In doing so, it learns which devices are connected to which ports. Rather than blindly passing along data to all devices in a network, an industrial switch records the addresses of the connected devices. Perhaps the biggest difference between a hub and a switch is the way that it delivers data packets. Essentially, a switch is a more efficient, more intelligent version of a hub. What is a Switch?Ī networking switch is a type of hardware that uses packet switching to receive and forward data to its intended destination within a network or multiple networks. While they have often been used as a quick and easy way to connect a small network, they are becoming increasingly replaced by switches. In comparison to routers and switches, a hub is the least complex and least expensive device. As such, all connected devices will receive the response and must determine whether they should accept it or not. The hub does not have any capability to distinguish which port it should send a data packet to. When a single port in the hub responds, all other ports will also receive the response. It works by receiving packets that arrive at one of its multiple ports, copying the packets, and sending them to its other ports so that all LAN segments can see the data. What is a Hub?Ī hub is a type of device that’s commonly used as a connection point for various devices in a Local Area Network (LAN) on a computer network. Below, we provide a simple guide on the difference between a hub, switch, and router to help you better understand their dissimilarity. The functions and uses of these devices are all very different from one another. In some cases, the terms may even be used interchangeably, though this is incorrect. Because they are often integrated into a single device, it can be challenging to understand the distinction between these items. Hubs, switches, and routers are all common types of devices to help connect a network.
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