Networking
Top Stories
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Tip
08 Sep 2026
API-first networking considerations for IT leaders
API-first network infrastructure offers benefits and flexibility, but enterprises must plan their deployments carefully to ensure their networks aren't exposed to new threats. Continue Reading
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Tip
08 Sep 2026
How InfiniBand vs. RoCE compare for AI networking
InfiniBand and RoCE both offer distinct advantages to companies determining the best way to support their AI training strategies. But the cheaper option might not be the best one. Continue Reading
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News
13 Sep 2018
AT&T Spark highlights big changes in networking market
The AT&T Spark event showed more than the service provider's latest 5G technology. It also revealed how AT&T is redefining the role of networking vendors in its data centers. Continue Reading
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Answer
13 Sep 2018
What metrics and tools can accurately measure network performance?
Several methods and metrics measure network performance and throughput. But IT needs to gauge these measurements on a consistent basis to avoid major service issues. Continue Reading
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Answer
13 Sep 2018
What is multi-access edge computing, and how has it evolved?
Multi-access edge computing provides the processing capacity needed to support the increase of 'things' at the network edge. But for all its promise, MEC has challenges to face. Continue Reading
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News
12 Sep 2018
Cisco ASR 9000 router gets usage-based pricing
Cisco has changed licensing for the ASR 9000 router to let service providers pay only for the throughput they use. The new pricing arrives as service providers prepare for 5G. Continue Reading
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Opinion
12 Sep 2018
4G LTE or 5G could be your branch office backup internet connection
As of May, Citrix has entered this space, too. Continue Reading
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Opinion
11 Sep 2018
Too many tools hobble network management design
'Measure twice, cut once' doesn't work for network management. It's time for the industry to consider a new way to coordinate network management design tools. Continue Reading
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Feature
10 Sep 2018
Network functions morph with SD-WAN deployment strategy
Companies are approaching network infrastructure upgrades with SD-WAN deployment, but a new survey shows they're weighing issues like service chaining and integrated functionality. Continue Reading
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Tip
10 Sep 2018
What is carrier cloud's role in 5G and IoT transformation?
Carrier cloud deployment is helping network operators respond to opportunities that will drive transformation, like 5G and IoT. The question is, where can carrier cloud help? Continue Reading
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News
07 Sep 2018
Juniper-Ericsson partnership aimed at 5G market
Juniper Networks has partnered with Ericsson to sell 5G gear and software to carriers. The Juniper-Ericsson alliance arrives as Cisco's partnership with Ericsson weakens. Continue Reading
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News
06 Sep 2018
VMware Project Dimension to deliver managed HCI, edge networking
VMware's lightweight hyper-converged infrastructure system, called Project Dimension, includes the vendor's SD-WAN. The HCI appliance is aimed at retailers and manufacturers. Continue Reading
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Opinion
06 Sep 2018
Market for network performance tools enters vendor consolidation phase
Recent acquisitions of network performance monitoring and diagnostic tool vendors signal market consolidation. Continue Reading
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Opinion
06 Sep 2018
What's VMware's goal with its Virtual Cloud Network release?
Attendees saw a noteworthy turnabout at VMworld 2018. With its Virtual Cloud Network announcement, VMware signaled its new vision of cloud, and the network is the center of its strategy. Continue Reading
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Tip
06 Sep 2018
Ensuring P2P apps don't cause network performance issues with IPv6
Peer-to-peer applications can cause performance issues with IPv6 branch-office networks. Universal Plug and Play might be an effective way to overcome access issues. Continue Reading
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Answer
06 Sep 2018
Does software networking fit modern data center requirements?
