This article starts with the analysis of the characteristics of remote disaster recovery and the related problems
which is followed by the description of the Fiber Channel Storage Area Network(FC SAN) technology and the usage of the server cluster in remote disaster recovery
and a detailed discussion on the transmissions among different subnets of FC SAN by using the Multi-Service Transport Platform(MSTP) and Coarse Wave Division Multiplexer(CWDM) technology.It ends with the presentation of a comprehensive application-level remote disaster recovery solution.