Network Security Best Practices and Products
Top Stories
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Answer
13 Jul 2021
The differences between PAP and CHAP
PAP uses a two-way handshake to authenticate client sessions, while CHAP uses a three-way handshake. Both authentication processes are common, but one is more secure. Continue Reading
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Answer
02 Oct 2020
What does a VPN concentrator do?
As more employees work remotely and VPN use rises, VPN concentrators have become trendy. But what does a VPN concentrator do exactly, and how do you deploy one? Continue Reading
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News
24 Jan 2018
Apstra bolsters IBN with customizable analytics
Startup Apstra has introduced customizable analytics in its network operating system. The latest AOS upgrade bolsters Apstra's intent-based networking capabilities. Continue Reading
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News
23 Jan 2018
5G networks advance in U.S. with expanded trials
Operators' 5G networks move forward with expanded trials; wireless WPA3 standard will help secure public Wi-Fi; and Verizon acquires threat detection startup that uses machine learning. Continue Reading
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News
23 Jan 2018
Talari adds SD-WAN appliance for smaller edge sites
With its recently added SD-WAN appliance, Talari aims for smaller branch locations, like retail and remote sites; Cradlepoint introduces subscription-based networking packages. Continue Reading
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Tip
22 Jan 2018
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
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Answer
22 Jan 2018
How can you use perfect forward secrecy for mobile security?
How can companies increase data protection in mobile communications environments and enhance perfect forward secrecy to safeguard user activity? Continue Reading
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News
19 Jan 2018
ThousandEyes-Juniper pact focuses on hybrid WANs
ThousandEyes and Juniper boost visibility for hybrid WANs; IDC records sharp rise in cloud spending; and a vendor group issues specifications for optical 100 Gbps interoperability. Continue Reading
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News
17 Jan 2018
ExtremeLocation latest addition to Extreme wireless portfolio
Extreme Networks is targeting retailers with a new set of services, called ExtremeLocation. The latest technology adds location-based customer-tracking services to the Extreme wireless portfolio. Continue Reading
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Tip
16 Jan 2018
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
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News
16 Jan 2018
Cybersecurity skills shortage continues to worsen
This week, bloggers explore the cybersecurity skills shortage, the challenges of deploying edge computing and how best to mitigate Meltdown in a software-centric environment. Continue Reading
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Tip
15 Jan 2018
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
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News
12 Jan 2018
Cisco, Hyundai to add software-defined platform to vehicles
Cisco and Hyundai will release jointly developed software-defined vehicles in 2019. These connected cars will boast a Cisco-built software-defined platform and 1 Gbps Ethernet. Continue Reading
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News
11 Jan 2018
No need to rush network patching for Spectre and Meltdown
Security experts said Spectre and Meltdown pose a low risk to corporate networking gear. Nevertheless, vendor patches should be applied following thorough testing. Continue Reading
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News
11 Jan 2018
Campus network architecture strategies to blossom in 2018
This week, bloggers focus on the growing relevancy of campus network architecture planning, BGP route selection and the next generation of cloud-vendor partnerships. Continue Reading
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Answer
10 Jan 2018
IBN: Enablement for a configuration management process?
How realistic are claims about intent-based networking helping organizations to enhance the network configuration management process? Continue Reading
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Answer
09 Jan 2018
How does SD-WAN manage real-time network traffic performance?