Software networking can support modern data center requirements, private clouds and accompanying applications. But IT teams need to wade through components and suppliers to get there. Continue Reading
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News
05 Sep 2018
5G services to headline Mobile World Congress Americas 2018
In a roundup of industry insights, 5G services will be a hot topic at Mobile World Congress, VMware embraces multi-cloud and cybersecurity platforms require key features. Continue Reading
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News
31 Aug 2018
NSS Labs-Cisco spat raises licensing restriction enforceability
The NSS Labs-Cisco tiff raises questions on the validity of licensing that prohibits customers from testing software performance and publishing the results. Continue Reading
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Opinion
30 Aug 2018
Nyansa's Voyance uses machine learning to improve Wi-Fi troubleshooting
Wi-Fi woes trip up company business, but a tool that uses machine learning can help. Read this review that covers one company's experience with Nyansa's Voyance tool. Continue Reading
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News
30 Aug 2018
VMware takes NSX security to AWS workloads
VMware has brought NSX microsegmentation to workloads running on Amazon Web Services. Also, at VMworld 2018, VMware said NSX security is now enforceable on Arista switches. Continue Reading
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News
29 Aug 2018
Cisco adds LTE modem to Meraki MX security appliance
Cisco adds a built-in 4G wireless broadband modem to two Meraki MX security appliances. Cisco launched the Meraki MX67C and the MX68CW devices with an integrated CAT 6 LTE cellular modem. The company also introduced four faster MX models without LTE. Continue Reading
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News
29 Aug 2018
Talari SD-WAN targets mobile with Meta Networks integration
Talari combined its SD-WAN service with Meta Networks' NaaS platform, and California Telecom chose Versa Networks for managed SD-WAN. Continue Reading
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News
28 Aug 2018
Cambium Networks certified in Express Wi-Fi by Facebook program
In networking news, Cambium gets certified in Facebook's Express Wi-Fi program, Nyansa frees up network data worldwide and SevOne will support VMware NSX SD-WAN. Continue Reading
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Buyer's Guide
28 Aug 2018
Consider SD-WAN products to help simplify network management
Learn how to determine your organization's need for SD-WAN technology and how to evaluate offerings from the top SD-WAN providers in the market to find the right fit. Continue Reading
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News
23 Aug 2018
Cisco refused to participate in NSS Labs report on SD-WAN
Cisco wouldn't activate NSS Labs' Viptela license after the testing firm paid between $30,000 and $40,000 for the technology for a comparative NSS Labs report on SD-WAN products. Continue Reading
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News
22 Aug 2018
Arista CloudVision gets multi-cloud, NSX security features
Arista CloudVision will soon be able to distribute security policies across Amazon, Google and Microsoft public clouds. Other upcoming features include VMware NSX integration. Continue Reading
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Tip
22 Aug 2018
How has software-defined networking security evolved?
Software-defined networking security means more than just microsegmentation. Enterprises can also use SDN to assign security zones, improve monitoring and help with automation. Continue Reading
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Tip
22 Aug 2018
Find network security vulnerabilities by assessing risk
IT staff needs to regularly review network security vulnerabilities and security gaps to battle rising cybersecurity breaches and keep costs under control through risk assessments. Continue Reading
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Answer
21 Aug 2018
How do I troubleshoot network performance with traffic monitoring?
When undertaking network performance troubleshooting, organizations can benefit from a mix of passive and active network traffic monitoring to identify issues. Continue Reading
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Tip
20 Aug 2018
Wireless-first networks verge on wireless-only, but concerns remain
A wireless-first strategy could spread among enterprises and proceed toward wireless-only. IT staff, however, should heed concerns around capacity, management and cost. Continue Reading
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Tip
17 Aug 2018
How network operators can differentiate SD-WAN services
Providers' SD-WAN services currently compete largely on cost, but network operators hope to gain market share with network-based SD-WAN feature differentiation. Continue Reading
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Tip
17 Aug 2018
What IPv6 features can be found in the latest specification?
