Appendix A: Glossary - HP 4X - DDR InfiniBand Mezzanine HCA Using Manual

Appendix A: Glossary

The following table lists InfiniBand-related acronyms and abbreviations used in this document.
Table 1. Acronyms and abbreviations
Acronym or abbreviation
API
DDR
GbE
HCA
HPC
IB
IP
IPoIP
iSER
iWARP
MPI
NFS
NHP
QDR
QSFP
RDMA
RDS
SATA
SAS
SDP
SDR
SM
SRP
TCA
TCP
TOE
ULP
VNIC
Description
Application Programming Interface: software routine or object written in support of a language
Double Data Rate: for InfiniBand, clock rate of 5.0 Gbps (2.5 Gbps x 2)
Gigabit Ethernet: Ethernet network operating at 1 Gbps or greater
Host Channel Adapter: hardware interface connecting a server node to the IB network
High Performance Computing: the use of computer and/or storage clusters
InfiniBand: interconnect technology for distributed computing/storage infrastructure
Internet Protocol: standard of data communication over a packet-switched network
Internet Protocol over InfiniBand: protocol allowing the use of TCP/IP over IB networks
iSCSI Enhanced RDMA: file storage protocol
Internet Wide Area RDMA Protocol: protocol enhancement allowing RDMA over TCP
Message Passing Interface: library of calls used by applications in parallel compute systems
Network File System: file storage protocol
Non Hot Pluggable (drive)
Quad Data Rate: for InfiniBand, clock rate of 10 Gbps (2.5 Gbps x 4)
Quad Small Form factor Pluggable: interconnect connector type
Remote Direct Memory Access: protocol allowing data movement in and out of system memory
without CPU intervention
Reliable Datagram Sockets: transport protocol
Serial ATA (hard drive)
Serial Attached SCSI (hard drive)
Sockets Direct Protocol: kernel-level RDMA-based protocol
Single Data Rate: for InfiniBand, standard clock rate of 2.5 Gbps
Subnet Manager: management software for InfiniBand network
SCSI RDMA Protocol: data movement protocol
Target Channel Adapter: hardware interface connecting a storage or I/O node to the IB
network
Transmission Control Protocol: core high-level protocol for packet-based data communication
TCP Offload Engine: accessory processor and/or driver that assumes TCP/IP duties from
system CPU
Upper Level Protocol: protocol layer that defines the method of data transfer over InfiniBand
Virtual Network Interface Controller: software interface that allows a host on an InfiniBand
fabric access to nodes on an external Ethernet network
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