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Learn to apply best practices and optimize your operations.

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• Hybrid cloud stresses application monitoring tools

  Keeping tabs on application performance gets tougher in hybrid cloud situations. APM tools can help.Continue Reading

• Gigamon gets NIA award for network traffic visibility platform

  Gigamon wins this month's SearchNetworking Network Innovation Award for its HC2 modular fabric node for network traffic visibility.Continue Reading

• Why one IT pro’s network upgrade led him from Cisco to Dell

  In this Q&A, one network admin explains how rapid growth at his company prompted a massive network upgrade that included migrating from Cisco to Dell.Continue Reading

• WAN 2.0: Say goodbye to network provisioning delays

  Network engineers have long suffered the consequences of slow provisioning times for many traditional wide area network (WAN) connections like point-to-point T1 lines or MPLS networks. They're at the mercy of carriers that can take as long as three ...Continue Reading

• Grappling with private WAN provisioning delays in the on-demand era

  Long lead times are not a new problem in private WAN provisioning, but enterprises are feeling the pain of those delays more acutely.Continue Reading

• The race toward multigigabit speeds, and more

  Ethernet -- that most fundamental of network technologies -- is occupying center stage again as the IEEE and vendors release new standards and products governing its deployment. But this time, faster speed isn't the whole story. The advent of ...Continue Reading

• Getting clarity on delivering video conferencing services

  The technology that the inventors of the 1960s Picturephone visualized is at last within reach. Here's how to implement and manage video conferencing today, and factor in cloud services too.Continue Reading

• A unified view: How to manage and monitor networks today

  Enterprise networks are increasingly complex, with a variety of wired and wireless connections linking locations that can include multiple clouds, branch offices and headquarters. The enterprise network must provide access to an ever-wider variety ...Continue Reading

• Named Data Networking project wants to retire TCP/IP

  TCP/IP is buckling under the demands of today's Internet, according to researchers who want to replace it with a new Internet protocol stack. Their solution: Named Data Networking.Continue Reading

• How to make legacy and emerging network technologies work together

  Emerging network technologies like SDN and NFV have to interwork with legacy equipment and be managed as one. Find out what it will take to get there.Continue Reading

• How to protect your IPv6 address management

  Expert Fernando Gont explains how to probe whether your IPv6 address components are vulnerable to attack.Continue Reading

• Avoiding the pitfalls of virtual network functions takes planning

  Building a network functions virtualization framework means understanding which features, or functions, are most important. Tread carefully.Continue Reading

• How to avoid IPv6 neighbor discovery threats

  If you're ready to deploy IPv6, get ready to understand neighbor discovery and its vulnerabilities.Continue Reading

• What is the security impact of enterprise IoT?

  Software management at the device level is key to mitigating security risks in the enterprise when IoT arrives.Continue Reading

• Managing mobility means understanding EMM

  As enterprises become more mobile, enterprises need to understand the tools available to help them manage that growth.Continue Reading

• Three VoIP quality killers

  Managing VoIP quality is a constant headache for engineers. Here are some ways to avoid some common problems.Continue Reading

• Faster wireless means wireless security policies need an update

  Faster wireless technology is now widely available, but are your network's security policies up to the task?Continue Reading

• How to build a network for Open vSwitch testing

  Setting up an Open vSwitch test network can be as simple as downloading code, deploying it on x86 servers and attaching storage disks. Here's how to get started.Continue Reading

• Common DNS record types: What they mean

  The domain name resolution process has many steps. Our expert walks you through some of the most common.Continue Reading

• With MPLS-TP and SDN, a simpler dynamic control plane

  MPLS-TP transforms carrier networks for packet switching, but SDN could take it a step further. Combining the technologies, engineers could reduce complexity in the dynamic control plane and gain flexible service creation.Continue Reading

• Why you need software-defined security for your SDN

  The network architecture shift to software-defined networking requires software-defined security, not a hard-wired security approach.Continue Reading

• Six considerations for big data networks

  Big data networks must be built to handle distributed resources that are simultaneously working on a single task. That'll require network resiliency, consistency and application awareness.Continue Reading

• 8 steps to a successful MPLS migration

  Successful MPLS migration takes careful consideration. Robert Sturt offers some advice about the steps you should consider before making the move.Continue Reading

• Using the Link Layer Discovery Protocol to reveal disparate devices

  The Link Layer Discovery Protocol is a helpful tool when you need to know what's connected in your network -- regardless of vendor.Continue Reading

• Upgrading the core when network downtime isn't an option

  Network downtime is often a necessary evil for network upgrades, but in the world of 24/7 broadcast media, maintenance windows are hard to come by.Continue Reading

• Network programming skills from scripting to DevOps: What to learn

  Networking pros don't need to become code monkeys, but a little network programming can go a long way toward advancing their careers.Continue Reading

• Cisco iWAN marries MPLS and Internet for WAN aggregation

  With Cisco iWAN, engineers optimize WAN performance by dynamically aggregating MPLS and Internet resources.Continue Reading

• Why not replace routers with smart switches?

