

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.

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?
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
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...

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.

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.

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