HP Surestore E Tape Library Model 2/20 HP SureStore E Tape Library Models 2/20 - Page 206
Connection Topologies, Appendix C, Fibre Channel Technology
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Table C-1 Introduction to Fibre Channel Fibre Channel Technology Connection Topologies Fibre Channel uses three connection topologies, which are described in the table below. Fibre Channel Topologies Topology Description Advantages/ Disadvantages Point to point Two devices connected directly together. • Low cost, high performance. • Limited topology (only allows two devices). Fibre Channel Arbitrated Loop (FC-AL) Connects up to 127 devices through one or more Fibre Channel hubs. Loops can be private or public. Private loops are not connected to a fabric. Public loops are connected to a fabric. • Supports more devices than point-to-point. • Limits the combined data transfer rate to 100 MBps. Fabric (FC-SW) Supports up to 16 million devices connected through a series of fabric switches, similar to an Ethernet network. • Supports multiple devices without limiting performance. • High cost per port. C- 8 Appendix C