  In this Q&A, one network manager discusses how he's ripping out routers and replacing them with smart switches at sites with Ethernet WAN transport.Continue Reading

• MPLS networks not obsolete, but Internet as WAN catches up

  MPLS networks have been the undisputed king of WAN services for years, but more enterprises are looking at supplementing them with Internet services.Continue Reading

• How to buy: What to look for in 802.11ac access points

  If you're in the market for 802.11ac access points for your wireless LAN, find out what features are essential when it's time to buy.Continue Reading

• Overlay networks: Understanding the basics, making it a reality

  Network overlays place a virtual network over the physical infrastructure for dynamic provisioning and orchestration of network resources.Continue Reading

• Good BYOD expense management hinges on clear telecom expense policies

  A cohesive telecom expense management program must be based on clear policies governing how employees are reimbursed for using their own devices.Continue Reading

• Identify this network convergence nomenclature: You could be a winner

  As the admin and platform owner of a project, Patrick Hubbard has to monitor everything, and he coined a new term that describes that responsibility.Continue Reading

• How to manage bandwidth hogs of the mobile device age

  Personal mobile devices will hog your network resources unless you are prepared. Here is what network admins must do now.Continue Reading

• Five software-defined data center tips to consider before investing

  The software-defined data center combines programmable networks, servers and storage. But these SDDC tips show you what to look for beyond basic flexibility.Continue Reading

• 802.11ac Wi-Fi takes the lead, but wired network has to play backup

  As adoption of the new 802.11ac Wi-Fi standard picks up, wired networks must be ready to support faster speeds and greater capacities it brings.Continue Reading

• Software-based routers on x86 servers are becoming reality

  With stronger processing power and advanced software features, software-based routers are becoming a reality -- but only in some cases.Continue Reading

• Using dynamic ARP inspection to stop sniffing attacks

  Expert Michael Gregg discusses how dynamic Address Resolution Protocol inspection helps prevent hackers from penetrating enterprise switches.Continue Reading

• Expert discusses must-haves for secure VPN implementations

  Expert lists strong encryption settings and security policies, among others, as ways to use security and design to strengthen VPNs.Continue Reading

• In SDN optical networks, centralized control and scalability

  Technology for SDN optical networks is emerging and with it comes centralized control and dynamic bandwidth provisioning in the WAN.Continue Reading

• Hyper-V logical networks: The answer to scalability

  When it comes time to scale Microsoft virtual environments, engineers must use Hyper-V logical networks, which enable wider connectivity.Continue Reading

• Hyper-V networking: The three virtual switches that fuel connectivity

  In this Hyper-V networking primer, learn about the three virtual switches behind Microsoft virtualization connectivity.Continue Reading

• Brocade SDN certification: What to know about its product credentials

  Brocade now offers two SDN certification credentials focused on its virtual router product platform. Here's what you need to know.Continue Reading

• Next-stage high-density switch options: What's right for you?

  All major switch vendors have rolled out new high-density, low-latency data center switches. Expert Glen Kemp looks at what makes them special.Continue Reading

• White box switches: Understanding the basics

  White box switches are finally emerging, offering a choice in network OS as well as flexibility. Are they poised to take over your network?Continue Reading

• SDN essentials: Why network orchestration and virtualization?

  The goal of SDN is dynamic networks, so it's crucial to understand the concepts of network orchestration and virtualization -- the keys to flexibility.Continue Reading

• SDN basics: Understanding centralized control and programmability

  Network engineers who want to learn about SDN basics must begin with the concepts of centralized control and network programmability.Continue Reading

• How SDN and NFV simplify network service chain provisioning

  SDN and NFV simplify service chain provisioning, making it easier and cheaper to spin up applications in enterprise and service provider networks.Continue Reading