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.

Passive optical LAN: Its day is dawning

How cloud providers' performance differs

How cloud providers' performance differs

The 2019 ThousandEyes Benchmark report shows that not all cloud providers are created equal across all regions

SD-WANs Enable Scalable Local Internet Breakout but Pose Security Risk

SD-WANs Enable Scalable Local Internet Breakout but Pose Security Risk

Local internet breakout is a modern approach to the SD-WAN. But it must be done securely. Read on for requirements that should be addressed at the outset of deployment.

Fortinet CEO: Network and security technologies give rise to security-driven networking

A conversation about the future of network security with Fortinet CEO Ken Xie

How SD-WAN is evolving into Secure Access Service Edge

How SD-WAN is evolving into Secure Access Service Edge

Secure access service edge (SASE), pronounced 'sassy,' combines elements of SD-WAN and network security into a single cloud-based service. It supports all types of edges, including WAN, mobile, cloud, and edge computing.

Pennsylvania school district tackles network modernization

Pennsylvania school district tackles network modernization

NASD upgrades its campus core to be the foundation for digital learning.

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.

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