IP SAN emerges after FC SAN and SAN refers to FC SAN by default. FC SAN uses Fibre Channel for networking and IP SAN uses the IP protocol for networking. IP SAN is more cost-efficient and flexibly scalable than FC SAN. As IP SAN is based on mature Ethernet with easy configuration and low costs, servers or PCs can access and share large-capacity storage space as long as they have NICs. Because IP SAN is based on the IP protocol and can accommodate all components in the IP protocol network, users can create an actual SAN network anywhere they want without the need for a dedicated Fiber Channel network to transfer data between servers and storage devices. In addition, data can be transmitted over Ethernet as IP SAN uses standard TCP/IP, breaking the limit of transmission distance. IP SAN is a good choice of the customers who have a tight budget and the scenarios that have moderate service traffic.

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