Your Customers Have a Network Documentation Problem. Here’s How to Recognize It.
By Fred Koh - October 21, 2026Your Customers Have a Network Documentation Problem. Here’s How to Recognize It. Five signs to listen for in hardware, fiber and data center conversations Consider a routine hardware conversation. A customer is planning to buy new switches. Before the installation can move forward, someone needs to confirm the available rack space, the patch-panel connections and…
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The Network Is New. The Documentation Problem Isn’t.
By Fred Koh -The Network Is New. The Documentation Problem Isn’t. A network modernization project can deliver new fiber, new equipment and a successful cutover—and still leave the next team struggling to answer a basic question: What connects to what? Consider a federal campus after a fiber modernization project. The new ring is installed. Equipment is configured. Connections…
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Your Fiber Map Shows the Route. Can Your Team Trace the Connection?
By Fred Koh - October 15, 2026Your Fiber Map Shows the Route. Can Your Team Trace the Connection? Five practical questions for DOE and laboratory teams planning changes to campus fiber Consider a routine request: a laboratory needs connectivity for a new project. The campus map shows fiber between the buildings. The route appears to be there. Before the team can…
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Cities Have a Fiber Problem. It Starts Before Anything Breaks.
By Fred Koh - October 6, 2026Cities Have a Fiber Problem. It Starts Before Anything Breaks. A city can own miles of fiber and still struggle to answer a basic question: What do we have, where is it, and what’s available? It isn’t only a mapping problem. It’s an infrastructure-management problem. The National Telecommunications and Information Administration (NTIA) has identified a…
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FAA Fiber Cut Disrupted Thousands of Flights.
By Fred Koh - September 24, 2026FAA Fiber Cut Disrupted Thousands of Flights. Where the Failure Chain Could Have Been Interrupted A severed backup fiber line and a failed primary communications circuit disrupted air travel across the Northeast US for hours. The sequence shows why physical route visibility matters—and BWI Airport offers a separate, real-world example of what that visibility looks…
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Before Your Next Utility Fiber Change, Can You Trace Every Circuit It Affects?
By Fred Koh - September 12, 2026Before Your Next Utility Fiber Change, Can You Trace Every Circuit It Affects? Suppose your utility needs to replace a splice enclosure along an existing fiber route. The location is mapped. The contractor has the work order. The maintenance window is on the calendar. Then someone asks: “Which communications circuits will this affect—and does the…
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Washington D.C. Metropolitan Area: Private Campus ISP & OSP Lunch & Learn
By Fred Koh - August 31, 2026Join us close to our headquarters in Maryland for a private small-group luncheon for higher-education IT, network, and infrastructure professionals. Managing campus inside plant and outside plant infrastructure gets more complicated as networks grow, buildings change, and new infrastructure is added. That’s why Graphical Networks is hosting a private Lunch & Learn focused on campus…
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Data Center Best Practices Guide
By Fred Koh - July 23, 2026Practical guidance for managing power, cooling, racks, cabling, capacity, and infrastructure documentation Data centers rarely become difficult to manage because of one major mistake. Usually, complexity builds gradually. More equipment gets added. Rack densities increase. Power and cooling requirements change. Cable pathways fill up. Temporary fixes become permanent. Documentation falls behind, and important information ends…
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netTerrain 10.2: More Control, Smarter Modeling, Easier Updates
By Jan Durnhofer - July 22, 2026netTerrain 10.2 is live. 10.2 introduces depth-aware rack and cabinet modeling, Butterfly Layout automation for manhole diagrams, easier circuit editing, direct strand-to-strand fusing, and improvements to IPAM, imports, link editing, device identification, table navigation, security, and PDF export. These updates help you document physical infrastructure, connectivity, fiber, and IP resources more accurately as your environment…
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Graphical Networks to Exhibit at DCF Trends 2026
By Fred Koh - July 21, 2026Graphical Networks will exhibit at DCF Trends 2026, taking place August 4–6, 2026, at the Hyatt Regency in Reston, Virginia. Stop by Booth #14 to see how netTerrain DCIM software helps data center teams document infrastructure, manage capacity, track assets and connectivity, and maintain a dependable system of record. As data centers grow in size,…
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The Hidden Cost of Undocumented Network Knowledge
By Fred Koh - June 12, 2026Most network teams don’t say: “We have an undocumented network knowledge problem.” They say: “Ask the person who installed it.” “It should be in the old Visio diagram.” “There’s a spreadsheet somewhere.” “Someone on the fiber team knows.” This “system” may work for a while—until that person is unavailable, retires, or leaves the organization. Then…
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How One Texas City Turned Fiber Guesswork into Street-to-Strand Clarity
By Fred Koh - May 8, 2026It’s Tuesday afternoon and an email from the city manager lands in your inbox: “We’re finalizing the new fire station’s backbone connection. Can you send over the strand map and available fiber paths by Thursday?” You open the shared drive. There’s a Visio from 2018, a spreadsheet that hasn’t been touched since the last contractor…
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