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.

Traditional application performance management no longer sufficient

Traditional application performance management no longer sufficient

Nyansa’s early success shows there’s a need for user performance management rather than traditional application performance management.

Hyperconverged secondary storage market heats up

Hyperconverged secondary storage market heats up

Cohesity saw strong momentum in 2017, indicating businesses are ready for hyperconverged secondary storage.

How Chuck Robbins is turning Cisco around

How Chuck Robbins is turning Cisco around

After treading water for the better part of a decade, Cisco's fortunes have turned around because of the decisions CEO Chuck Robbins made over two years ago.

Juniper brings AI bots to intent-based networks

Juniper brings AI bots to intent-based networks

Juniper announced its new artificial intelligence (AI) bots, Juniper Bots, which advance intent-based networks.

Big changes coming for the application delivery controller market

Big changes coming for the application delivery controller market

A recent ZK Research survey shows the application delivery controller market is about to go through significant change.

How to create self-driving private clouds

How to create self-driving private clouds

ZeroStack outlines the five stages to creating self-driving clouds and provides a roadmap to get there.

VeloCloud and Aryaka in a two-horse race for SD-WAN leadership

VeloCloud and Aryaka in a two-horse race for SD-WAN leadership

IHS Markit report shows VeloCloud and Aryaka have jumped out and are leading the SD-WAN market.

Aerohive SD-WAN solution simplifies management of multi networks

Aerohive SD-WAN solution simplifies management of multi networks

With Aerohive's SD-WAN solution, customers now have a single console for managing wired networks, Wi-Fi and the enterprise WAN.

Arista brings the benefits of leaf-spine to routing

Arista brings the benefits of leaf-spine to routing

With its new operating system, EOS 4.20, Arista Networks adds routing to its leaf-spine architecture to transform routing and better align it with cloud principles.

DDI is a critical component of IoT success

DDI is a critical component of IoT success

The IoT era has arrived, and organizations need to be able to manage and secure their IoT networks. DDI can help.

The future of storage: Pure Storage CEO Charlie Giancarlo shares his predictions

The future of storage: Pure Storage CEO Charlie Giancarlo shares his predictions

Faster processors and network speeds drive the need for an all-flash data center, says Pure Storage CEO Charlie Giancarlo.

Network Outages? Unacceptable. How to Ensure Availability

Network Outages? Unacceptable. How to Ensure Availability

There are no caveats anymore when it comes to network availability. Businesses in the cloud era must provide it. Here’s how to ensure it.

What do John Chambers and crickets have in common? The IoT

What do John Chambers and crickets have in common? The IoT

Former Cisco CEO John Chambers is investing in Aspire Food Group, which is on a mission to end world hunger by using IoT and machine learning to farm crickets.

Manage user performance, not the network, with machine learning-based tools

Manage user performance, not the network, with machine learning-based tools

Startup Nyansa adds machine learning to its Voyance user performance management tool, enabling it to provide proactive remediation advice.

Riverbed enhances its SD-WAN performance-monitoring platform

Riverbed enhances its SD-WAN performance-monitoring platform

Riverbed's SteelCentral provides an end-to-end view of the user experience, monitoring applications, network traffic, devices and infrastructure from one console.

Aerohive and Dell EMC announce OEM relationship

Aerohive and Dell EMC announce OEM relationship

Aerohive Networks gets a boost from Dell EMC’s channel and services, helping it distribute its Wi-Fi hardware and cloud management platform and reach more customers.

Cisco aims to simplify multi-cloud deployments

Cisco aims to simplify multi-cloud deployments

Cisco’s new portfolio of solutions takes the complexity out of hybrid and multi-cloud deployments, reduces costs and speeds up time to market.

Cohesity makes it easier to manage secondary storage

Cohesity makes it easier to manage secondary storage

Using hyper-converged infrastructure, Cohesity’s DataPlatform consolidates a company’s secondary storage onto one platform and reduces data storage and operational costs.

Extreme completes Brocade acquisition, finishing a remarkable turnaround story

Extreme completes Brocade acquisition, finishing a remarkable turnaround story

The acquisition of Brocade’s data center network business is culmination of an unusual reversal of fortune.

Cisco adds telemetry to storage networks

Cisco adds telemetry to storage networks

Cisco MDS 9123T FC switch with integrated telemetry helps customers analyze SAN operations better, remediate problems faster and proactively handle issues.

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