When communication endpoints are located on different computing nodes or on different single processes, the data produced using the local Domain Service must be communicated to the remote Domain Services and the other way around. The Networking Service provides a bridge between the local Domain Service and a network interface. Multiple Networking Services can exist next to each other; each serving one or more physical network interfaces. The Networking Service is responsible for forwarding data to the network and for receiving data from the network. There are two implementations of the networking service:
Source: OpenSplice Glossary