= IBM Advanced Peer-to-Peer Networking
{wiki=IBM_Advanced_Peer-to-Peer_Networking}
IBM Advanced Peer-to-Peer Networking (APPN) is a networking architecture and set of protocols designed to facilitate communication between devices in a decentralized and efficient manner. It is particularly prominent in IBM's mainframe and midrange computing environments, where it enables multiple devices to communicate with each other without relying solely on a central mainframe for routing and data transfer.
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