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.

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

Wi-Fi 6E: When it’s coming and what it’s good for

Wi-Fi 6E: When it’s coming and what it’s good for

New wireless spectrum recently dedicated to Wi-Fi allows for more channels and higher density deployments.

What are data centers? How they work and how they are changing in size and scope

What are data centers? How they work and how they are changing in size and scope

The future of data centers will rely on cloud, hyperconverged infrastructure and more powerful devices.

SD-WAN needs a dose of AIOps to deliver automation

SD-WAN needs a dose of AIOps to deliver automation

Software-defined WAN (SD-WAN) is getting a big boost from AIOps as vendors look to simplify operations, lower costs, and optimize WAN performance in the modern cloud era. SD-WAN decouples the control aspect of a network from the...

Cisco challenge winners use AI, IoT to tackle global problems

Cisco challenge winners use AI, IoT to tackle global problems

Top prize goes to a startup in Kenya with a milk-chilling transit system that uses AI and IoT to optimize inventory management.

How to tailor SASE to your enterprise

How to tailor SASE to your enterprise

Secure access service edge is a well-defined model, but there are variations that achieve the same ends and give businesses flexibility to meet their larger goals.

SD-WAN boosts pest-control company's network performance

SD-WAN boosts pest-control company's network performance

Rollins pest control reaps better performance, security and automated changes with SD-WAN

As work-at-home increases, so do attacks on VoIP and unified communications

As work-at-home increases, so do attacks on VoIP and unified communications

Businesses need multi-pronged security to protect their remote workers that use IP-based communications.

SD-WANs are Morphing from Physical Sites to Backpacks, Ships and Trains

SD-WANs are Morphing from Physical Sites to Backpacks, Ships and Trains

Since SD-WANs provide more network flexibility, businesses are increasingly moving away from the notion that a site has to be a physical location.

The pandemic reveals the need for better telemedicine

The pandemic reveals the need for better telemedicine

As the COVID-19 crisis grew, areas that lacked high-speed internet access couldn’t benefit from remote telehealth exams.

Nvidia’s aggressive purchases could signal the era of open networking

Nvidia’s aggressive purchases could signal the era of open networking

After buying Cumulus and Mellanox, Nvidia can provide the full stack of elements with support to encourage mainstream-enterprise adoption of open networking.

Troubleshooting remote-employee experience is a must in the era of COVID-19

Troubleshooting remote-employee experience is a must in the era of COVID-19

The COVID-19 pandemic has created a massive wave in remote working, and this is causing some new pains for organizations, particularly network operations. Since shelter-in-place orders were given, I’ve talked to about 50 IT and...

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