Data Center Interconnect. The act of interconnecting two or more data centers.

This tag should be used for anything directly related to Data Center Interconnect from general design and best practice questions to detailed configuration questions.

Some example technologies used in DCI are Dark Fibre, Coarse Wavelength-Division Multiplexing (CWDM), Dense Wavelength-Division Multiplexing (DWDM), Virtual Private LAN Service (VPLS) and Multi-Protocol Label Switching Virtual Private Networks (MPLS VPNs).