SDP was originally defined by the Software Working Group (SWG) of the InfiniBand Trade Association.
SDP defines a standard wire protocol over an RDMA fabric to support stream sockets (SOCK_STREAM).
Several other Unix operating system variants plan to include support for Sockets Direct Protocol.
[2] SDP support was introduced to the JDK 7 release of the Java Platform, Standard Edition (July 2011) for applications deployed in on Solaris and Linux operating systems (OFED 1.4.2 and 1.5).
SDP is used by the Australian telecommunications company Telstra on their 3G platform Next G to deliver streaming mobile TV.