Ethernet switches physically connect devices on a computer network. They regulate data flow through the network by performing packet switching. A network switch will only broadcast a message to the device that requests or needs it. Each device connected to a network switch can be identified using a MAC address. As the Ethernet switch manages data traffic, the network’s security and performance are enhanced. Managed network switches are linked in the Ethernet LAN, connecting individual segments while providing a range of configurable features. Switches that route packets are often referred to as multilayer switches.

Packet Switching for Traffic Management 

Designed for data transmission, packet switching is a network technology that divides a message into smaller units, called packets, for broadcasting to a destination. Since all of the packets contain the destination address, they can be routed along different network paths in response to traffic conditions. Network switches and routers can determine the optimal method for each data packet to travel from its source to a destination point. Then, a destination device will reassemble the packets in the proper sequence to recreate the original message. Packet-switching networks are used for voice and video applications. They are associated with a number of WAN technologies.

Switching Hubs Balance Loads

Switches may also be referred to as switching hubs or port-switching hubs. A conventional hub will transmit every packet to every port, based on the address. In contrast, a switching hub broadcasts individual packets only to the required port. This leads to improved network performance. Port-switching devices can also offer the benefit of load balancing for better traffic management.

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