The IPv6 specification is now becoming a full-fledged internet standard. New IPv6 features focus on enterprise reliability and operational and security considerations. Continue Reading
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Opinion
16 Aug 2018
How Cisco's Viptela buy affects branch routers, IT customers
Zeus Kerravala says Cisco's ISR isn't going anywhere and discusses what its use of Viptela's software-defined WAN means for the IT giant's future, its product line and its customers. Continue Reading
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News
16 Aug 2018
Cisco revenues up, customers warming to new products
Cisco revenues in the last quarter rose 6% as businesses took advantage of a strong economy to refresh networks and deploy new products. Continue Reading
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News
15 Aug 2018
New Dell EMC 100 GbE switch tailored for east-west traffic
The latest Dell EMC 100 GbE switch is an open system aimed at service providers and large enterprises. The Z9264F is a 2RU system, with 64 100 GbE ports. Pricing starts at $45,000. Continue Reading
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Tip
14 Aug 2018
Active-active data centers key to high-availability application resilience
Enterprises dependent upon a high-availability application should investigate active-active data center designs to ensure reliability and resiliency. Continue Reading
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News
14 Aug 2018
Array bolsters throughput, security in NFV appliance
Array Networks has added support for 40 GbE interfaces in its NFV appliance. The AVX hardware also has higher throughput for encrypted traffic. Continue Reading
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Answer
13 Aug 2018
What key network performance issues spark service disruptions?
From cabling to capacity issues, IT professionals need to consider all possibilities when rooting out the underlying cause of network performance problems. Continue Reading
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Answer
13 Aug 2018
Which SD-WAN security concerns should I tackle first?
IT teams thinking about software-defined WAN technology should assess a few SD-WAN security concerns before deployment to make sure it's worth the investment. Continue Reading
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News
10 Aug 2018
Mist Systems gives VMware NSX SD-WAN a boost
Arista Networks and VMware are focusing on Wi-Fi to bolster products for the wireless LAN. Wi-Fi vendor Mist is strengthening VMware's NSX SD-WAN and Arista has acquired Mojo. Continue Reading
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Tip
09 Aug 2018
ITSM automation helps advance network automation
IT service management helps close the gap between IT staff and business needs, as artificial intelligence and machine learning work with ITSM automation to usher in network automation. Continue Reading
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Feature
09 Aug 2018
What it takes to be a steward of your SDN career
When it comes to SDN careers and training, the impetus is on vendors, enterprises and individual network professionals to create and pursue training and certification opportunities. Continue Reading
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News
09 Aug 2018
Juniper boosting performance of SRX5000 firewall for IoT, 5G
Juniper Networks has released an acceleration card for its SRX5000 line of firewalls. The SPC3 card readies the product for IoT, 5G and multi-cloud applications. Continue Reading
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Feature
09 Aug 2018
Assess technology and products from top SD-WAN vendors
SD-WAN products and services offer a variety of features and deployment options. Learn how top SD-WAN vendors stack up when it comes to addressing your key considerations. Continue Reading
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Tip
08 Aug 2018
Software networking supports campus network convergence
Software networking, along with intent-based capabilities, can help improve campus network visibility and authentication, while also supporting Ethernet and Wi-Fi convergence. Continue Reading
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News
08 Aug 2018
Cisco Viptela integrated with IOS XE on ISR, ASR
Companies unhappy with iWAN on ISR can switch to Cisco Viptela. The networking company has integrated the Viptela SD-WAN with IOS XE, the ISR network operating system. Continue Reading
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News
08 Aug 2018
Arista, Cisco agree to stop patent suits for five years
The Arista-Cisco agreement includes Arista paying $400 million to end their patent infringement dispute. The companies also agreed to a lawsuit moratorium on existing products. Continue Reading
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Tip
07 Aug 2018
Benefits of wireless networks extend to disaster recovery plans
In a business continuity and disaster recovery plan, IT resilience is key. Find out how the benefits of wireless networks can help keep businesses running. Continue Reading
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Tip
06 Aug 2018
How micro modular data centers simplify complex network routes
The deployment of prefabricated micro modular data centers could ease network traffic to customer premises and multiple clouds by processing data locally at the network edge. Continue Reading
