Serial Attached SCSI (SAS)
A point-to-point serial protocol that moves data to and from such computer storage devices as hard
drives and tape drives.
service network
A private network that is dedicated to managing POWER8
connectivity among the FSP, CPC, HMC, and management server.
SMP
See symmetric multiprocessing (SMP).
Spanning Tree Protocol (STP)
A network protocol that ensures a loop-free topology for any bridged Ethernet local-area network.
The basic function of STP is to prevent bridge loops and the broadcast radiation that results from
them.
SSH
See secure shell (SSH).
STP
See Spanning Tree Protocol (STP).
symmetric multiprocessing (SMP)
A computer architecture that provides fast performance by making multiple processors available to
complete individual processes simultaneously.
T
TCP
See Transmission Control Protocol (TCP).
Transmission Control Protocol (TCP)
A core protocol of the Internet Protocol Suite that provides reliable, ordered, and error-checked
delivery of a stream of octets between applications running on hosts communicating over an IP
network.
V
VCD
See vdisk configuration data (VCD).
vdisk
A virtual disk.
vdisk configuration data (VCD)
Configuration data that is associated with a virtual disk.
X
xCAT
See Extreme Cluster/Cloud Administration Toolkit.
®
servers. Provides Ethernet-based
Glossary 89