Router Examples: The 3 Network Devices You Need to Know

By Tibor Moes / Updated: June 2023

Router Examples: The 3 Network Devices You Need to Know<br />

Router Examples

Just as a traffic cop stands at the intersection, directing cars to their respective paths, a router plays a similar role in the digital world. It guides the internet traffic, ensuring that your online requests reach the right destination and return to you, keeping your digital life on track.


A router is a device that directs internet traffic. It connects networks, translating and guiding data from one network to another, ensuring your information reaches the right destination.

Example 1: ARPANET Interface Message Processor (1969). The granddaddy of all routers, the Interface Message Processor (IMP) was the first device of its kind. Installed in UCLA, it was designed to connect multiple networks in the ARPANET, the precursor to the internet.

Example 2: Cisco AGS Router (1986). As the first router developed by Cisco Systems, the Advanced Gateway Server (AGS) marked a big step in the evolution of network technology. It was a multi-protocol router that started Cisco’s journey to becoming a global leader in networking hardware.

Example 3:Google WiFi (2016). A modern-day mesh-router system, Google WiFi brought simplicity, performance, and aesthetic appeal to home networking. It provided seamless Wi-Fi coverage throughout a house, eliminating ‘dead zones’, proving that routers could be user-friendly, unobtrusive, and stylish.

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Router Examples In-Depth

ARPANET Interface Message Processor (1969)

The story of routing – the unseen force that guides our every internet move – begins with a metaphorical “traffic cop” known as the Interface Message Processor or IMP. Imagine taking a step back in time, to an era when the internet as we know it today was merely a twinkle in the eyes of visionary researchers. The year was 1969, and it was then that the first IMP came to life, paving the way for the digital superhighways of today.

In the most basic terms, the IMP was like the ‘master controller’ at an incredibly busy and complex train station, ensuring each data train arrived safely and correctly at its intended platform. And what a monumental task it was! Born out of the Advanced Research Projects Agency Network (ARPANET) project, it was the first device of its kind to help connect different computer networks, marking the dawn of the internet age.

But what exactly did this device do? Picture yourself writing a long, heartfelt letter to a dear friend. Now, instead of sending it all at once, you’d break it into smaller postcards, each carrying a portion of your message, and send them individually. The IMP worked in a similar fashion. It took ‘chunks’ of information, known as packets, from one computer and sent these packets along to their intended destination, either directly or via other IMPs.

The world’s first IMP was installed at UCLA, followed by the second one at the Stanford Research Institute. They exchanged a message, thus forming the first ever wide-area computer network. This was a monumental moment – the first simple ‘hello’ sent across a network!

Although IMPs may seem like a relic of the past in our modern, high-speed internet world, their legacy lives on in the routers we use today. Without the groundwork laid by the pioneering IMP, we might not have the seamless digital communication we now take for granted.

Just like how traffic cops evolved into sophisticated traffic signal systems, IMPs evolved into modern routers, which today handle an unfathomably large amount of data. The IMP served as the blueprint for these routers, guiding the growth of the internet from its humble beginnings to the intricate and all-encompassing web it is today.

So the next time you effortlessly stream a movie, remember to tip your hat to the humble IMP. It was the brave pioneer that started it all, ensuring that the data trains of yesterday could evolve into the lightning-fast information superhighways we navigate with ease today. Without it, who knows where we’d be in our digital journey?

Cisco AGS Router (1986)

Imagine being an explorer in the wilderness, trying to navigate an ever-changing landscape without a guide. It’s tough, isn’t it? This is how the landscape of networking seemed before the advent of multi-protocol routers. That was until Cisco Systems came along in 1986 and introduced the Advanced Gateway Server (AGS), lighting up the path for future network navigation.

The AGS was like the ‘Swiss Army Knife’ of the networking world. It didn’t just specialize in handling one type of traffic; it was multi-protocol, capable of understanding and routing various types of network protocols. Imagine having a translator who can speak not just one or two, but multiple languages fluently, facilitating smooth communication in a diverse group. That’s exactly what the AGS was to the digital world.

Before AGS, each network protocol (a set of rules for data communication) required a separate device to manage its traffic. It was as if each language spoken in the world needed its own post office! However, AGS, with its multi-protocol capabilities, was like a universal post office. It could handle the mail (data packets) of different languages (network protocols) at once, efficiently and reliably.

This leap in technology meant a revolution in network design. With the AGS, organizations could now build more diverse and complex networks, fostering improved communication and collaboration. Cisco, the creator of AGS, was soon to become a powerhouse in the networking world, with the AGS as its cornerstone.

The Cisco AGS was not just a product; it was a solution. It opened doors to more flexibility, reduced costs, and most importantly, better communication. It was akin to the construction of a complex highway interchange that allowed traffic from diverse roads to converge and diverge efficiently, minimizing congestion and maximizing the flow.

