Zeus Kerravala

Zeus Kerravala is the founder and principal analyst with ZK Research, and provides a mix of tactical advice to help his clients in the current business climate and long-term strategic advice. Kerravala provides research and advice to end-user IT and network managers, vendors of IT hardware, software and services and the financial community looking to invest in the companies that he covers.

Pennsylvania school district tackles network modernization

3 strategies to simplify complex networks

3 strategies to simplify complex networks

Innovations such as SD-WAN, Wi-Fi 6 and 5G have enabled networks to do more, but they’ve also made them complex. Software, machine learning, and automation will alleviate the problem.

To secure industrial IoT, use segmentation instead of firewalls

To secure industrial IoT, use segmentation instead of firewalls

Firewalls have been the de facto standard for securing internal devices, but the industrial internet of things (IIoT) will change that. Segmentation is the better option in those scenarios.

IT Leaders Need to Get Aggressive with SD-WAN

IT Leaders Need to Get Aggressive with SD-WAN

If your network team isn’t ready to modernize the network, it will hold the company back. Here’s why it is time to aggressively advocate for SD-WAN in your organization.

How SD-Branch addresses today’s network security concerns

How SD-Branch addresses today’s network security concerns

New digital technologies such as IoT at remote locations increase the need to ID devices and monitor network activity. That’s where SD-Branch can help, says Fortinet’s John Maddison.

SD-WAN Buyers Should Think Application Performance as well as Resiliency

SD-WAN Buyers Should Think Application Performance as well as Resiliency

SD-WAN decision makers need to look to suppliers that have specific technologies integrated into it that can act when congestion occurs.

Mist's AI-driven virtual assistant speeds up network troubleshooting

Mist's AI-driven virtual assistant speeds up network troubleshooting

Digital assistants using artificial intelligence will have a bigger impact as an IT support tool, as Mist Systems' virtual network assistant Marvis demonstrates.

Cloud adoption drives the evolution of application delivery controllers

Cloud adoption drives the evolution of application delivery controllers

Application delivery controllers (ADCs) are on the precipice of shifting from traditional hardware appliances to software form factors.

5G will augment Wi-Fi, not replace it

5G will augment Wi-Fi, not replace it

Jeff Lipton, vice president of strategy and corporate development at Aruba, adds a dose of reality to the 5G hype, discussing how it and Wi-Fi will work together.

Survey finds SD-WANs are hot, but satisfaction with telcos is not

Survey finds SD-WANs are hot, but satisfaction with telcos is not

A recent survey of over 400 IT executives by Cato Networks found that legacy telcos might be on the outside looking in for SD-WANs.

Online performance benchmarks all companies should try to achieve

Online performance benchmarks all companies should try to achieve

With digital performance more important than ever, companies must ensure their online performance meets customers’ needs. A new ThousandEyes report can help them determine that.

When it comes to uptime, not all cloud providers are created equal

When it comes to uptime, not all cloud providers are created equal

Cloud uptime is critical today, but vendor-provided data can be confusing. Here's an analysis of how AWS, Google Cloud and Microsoft Azure compare.

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