Specifications

Wavelength Division Multiplexing
40 Continuous Access and Data Replication Manager SAN Extensions Reference Guide
Figure 7: Redundant WDM loop configuration using two (or more) long-haul fiber
links
Figure 8: Fully Redundant WDM loop configuration using two (or more) long-haul
fiber links
FC Switch A
FC Switch B
FC Switch Y
FC Switch Z
CXO7206C
Local site
Remote site
Link Redundancy:
duality
Cost: low-medium
ISL failure risk: high
WDM WDM
FC Switch A
FC Switch B
FC Switch Y
FC Switch Z
CXO7207B
WDM WDM
Local site
Remote site
WDM WDM
Link Redundancy:
fully redundant
Cost: high
ISL failure risk: lowest