Tips

Tips

• Four misconceptions regarding the benefits of SD-WAN

  It's all too easy to get sucked into the buzz and misconceptions around software-defined WAN technology. Here are four points to be aware of about the touted benefits of SD-WAN.  Continue Reading

• Business IoT applications benefit from SD-WAN prioritization

  Business IoT applications require prioritized traffic flows and low-cost connectivity. SD-WAN lets IT teams assign policies to prioritize traffic and use cheaper connectivity links.  Continue Reading

• Is NaaS the answer to bolster network infrastructure security strategy?

  Network security as a service can be a beneficial part of a network infrastructure security strategy, but you have to ask the right questions.  Continue Reading

• Address network scalability requirements when selecting SD-WAN

  Selecting an SD-WAN option that suits business needs can be daunting, but diving into network scalability requirements, like bandwidth needs and the number of sites, is a good start.  Continue Reading

• Options for dedicated cloud interconnects and their benefits

  There are clear benefits to replacing existing VPN tunnels now. Discover the advantages to dedicating cloud interconnects to improve your enterprise traffic flows.  Continue Reading

• Three goals of multiple cloud management and how to reach them

  Attaining the benefits of the cloud is getting ever more complex. Learn ways to enable efficient and effective management of hybrid and multi-cloud environments.  Continue Reading

• Carrier cloud needs 5G wireless networks, other drivers for success

  While 5G wireless networks appear to be the biggest driver in building the necessary carrier cloud, two other short-term drivers can help complete the carrier network transformation.  Continue Reading

• Clarifying network disaggregation and related technologies

  Trying to explain network disaggregation and related trends -- like SDN, NFV and white boxes -- can be complicated. Our expert pins the terms down and explains the tradeoffs.  Continue Reading

• Network edge switch upgrades hinge on WLAN deployments

  Network edge switch upgrades depend on a variety of factors, but one of the most critical is taking a look at your future WLAN deployment strategies.  Continue Reading

• A refresher course on white box networking equipment

  This white box networking review sheds some light on the variations, as it's all too easy to confuse the intricacies of white boxes, universal CPEs and brite boxes.  Continue Reading

• Optical interconnect DCI frameworks need more flexibility to keep pace

  An optical interconnect framework can support high-speed DCI deployments. But it's important that optical networks become programmable to ensure reliability.  Continue Reading

• ADC, the networking management tool, acquires new abilities

  Networking pros should take a new look at what application delivery controllers now offer. ADCs now have some cutting-edge features making the networking workhorse exciting.  Continue Reading

• New, micro-ADC features can aid enterprise security

  The ADC is no hot, new networking tool, but it's evolved dramatically, adding some features in its latest iterations that promise to increase its already important role.  Continue Reading

• Private CDN services fill specific needs for some businesses

  In addition to shared CDN service options, private CDNs with dedicated edge servers are the obvious answer for businesses with specific content delivery needs.  Continue Reading

• Helping enterprises adapt to open source switching

  Enterprise adoption of open source switching hasn't kept pace with cloud providers and telcos. What are some of the barriers blocking the use of disaggregation?  Continue Reading

• What is ONAP, and how does it tie into NFV architecture?

  Network expert Lee Doyle looks at ONAP, its role in NFV architecture and its progress in becoming the standard platform for NFV management and orchestration.  Continue Reading

• Network infrastructure design for network-as-a-service

  When it comes to network as a service, network infrastructure design depends on if you want services delivered across the LAN, WAN or data center. Find out what you need to know.  Continue Reading

• The importance of staying up to date with Wi-Fi training

  Wireless networking is changing at breakneck speeds, but Wi-Fi training isn't keeping up. Find out why firms must pay more attention to ensuring engineers are properly trained.  Continue Reading

• Software drives the promise of the interoperable network

  Interoperability in networks is essential now, a reality that vendors increasingly acknowledge. Learn how the networking industry is changing to accommodate the need for openness.  Continue Reading

• Software-driven network access ups enterprise agility

  Network access to service provider systems is becoming software-based. Learn more about how software-defined access works and the flexibility inherent in software.  Continue Reading

• The role of SDN in 5G technology and the WAN: Can it scale?

