providers, carriers and hyper-scale data center operators. They were Continue Reading

• Amid ongoing threats, network security training gains appeal

  Network engineers who have focused primarily on honing their routing and switching skills say having limited network security training is no longer adequate.Continue Reading

• What is the status of OPNFV?

  Implementing NFV remains a daunting task, but Open Platform for NFV offers a path forward. Our expert explains where the open source platform stands today and where it's headed.Continue Reading

• How to use network orchestration for video and voice QoS

  Walk through how to use tools like Ansible, Jinja2 and YAML to orchestrate real-time video and voice QoS across traditional network devices without full SDN.Continue Reading

• Wi-Fi Aware and its impact on the enterprise

  Wi-Fi Aware offers application-driven, personalized, proximity-based services that detect local capabilities. What does the new face of Wi-Fi innovation look like?Continue Reading

• SDN will play key role in mobile network security

  SDN will serve as a critical tool in the fight to secure the mobile network, thanks to its adaptability, which will allow it to address new threats as they emerge and evolve.Continue Reading

• Persuading management to support the IT buying process

  What steps should you take to get your network buying needs approved by top management? One piece of advice: Learn what your manager needs.Continue Reading

• Data center switch software: Beyond speeds and feeds

  There is so much more to networking software than software-defined networking. In the data center, Continue Reading

• Rethinking network monitoring software for the user experience

  Just because the dashboard in your network monitoring software shows that everything is functional doesn't guarantee it's functioning well for users.Continue Reading

• Network engineer skills for an SDN world

  To compete in a software-defined industry, networking professionals need to learn and adapt. Expert Terry Slattery explains which network engineer skills are most important in SDN.Continue Reading

• What's the best way to handle end-of-sale devices on your network?

  A majority of organizations have end-of-sale and end-of-life devices on their networks. What's the best way to ensure your equipment is up to date?Continue Reading

• How to select the best network monitoring tool

  Enterprise employees now rely heavily on network connections to run critical applications and otherwise conduct daily business. That makes the networking professional's ability to monitor and manage the network mission-critical. Network pros require...Continue Reading

• Time to erase IT friction between InfoSec, NetOps

  IT friction between your security and network operations personnel sap productivity. Maybe it's time for everyone to work together.Continue Reading

• Supporting wireless infrastructure as devices proliferate

  In this Q&A, one IT pro shares the challenges of supporting wireless infrastructure in student housing, where residents have more devices than ever.Continue Reading

• WAN optimization techniques pace IT investment

  TechTarget's most recent Networking Purchasing Intentions survey reveals IT's priority to invest in WAN optimization techniques in the next 12 months.Continue Reading

• NIA: Saisei's FlowCommand SDN appliance secures network flows

  Saisei, our latest Network Innovation Award winner, uses its FlowCommand virtual SDN appliance to control network flows and prevent individual users from hogging bandwidth.Continue Reading

• Infrastructure convergence offers high availability, improved ops

  When Patrick Hubbard's iPhone falls into a pool, he is reminded about the value of converged infrastructure.Continue Reading

• SDN monitoring means new transitions for engineers

  SDN network management means tools are transforming from listening mode to active mode.Continue Reading

• Facing network breach threats, visibility is key

  In this Q&A, an IT pro at Penn Mutual shares how his dual strategy of user education and Layer 7 visibility helps prevent network breaches.Continue Reading

• The future of WAN optimization: SD-WAN

  Network managers today are less likely to be sweating over how traffic from traditional applications like SharePoint performs over the wide area network (WAN) compared to cloud apps that users access via the Internet.

