Tips

Tips

• A strong SD-WAN business case starts with evaluating your current WAN

  The first step in creating a strong SD-WAN business case is evaluating your organization's current WAN infrastructure. Then, you can compare the potential savings and benefits.  Continue Reading

• Managed third-party network and infrastructure offer business appeal

  For business and technology reasons, third-party network and infrastructure management services are set for huge growth due to the need for scale and changing IT staff needs.  Continue Reading

• Active path testing a compelling network performance monitoring tool

  You don't have to be Facebook to use its NetNORAD active path testing network performance monitoring tool. Here's what you need to know.  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

• Application performance tools lasso behavior in distributed computing

  Distributed computing has changed the face of networking; application performance tools help IT make sense of performance problems when issues crop up.  Continue Reading

• Addressing SDN security challenges means securing the controller

  SDN security challenges become more of a concern, as deployments bring vulnerabilities to the forefront. But vendors and researchers are creating SDN products with security in mind.  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

• Using NFV and SDN for detailed network microsegmentation

  Detailed network microsegmentation using SDN and NFV gives service providers opportunities to create and provide more flexible and effective security services to their customers.  Continue Reading

• How to calculate network bandwidth requirements

  Figuring out how to calculate bandwidth requirements is vital to ensuring your network runs smoothly, and it's best to get the formula correct from the beginning.  Continue Reading

• Using unified security management to reduce sprawl of security tools

  In an era of security app sprawl, a unified security management framework could be the best way to corral security tools and ensure network integrity.  Continue Reading

• Data center SDN transition can help with DCI, SD-WAN and 5G

  Most SDN connections run less than 100 feet within one data center. The mission now is to move data center SDN into broader network uses, like DCI, SD-WAN, 5G wireless and CDNs.  Continue Reading

• NBASE-T Ethernet gives LANs a needed performance boost

  NBASE-T Ethernet provides for LAN transmission speeds of up to 5 Gbps over most existing copper cable, redefining networks.  Continue Reading

• White box switching, SDN and NFV prompt carrier networking gear revolution

  For service providers considering a networking gear upgrade, white box switching plus SDN in the data center and NFV in the core offer scalability, lower cost and better margins.  Continue Reading

• SD-WAN providers enable high-speed access to cloud-based apps

  With users increasingly moving to SaaS and cloud-based apps, some SD-WAN providers have partnered with cloud providers to allow customers easier access to those apps.  Continue Reading

• Using DevOps for networking testing gains traction

  Using DevOps for networking means using the tools IT teams employ for testing and applying those principles to networking.  Continue Reading

• Plan for a SDN implementation in four steps

  If your organization is thinking about a future SDN implementation, the time to begin planning is now. Follow these four steps to launch the process.  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

• Change management automation alters the face of network configuration

  The market for change management automation software is increasing, as networks become more complex and virtual.  Continue Reading

• Automated service lifecycle management needed for SDN success

  To seriously jump-start SDN, automated service lifecycle management is needed for operations efficiency and service agility for legacy and SDN networks.  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

• Embrace experimental next-gen network services to increase revenue

  As network connections revenue declines, next-gen network services that deliver a user experience can transform the business. Note to operators: Missing this opportunity is not optional.  Continue Reading

• The good, bad and the ugly of software-defined networking security

  Software-defined networking security has both good and bad potential. It can benefit route connectivity, but it also presents risk linked to improper SDN controller implementation.  Continue Reading

• How to leverage UDP port scanning as a security scanning tool

  UDP port scanning isn't as robust as TCP port scanning, but there are steps you can take to include the technique as a security scanning tool.  Continue Reading

• Network trends include new hardware role in a virtual era

  Network trends that enterprise IT pros must consider include rethinking the role of hardware in today's virtualized, software-defined services architecture.  Continue Reading

• The unified network management system is revived in move to cloud

  The single pane of glass, unified network management system is often thought to be a myth. But in the age of cloud computing, a viable framework is beginning to emerge.  Continue Reading

• Four steps to prepare for an SD-WAN deployment

  SD-WAN touts promising benefits. But if you're considering SD-WAN deployment, take time to prioritize remote sites, and crunch the numbers to make sure it's right for your company.  Continue Reading

• Telecom operators navigate three technology transformation options

  To reduce cost or increase revenue, operators have three telecom technology transformation options to increase service automation, using different amounts of new technologies.  Continue Reading

• Net neutrality explained: The idea is simple, but appearances deceive

  Net neutrality explained: The concept is back in play. And although its goals seem simple, reality is more complicated.  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

• Easier data center SDN deployments would enable private clouds

  Until building private cloud operations with data center SDN and a cloud manager gets simpler, most enterprises will stick with a virtualized data center and public cloud combo.  Continue Reading

