When it comes to setting up a computer network, it’s crucial to have a good understanding of the various network equipment available. Two common types of network hubs are repeater hubs and shared hubs. In this article, we will provide an easy-to-understand explanation of what these hubs are and how they function.
Repeater Hubs:
A repeater hub, as the name suggests, is a type of network hub that functions by amplifying and regenerating signals. It is primarily used to extend the distance that signals can travel in a network. The main task of a repeater hub is to receive signals from connected devices, strengthen and clean the signals, and then transmit them to the intended recipients.
Think of a repeater hub as a relay station that boosts signals to overcome the limitations imposed by the distance between devices. By amplifying weak signals, repeater hubs ensure that information can reach devices situated far away. They act as signal repeaters, enhancing the overall network performance by eliminating potential signal degradation.
It is important to note that repeater hubs operate at the physical layer of the network protocol stack, which means they are transparent when it comes to higher-level network configurations. Their sole purpose is to amplify and transmit signals, without any advanced network management capabilities.
Unlike repeater hubs, shared hubs are designed to distribute signals to multiple connected devices. Shared hubs function as a central point where devices can connect to the network and communicate with each other. They are often used in small local area networks (LANs) where devices need to share resources and information.
Shared hubs operate at the physical layer of the network as well, just like repeater hubs. However, their primary functionality is slightly different. When a device sends a signal to a shared hub, the hub replicates the signal and forwards it to all connected devices. This allows all devices connected to the shared hub to receive the transmitted signal.
It’s important to note that shared hubs operate in a half-duplex mode, meaning that they can either send or receive data, but not both at the same time. This can potentially lead to collisions and decreased network performance in situations where multiple devices try to transmit data simultaneously.
To summarize, repeater hubs amplify and regenerate signals, extending the distance they can travel, while shared hubs act as central points for device connection and signal distribution. Both types of hubs have their own limitations and specific use cases. Understanding the differences between them can help in setting up and maintaining an efficient and reliable network infrastructure.
Sources:
– Network Hubs: A Comprehensive Guide (https://www.cloudflare.com/learning/network-layer/introduction-to-network-hubs/)
– Understanding Hubs, Switches, and Routers (https://www.cox.com/business/support/understanding-hubs-switches-and-routers.html)
– Network Hubs Explained (https://www.firewall.cx/general-topics-reviews/analytical/686-network-hubs-explained.html)
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