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.

The pandemic reveals the need for better telemedicine

How AI helped Domino’s improve pizza delivery

How AI helped Domino’s improve pizza delivery

Sharing a container environment and Nvidia GPU server has enabled Domino’s data scientists to create more complex and accurate models to improve store and delivery operations

Next wave of digital transformation requires better security, automation

Next wave of digital transformation requires better security, automation

F5 report highlights the challenges of digital initiatives, including a struggle to secure multi-cloud environments and a lack of IT skills required to extend automation efforts.

How to deal with the impact of digital transformation on networks

How to deal with the impact of digital transformation on networks

To unleash the promise of digital transformation, businesses need to embrace automation and software-defined networking as well as improve security.

How to buy network automation tools

How to buy network automation tools

Here’s the factors you need to weigh so you can make a smart decision about the network automation tool that’s best for your organization.

Passive optical LAN: Its day is dawning

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.

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

How to shop for enterprise firewalls

How to shop for enterprise firewalls

Performance, form factors, and automation capabilities are key considerations when choosing a next-generation firewall (NGFW).

What is Linux? The open-source operating system that's changing the world

What is Linux? The open-source operating system that's changing the world

Linux has long been the basis of commercial networking devices, but now it's a mainstay of enterprise infrastructure.

What is Transport Layer Security (TLS)?

What is Transport Layer Security (TLS)?

Transport-layer security is more effective than its predecessor SSL, and its latest version - TLS 1.3 - improves both privacy and performance.

DHCP defined and how it works

DHCP defined and how it works

Dynamic host configuration protocol simplifies and improves the accuracy of IP addressing but can raise security concerns

SDNs and NFV are complementary and core components of modernized networks

SDNs and NFV are complementary and core components of modernized networks

Software-defined networking and network functions virtualization both untie tasks and functions from hardware and provide agility, one for the network itself, the other for network services.

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