  Network operators have a narrow window to figure out if SDN in 5G technology can scale well enough to move it beyond the data center and into the WAN.  Continue Reading

• How data center interconnect technologies shape WAN performance

  Latency, congestion and sluggish TCP stacks can plague application performance, but understanding data center interconnect technologies is key.  Continue Reading

• SD-WAN benefits the changing network connectivity landscape

  In the latest networking advance, SD-WAN benefits the evolving network connectivity landscape by allowing customers to use less expensive internet links and keep MPLS for important traffic.  Continue Reading

• Network-as-a-service market blossoms as demands grow

  The network-as-a-service market is attracting more attention, as enterprises look for ways to outsource some of their infrastructure needs to providers.  Continue Reading

• How to bridge the network engineering skills gap

  Training for new network engineering skills should emphasize basic concepts behind building a network, whether it's software-defined, intent-based or disaggregated.  Continue Reading

• Improvements and features of the new POE standard, IEEE 802.3bt

  The new IEEE 802.3bt standard focuses on Power over Ethernet to improve efficiency and support the proliferation of edge devices, from lighting systems to point-of-sale.  Continue Reading

• Examine CORD architecture's benefits and challenges

  CORD architecture offers service providers a compelling way to combine open hardware and software in the central office, boost service delivery and enable NFV capabilities.  Continue Reading

• Network data analysis driving business intelligence

  According to a study from Enterprise Management Associates, network data analysis tools are now being used by enterprises to deliver valuable information to business units.  Continue Reading

• 5G service lifecycle automation may be key to business cases

  Network operators need a 5G service lifecycle automation roadmap that leads to revenue-producing business cases to make the evolution to 5G worth the investment.  Continue Reading

• The future of SDN in 2018 moves toward increased automation

  Future SDN trends could show variations of the technology becoming more prominent among enterprises, as organizations look increasingly toward programmability and automation.  Continue Reading

• The benefits of machine learning in network management

  Enterprises and vendors alike are now undertaking machine learning deployment strategies. What are the benefits of machine learning in networking related to analysis and management tools?  Continue Reading

• How to plan for network disaggregation with APIs

  Network disaggregation is a lot of work for engineers, and it's fraught with potential hurdles posed by sourcing hardware, a control plane, network operating system and how you manage necessary APIs.  Continue Reading

• Network subscription packages gain steam among enterprises

  Networking suppliers are increasingly offering network subscription packages, as enterprises have become more familiar with paying for services with monthly subscriptions.  Continue Reading

• SD-WAN vs. MPLS: The quality-of-service comparison

  Quality of service is often top of mind for IT leaders when debating SD-WAN vs. MPLS -- especially when it comes to using internet links for SD-WAN connectivity.  Continue Reading

• DNS functions remain vital, but must adapt as demands shift

  The domain name system's tasks are simple, but essential, and the service faces challenges with the proliferation of devices that operate within IPv6 networks.  Continue Reading

• How IPv6 networks create DNS configuration problems

  DNS data is among the most basic and crucial information required for network connectivity, but configuring DNS recursive servers in IPv6-only networks can pose challenges.  Continue Reading

• OK of 400 Gigabit Ethernet adds horsepower to data centers

  Final approval of the 400 Gigabit Ethernet standard will provide data centers and cloud providers with the extra capacity they need to meet ever-rising data demands.  Continue Reading

• Three-step network strategy sells big changes as more doable

  A three-pronged network strategy takes an evolutionary approach to selling revolutionary technology changes internally, with a bigger chance of success.  Continue Reading

• Existing branch routers could be replaced as SD-WAN matures

  Enterprises are moving away from traditional branch routers, as SD-WAN capabilities mature and offer consolidated network functionality on a single device.  Continue Reading

• How networking can prepare for 5G mobile technology

  An 'average Joe' engineer discusses the impact 5G mobile technology may bring to his operation as developments around the standard heat up.  Continue Reading

• How to make machine learning systems work in the network

  Machine learning systems in networks are gaining acceptance, but our expert cautions that humans and APIs are still needed to keep complexity at bay.  Continue Reading

• Software-defined branch networks: Why and how to do them

  Software networking virtualization has reached branch networks. Learn the whys and hows of creating the software-defined branch using the latest software networking technologies.  Continue Reading

• How your SD-WAN appliance can consolidate the branch stack

  The latest SD-WAN appliance technology promises expanded and accelerated consolidation of branch stacks. Learn how it works and how to make it work for you.  Continue Reading

• Fog computing architecture posing challenges for IT

  Fog computing architecture designs are gaining traction, as users demand accessibility to apps and services. But the approach can cause challenges for IT.  Continue Reading

• 5G wireless technology influences telecommunication's future

  The capabilities of 5G wireless technology and event-driven networking hold the promise for telecommunication's future, but solving the remaining challenges will determine the outcome.  Continue Reading

• Take network configuration management tools to the next level

  Script management systems and intent-based networking are driving the future of network configuration management tools, shifting the paradigm of how networking systems are managed.  Continue Reading

• NFV disaggregates firewall appliance to increase scalability

  A traditional firewall appliance can incorporate many services, but NFV can virtualize firewalls to offer individual services that scale for application requirements.  Continue Reading

