The end system interface refers to the communication link between an end system (such as a computer or a mobile device) and the network. Its function is to facilitate the exchange of data and control signals between the end system and the network.
One example of the end system interface is the Ethernet port found on a computer's network card. This interface allows the computer to connect to an Ethernet network, enabling data transfer between the computer and other devices on the network. Through this interface, the computer can send data packets to the network for transmission and receive incoming packets from the network.
Another example is the interface provided by a mobile phone's cellular network. When a mobile phone communicates with a cellular network, it uses specific protocols and interfaces to establish and maintain connections. These interfaces allow the phone to initiate and receive calls, send and receive text messages, and access data services provided by the network.
In both examples, the end system interface provides a standardized and compatible way for the end system to interact with the network. It defines the rules, protocols, and physical connections necessary for the end system to communicate effectively and efficiently with the network infrastructure.
Using suitable examples, briefly explain the function of end system interface
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