| Broadening support for block storage, Chelsio’s Terminator Series (T4 and T5) adapters offer both partial and full offload of the FCoE protocol. Using an HBA driver, the full offload feature provides maximum performance as well as compatibility with SAN‐management software.
For customers that prefer to use a software initiator, Chelsio supports the Open‐FCoE stack and the adapters offload certain processing tasks, similar to iSCSI. However, unlike iSCSI, FCoE requires several Ethernet enhancements that are being standardized by the IEEE 802.1 Data Center Bridging (DCB) task group. To enable lossless transport of FCoE traffic, the adapters support Priority‐based Flow Control (PFC), Enhanced Transmission Selection (ETS), and the DCB exchange (DCBX) protocol. |
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