HP 4X - DDR InfiniBand Mezzanine HCA Using Manual page 6

Figure 4. InfiniBand software layers
MPIs
IP-Based Access
User
space
MAD API
Open Fabrics Verbs, CMA, and API
VNIC
Kernel
Connection Manager
space
Open Fabrics Verbs and API
As indicated in Figure 4, InfiniBand supports a variety of upper level protocols (ULPs) and libraries
that have evolved since the introduction of InfiniBand. The key protocols are discussed in the following
pages.
Application Level
Diag Tools
Open SM
Sockets-Based Access
User APIs
Upper Level Protocols
RDMA-based Protocols
IPoIB
(kDAPL, SDP, SRP, iSER, NFS)
Mid-Layer Modules
SA Client
Provider
Hardware-Specific Driver
Hardware
InfiniBand HCA
File System Access
Clustered DB
Block Storage Access
uDAPL
SDP Library
SMA
MAD Services
B
RDS
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