  This shift, along with ...Continue Reading

• Software containers can create problems in the network

  Software containers offer attractive alternatives to hypervisors, but in large-scale deployments, they can cause problems for network engineers.Continue Reading

• Mobile, video content delivery key to next-gen metro networks

  SDN and NFV applications could be the answer to make mobile and video content delivery in the metro network more agile for delivering enterprise services.Continue Reading

• Overcoming the challenges of wiring farm networks

  The sound of mooing and the smell of diesel fuel are just part of what makes wiring a farm for networking a special experience.Continue Reading

• Tools you need to become your own network cloud manager

  An ever-increasing percentage of enterprise workloads is moving to the cloud. Now is the time for IT pros to acquire the cloud-monitoring tools a next-gen network requires.Continue Reading

• The tools that network cloud managers need now

  If the trend continues, enterprises could have more than half of their applications in the cloud by 2020. Increased cloud adoption introduces the issue of how to manage the network for high-quality performance across a variety of access links. This ...Continue Reading

• How do you anchor mobile network optimization?

  A successful mobility strategy hinges on how well users can get their jobs done across a variety of devices, operating systems and locations, according to an expert.Continue Reading

• Cisco to acquire maintenance agreements tracker MaintenanceNet

  Cisco plans to acquire maintenance agreements tracker MaintenanceNet. The $139 million deal is expected to help resellers.Continue Reading

• SN blogs: Cybersecurity vendors the new Pets.com?

  Analysts say the addition of Cisco and Accenture will help efforts to standardize IoT wireless efforts, but hurdles remain.Continue Reading

• Masergy's NFV platform: An app store for virtual network functions

  Masergy's new NFV platform acts like an app store for virtual network functions. One possible hurdle: Convincing enterprises the software is secure.Continue Reading

• Gaining business intelligence from network data analysis

  Harvesting your networking data to generate business intelligence can be done -- if you know how to begin.Continue Reading

• SN blogs: Ensuring access point security remains puzzle

  Industry analysts discuss steps to protect WLANs against honeypot APs and how Juniper's alliance with Ruckus could shake up the market.Continue Reading

• SDN blogs: Arista SDN cloud release could work

  This week, analysts discuss Arista's new SDN controller for cloud networks as well as SD-WAN's effectiveness in computing best path.Continue Reading

• Juniper introduces peering router for content providers

  Juniper Networks has introduced a compact peering router aimed at service providers looking to speed up content delivery.Continue Reading

• ICYMI: Dynatrace APM tools bolstered with Keynote combo

  Dynatrace expands while Extreme adds role-based policy management to its Summit line of enterprise and data center switches.Continue Reading

• SN blogs: New Cisco CEO Robbins' strategy praised, panned

  An analyst says incoming Cisco CEO Chuck Robbins' move to prioritize strategies will help the vendor. But there are areas that still need attention.Continue Reading

• Survey shows SD-WAN interest but measured uptake

  SD-WAN is creating a lot of buzz this year, but a new TechTarget survey shows that actual deployment will be limited this year, despite the number of new and traditional vendors in the market.Continue Reading

• Arista launches network automation tools for enterprises

  Arista introduces network automation tools with enterprise features like network-wide rollback.Continue Reading

• Enterprises struggle with SDN development, culture

  Enterprises say retraining and cultural changes stemming from SDN development are more difficult to solve than technological challenges.Continue Reading

• Is Spark the new data analytics engine?

  SN blogs: This week an analyst says that Apache Spark might be the data analytic engine that eclipses Hadoop; Cisco uses a cutting edge data management technique.Continue Reading

• News recap: Data center model could be new telecom central office

  In telecom news, AT&T and ONOS Project held the first CORD proof-of-concept demo at Open Networking Summit, while Los Angeles may deploy municipal Wi-Fi.Continue Reading

• Array SSL VPN pays dividends to bank

  A Boston-area bank exploits its technology infrastructure to yield a competitive edge.Continue Reading

• Carriers bet big on open SDN

  AT&T and other carriers tell attendees at the Open Networking Summit they're committed to moving to open SDN. Google unveils Jupiter SDN platform at ONS.Continue Reading

• BYOD, MDM streamlined with Xirrus Wi-Fi

  Wi-Fi vendor Xirrus introduces EasyPass, a set of cloud-based Wi-Fi security services for enterprise customers.Continue Reading

• ICYMI: Group issues open source NFV app to spur expansion

  In this week's SDN news, the OPNFV Project releases its open source NFV platform to help companies add virtual functions while NEC releases two new switches to help build large software-defined data centers.Continue Reading