• Looking ahead to the biggest 2018 tech trends in networking

  The year ahead will force IT professionals to break out of their comfort zones and embrace 2018 tech trends that are reshaping the enterprise networking field.  Continue Reading

• Four telecom infrastructure trends driving network of the future

  Four telecom infrastructure trends -- SDN, NFV, IoT and 5G -- are driving the network of the future, but telecom networks are more likely to transform in 2020, not 2018.  Continue Reading

• Automated networks mean clearing some key hurdles first

  Obstacles facing IT adoption of automation in the network including training and trust. Now's the time to clear these hurdles and reap the benefits of an automated future.  Continue Reading

• Hyper-convergence gives new choice in network system management

  Hyper-convergence is driving network evolution, but engineers need to consider the flexibility of network system management software and performance to ensure best results.  Continue Reading

• Need help making Wi-Fi secure? Consider some 'classic' approaches

  Keeping your Wi-Fi secure is a challenge, to say the least. Security hasn't kept up with Wi-Fi advances, but there are steps you can take to keep your Wi-Fi network protected.  Continue Reading

• Network validation a first step to intent-based architecture

  Network validation is an important first step for enterprises evaluating intent-based networking. Unless you know how things really work, you won't succeed.  Continue Reading

• Carrier cloud could create bigger roles in future for SDN and NFV

  Increasing carrier cloud deployment could be the key that drives SDN and NFV technologies forward in the future of virtual networking -- not the other way around.  Continue Reading

• Comparison of popular technical SD-WAN service models

  Two main SD-WAN service model options exist for users to choose from, but more could be on the way due to regulatory and industry development efforts. Find out what works for you in this comparison.  Continue Reading

• How to use traceroute to troubleshoot network problems

  Traceroute is a tool that can provide more insight than you might think. Learn how to use traceroute to troubleshoot network issues.  Continue Reading

• Visions of software-defined branch begin to take hold

  Software-based technologies can apply to the vision of a software-defined branch that converges network elements and centralizes management. But getting there will take time.  Continue Reading

• The story of SDN: Control planes, OpenFlow protocol and disaggregation

  When discussing SDN, control planes and programmability are often lumped into the conversation -- along with a dose of OpenFlow protocol and disaggregation.  Continue Reading

• Open source network tools compete with shrinking vendor equipment

  Vendor equipment consolidation could limit network operator service automation efforts, but new open source network tools offer options and prevent lock-in.  Continue Reading

• New options for managed network service providers benefit enterprises

  SDN, NFV and SD-WAN are creating a new set of software-based offerings that managed network service providers can roll out to enterprises faster and at lower cost.  Continue Reading

• How to move to a network hybrid cloud architecture

  Learn how to avoid network hybrid cloud architecture problems before a migration, and why uniformity and consistent performance are essential for success.  Continue Reading

• Telecom vendors feel the pressure of operator transformation plans

  Changes in network operators' buying trends have rocked the status quo for telecom vendors, with pricing pressure, software and chants of 'no more lock-in' driving it home.  Continue Reading

• Open source network software matures, but needs incentives for use

  Open source network software is maturing, but the networking industry needs to create compelling economic incentives for large suppliers and buyers to contribute, as well.  Continue Reading

• Why SDN, DevOps don't share automated network missions

  SDN and DevOps may both have a role in automated network device management, but compared to SDN, DevOps has a completely different mission, our expert explains.  Continue Reading

• Layer 3 switches explained

  Layer 3 switches are important in enterprise networks -- particularly in designs with many subnets and virtual LANs. What is a Layer 3 switch, what can it do for you, and how does it differ from a regular switch or router?  Continue Reading

• Managing apps essential in realizing their business value

  Apps have taken center stage, but in order to exploit their value, enterprises have to find a way of managing apps that works best for them.  Continue Reading

• Status report 2017: NFV deployments grow; standards issues remain

  Large service providers are continuing their NFV deployments, which will enable 5G wireless and IoT. But management, orchestration and standards questions remain.  Continue Reading

• How types of noise in data communication systems affect the network

  Learn about the different types of noise in data communication -- including thermal, intermodulation, cross-talk, impulse and shot noise -- and how they can affect your network.  Continue Reading

• Software networking supports wide range of deployment use cases

  Software networking includes elements of SDN, NFV and network virtualization, which have taken the industry by storm; it also supports advances like 5G wireless and hybrid cloud.  Continue Reading

• Cloud security tips to consider when mulling external data centers

  The old security rules don't apply when moving workloads to the cloud. These cloud security tips will help you make the right decision.  Continue Reading

