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“K16304” — 2012/11/19 — 9:15
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High Performance Computing Using Commodity Hardware and Software
easier to simultaneously activate components making it possible to use multiple fab-
rics such as InfiniBand and Ethernet at the same time. In our design of SCTP-based
modules for Open MPI, rather than design our own framework we started with a
duplicate of the framework used with TCP.
Figure 6.2 Architecture of the Open MPI system.
A functional diagram of the different layers to support messaging on top of SCTP
is shown in Figure 6.2. The top layer on the left is the application program that is pe-
riodically calling MPI functions to pass messages ...