What is a Router? – Work, Types, and More

What is a Router?

A router receives and sends information on computer networks. Routers are occasionally confused with network hubs, modems, or network switches. However, routers can combine the roles of these components and connect with these components to improve Internet access or help create a business network.

How does a Router Work?

Routers guide and direct network data using packets that hold various data types, such as files, communications, and simple transmissions such as web interactions.

Data packets have multiple layers or sections; one carries recognizing information, such as sender, data type, size, and the destination IP (Internet Protocol) address. The Router reads this sheet, prioritizes the data, and chooses the best path for each transmission.

How do Routers Help your Business?

A standard tool for modern network computing, routers connect employees to local networks and the Internet, where nearly all essential business activities occur. Without routers, we wouldn’t be capable of using the Internet to cooperate, communicate, or collect information and learn.

Routers can also provide security. Built-in content filtering and firewall software provide additional protection against unwanted content and malicious websites without affecting your online experience. However, a router is not only used for data transmission or Internet connections. For example, most routers allow you to connect hard drives and use them as file-sharing servers or printers that all network users can access.

Business Router Vs. Home Router


Business routers have more stable and faster performance in the central processing unit (CPU) than home routers. Also, there may be a power outage; the flash memory will automatically save your content when the Router is powered off or rebooted. The greater the capacity of your Router’s flash and RAMs, the easier it will be to expand your network, and in this case, business routers have more power. They also tend to have more RAM space, which improves data throughput, resending frequency, and even speed.


Since it supports fewer protocols, the home router generally does not support defence against internal and external attacks, such as viruses, Trojans, and hacker intrusion. Furthermore, security is not guaranteed at all. Instead, enterprise routers have more routing protocols ( SNMP, policy-based routing, a unified management protocol, etc.) that work to ensure secure network operation and prevent user data theft. Home routers are suitable for austere network environments. Still, business network environments are complex and need more powerful business routers to meet their needs more WAN interfaces, more bandwidth and load balancing, flexible flow control, a higher number of connections, VPN applications, etc.

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Types of Router

primary Router

Primary routers are typically used by service providers (i.e. AT&T, Verizon, Vodafone) or cloud providers (i.e. Google, Amazon, Microsoft). They provide the maximum bandwidth to connect additional routers or switches. Most businesses don’t need core routers. But huge companies with many employees working in multiple buildings or locations may use core routers as part of the network architecture.

Perimeter Router

A perimeter router also called a gateway router or “gateway”, is the outermost connection point of your network to external networks, including the Internet.

Edge routers are bandwidth optimize and design to connect to other routers to distribute data to end-users. Edge routers typically don’t offer wifi or the ability to manage local networks fully. They usually only have Ethernet ports, an input to connect to the Internet and several outputs to connect other routers.

The terms perimeter and the modem is used almost interchangeably, although the latter term is no longer often used by manufacturers or IT professionals to refer to perimeter routers.

Distribution Router

A distribution or interior router receives data from the edge router (or gateway) over a wired connection. Then, it sends it to end-users, typically over wifi, although the Router often includes physical (Ethernet) connections. For example, to connect additional users or routers.

Wireless Router

Wireless routers or domestic gateways combine the functions of perimeter routers and distribution routers. These routers are standard in home networks and for Internet entrance.

Most service providers offer full-featured wireless routers as standard equipment. Although you can use the ISP’s wireless Router in your small business, you may prefer to use an enterprise-grade  to take advantage of better wireless performance, tighter connectivity controls, and security.

Virtual Router

Virtual routers are software programs that allow you to virtualize some router functions in the cloud to provide them as a service. These routers are perfect for large businesses with complex networking needs. They offer flexibility, simple scalability, and a lower cost of entry. Another advantage of virtual routers is reducing the local network hardware management burden.

How can I Extend the Wi-Fi of My Router?

There are several ways to extend Wi-Fi. You can choose to set up a Wi-Fi extender to extend the range or upgrade your wireless device; also, make sure you place your wireless Router and access point in the right place. In addition, you can set up a wireless distribution system (WDS) or create a wireless mesh network in enterprise environments.


A router is a networking device that forward data packets between computer networks. Routers perform the traffic directing functions on the Internet. Data sent through the Internet, such as a web page or email, is in the form of data packets.

Also Read: What is Green Marketing? – Advantages, Disadvantages, and More

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