Most people have experienced poor quality when it comes to real-time network traffic, like VoIP and video. But SD-WAN can help prioritize traffic and improve reliability. Continue Reading
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News
05 Jan 2018
AT&T 5G headed for 12 U.S. markets this year
AT&T plans to roll out 5G mobile services in a dozen U.S. markets by the end of the year. But details on the AT&T 5G services have not been released. Continue Reading
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News
04 Jan 2018
Cisco ETA security integrated into Catalyst, ASR, ISR
Cisco has integrated Encrypted Traffic Analytics into Catalyst switches and ASR and ISR routers. Cisco ETA searches encrypted traffic for malware activity. Continue Reading
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News
04 Jan 2018
Managing first-hop router complexity with an IPv6 prefix
This week, bloggers explore IPv6 prefix complexities, the reasons behind high turnover among CISOs and whether the adage 'just reboot it' holds true with advanced wireless LANs. Continue Reading
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News
04 Jan 2018
Zayo SD-WAN available as a managed or on-premises product
Zayo Group has launched an SD-WAN product. The Zayo SD-WAN is available as an on-premises or managed product. Zayo is a bandwidth infrastructure provider in the U.S. and Europe. Continue Reading
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Tip
03 Jan 2018
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
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Tip
01 Jan 2018
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
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News
27 Dec 2017
Nuffield Health finds SD-WAN deployment worth the added cost
The additional SD-WAN cost brought more value to the LANs of 189 Nuffield hospitals and fitness centers in the United Kingdom. Continue Reading
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Tip
26 Dec 2017
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
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News
26 Dec 2017
Recapping 2017's biggest trends in networking technology
In 2017 trends in networking technology, network management software got more intelligent, switches more versatile and vendor consolidation accelerated. Continue Reading
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Answer
26 Dec 2017
How can network management systems boost troubleshooting?
What can IT teams do to combine network management systems and application performance management tools to boost troubleshooting in enterprise infrastructure? Continue Reading
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News
13 Dec 2017
SD-WAN a tool for combining networks, engineer says
When your company acquires another, combining networks can be a chore. But SD-WAN could ease the pains associated with integrating disparate topologies. Continue Reading
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News
06 Dec 2017
Barefoot Tofino chip tapped for Deep Insight network monitor
Barefoot Networks has introduced packet-based monitoring software, called Deep Insight. The new product uses data processed on switches powered by the Barefoot Tofino chip. Continue Reading
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Tip
04 Dec 2017
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
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Opinion
01 Dec 2017
The future of networking technology is playing out right now
To prepare for the future of networking technology, IT managers must understand evolving concepts like hyper-convergence, SD-WAN and intent-based networking. Continue Reading
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News
30 Nov 2017
Aporeto app security uncoupled from network infrastructure
Aporeto app security startup has introduced security software that achieves scale by decoupling application security from the network infrastructure of a hybrid cloud environment. Continue Reading
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Feature
29 Nov 2017
How to select the best network monitoring tool
Learn the criteria for choosing the best network monitoring tool for your enterprise. Continue Reading
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News
22 Nov 2017
Why device upgrade strategies fail
The industry is built on 30-year-old code, writes one analyst, and that is one reason why device upgrade strategies often fall short. Continue Reading
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News
16 Nov 2017
LiveAction software focuses on provisioning resources
Bloggers look into LiveAction software aimed at provisioning resources, the threat posed by the cybersecurity skills shortage and using Linux for data center switches. Continue Reading
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News
10 Nov 2017
Remediation engine to improve Nyansa Voyance network monitoring
New remediation engine in Nyansa Voyance flags the cause of network troubles and recommends changes to correct it. Other improvements include more syslog data for better analytics. Continue Reading
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Tip
08 Nov 2017
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
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News
03 Nov 2017
What endpoint security systems do companies need?
