AB291A Fabric Clustering System Support Guide (12-port Switch), April 2004

Table Of Contents
Chapter 1
Introduction to Technology
About the HP Fabric Clustering System Software Suite
14
MPI
MPI stands for Message-Passing Interface, an industry standard for developing portable message-passing
applications. HP MPI provides developers of technical applications with an application programming
interface (API) and software library to support parallel, message-passing applications that are efficient,
portable and flexible.
For more information on HP MPI, consult http://www.hp.com/go/mpi.
IPoIB
For more information on IPoIB, consult http://www.ietf.org/html.charters/ipoib-charter.html.
IPoIB allows the IP applications to utilize the HP Fabric Clustering System. IPoIB is configured like a normal
Ethernet interface. During the installation process, IPoIB interfaces are automatically added to the network
configuration. These correspond to the ports on the HCA.
Itutil
The HP-UX Interconnect Transport utility, itutil, is a CLI (command line interface) to administer and
manage HP-UX RDMA infrastructure and HP Fabric Clustering System.
IT-API
The Interconnect Transport API, IT-API, is an industry standard API for RDMA-capable transports including
InfiniBand.
For more information on IT-API, consult http://www.opengroup.org/icsc.
User-Space RDMA Library
The User-Space RDMA Library exposes the IT-API interface and provides user-space access to the RDMA
hardware. Support for HP Fabric Clustering System only is provided.
HCA
The HP Fabric Clustering System Host Channel Adapter (HCA) for InfiniBand™ is the RDMA-capable
network interface card.
Kernel RDMA Subsystem
The Kernel RDMA Subsystem provides access to an extended IT-API for kernel applications such as IPoIB.
Support for HP Fabric Clustering System only is provided.