Layer 1 Interconnection

Layer1 mainly refers to DWDM one-layer network dedicated line, mainly applicable to the Pearl River Delta in China, Hong Kong and Singapore.

Layer 2 Interconnection

Layer2 refers to the Layer2 network dedicated line through the switching layer equipment, such as IPLC, DPLC, MSTP, etc., which is suitable for all covered nodes.

Global Internet DCI leased line topology