https://www.cisco.com/c/dam/en/us/solutions/collateral/data-center-virtualization/data-center-interconnect/at_a_glance_c45-493703.pdf

  • Types of Data Center Interconnections
    • Layer 1 DCI
      • Physical connection between Data Centers
        • Dark Fiber ( MetroE)
        • Fibrechannel
      • Not as flexible
    • Layer 2 DCI
      • Carrier appears as L2 Bridge
      • MPLS options
      • VPLS options
      • IP Mobility
    • Layer 3 DCI
      • IP Based connection
        • iSCSI
        • Routing
        • ATOMoGRE

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