This week, bloggers look into advances in endpoint security systems, achieving greater functionality with AirCheck G2 and the continued role of the command-line interface in an API era. Continue Reading
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News
31 Oct 2017
ONUG conference: SD-WAN and automation continue to grow
The 2017 ONUG conference focused on new uses for SD-WAN, the development of standards and offered a sneak peek into emerging technologies, like containerization and automation. Continue Reading
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News
30 Oct 2017
Ethernet switch market trends show 40 GbE losing share
The global Ethernet switch market grows, according to IHS Markit, while ThousandEyes focuses on device health and network visibility. Riverbed and Teneo team up on new service. Continue Reading
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News
27 Oct 2017
Getting to know serverless computing architecture
Bloggers explore the dynamics of serverless computing architecture, efficacy and efficiency with endpoint security and use cases for bidirectional forwarding detection Continue Reading
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News
24 Oct 2017
To buy or build IT infrastructure focus of ONUG 2017 panel
During ONUG's fall conference, panelists debated whether to buy or build IT infrastructure. Company IT execs say the final decision depends on a company's culture and talent. Continue Reading
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News
20 Oct 2017
Why open network systems are so difficult to find
Bloggers explore open network systems, look into the development of unified security operations and analytics, and recommend how to tweak an Ansible playbook. Continue Reading
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Tip
18 Oct 2017
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
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News
13 Oct 2017
Cybersecurity evolution brings shifts for network security
Bloggers explore cybersecurity evolution and its impact on network security, new network fabrics from Extreme and take a deep dive on routing protocols, such as BFD. Continue Reading
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News
06 Oct 2017
ETSI industry group publishes six NFV specifications
The ETSI Industry Specification Group for NFV is living up to its name with the publishing of six new NFV specifications. Also, NSS Labs puts SD-WAN products to the test. Continue Reading
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News
06 Oct 2017
Dell open networking gets more 25 GbE switches, SD-WAN appliances
An expanded Dell open networking portfolio includes a high-performing switch for connecting data centers and a 25 GbE model with a new OS for managing network fabrics. Continue Reading
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Tip
04 Oct 2017
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
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Opinion
02 Oct 2017
Users want hybrid cloud networking to be simple
As more services move to the cloud and become more mobile, if the network is invisible and performs well, IT pros are doing their jobs in users' eyes. Continue Reading
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News
29 Sep 2017
Cloud-based infrastructure meets networking at ONUG fall conference
Cloud-based infrastructure is reshaping the networking industry -- an issue ONUG has seen within its user community and will address at its upcoming fall conference in New York City. Continue Reading
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Tip
27 Sep 2017
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
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Tip
26 Sep 2017
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
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Tip
25 Sep 2017
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
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News
20 Sep 2017
Aruba launches 360 Secure Fabric user behavioral analytics system
Artificial intelligence and machine learning are key components of the newly launched Aruba 360 Secure Fabric user behavioral analytics security software. Continue Reading
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News
15 Sep 2017
Comcast networking adds ActiveCore SD-WAN; AT&T NetBond tackles cloud
Comcast networking now includes the new ActiveCore SD-WAN platform. The company is the first U.S. cable operator to offer the SDN service. Meanwhile, AT&T has unveiled better cloud connectivity. Continue Reading
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News
15 Sep 2017
Huawei wants to grow public cloud market share
Bloggers explore Huawei's efforts to grow its public cloud market share, workload performance in containers and Cisco's new emphasis on LISP. Continue Reading
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Tip
08 Sep 2017
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
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News
08 Sep 2017
Switch used as container platform in software-based networking
Developers are building open technology on Linux to turn a top-of-rack white box switch into a services platform for software-based networking. Continue Reading
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News
07 Sep 2017
VMware network security improves with AppDefense launch
Bloggers examine AppDefense -- a new VMware network security offering -- and look into synchronizing BGP and OSPF, as well as the capabilities of new Savvius analytics. Continue Reading
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News
30 Aug 2017
VeloCloud's SD-WAN security program adds more partners
VeloCloud introduced new members to its SD-WAN security program, while Canonical Ltd. and SnapRoute combine technologies to develop an integrated white box switching stack. Continue Reading
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Answer
28 Aug 2017
How should IT manage connected devices?
