Abstract .............................................................................................................................................. 2
Introduction ......................................................................................................................................... 2
InfiniBand technology ........................................................................................................................... 4
InfiniBand components ...................................................................................................................... 5
InfiniBand software architecture ......................................................................................................... 5
MPI ............................................................................................................................................. 7
IPoIB ........................................................................................................................................... 7
RDMA-based protocols .................................................................................................................. 7
RDS ............................................................................................................................................ 8
InfiniBand hardware architecture ....................................................................................................... 8
Link operation .................................................................................................................................. 9
Scale-out clusters built on InfiniBand and HP technology ......................................................................... 11
Conclusion ........................................................................................................................................ 13
Appendix A: Glossary ........................................................................................................................ 14
For more information .......................................................................................................................... 15
Call to action .................................................................................................................................... 15
Using InfiniBand for a
scalable compute infrastructure
technology brief, 3
rd
edition
