SQL*Net/Net8, TNS, and the OSI Reference ModelApplication layerPresentation layerSession layerTransport, network, data link, and physical layersSQL*Net/Net8 ElementsConnection ScenariosBequeathed and Redirected ConnectionsHow a bequeathed connection is established on UnixHow a redirected connection is establishedExample: Connecting to a Multi-Threaded ServerExample: Connecting to a Prespawned Server Process