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Tip
06 Aug 2018
Network performance metrics pose data center challenges
Currently, network performance metrics are not fully formed and offer just a generic view of the network. Plus, metrics produce reams of data that are difficult to digest. Continue Reading
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News
03 Aug 2018
Cisco bolsters cloud security with Duo acquisition
Cisco has bought Duo Security to add its two-step authentication services to Cisco's cloud-based security offerings. Cisco plans to close the Duo acquisition by October. Continue Reading
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News
02 Aug 2018
Kontron heeds carrier demand for software, buys Inocybe
Kontron has bought open source networking company Inocybe. The specialty hardware maker is adding SDN software to its portfolio as telco customers buy more commodity systems. Continue Reading
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Tip
02 Aug 2018
How hackers use idle scans in port scan attacks
Hackers exploit port scan attacks to mask their identities before launching an attack. One of their favorites: the idle scan. Continue Reading
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Tip
02 Aug 2018
Origin authentication a small step toward resolving BGP security issues
Although content verification, origin authentication and shared information can address aspects of BGP security, it's unlikely we'll be able to resolve the issues completely. Continue Reading
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Tip
01 Aug 2018
What networking automation tools should you consider?
When launching network automation projects, do you craft custom scripts or buy off-the-shelf networking automation tools? It probably depends on your team's capabilities. Continue Reading
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Opinion
01 Aug 2018
Social concept points to an SDN model with two control planes
It might not seem like control planes and SDN models have a lot in common with a social concept, but together, they could highlight how business intent and operations inform network design. Continue Reading
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News
31 Jul 2018
Juniper multi-cloud strategy aimed at enterprise data centers
The Juniper multi-cloud strategy is aimed at expanding the vendor's reach beyond carriers and the largest enterprises. Key to the game plan is Contrail Enterprise Multicloud. Continue Reading
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Feature
31 Jul 2018
Compare leading on-premises and cloud-managed WLAN products
In order for your organization to select the WLAN architecture that will best meet its needs, you must compare product types, deployment options and capabilities. Continue Reading
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Tip
30 Jul 2018
How to check for high network utilization
Learn why high utilization issues in the network arise, how to detect them, and two ways to grapple with the problem to keep network latency low and application performance high. Continue Reading
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Tip
30 Jul 2018
SR-IOV specification poses promise and pitfalls in virtualized networks
The SR-IOV specification gives network administrators another tool for workload optimization. While SR-IOV could offer many benefits, it does have its drawbacks. Continue Reading
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Feature
30 Jul 2018
What you need to know about managed SD-WAN services
This guide offers easy access to information on five major topics related to managed SD-WAN services and directs you toward the latest advice, tips and recommendations. Continue Reading
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Tip
27 Jul 2018
How to set up network analytics tools for successful monitoring
Learn which analytics tools help monitor the network and what systems and processes you should work out in advance to make them as effective as possible. Continue Reading
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Feature
27 Jul 2018
Will network management functions as a service arrive soon?
Network management as a service isn't widespread, at least not yet. But if past history is any indication, its popularity is bound to grow, once certain hurdles are overcome. Continue Reading
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News
27 Jul 2018
Windstream SD-WAN gets help connecting to the cloud
Windstream has introduced technology for connecting the Windstream SD-WAN to public clouds. SD-WAN Cloud Connect will support AWS and Microsoft Azure starting next month. Continue Reading
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News
26 Jul 2018
Avi load balancer gets tighter with Cisco products
The Avi load balancer is more tightly integrated with Cisco ACI in the latest Avi Vantage Platform upgrade. Vantage 18.1 also sends more data to Cisco AppDynamics and Tetration. Continue Reading
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Tip
25 Jul 2018
Assessing performance bottlenecks in virtualized networking
Virtual or soft switches can add measurable overhead to network-intensive workloads, but implementing PCI devices offers one option to reduce excess overhead. Continue Reading
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Answer
25 Jul 2018
How can network analytics tools benefit IT staff?
