.SAN design reference guide Vol. 1-5 785350-001

TR Transparent router. A routed fabric feature that provides inter-fabric routing, allowing controlled

and limited access between devices on an H-series switch (local) fabric and devices on a remote

fabric of other vendor switches.

TSID Target session ID.

UA User Agent. An iSCSI software component.

unified fabric IEEE DCB enabled network (Cisco).

VAR Value-added reseller.

VC-Enet Virtual Connect Ethernet. A hardware component of HP Virtual Connect.

VC-FC Virtual Connect Fibre Channel. An optional Fibre Channel interconnect module for HP BladeSystem

c-Class servers.

VCS Virtual Controller Software. The software that runs in the HSV controller-based Enterprise Virtual

Array GL model storage systems.

VFC Virtual Fibre Channel.

VIO Versatile I/O.

VLAN Virtual logical area network.

VLS Virtual Library System.

VM Virtual machine.

VOQ Virtual output queuing. A C-series feature used for nonblocking architecture.

VOS Virtual operating system.

VPN Virtual private network.

VSAN Virtual storage area network. A logical SAN partition that can be configured and managed

independently.

VSM Virtualization Services Manager. Performs functions such as management and configuration of

the SVSP as well as data copy features (migration, clone and async replication).

VSS Volume Shadow Copy Service. Microsoft software used to make snapshots.

WDM Wavelength division multiplexing. The technique of placing multiple optical signals on a single

optical cable simultaneously.