A customer needs to configure SRDF/S between two sites 10 km apart. The customer connected the R1 ports to fabric-A at site 1 and the R2 ports to fabric-B at site 2. The customer does not want to merge the two fabrics between sites.
What is the recommended solution?

A.
Implement FC routing or Virtual SAN to isolate the fabric

B.
Implement FCIP connection to isolate the fabric

C.
Merge two fabrics, and zone R1 and R2 ports.

D.
Connect the RDF ports using DWDM or SONET.