FIELD: radio engineering, communication.
SUBSTANCE: optical network requires the formation of a label switched path; the label is formed according to the signal type of the label switched path and network resources. The label is used for indicating that a first optical channel data unit is multiplexed to a second optical channel data unit; the label comprises a tributary slot type indication field used for indicating a tributary slot type of the second optical channel data unit, and the label further comprises a tributary slot assignment indication field used for indicating a tributary slot occupied in the second optical channel data unit into which the first optical channel data unit is multiplexed; and the label is sent to a node on the label switched path by a signalling message of General Multi-Protocol Label Switching.
EFFECT: high transmission channel capacity.
15 cl, 15 dwg