In today’s world, we may take for granted how effortlessly our devices communicate with each other, whether it’s a computer in the same room or a server halfway around the world. This fluid conversation between devices of all kinds can be traced back to innovations like the Cisco AGS.

From the smallest home networks to the expansive web of global internet connections, the principles and technology pioneered by the AGS continue to underpin our digital world. It’s an unsung hero, a foundation stone upon which the edifice of our interconnected world stands today. So next time when your data zooms across the internet, spare a thought for the mighty AGS, the ‘Swiss Army Knife’ of the digital wilderness.

Google WiFi (2016)

Let’s take a moment to consider how we enjoy Wi-Fi in our homes today. It’s as easy as flipping on a light switch, isn’t it? You may have experienced a time when Wi-Fi was only accessible in ‘hotspots’ around your home, a limitation that the advent of Google WiFi in 2016 aimed to change.

Think of Google WiFi as the master of ceremonies at a giant ballroom dance. Its job is to ensure all dancers (or data packets) find their partners (the right devices) smoothly and without interruption, no matter where they are in the room. In this grand dance of data, Google WiFi eliminates any ‘wallflowers’ – areas in your home that typically can’t get a good signal.

But how does it do this? Google WiFi introduced the concept of mesh networking to everyday homes. Imagine casting a net – a mesh net, to be exact – across your home. Each knot in the net is like a mini router, working together with the others to cover every nook and cranny of your home with robust Wi-Fi. This is what Google WiFi achieves through its multiple units that work in harmony, ensuring you get great coverage whether you’re in your attic, basement, or anywhere in between.

Not only did Google WiFi cover all corners of a home, but it was also incredibly user-friendly. Have you ever struggled with setting up a router, deciphering complex technical jargon, and feeling like you need to be a certified network engineer just to get online? Google WiFi put an end to that. It was designed to be managed by a simple mobile app, turning the complicated task of network management into a breezy, user-friendly experience.

And it wasn’t just the functionality that made Google WiFi stand out. Its design was a radical departure from the blinking-light-laden, antenna-studded boxes we were accustomed to. Google WiFi was a stylish, unobtrusive unit that wouldn’t look out of place on a bookshelf or coffee table, proving that routers could blend in with home decor.

Google WiFi marked a new era in home networking by making technology more accessible and visually pleasing. It made the internet feel like an essential utility, just like electricity or water, available seamlessly throughout the home. So next time you wander around your house video-chatting or streaming music without losing signal, take a moment to appreciate the leap forward that Google WiFi represented. It’s made the dance of data in our homes a waltz rather than a hurdle race.


As we navigate our way through the vast digital landscape each day, it’s easy to overlook the silent guides that direct our data’s every move. From the ARPANET’s IMP, paving the way for internet highways, to Cisco’s AGS, revolutionizing network communication, and finally to Google WiFi, making robust home networking a reality – routers have evolved to become the cornerstone of our connected world. They are the unseen conductors of our digital symphony, ensuring each note hits the right chord, each time. The next time you send an email, stream a video, or enjoy a seamless video call, remember the humble router that makes it all possible.

How to stay safe online:

  • Practice Strong Password Hygiene: Use a unique and complex password for each account. A password manager can help generate and store them. In addition, enable two-factor authentication (2FA) whenever available.
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  • Stay Informed. We cover a wide range of cybersecurity topics on our blog. And there are several credible sources offering threat reports and recommendations, such as NIST, CISA, FBI, ENISA, Symantec, Verizon, Cisco, Crowdstrike, and many more.

Happy surfing!

Frequently Asked Questions

Below are the most frequently asked questions.

What is a router and what does it do?

A router is a device that directs internet traffic. It’s like a traffic conductor, taking data from one network and guiding it to its destination on another network. It ensures that the data you send and receive goes where it needs to, whether that’s a webpage, your email inbox, or a video streaming service.

Why do we need routers?

Without routers, our internet devices wouldn’t know where to send data. Just as a post office sorts and directs letters to their intended addresses, routers sort and direct data packets to their correct destinations. They help create a stable and efficient network where data can travel quickly and accurately.

How have routers evolved over time?

Routers have come a long way since the first Interface Message Processor was installed in 1969. Early routers could only handle a single type of network traffic, but today’s routers can manage multiple types, thanks to advancements like the Cisco AGS in 1986. With the introduction of Google WiFi in 2016, routers have further evolved to offer seamless home coverage, merging simplicity with high performance. Today, routers are an indispensable part of any home or business network.

Author: Tibor Moes

Author: Tibor Moes

Founder & Chief Editor at SoftwareLab

Tibor is a Dutch engineer and entrepreneur. He has tested security software since 2014.

Over the years, he has tested most of the best antivirus software for Windows, Mac, Android, and iOS, as well as many VPN providers.

He uses Norton to protect his devices, CyberGhost for his privacy, and Dashlane for his passwords.

This website is hosted on a Digital Ocean server via Cloudways and is built with DIVI on WordPress.

You can find him on LinkedIn or contact him here.

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