Tag: VPLS

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

(more…)

SONET / SDH

Sonet ( Synchronous Optical Networking)

• American National Standards Institute (ANSI)
• Used in US / Canada
• Synchronous transport signals (STS) used for speed

Synchronous Digital Hierarchy

• International Telecommunications union (ITU)
• Used everywhere expect US / Canada
• Synchronoous transport Modules (STM) used for speed)

(more…)