Qlogic Storage Networking (Unified Fabric Pilot) Guide d'installation télécharger pdf (Page 70)

B–Data Center Bridging Technology

Data Center Bridging (DCB)

B-4 51031-00 A

iSCSI

The Internet Small Computer Systems Interface (iSCSI) is a SCSI mass storage

transport that operates between the Transport Control Protocol (TCP) and the

SCSI Protocol Layers. The iSCSI protocol is defined in RFC 3720 [iSCSI], which

was finalized by the Internet Engineering Task Force (IETF) in April, 2004. A

TCP/IP connection ties the iSCSI initiator and target session components

together. Network portals identified by their IP address and TCP port numbers

define the endpoints of a connection. iSCSI is by nature, a lossless storage

network because inherent in iSCSI's design is recovery from dropped packets on

over-subscribed, heavy network traffic patterns. iSCSI relies on TCP/IP (or SCTP)

for the retransmission of dropped Ethernet frames.

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Qlogic Storage Networking (Unified Fabric Pilot) Guide d'installation Page 70