• New telecom transformation goals require service automation

  Restarting a telecom transformation means putting business goals first and technology choices second, and making the service process more efficient through automation.  Continue Reading

• API growth forcing vendors to take notice or risk losing out

  The API is fast becoming a must-have in modern networking. But API growth is forcing vendors to rethink how they want their devices to be configured and managed.  Continue Reading

• Mobile edge computing promises wide variety of uses

  Mobile edge computing can bring applications and data closer to the end user, resulting in lower latency and better data analytics for network virtualization and IoT.  Continue Reading

• Network engineering tools changing as cloud shift pressures profession

  As more companies examine the cloud, network engineering tools are changing, requiring engineers to rethink and recraft their job descriptions.  Continue Reading

• Four top products leading the way in multicloud management

  In this multicloud review, see the top multicloud management products. How do they approach different cloud environments, and what separates them from each other?  Continue Reading

• Three advances making NFV deployments better for the business

  NFV deployments made progress this year, thanks to three significant developments, but will they be enough to make NFV's business case more compelling among other industry changes?  Continue Reading

• Intent-driven networking reshaping network service delivery

  When configuring a network, engineers often focus on individual tasks to enable network service delivery. Intent-driven networking transfers the focus to the overall network.  Continue Reading

• WAN access options multiply when buying network services

  A new menu of WAN access options means companies have a wide variety of means to reach cloud and network services. But more choice also means more potential pitfalls.  Continue Reading

• The white box switching market gets a closer look

  Following years of development, is the potential of the white box switching market finally being realized?  Continue Reading

• IP subnetting: How to calculate subnet masks

  Check out IP subnetting shortcuts on how to do subnet mask calculations and break down IP address classes to route traffic within your network.  Continue Reading

• Comparing cable types: Fiber vs. copper twisted pair

  What's the difference in fiber vs. copper cables? Key differences include cost, speed and more when it comes to fiber optic and copper twisted-pair cabling options.  Continue Reading

• WAN-cloud eXchange extends the private WAN to the cloud

  Enterprises can reap cloud benefits while relieving concerns about security and reliability with a WAN-cloud eXchange, or WAN-CX.  Continue Reading

• When will SD-WANs 'cross the chasm'?

  It can be difficult to separate hype from reality, especially when it comes to SDN technology. Here, analyst Jim Metzler explores when software-defined WANs might go mainstream.  Continue Reading

• Business is 'destroying' the application delivery process

  Business has changed, and so must the application delivery process. It's time for IT to go from being provider of services to a broker between clouds and end users. Here's how.  Continue Reading

• Discover three ways to get your WAN software defined

  There are three ways to get your WAN software defined: overlay, replace and as a service. Learn what these entail and how they can reduce costs and improve WAN performance.  Continue Reading

• How to troubleshoot iPhone and iPad connection problems

  As iPhone and iPad Wi-Fi clients proliferate in the enterprise, IT must troubleshoot Wi-Fi connection problems. Here's how to solve basic iPhone and iPad connection problems.  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

• Predictions for SDN development in 2016

  This promises to be an exciting year for software-defined networking enthusiasts, with SDN development poised for explosive growth. Analyst John Burke shares his predictions.  Continue Reading

• Common network errors and their causes

  Network not behaving? Learn how to identify the most common network errors -- like discards and collisions -- and how to implement solutions to get your network humming again.  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 troubleshoot Android Wi-Fi connection problems

  Android smartphone and tablet users now abound in the enterprise, making Android Wi-Fi connection troubleshooting a key element of enterprise wireless network connection management.  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

• Time to get your cloud network architecture ready

  Enterprises need to ensure their cloud network architecture is ready for the future. Here are some concepts network managers should think about.  Continue Reading

• Is a hybrid WAN architecture right for you?

  Hybrid WANs have a lot of benefits, but make sure you understand how they can work in your organization.  Continue Reading

• Do managed software-defined WAN services make sense?

  By offering managed software-defined WAN services -- and potentially hastening MPLS' demise -- are providers sabotaging themselves? Our expert says no.  Continue Reading

• OPM hack two months later: What was learned?

  Network security expert Michele Chubirka shares her thoughts about June's OPM hack and what steps IT should take to fend off future attacks.  Continue Reading

• Three ways to measure wireless network performance

  Trying to find ways to assess your wireless network performance? Here are some tools that can help.  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

• Network timing: Everything you need to know about NTP

  As more applications use IP networks, reliable distribution of authoritative timing information is becoming critical.  Continue Reading

• GENEVE primer: The answer to network virtualization interoperability?

  The GENEVE network encapsulation protocol is more flexible than VXLAN and NVGRE. Will it bring interoperability to network virtualization overlays?  Continue Reading