As IT teams become tasked to manage connected devices more often, what steps need to be taken to avoid performance and security-related problems? Continue Reading
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News
24 Aug 2017
Trends in VMware business model anticipated for VMworld 2017
Analysts explore trends in the VMware business model, what makes an enterprise-class security vendor, and the costs of hardware and disaggregation. Continue Reading
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News
18 Aug 2017
Cisco revenues fall, likely to go lower
Top-line Cisco revenues fell in the July quarter, as the company's legacy switching business continued to weaken. Cisco could soon reach two straight years of revenue declines. Continue Reading
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News
18 Aug 2017
WatchGuard launches new firewall appliances, 5G focus of MWC
Bloggers examine WatchGuard firewall appliances, explore transparency as a vendor virtue and assess the role of 5G in future SD-WAN deployments. Continue Reading
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News
17 Aug 2017
ManageEngine launches OpManager Plus deep packet inspection tool
ManageEngine launches OpManager Plus, a new deep packet inspection tool; Nyansa broadens analytics for Voyance; and Aerohive premieres a new combined switch-access point. Continue Reading
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News
11 Aug 2017
Big Switch-HPE partnership opens chances for enterprise SDN
Hewlett Packard Enterprise is partnering with SDN vendor Big Switch. The HPE partnership is expected to take advantage of Big Switch's limited success in the enterprise market. Continue Reading
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Answer
10 Aug 2017
Why some Wi-Fi jobs are best for WLAN professionals to avoid
Some Wi-Fi jobs can become nearly impossible to complete. When engineers contend with inflated expectations or bad designs, it may be best to walk away. Continue Reading
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Tip
09 Aug 2017
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
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News
04 Aug 2017
Does Mojo have the mojo to change WLAN architecture?
Bloggers explore Mojo Networks' efforts to disrupt the delivery of WLAN architecture, DevTest in clouds and new directions in network management. Continue Reading
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News
03 Aug 2017
Riverbed Xirrus merger brings SD-WAN, wireless integration
The Riverbed Xirrus merger will lead to unified management of SD-WAN and wireless products. Riverbed SteelConnect Manager will get some control over Xirrus access points this year. Continue Reading
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Tip
01 Aug 2017
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
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Tip
31 Jul 2017
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
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News
28 Jul 2017
2017 cybersecurity trends at the Black Hat conference
This week, bloggers look into 2017 cybersecurity trends leading up to the Black Hat conference, Movidius deep learning and Mist's approach to WLAN. Continue Reading
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News
26 Jul 2017
Update expands Mist Wi-Fi management platform use cases
The latest update to the Mist Wi-Fi management platform makes it more useful for divvying up network access in hotels, college dormitories and apartment buildings. Continue Reading
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News
24 Jul 2017
Ericsson-Cisco partnership activity expected to slow until 2020
The Ericsson-Cisco partnership is likely to produce little in the way of sales or technology, as carriers wait to rearchitect networks for 5G broadband. Continue Reading
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News
21 Jul 2017
SaaS SIEM offers enterprise networks refined analytics
This week, bloggers explore SaaS SIEM, applications as drivers of hybrid cloud, and the benefits and drawbacks of integrated systems. Continue Reading
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News
20 Jul 2017
MEF looks to SD-WAN standards with open APIs, orchestration framework
MEF has made the move to establish consistent SD-WAN standards for its service provider members through a set of open APIs and a lifecycle service orchestration framework. Continue Reading
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News
20 Jul 2017
Extreme to unify wired, wireless campus with Avaya fabric software
Extreme Networks plans to embed Avaya fabric technology in switches and management software to enable centralized control of large wired and wireless campus networks. Continue Reading
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News
14 Jul 2017
Microsoft Azure Stack has leg up on VMware Cloud on AWS
Microsoft's Azure Stack will likely be more successful in the hybrid cloud market than VMware Cloud on AWS, according to analysts. Both products are set to ship by September. Continue Reading
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News
13 Jul 2017
SN blogs: Can cloud-based routing do the trick?