Network analytics tools can help IT managers proactively pinpoint network performance issues and trends -- even before the underlying problem is revealed. Continue Reading
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Tip
25 Jul 2018
Midyear 2018 telecom trends: Operators broaden their focus
Midyear 2018 telecom trends show operators looking to increase profits on a number of fronts ranging from new investments, network automation and rethinking the 5G transition. Continue Reading
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Answer
25 Jul 2018
Does software-defined networking architecture need network overlays?
Network overlays and software-defined networking architecture share a history. But while overlays offer flexibility, they also bring extra overhead and troubleshooting complications. Continue Reading
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News
24 Jul 2018
Juniper preps 400 GbE across PTX, MX and QFX hardware
Juniper will ship 400 GbE in PTX, MX and QFX routers and switches over the next 12 months. Cisco and Arista are expected to follow with their 400 GbE products as demand from service providers rises. Continue Reading
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Opinion
23 Jul 2018
New details released on Huawei's intent-based network
ZK Research offers details on Huawei's new Intent-Driven Network and what its hardware and the software can do to smooth network glitches and even raise security. Continue Reading
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Tip
23 Jul 2018
Don't forget SD-WAN during your next network infrastructure upgrade
SD-WAN can be a natural progression for enterprises facing a network infrastructure upgrade. But a refresh with SD-WAN deployment requires more than a 'hope for the best' attitude. Continue Reading
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Feature
23 Jul 2018
Options for DNS in networking address growing challenges
A need for modern DNS in networking has grown out of increased cloud use and distributed applications. Now, vendors are offering these services for internal enterprise use. Continue Reading
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News
20 Jul 2018
Startup Arrcus aims NOS at Cisco, Juniper in the data center
Startup Arrcus has launched a scalable network operating system aimed at all switching tasks in the leaf-spine network. The new ArcOS is a NOS alternative to Cisco and Juniper. Continue Reading
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Opinion
20 Jul 2018
Should IT share data analysis from network management consoles?
By making data analysis available from a network management console, IT groups could offer their lines of business better insights into end-user productivity. Continue Reading
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Opinion
19 Jul 2018
Cato Networks adds 'identity awareness' to SD-WAN as a service
Cato Networks SD-WAN as a service was updated this week with identity-aware routing. The vendor claims identity awareness can simplify network operations and better meet business goals. Continue Reading
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News
19 Jul 2018
Big Switch taps AWS VPCs for hybrid cloud networking
Big Switch plans to roll out software for creating virtual networks in AWS and a private cloud. The hybrid cloud technology takes advantage of AWS VPCs. Continue Reading
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Answer
19 Jul 2018
Can hyper-converged systems benefit from SDN architecture?
Hyper-convergence combined with software-defined networking architecture might seem like hyper-hype, but SDN offers many network capabilities required of hyper-converged systems. Continue Reading
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Tip
18 Jul 2018
Understanding the exploit market: How data breaches happen
When you understand how data breaches happen, applying software patches quickly is crucial to minimize your chances of being on the wrong end of the ever-faster exploit market. Continue Reading
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News
18 Jul 2018
Fortinet transitions from partner to FortiGate SD-WAN vendor
In a change from forging security partnerships with SD-WAN vendors, Fortinet introduced FortiGate SD-WAN, which integrates SD-WAN into its FortiGate next-generation firewall appliance. Continue Reading
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Feature
18 Jul 2018
Leading SD-WAN providers offer varying capabilities
By examining how leading SD-WAN providers address technology, market reach, partnerships and long-term viability, you can select an SD-WAN product to fit your organization's needs. Continue Reading
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Tip
17 Jul 2018
New generation of network analytics software starting to emerge
Some of the newest network analytics tools can learn how a network is supposed to operate, warn managers of potential problems and offer ways to solve issues. Continue Reading
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News
17 Jul 2018
Experts skeptical an AWS switch is coming
An AWS switch -- reportedly possible in the next 18 months -- would not benefit the cloud provider's customers, experts said. Instead, AWS needs to offer better connectivity. Continue Reading
