Gartner Blog Network

Andrew Lerner
Research Vice President
4 years at Gartner
19 years IT Industry

Andrew Lerner is a Vice President in Gartner Research. He covers enterprise networking, including data center, campus and WAN with a focus on emerging technologies (SDN, SD-WAN, and Intent-based networking). Read Full Bio

Making networks more “Googley”

by Andrew Lerner  |  November 29, 2016

We all know that the hyperscale companies like Google, Amazon and Facebook operate very differently from traditional IT shops. The general consensus is that 99% of what they do has no applicability in the mainstream due to a) their scale, b) their people/talent and/or c) their corporate appetite to drive technology innovation. However, as we’ve […]

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Predicting the Death of the CLI

by Andrew Lerner  |  November 22, 2016

Every year around December, we publish Enterprise Networking predictions. This year, we have five predictions including: By 2020, only 30% of network operations teams will use the command line interface (CLI) as their primary interface, down from 85% at YE16. The CLI has remained the primary operational tool for mainstream network operations teams for easily […]

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Gartner Data Center Infrastructure & Operations Management Conference

by Andrew Lerner  |  November 19, 2016

In just a few weeks, we will be having our annual Gartner Data Center Infrastructure & Operations Management Conference, in Vegas.  This is a fun conference if you’re a networking person, and this year we have a dedicated networking track with 16 sessions.  Just wanted to highlight a few of them…. The Enterprise Network Scenario: […]

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The Internet just got punched in the face

by Andrew Lerner  |  October 28, 2016

This is a guest blog from Bob Gill Every so often, an event occurs to remind us that the Internet is open to anyone (almost), owned and controlled by no one, and an invaluable resource that we have to assume will be something less than what we hope, when we least expect it. What happened? […]

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Networking VendorMath

by Andrew Lerner  |  October 19, 2016

Vendormath…We’ve all seen it…it looks something like this… From the vendor’s perspective, it always shows that “our stuff” is sooo much better financially than “their stuff” (note: a slight deviation to this is when “their stuff” is 4% cheaper in year 1, but over X years, our stuff is much much more cost effective). While […]

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Network One-Liners

by Andrew Lerner  |  October 7, 2016

The most important things in life are often quite simple, and this certainly applies to networking… So, here are nine network one-liners (slogans perhaps) for a total of less than 70 words… should take only 25 seconds to read, but a lifetime to perfect… Luck is the residue of design (Branch Rickey) Don’t outsource network design Complexity is […]

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Shift Network Spend From Premium Products to Premium People

by Andrew Lerner  |  September 27, 2016

Being in charge of the enterprise network can be tough, as networking teams are constantly being asked to deliver new services to the business in reduced timeframes, and at lower costs. Further, based on our research, enterprises routinely overspend on networking technology, despite lower cost equipment being available with equivalent functionality. In addition, enterprise network professionals […]

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A New Chapter in Managed WAN Services

by Andrew Lerner  |  September 13, 2016

Outside of North America, most enterprise do not manage their own WAN edge devices. They rely on carriers, systems integrators (SIs) and managed service providers (MSPs) to manage their branch edge devices to a large extent. This is very different in North America where many enterprise do manage their own WAN equipment. Given all the […]

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Network Outages Described via 1980s Songs

by Andrew Lerner  |  September 6, 2016

Network outages have been in the news quite a bit lately, including Delta and Southwest (to the tune of $54 million) and last year it was NYSE, United and the WSJ.  We have research in the 2017 pipeline on avoiding network outages, but in the interim, here is a lighter take on network outages described via […]

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Magic Quadrant for Application Delivery Controllers, 2016

by Andrew Lerner  |  August 30, 2016

We just published the 2016 Magic Quadrant for Application Delivery Controllers (ADC), a market which many folks still refer to as load-balancers.  We evaluate 11 vendors that meet inclusion criteria including A10, Amazon Web Services, Barracuda, Brocade, Citrix, F5, KEMP, Microsoft, NGINX Inc., Radware, and Sangfor. I’ll cut straight to the chase: …the market is […]

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