Glossary

B

BoIB

Boot over InfiniBand.

I

IB

InfiniBand. A switched fabric communications link primarily used in high-performance computing.

IB-HCA

InfiniBand Host Channel Adapter.

IBTA

InfiniBand Trade Association.

IPoIB

Internet Protocol over InfiniBand.

Q

QDR

Quad data rate. A communication signaling technique wherein data is transmitted at four points in the clock cycle.

QSFP+

Quad small form-factor pluggable. An interconnect system for the I/O ports. QSFP supports Ethernet, Fibre Channel, InfiniBand, and SONET/SDH standards. QSFP+ transceivers support Serial Attached SCSI, 40G Ethernet, 20G/40G Infiniband, and other standards. QSFP modules increase the port-density by three to four times, compared to SFP+ modules.

R

RoHS

European Union Restriction of Hazardous Substances.

S

SerDes

Serializer/Deserializer. A pair of functional blocks used in high-speed communications to compensate for limited input/output.