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Tip
16 Jul 2018
How to simplify your overly complex networking design
If you flood your networking design with extraneous features and don't have a firm understanding of the overall system, you might fall into a complexity wormhole. Continue Reading
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News
12 Jul 2018
IT spending shows cloud-focused data center architectures
Corporate IT spending shows companies are revamping data center architectures in preparation for a multi-cloud future. Continue Reading
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News
12 Jul 2018
UNH InterOperability Lab expands IPv6 testing amid SDN growth
UNH-IOL updated its IPv6 testing program to comply with newly released regulations for network devices procured by government agencies, adding SDN and IoT support along the way. Continue Reading
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Opinion
11 Jul 2018
Vendors vie for a piece of the SD-WAN market share pie
The SD-WAN vendor market is showing some signs of consolidation. But it will remain volatile in the near term, and that should prove beneficial to customers. Continue Reading
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Opinion
10 Jul 2018
Hybrid cloud strategies should be reimagined as multi-cloud
The tech industry needs to change the way it defines hybrid cloud. A multi-cloud environment is often a more accurate description and worthwhile goal. Continue Reading
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Opinion
10 Jul 2018
MU-MIMO technology boosts system capacity for WLANs
MU-MIMO technology might not be magic, but it upgrades WLAN performance and system capacity so well that some network engineers might call it magical. Continue Reading
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News
06 Jul 2018
Cisco, Samsung finish 5G trial for home, IoT applications
Cisco, Samsung and French carrier Orange have completed a successful 5G trial. The companies' fixed wireless network delivered HD video to homes and provided IoT services. Continue Reading
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Tip
05 Jul 2018
Four ways to improve network security for modern networks
The green padlock on websites doesn't improve network security, so our expert addresses four ways to secure the modern network that move beyond the castle-wall analogy. Continue Reading
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News
05 Jul 2018
HPE aims new SimpliVity HCI at edge computing
Hewlett Packard Enterprise has launched a 2U SimpliVity HCI product for virtual desktops. The condensed compute and storage system will later be offered for IoT applications. Continue Reading
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Feature
05 Jul 2018
Cradlepoint router boosts network flexibility for dance group
Connecting an audience to the motion and music of a dance production takes more than dance and musical skills. For one professor, it required network flexibility and the Cradlepoint AER2100 router. Continue Reading
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News
03 Jul 2018
Vodafone puts Facebook Voyager through its paces
Vodafone said it has finished successfully testing the open source Facebook Voyager transponder on a live network in Spain. Continue Reading
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Tip
03 Jul 2018
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
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Feature
02 Jul 2018
Network security issues top the list of enterprise priorities
A network manager's list of concerns is always long. But given the rise of deadly threats, security tops the list, followed by SDN, IoT and edge computing. Continue Reading
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Opinion
28 Jun 2018
Transforming a legacy network through digital transformation
In a recent keynote speech, GE's CTO Chris Drumgoole outlines the transformation of a corporate giant's network from traditional and sluggish to limber and cloud-enhanced. Continue Reading
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News
28 Jun 2018
Juniper adds core campus switch to EX series
Juniper has added to the EX series a core aggregation switch for companies that need less scale than the EX9000. The compact EX4650 campus switch supports the EVPN and VXLAN protocols Continue Reading
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News
26 Jun 2018
Tempered Networks extends reach of NAC software
Tempered Networks has extended the reach of its network access control technology. The company has introduced NAC software for IoT, Google Cloud and Microsoft Azure. Continue Reading
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Tip
26 Jun 2018
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
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Tip
25 Jun 2018
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
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News
22 Jun 2018
Vendors need to concentrate on wireless reliability, not hype
Wireless reliability should be the main goal of WLAN vendors and institutions, one engineer writes. Also, how come networking didn't evolve the same way compute did? Continue Reading