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Oliver Buchannon
Leonardo Furtado

30+ years building networks. Now helping engineers do it better, faster, and with intent.

Careers at FAANG

Your Configs Are Fine, Your State Is Not: A Practical Guide to Inconsistent Network State – Part 1

Apr 13, 2026

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25 min read

Your Configs Are Fine, Your State Is Not: A Practical Guide to Inconsistent Network State – Part 1

How hyperscale teams compare intent vs reality, validate control and data planes, and build reconciliation loops so silent inconsistencies don’t become outages.

Leonardo Furtado
Leonardo Furtado

Network Automation

[IBN] Modeling Intent: The Data Models That Don’t Collapse at Scale

Apr 10, 2026

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13 min read

[IBN] Modeling Intent: The Data Models That Don’t Collapse at Scale

What intent actually looks like in a real repo, without turning into “config templates in YAML”

Leonardo Furtado
Leonardo Furtado

Career Growth

Letting the Badges Expire, Keeping the Bar High

Apr 6, 2026

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14 min read

Letting the Badges Expire, Keeping the Bar High

What continuous learning really looks like, and why CCDE became a strategic tool instead of another line on a CV.

Leonardo Furtado
Leonardo Furtado

Network Automation

[IBN] What “Intent-Based Networking” Actually Means

Apr 3, 2026

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14 min read

[IBN] What “Intent-Based Networking” Actually Means

And the components you must have (not just the ones vendors put on slides)

Leonardo Furtado
Leonardo Furtado

Network Automation

JSON Bourne: A Field Guide to JSON for Network Engineers

Mar 30, 2026

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17 min read

JSON Bourne: A Field Guide to JSON for Network Engineers

What JSON is, how it actually works, and how to use it as the lingua franca of modern network automation.

Leonardo Furtado
Leonardo Furtado

Career Growth

From Pyramid to Obelisk: Why Killing Junior Roles Destroys Your Future Talent

Mar 27, 2026

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11 min read

From Pyramid to Obelisk: Why Killing Junior Roles Destroys Your Future Talent

The market wants “ready-made” engineers, but without apprentices, there is no succession, no innovation, and no sustainable career path.

Leonardo Furtado
Leonardo Furtado

Career Growth

Tenets for NetDevOps: How Principles Turn Network Engineers into Leaders

Mar 23, 2026

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13 min read

Tenets for NetDevOps: How Principles Turn Network Engineers into Leaders

Why “Security First” and “Simplicity Over Complexity” aren’t posters for the wall, but operating rules that shape your decisions, your team, and your career.

Leonardo Furtado
Leonardo Furtado

Network Automation

When the Network Sneezes, the Business Bleeds

Mar 16, 2026

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19 min read

When the Network Sneezes, the Business Bleeds

Why manual changes and ad-hoc scripts are no match for the financial, operational, and human cost of modern network failures, and how to build a software-centric automation strategy instead.

Leonardo Furtado
Leonardo Furtado

Network Automation

Beyond Scripts: Rethinking Network Automation as a Software System

Mar 9, 2026

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17 min read

Beyond Scripts: Rethinking Network Automation as a Software System

What hyperscale engineers figured out 15 years ago—and how you can apply the same mindset without needing hyperscale traffic.

Leonardo Furtado
Leonardo Furtado

Career Growth

Beyond the Algorithm: Building a Career Platform That Doesn’t Depend on LinkedIn

Mar 6, 2026

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14 min read

Beyond the Algorithm: Building a Career Platform That Doesn’t Depend on LinkedIn

How to use social media—LinkedIn included—to attract real opportunities, without turning yourself into Darth Vader, LORD.

Leonardo Furtado
Leonardo Furtado

Career Growth

If You Can’t Explain the Value, You Didn’t Finish the Work

Mar 2, 2026

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17 min read

If You Can’t Explain the Value, You Didn’t Finish the Work

Why mastering technology is only half your job, and how to translate your impact into business language that actually lands.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Leaving Amazon (or Any FAANG)? Here’s What No One Tells You About Life After the Badge

Feb 23, 2026

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18 min read

Leaving Amazon (or Any FAANG)? Here’s What No One Tells You About Life After the Badge

Why everything feels slower, messier, and smaller, and how to turn your FAANG experience into a superpower instead of a personality trait.