• When you should consider leaf-spine network architecture

  One solution to the dilemma of dramatic shifts in data flows is for data centers to adopt a leaf-spine network architecture.  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

• Exposing network APIs to enterprises opens new provider SDN options

  Service providers can increase network automation using SDN and NFV next-generation infrastructure for enterprise service options by exposing secure network APIs.  Continue Reading

• Why OSPF isn't your best option when using DMVPN Phase 3

  Cisco's DMVPN Phase 3 protocol offers many benefits, but make sure you evaluate options before using Open Shortest Path First.  Continue Reading

• Virtual wire network transport mission could increase SDN usage

  SDN's use as virtual wire to provide network transport could get the technology out of the data center to underlay SD-WAN better than Ethernet or IP and benefit optical networks.  Continue Reading

• Moving data center strategies: What to consider in an SDDC transition

  Accommodating your legacy equipment when shifting to an SDDC takes a lot of time and careful study. What are some strategies to keep in mind when moving data centers?  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

• The best path to a hybrid cloud network architecture

  There are a variety of paths that lead to a hybrid cloud network architecture. Learn whether SD-WAN, WAN cloud exchange or some other option is best for your enterprise network.  Continue Reading

• SDN can help unify wired and wireless campus networks

  Campus networks can be difficult to manage, especially with the continuing need to unify Wi-Fi and Ethernet networks. But SDN's centralized approach can improve security and QoS.  Continue Reading

• Two factors affecting the deployment pace of SDN and NFV technologies

  Service providers deploy SDN and NFV technologies at different paces for two main reasons: issues with the organization's business case and slow-going standards progress.  Continue Reading

• Advanced network monitoring aids SDN deployments

  IT professionals can reach their advanced network monitoring goals with the aid of SDN deployments.  Continue Reading

• SDN poised to play major role in 5G networks

  Fifth-generation, or 5G, networks promise increased wireless capacity and speed with reduced latency. SDN architecture can help improve performance and scalability.  Continue Reading

• Carriers meet need for scalable, secure cloud network services

  As hyperscale providers like AWS dominate the cloud, carriers find their role in secure cloud network services for organizations in need of cloud connections.  Continue Reading

• MPLS routing undergoes change, as SD-WAN gains traction

  Enterprises are seeing cost-efficiencies as they transition their wide area networks to SD-WAN. What does this mean to MPLS routing?  Continue Reading

• Delivering private and public cloud applications securely

  'It's all about the apps' is today's mantra, and managing private and public cloud app delivery must be a top concern in order to safeguard enterprise security in the mobile age.  Continue Reading

• Gigabit Ethernet speeds: What's the impact of 2.5 and 5 GbE?

  Gigabit Ethernet speeds mean enterprises can boost wireless performance without actually replacing wiring. But there are still some considerations sys admins must make  Continue Reading

• Using BLE beacons and Wi-Fi technology for device tracking

  BLE beacons and Wi-Fi technology promise enormous potential for accuracy in location and tracking of wireless devices. But is one option better than the other?  Continue Reading

• Advanced machine learning lends a helping hand to network security

  Advanced machine learning can help distinguish between false alarms and real network threats, creating valuable time for IT employees. But the technology still faces challenges.  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

• Tips to understand different TCP port-scanning techniques

  TCP port scanning detects vulnerabilities within networks, and knowing the different scans available can help network professionals choose the option best suited for their needs.  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

• Unstructured data analysis is critical, but difficult

  Sometimes, it's hard to know if your data is just garbage out, unless you have the right big data implementation analysis and preparation tools.  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

• Gadget security requires renewed embrace of policies, authentication

  Network administrators must increasingly contend with the challenges fueled by gadget security within their operations.  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

• How to assess the benefits of SDN in your network

  Find out what three networking problems the benefits of SDN could address in your network and the questions you should ask to make sure you're on the right track.  Continue Reading

• Multicloud environment poses management challenges

  The growth of the multicloud environment among enterprises is fueling the need for management tools that reduce complexity and redundancy.  Continue Reading

• 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

• IT technical skills need to adapt as IT architecture shifts

  As IT architecture shifts and cloud computing grows, some IT departments may have outdated IT technical skills. How can IT departments close the skills gap?  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

• Next-gen 5G wireless technology means capacity is key

  New wireless generations roll out almost every decade. What does the upcoming 5G wireless technology have to offer, and how is it different from previous generations?  Continue Reading

• Pervasive security is needed to protect modern networks

  Pervasive security in place of layered security is needed to secure and defend modern networks from diverse cyber threats.  Continue Reading

• Three technologies to increase the benefits of SDN and NFV

  Service modeling and orchestration, SD-WAN and open source are the three technologies gaining traction to increase the value and benefits of SDN and NFV.  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

• In virtualized networking, availability tracking is key

  With virtualized networking now on the scene, tracking availability is more complex than ever. Learn about the latest technology and techniques for keeping the network manageable.  Continue Reading