This week, bloggers assess how Volta Networks is shifting to cloud-based routing, device identification, and IPv6 and VLAN interfaces. Continue Reading
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News
28 Jun 2017
Cisco DNA Center headed for central enterprise network management
The new Cisco DNA Center policy software may become the central enterprise management console for data center and campus networks, integrating Cisco's APIC controller. Continue Reading
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News
27 Jun 2017
Cisco and Apple alliance deepens, targets security and Wi-Fi projects
With Cisco's Ericsson partnership on hold for now, the Cisco and Apple CEOs hinted at joint work on Wi-Fi and security at Cisco annual customer conference. Continue Reading
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News
22 Jun 2017
New Catalyst switches, Cisco DNA force rethinking of campus network
Cisco has launched a Catalyst switching line that provides a redesigned platform for the campus network. The Cisco DNA software console provides the policy-based management layer. Continue Reading
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News
14 Jun 2017
Enterprises seek operational insight from network analytics
This week, bloggers look into operational insight from network analytics, vulnerabilities in the wake of WannaCry and slow 25 GbE switch adoption. Continue Reading
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Tip
13 Jun 2017
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
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Answer
08 Jun 2017
How to cut false security, malware alerts in hybrid cloud
The bad news: IT teams are deluged by false security and malware alerts with their hybrid clouds. The good news: New tools are here to help. Continue Reading
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News
02 Jun 2017
Chef gets compliments for network automation tool features
Networking industry pros discuss the Chef automation tool and how it can be used as a network automation tool. They also examine the evolution of AI and talk about a controller upgrade gone bad. Continue Reading
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Tip
24 May 2017
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
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News
18 May 2017
Comcast Business beta trials managed SD-WAN with Versa Networks
Comcast Business chooses Versa Networks as its managed SD-WAN partner, while Sprint turns to VeloCloud. Also, NEC and Dell EMC announce the availability of their SD-LAN service. Continue Reading
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News
17 May 2017
SNAS open source networking project captures BGP telemetry
This week, bloggers look into the open source networking option SNAS, SIEM for enterprises and automating device configurations. Continue Reading
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News
17 May 2017
Console's cloud interconnect lets users link multiple providers
Console unveils a cloud interconnect service that offers a more secure and stable connection between multiple cloud providers. Continue Reading
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Opinion
16 May 2017
What is the future of networking for enterprises?
What will be the future of networking at enterprises and organizations operating in 2025? Continue Reading
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Opinion
15 May 2017
A10's Harmony brings app delivery services to a multicloud deployment
As use of cloud services explodes, A10 Networks is working to add application delivery services to the multicloud deployment process. Continue Reading
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Tip
12 May 2017
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
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News
11 May 2017
Latest Verizon CPE aimed at simplifying deployment of network services
Verizon's latest customer premise equipment is meant to simplify deployment of virtual network functions. The new Verizon CPE was introduced this week at the OpenStack Summit. Continue Reading
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News
05 May 2017
Cisco-Viptela deal first step of segment consolidation?
This week, bloggers look into the Cisco-Viptela acquisition, barriers to hybrid cloud adoption and improving cloud analytics for midmarket groups. Continue Reading
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Feature
04 May 2017
EarthLink SD-WAN helps Dunn-Edwards Paints connect with customers
When Dunn-Edwards Paints decided to explore software-defined WAN, they looked to their service provider, EarthLink. The latter's new managed SD-WAN service was a hit. Continue Reading
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Opinion
04 May 2017
Software-based networks ease staff manual labor, increase efficiency
Find out how three enterprises are experiencing the benefits of software-based networks as their staffs are freed up from manually tweaking network components. Continue Reading
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Blog Post
01 May 2017
Cisco to acquire Viptela
Cisco said it would acquire SD-WAN vendor Viptela Inc. in a deal valued at $610 million. The transaction, expected to close later this year, will fortify Cisco's existing SD-WAN portfolio with ... Continue Reading
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News
01 May 2017
Nyansa premieres new Voyance network analytics tools
This week, Nyansa premieres new Voyance network analytics tools, espionage takes off as a security threat and the midmarket struggles with cybersecurity. Continue Reading
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Opinion
26 Apr 2017
Managing wireless networks: How to address the key challenges
One challenge in managing wireless networks is that the tools and tech are changing rapidly. Here’s what network pros need to know now. Continue Reading
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News
21 Apr 2017
Xirrus wireless LAN makes Riverbed WAN portfolio stronger for the branch
The acquisition of wireless LAN provider Xirrus makes the Riverbed WAN portfolio more appealing to companies with branch offices. Continue Reading