Apparently, there is a throughput test published on this page comparing omniORB 2.5.0 with Visibroker 3.1 and Orbix 2.3c: http://www.kav.cas.cz/~buble/corba/graf/through.html Nice to know we consistently come on top and beat the other two by a huge margin on type Any :-) Sai-Lai