• With new NFV infrastructure comes new NFV security

  Service providers are rapidly adopting NFV infrastructure, but addressing NFV security in the process is essential, with network and security teams working together.  Continue Reading

• 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

• Understanding SDN components and where they're going

  What is SDN, and how does it differ from NFV? In part two of this series, IT expert Andrew Froehlich explains SDN technologies and where we can expect to see them in the future.  Continue Reading

• Adoption of cloud computing means updating networks

  The widespread adoption of cloud computing means enterprises have to carefully balance how they upgrade their network infrastructure.  Continue Reading

• Four steps to make SDN and NFV proof-of-concept trials meaningful

  The results of SDN and NFV proof-of-concept trials can advance network deployments, but they often fall short. Check out four steps that can make POC trials more meaningful.  Continue Reading

• On-premises services and cloud compete at network edges

  As organizations are pushed to move services from on premises to the cloud, the focus shifts to network edges.  Continue Reading

• BGP routing joining OpenFlow in software-defined networks

  Border Gateway Protocol is an internet essential, and BGP routing may be taking on a bigger role in software-defined networking, displacing OpenFlow to manage SDN packet flow.  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

• Laying the foundation for a virtualized network infrastructure

  SDN, NFV and VNF: Don't get bogged down with these hot-topic terms. In part one of this series, IT expert Andrew Froehlich discusses how and whether you should implement virtualized functions in your enterprise.  Continue Reading

• How to estimate the ROI of a SD-WAN implementation

  Going forward on a SD-WAN implementation is a big step for enterprises, but determining the return on investment can be a deciding factor in whether to crop more expensive MPLS lines.  Continue Reading

• Exploring the ins and outs of enterprise hardware pricing

  Cloud computing has changed how businesses buy technology. How does the age of SaaS affect enterprise hardware pricing?  Continue Reading

• What to know about choosing a vCPE platform

  Service providers are opting for virtual CPE and its resulting benefits, but choosing the right vCPE platform is essential to get the most out of it.  Continue Reading

• Why network operations efficiency should drive technology change

  If the systems responsible for network operations efficiency and automation were driving telecom technology upgrades, the savings might just pay for SDN and NFV deployments.  Continue Reading

• Are you getting what you're paying for with your WAN SLA performance?

  An Enterprise Management Associates study examining WAN SLA performance found that companies need to be more proactive in how they keep tabs on their service providers.  Continue Reading

• How segment routing could be a boon to SDN

  Segment routing could prove to be a compelling alternative to OpenFlow, but more work needs to be done before it becomes a mainstream technology.  Continue Reading

• The benefits of the 802.11ad standard shouldn't be overlooked

  The other WLAN standard, 802.11ad, will bring even more flexibility and opportunities to enterprises, but the specification also comes with some challenges.  Continue Reading

• 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

• 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

• Denial-of-service defense depends on multipronged strategy

  Ransomware and data breaches may be getting all the headlines, but denial-of-service attacks are on the rise. What can you do to mitigate their effect?  Continue Reading

• Cisco's Tetration adds visibility for monitoring data centers

  Cisco analytics engine takes monitoring data centers to new levels by capturing network traffic and employing big data techniques to diagnose problems.  Continue Reading

• White box switches and hyper-convergence aid data center networks now

  White box switches and hyper-convergence are two upgrades that can breathe new life into your data center network. Learn what they are and how to make them work for you.  Continue Reading

• How to choose the right next-gen network migration option

  Network operators planning next-generation network migrations need to choose from layered, geographic and service-oriented approaches, or a combo platter that meets their needs.  Continue Reading

• DevOps and automation in the software-defined network

  Software-defined networking allows today's networks to keep pace with DevOps and automation demands, making rapid and reliable software delivery possible.  Continue Reading

• Secure cloud network services drive enterprise cloud migrations

  Ensuring secure cloud network connections is paramount to easing business concerns about moving workloads to the cloud, and a growing number of cloud networking options can help.  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

• As technology changes, networking skills need to keep up

  Evolving technology demands that networking professionals stay up to speed on the latest advancements, especially those centered around software-based services.  Continue Reading

• Network fault management in today's complex data centers

  Network designs and technologies may change, but identifying -- and remediating -- faults is a fundamental task for today's system managers. Here's what you need to know.  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

• Data center convergence enabled by SDN, SD storage

  As applications drive the need for massive storage capacity, data center convergence will be aided by software-defined storage and networking to enable private cloud architecture.  Continue Reading

• Network designs for dynamic route pacing

  The new generation of network devices means network designs based on dynamic routing. But there are pitfalls to keep in mind.  Continue Reading

• Visibility key to loving your WAN carrier

  Taking a few simple steps can help strengthen the relationship between your WAN carrier and IT management.  Continue Reading