• When it comes to system outages, don't prepare for the worst

  Tracking and monitoring for common potential problems is more valuable and cost-effective than planning for massive systems outages -- which may never occur.Continue Reading

• Cisco broadens SDN on Nexus switches

  Cisco is using open SDN technology to make its Nexus switches more appealing to services providers, enterprises.Continue Reading

• Arista EOS+ brings the programmable switch down to earth

  A programmable switch sounds appealing to many enterprises, but few have the in-house expertise to take advantage of one. Arista's EOS+ software aims to make it far more accessible.Continue Reading

• Data warehousing projects benefit from cloud and Hadoop

  SN blogs: This week, analysts discuss a new way to network a campus LAN and if ACI and NSX can work well together.Continue Reading

• Riverbed APM gets easier to deploy and use for enterprises

  Riverbed introduced SteelCentral AppInternals 10. The latest APM product features a new, single interface and can be deployed in minutes.Continue Reading

• Understanding the basics of a hybrid VPN

  In part two of a three-part series, an expert looks at how hybrid VPNs are impacted by the shift from private services to the public Internet.Continue Reading

• When the benefits of network virtualization aren't enough

  Consultant Glen Kemp shares the story of a client who re-evaluated the benefits of network virtualization after encountering a platform bug.Continue Reading

• Network analytics 2.0: Say hello to advanced operations analytics

  Network analytics tools may improve visibility and performance, but advanced operations analytics can turn the network into something that brings value to the business.Continue Reading

• When planning IT, orgs need analytics and big data

  Networking expert Mike Jude says big data analytics isn't complete without cognitive computing. But a cognitive computing framework should not be taken lightly.Continue Reading

• How to manage apps and make them behave

  In today's competitive world, application performance is more important than ever. Enterprises are relying on a new generation of tools designed to let them diagnose application performance management issues -- identifying whether performance ...Continue Reading

• Cloud and mobility call for new network defense tactics

  As network attacks become more sophisticated, IT must equip itself with new network defense tactics.Continue Reading

• Manage apps with APM tools, fix critical performance issues

  IT pros need to consider new developments in technology like software-defined networking and the Internet of Things when choosing the best Ethernet switch for their current and future network.Continue Reading

• What to consider when choosing the best Ethernet switch

  IT pros need to consider new developments in technology like software-defined networking and the Internet of Things when choosing the best Ethernet switch for their current and future network.Continue Reading

• When, not what, defines today's networking career

  Learning new technologies is a constant challenge, but it is one that IT pros need to overcome to ensure a networking career remains relevant.Continue Reading

• Service providers take cautious approach to NFV implementation

  Service providers' strategies for NFV implementation are designed to minimize disruption while transitioning legacy architectures to a virtualized world.Continue Reading

• Layer 4-7 network orchestration: Are we there yet?

  Software-defined data centers and cloud are driving a need for Layer 4-7 network orchestration tools that can automate provisioning and lifecycle management.Continue Reading

• MPLS fabric is natural fit for ISP backbone overlays

  While data centers typically use an IP fabric under their network overlays, ISPs may find that MPLS fabric makes more sense as backbone underlays.Continue Reading

• How network overlays could benefit provider backbones

  ISPs are weighing potential benefits of network overlays in the backbone, including increased agility, faster service provisioning and lower Opex.Continue Reading

• SN blogs: OpenStack deployments still lacking

  SN blogs: This week, a research director explains that even though OpenStack is a popular open source framework, it's not seeing as many deployments as one might expect.Continue Reading

• Networkers face tough slate of cloud and security decisions

  Deploying a cloud service means it's time to craft new policies that govern security procedures.Continue Reading

• How do you create a secure VPN tunnel?

  Expert Julian Weinberger says that locking your VPN parameters can help secure your VPN tunnel by blocking users from changing configurations.Continue Reading

• Time to replace RJ-45 connectors in the data center?

  Ubiquitous RJ-45 connectors reign supreme even in the wake of newer data center technologies. USB 3.1 cables are out there; can they be the next big thing?Continue Reading