Leonardo Furtado
Leonardo Furtado

Network Security

Trust Me, Bro: The 1980s BGP Trust Model Running the 2026 Internet

Feb 20, 2026

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20 min read

Trust Me, Bro: The 1980s BGP Trust Model Running the 2026 Internet

Why our tools are strong on paper, weak in deployment, and how operators can change that.

Leonardo Furtado
Leonardo Furtado

Architecture and Design

House of Quality for Networks: Turning Requirements into Real Architectures – Part 4

Feb 16, 2026

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24 min read

House of Quality for Networks: Turning Requirements into Real Architectures – Part 4

Putting it all together, along with Bake-Offs, Pilots, and Reality Checks.

Leonardo Furtado
Leonardo Furtado

Architecture and Design

House of Quality for Networks: Turning Requirements into Real Architectures – Part 3

Feb 9, 2026

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20 min read

House of Quality for Networks: Turning Requirements into Real Architectures – Part 3

How real engineers compare technologies without falling for hype.

Leonardo Furtado
Leonardo Furtado

Architecture and Design

House of Quality for Networks: Turning Requirements into Real Architectures – Part 2

Feb 6, 2026

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26 min read

House of Quality for Networks: Turning Requirements into Real Architectures – Part 2

A practical framework for choosing protocols, architectures, and network gear.

Leonardo Furtado
Leonardo Furtado

Architecture and Design

House of Quality for Networks: Turning Requirements into Real Architectures – Part 1

Feb 2, 2026

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26 min read

House of Quality for Networks: Turning Requirements into Real Architectures – Part 1

A requirements-first approach to choosing routers, firewalls, fabrics, and services that actually fit your network.

Leonardo Furtado
Leonardo Furtado

Career Growth

Onboarding Isn’t Admin Work

Jan 26, 2026

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14 min read

Onboarding Isn’t Admin Work

How those first 90 days can make—or quietly break—your engineering career

Leonardo Furtado
Leonardo Furtado

Career Growth

Stop Laughing at AI: How It’s Actually Coming for Network Jobs (and What to Do About It)

Jan 19, 2026

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20 min read

Stop Laughing at AI: How It’s Actually Coming for Network Jobs (and What to Do About It)

Myths, real risks, and practical ways to use AI instead of being replaced by it.

Leonardo Furtado
Leonardo Furtado

Architecture and Design

When BGP Grows Up

Jan 16, 2026

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19 min read

When BGP Grows Up

Convergence, MRAI, and control-plane redesign at hyperscale

Leonardo Furtado
Leonardo Furtado

Career Growth

Engineering Blindfolded

Jan 12, 2026

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15 min read

Engineering Blindfolded

How serious engineers frame problems before choosing tools

Leonardo Furtado
Leonardo Furtado

Career Growth

Before You Clap Back: Curiosity as a Career Strategy

Jan 5, 2026

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9 min read

Before You Clap Back: Curiosity as a Career Strategy

Empirical and tacit knowledge vs. new ideas, and don’t let your experience trap you

Leonardo Furtado
Leonardo Furtado

Architecture and Design

Your Network Doesn’t ‘Agree’ on Anything: A Realistic View of Convergence

Dec 29, 2025

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17 min read

Your Network Doesn’t ‘Agree’ on Anything: A Realistic View of Convergence

What network convergence really is (and isn’t)

Leonardo Furtado
Leonardo Furtado

Network Automation

High Availability for Network Automation Systems

Dec 27, 2025

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13 min read

High Availability for Network Automation Systems

Why your controller is not the network... until it is, during an incident

Leonardo Furtado
Leonardo Furtado

Career Growth

Shipping v[Age].0 – Using birthdays as intentional version bumps for your life and work

Dec 22, 2025

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15 min read

Shipping v[Age].0 – Using birthdays as intentional version bumps for your life and work

From ‘Been There, Done That’ to ‘What’s Next?’: A senior engineer’s birthday ritual

Leonardo Furtado
Leonardo Furtado
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The Routing Intent
by Leonardo Furtado

Where network engineering meets clarity, scale, and purpose.

© 2026 The Routing Intent by Leonardo Furtado.
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