CApsMessageTransport

• Base type Enumeration

The type of transport used to exchange APS protocol messages. none There is no APS message exchange between the endpoints of the associated channels. autoSelect APS automatically selects a transport mechanism to send APS messages. The following transport mechanisms are attempted, in the following order of priority: - apsChannel - dcc - osc dcc APS messages are transmitted over the data communications channels (DCCs) in the overhead of the associated channels. apsChannel APS messages are transmitted in overhead bytes of the associated channels that are defined specifically to carry APS messages. ip APS messages are transmitted over IP. The IP network can consist of any combination of data communication channels (DCCs), optical supervisory channels (OSCs), and out-of-band Data Communication Networks (DCNs). osc APS messages are transmitted over the Optical Supervisory Channel (OSC).