Networking

Networking news, analysis, research, how-to, opinion, and video.

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To accelerate cloud application performance, start by mapping your apps

How to get more from your SD-WAN deployment with a cloud-ready WAN.

4 visibility

When it comes to your IT infrastructure, visibility matters

Delivering visibility across your increasingly distributed and complex IT infrastructure isn’t easy, yet it can help everyone get on the same page and aligned with business objectives and user needs.

retro astronauts with rocket on planet

Houston, we have a networking problem

Communications to and from space challenges networking reliability and efficiency on a whole new level.

blazing speed leaving a glowing trail along a road

Internet testing results: why fixing the internet middle mile is essential for SD-WAN performance

Can you trust an SD-WAN to deliver a predictable user experience if the basis of that SD-WAN is the unpredictable public Internet? Based on our testing, the answer is a qualified “yes.”

smart cities - IoT internet of things - global wireless network

Building IoT-ready networks must become a priority

IoT is here and expected to grow immensely. Organizations must plan now for how to accommodate it and build IoT-ready networks, says Alcatel-Lucent Enterprise’s Heitor Faroni.

database data center futuristic technology

Data-center management: What does DMaaS deliver that DCIM doesn’t?

Datacenter management as a service, or DMaaS, is a cloud-based remote monitoring service that aggregates and analyzes large sets of anonymized customer data to help companies better anticipate equipment failures or capacity shortfalls...

window patch repair boarded up

Overcoming kludges to secure web applications

Nothing is easy when applications lay upon multiple kludges of network architecture and flawed protocols. Without adequate safeguards, security results in a hit and miss approach.

internet web browser

DNS in the cloud: Why and why not

The upside can be better performance and resiliency with a down side of dire business impact if the DNS service provider suffers a catastrophic outage

iot services network

Access management is critical to IoT success

With Aerohive's secure access management solution, A3, administrators can manage the lifecycle of all devices, including IoT devices, on the network.

analytics network monitoring

Review: Icinga enterprise-grade, open-source network monitoring that scales

Icinga's management software is well-documented, easy to install and has plenty of plug-ins, but could benefit from an easier install

net neutrality now

The loss of net neutrality: Say goodbye to a free and open internet

The effort to restore net neutrality advanced after the U.S. Senate voted to reinstate the rules. The motion still has a battle ahead of it. If it fails, you can expect these long-lasting problems to surface.

chuck robbins cisco ceo

Cisco CEO trumpets Catalyst 9K advances, software business success

CEO Chuck Robbins talks about the shift to subscriptions for Cisco services, the company's cloud strategy, intent-based networking

earthlink sd wan

Survey: Mainstream adoption of SDN, SD-WAN finally arrives

The top IT initiatives of enterprise network managers are cloud and software-defined data centers, overcoming server virtualization’s dominance for the past 10 years, according to Enterprise Management Associates.

Network Networking Ethernet

How Cisco’s Multigigabit Technology can increase network speeds

Cisco's Catalyst Multigigabit switches with NBASE-T will help users get more than 1 gig of speed from their existing infrastructure -- without having to rip everything up and replace it.

mwc huawei

Will Huawei become a pawn in a high-stakes U.S.-China technology war?

Huawei faces potential sanctions by the U.S. that could draw it in to a larger technology confrontation between the U.S. and China

manage virtualization computers

Don’t get left behind: SDN, programmable networks change how network engineers work

The rise of programmable networks and software-defined networking has changed the role of the network engineer, and accepting those changes is key to career advancement. Network engineers need to become software fluent and embrace...

Google logo fisheye

Defining network performance with Google’s 4 golden signals

Why evaluating latency, traffic, errors and saturation can play a crucial role in establishing your network performance monitoring strategy.

nutanix ceo dheeraj pandey

Nutanix looks to turn its hyperconverged infrastructure (HCI) products into a platform

Nutanix outlined its plan to become the next major enterprise platform vendor, announcing several products to give it visibility among CIOs.

Network World / Cisco Survivors [Slide-00]

10 competitors Cisco just can't kill off

With such a broad array of products and backed by vast financial resources, Cisco faces challenges on all fronts, making it possible for other behemoths and even some small competitors to persist.

man in network room data center tech troubleshooting

IPSec – A swiss army knife of kludges

One shoe does not fit all when it comes to SD-WAN providers. There are a variety of ways to tunnel user traffic. Stay clear of anyone who hasn't made the right extensions to IPSec.

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