Understanding How Network Bridges Work
To understand the working of bridges we can say that they work on the layer 2 switching and are used to connect to more segments of networks. The bridges only analyse the MAC address of the connected devices on the network, which makes their operation simple and efficient. For example, during operation when a bridge receives a frame from a device that is connected to one network segment, the bridge reads the MAC address and checks whether the destination address is on the same network segment or net. If it is the same, then the bridge does not forward the frame, however, if it is different the bridge forwards the frame to that segment.
This ability of bridges to read the MAC addresses and forward frames enables them to divide a network into a lot of segments. This division of the network into multiple segments significantly enhances the performance by reducing the collins of traffic.
Common Types of High-Performance Network Bridges
The types of bridges vary depending upon the basis of categorization, but for the sake of simplicity, let’s discuss the commonly used types:
Ethernet bridges: Ethernet bridge adapters are used to connect multiple Ethernet networks. They are also the most commonly used type in households and businesses. They work on the layer 2 OSI and are a cheap option for connectivity.
Wireless bridges: They are similar to the Ethernet bridges but, instead of connecting wired networks, these bridges are used to connect wireless networks.
Bridge routers: Basically, this type is a combination of a bridge and router. A differentiating feature of these bridges is that they work on both Layer 2 and Layer 3 of the operating system. Their main function is to route traffic efficiently between networks that use different protocols.
Bridge adapters: Fundamentally, a bridge adapter is used to connect two computer networks together so that they can act as a single network. The bridge adapters extend local area networks (LANs) to cover a larger physical area than the LAN can reach.
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