A method and device for establishing network connection service and an automatically exchanging optical network

The invention claims a method for realizing network service are arranged, a automatic exchanging optical network, comprising: Causing the source of user side is provided with a request to the network connection service Su end user side; The network connection service's network node flute consulted between the control information plane's with the network connection service's network node safety alternating determining of nodes for supporting the network connection and network connection of service the network connection service from the user side to the network side protocol stack part; Network connecting service's network node flute and outlet node provided with the network connection and adaptation laminated configuration of said network connecting service achieve the network service are arranged. Moreover, the invention further claims a corresponding device. The invention has no need the manual configuration, capable of reducing time of the connection arranged, and used for connecting the transmission of the multi-service the multi-service delivery network state.