High Quality Content by WIKIPEDIA articles! Bandwidth pooling is used in network switches to optimize the use of network resources. It allows switch processing cards to be shared by physical interface cards. This innovation frees switch resources that would otherwise be stranded when lower-rate interface cards are deployed in an aggregation switch.Bandwidth pooling is used in computer and mobile phone networks. A network switch or switching hub is a computer networking device that connects network segments. The term commonly refers to a network bridge that processes and routes data at the data link layer (layer 2) of the OSI model. Switches that additionally process data at the network layer (layer 3 and above) are often referred to as Layer 3 switches or multilayer switches.

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