About Fred Koh

As a seasoned sales executive, Fred Koh serves as Director of Sales and is responsible for Graphical Networks sales and channel partner program, marketing strategy, and operations.

Need Layer 2 Network Diagrams?

Need Layer 2 Network Diagrams?

By - September 1, 2021

I just wrote an article that gives you a checklist to run down before you purchase automated network mapping software (you can read it here). One of the items mentioned in this checklist is the need for Layer 2(L2) discovery. By Layer 2 discovery, I mean: how are network devices connected to each other? A…

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The Automated Network Mapping Software Checklist

The Automated Network Mapping Software Checklist

By - August 27, 2021

Before you buy automated network mapping software (software that helps network operations to understand all the devices on a network and how they are interconnected through network discovery), you typically go through the process of making sure you really need it, make the case to the bosses upstairs that they really need to fund it,…

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DCIM Software? Your Expectations vs. Reality

DCIM Software? Your Expectations vs. Reality

By - August 16, 2021

If you read some of the Data Center Infrastructure Management (DCIM) vendor’s descriptions of DCIM software, you could be tricked into thinking DCIM is as seamless and easy as slipping on a pair of Google glasses and bam: you’re immediately slash power costs, planning for capacity by clicking a button, and gaining control of the…

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Convince Your Boss You Need Network Diagrams with 5 Statistics

Convince Your Boss You Need Network Diagrams with 5 Statistics

By - August 12, 2021

Do you manage the network? Is relying on Visio and spreadsheets driving you crazy? Know you need network diagrams but you’ve got to make a strong case to the bosses upstairs? If just promising them that you’ll get more done, reduce downtime, meet Service Level Agreement (SLAs), lessen the burden of overtime, and keep crucial…

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Why Don’t You Publish Your Software Pricing?

Why Don’t You Publish Your Software Pricing?

By - July 26, 2021

When exploring purchasing software, whether it’s looking for a network diagram tool, a Data Center Infrastructure Management (DCIM) software, or Outside Plant (OSP) software, one of the first things that crosses people’s mind is…how much does your software cost? We don’t publish our prices online because the cost is based on two things: what do…

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Got Fiber Plant Diagrams?

Got Fiber Plant Diagrams?

By - July 20, 2021

During the intervening years since we first launched netTerrain Outside Plant (OSP) — it’s an add on module to netTerrain Logical or netTerrain DCIM — we’ve fielded many questions about the type of GIS-enabled maps that netTerrain supports as well as netTerrain’s ability to import existing maps/diagrams. What’s netTerrain OSP (Outside Plant Software)? First, what’s…

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Beavers vs. Your Outside Plant

Beavers vs. Your Outside Plant

By - July 16, 2021

When we first saw this news story back in April of this year, we said, “we have to write a blog about this.” What’s it about? Well, you probably “wood”n’t believe it, but: beavers caused some massive headaches in a Canadian town. Yes: beavers. If you’re new to working on the outside plant, that may…

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Need to Replace Your DCIM Software?

Need to Replace Your DCIM Software?

By - July 14, 2021

Using a Data Center Infrastructure Management (DCIM) solution? Whether it’s something free (like OpenDCIM) or something you paid for, there may come a time when you decide you need something that your current DCIM solution doesn’t offer, or if your DCIM vendor has moved on to focus on other products and is not supporting its…

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Outdated Hardware/Software Headaches? Network Diagrams/DCIM Can Help

Outdated Hardware/Software Headaches? Network Diagrams/DCIM Can Help

By - July 9, 2021

In 2016, Dimension Data released their then-annual Network Barometer Report which showed that 42% of network devices were either outdated or aging. While this statistic is a few years old, I doubt the numbers have radically changed since then. It’s all too easy for software and hardware to become outdated…but the price you pay for…

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DCIM’s Impact on Data Center Efficiency: 2010 vs. 2021

DCIM’s Impact on Data Center Efficiency: 2010 vs. 2021

By - June 28, 2021

Lately, we’ve written a few blogs about how data center infrastructure management (DCIM) software helps data centers achieve greater efficiency which made me think, it would be interesting to look at where we started over a decade ago and where we are today. Did you work in data centers ten years ago? What changes have…

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Network Documentation: Do You Really Need the Bells & Whistles?

Network Documentation: Do You Really Need the Bells & Whistles?

By - June 24, 2021

One of my employees recently forwarded me a Reddit comment thread about network documentation. The original poster asked: what’s good for documentation software? A Redditor name-dropped a big name company in network documentation software and said “don’t buy it.” They went on to describe having been promised many great things to come out of the…

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2021’s IT Hardware Shortage: How DCIM Software Can Help

2021’s IT Hardware Shortage: How DCIM Software Can Help

By - June 16, 2021

It’s been a difficult year and a half….well, that’s an understatement. The explosion in demand for new tech to accommodate the sudden shift to remote work, the shuttering of factories, and the process of restarting these factories and opening up the supply chain again has led to the current silicon chip shortage. Now, as the…

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