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.

Cloud adoption drives the evolution of application delivery controllers

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.

How to shop for enterprise firewalls

How to shop for enterprise firewalls

Performance, form factors, and automation capabilities are key considerations when choosing a next-generation firewall (NGFW).

When Wi-Fi is mission-critical, a mixed-channel architecture is the best option

When Wi-Fi is mission-critical, a mixed-channel architecture is the best option

Multi-channel is the norm for Wi-Fi today, but it’s not always the best choice. Single-channel and hybrid APs offer compelling alternatives when reliable Wi-Fi is a must.

How to determine if Wi-Fi 6 is right for you

How to determine if Wi-Fi 6 is right for you

The Wi-Fi 6 is on the horizon. Follow these steps to determine if your business should upgrade to the new wireless standard and how to prepare.

Why Wi-Fi needs artificial intelligence

Why Wi-Fi needs artificial intelligence

Business Wi-Fi has grown in importance, and an artificial intelligence-based operational model is needed to keep up with increasing demands.

IoT security plans: 3 things you must include

IoT security plans: 3 things you must include

For Internet of Things (IoT) implementations to succeed, network and security professionals need to create an IoT security roadmap that includes these three things.

What is Linux? Everything you need to know about the open-source operating system

What is Linux? Everything you need to know about the open-source operating system

Linux has long been the basis of commercial networking devices, but now it's a mainstay of enterprise infrastructure.

SD-WAN creates new security challenges

SD-WAN creates new security challenges

Security is one of the top concerns of organizations deploying an SD-WAN. Fortinet’s John Maddison explains what the SD-WAN security challenges are and how to address them.

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