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.

5 steps for modernizing enterprise networks

Is SD-WAN out to kill MPLS?

Is SD-WAN out to kill MPLS?

SD-WAN is something everyone's talking about but is it better than MPLS? My answer is yes... and it's easier to explain than baseball.

Next-gen wireless options: Wi-Fi 6, 5G or private 5G?

Next-gen wireless options: Wi-Fi 6, 5G or private 5G?

As Wi-Fi and 5G technology improve to support higher bandwidth and more users per access point, enterprises need to look deeper to decide which best meets their needs.

The data-center workforce needs skills in cloud, analytics, and programming

The data-center workforce needs skills in cloud, analytics, and programming

Distributed cloud is changing how data-center infrastructure is designed and managed. As staffing requirements grow globally, organizations are looking for IT pros with skills that include cloud management, data analytics, network...

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

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

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.

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.

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