Zeus Kerravala

About

Zeus Kerravala is an eWEEK regular contributor and the founder and principal analyst with ZK Research. He spent 10 years at Yankee Group and prior to that held a number of corporate IT positions. Kerravala is considered one of the top 10 IT analysts in the world by Apollo Research, which evaluated 3,960 technology analysts and their individual press coverage metrics.

Understand the Differences Between 5G, WiFi 6 and WiFi 6E

WiFi 6, WiFi 6E and 5G are the next wave of wireless technologies that are currently on the horizon. All three promise to deliver higher performance, lower latency, and faster data rates to power next-gen devices like the Internet of Things (IoT). However, the differences between WiFi 6, WiFi 6E and 5G are often misunderstood. […]

VMware’s VP Craig Connors Discusses SASE and its Secure Web Gateway

There is arguably no hotter technology right now than secure access service edge (SASE).  One might think that the rise of work from home driven by the COVID-19 pandemic has been the primary driver of the interest in SASE, but in reality, the momentum started before that. Work from home certainly acted as a catalyst […]

Cisco Revamps Webex To Address Hybrid Work

This week Cisco held a hybrid work event, at which it launched an entirely new Webex. Cisco has been the market leader in on-line collaboration since it acquired Webex in 2007.  Over the years, it’s faced many competitors, both big and small, but it’s managed to stay on top.  Most recently, the pandemic created a […]

Citrix Secure Internet Access Simplifies Hybrid Workforce Challenges

The COVID-19 pandemic changed many things for workers. A year ago, most workers went into corporate offices to do their jobs. Today, almost all knowledge workers are working from home and this is likely to stay this way for the foreseeable future. A recent ZK Research survey found that prior to the pandemic, 22% of […]

Juniper Bolsters its Intent-Based Networking with Release of Apstra 4.0

Juniper Networks unveiled the latest version of its Apstra intent-based networking (IBN) software in an effort to help enterprises automate data center operations. Among other enhancements, Apstra 4.0 features connectivity templates for managing connections to attached systems and additional support for multi-vendor integrations. Apstra, which specializes in IBN and intent-based analytics (IBA), has become the […]

Extreme Networks Outlines Its Vision for The Future

This week Extreme Networks held its annual user event, Extreme Connect, in a digital format.  At the event, the company unveiled a new vision – the Infinite Enterprise, as well as a number of new products that can help companies make this vision a reality. The concept of the Infinite Enterprise is an organization that […]

New Arista Networks Switch Goes Ultra-Low Latency 

High-performance networking vendor Arista Networks has announced a number of updates to its 7130 line of programmable FPGA switches. SwitchApp for Arista 7130 is built on the layer-1 switch that was acquired with the 2018 purchase of Metamako. The new series consistency delivers round-trip latency under 100ns, but it can be as low as 45ns […]

Celona Explains Its Vision for the Edgeless Enterprise 

5G, the next generation of wireless network technology, is causing a radical shift in the telecom space and soon in enterprise networks. While 2G, 3G and 4G were faster versions of the original mobile network, 5G didn’t derive from antiquated standards. It is the first technology standard in networking that was born in the cloud […]

Cisco Systems Envisions the Future of Voice Calling 

Voice calls are dead, correct? That’s what people have been predicting for almost two decades, but the reality is that calling is still quite healthy. Much of the media’s focus on collaboration tools–particularly since the pandemic–has been on video and artificial intelligence, and that has promoted the perception that calling has become obsolete. In the […]

DigiCert Extends Security Certificate Management for On-Premises Deployments

DigiCert has introduced a new solution that lays the groundwork for complete and autonomous on-premises security certificate management. The new DigiCert Automation Manager is a containerized solution, made for enterprises with high-volume transport layer security (TLS) certificate requirements. Managing certificates has never been easy, but the rate at which they get replaced has accelerated and […]