Network Intelligence

About |

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.

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.

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

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

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, but gear to support it won’t be widely deployed until 2020, according to an Extreme Networks exec.

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.

Opinion

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

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...

Know the benefits of cloud-native networking for SASE

Gartner has positioned secure access service edge (SASE) as the next wave of SD-WANs. While most industry people I talk to agree on the concept of security and networking being brought together, there is some debate surrounding...

The coming together of SD-WAN and AIOps

SD-WAN delivers cost and resiliency benefits. Infusing AI into SD-WAN takes things further, enabling automated operations and business agility.

As networks evolve enterprises need to rethink security

Q&A: John Maddison, executive vice president of products for network security vendor Fortinet, discusses how to deal with network security in the digital era.

Key Takeaways from Cisco’s Annual Internet Report

Cisco's report on internet use says businesses need to be ready for the massive wave of devices and need for bandwidth that are coming in the next five years.

The NFL knows a lot about deploying high-capacity WiFi networks

The NFL's lessons-learned from supplying Wi-Fi services to tens of thousands of fans during games can be applied to enterprises with large numbers of IoT devices.

Opinion

Passive optical LAN: Its day is dawning

As bandwidth demands continue to increase and with copper cabling having distance shortcomings, passive optical networks looks like an alternative that can solve a number of problems.

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

Opinion

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

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

Opinion

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.

Opinion

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.

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.

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.