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1From http://www.zeromq.org/ : 2 3ØMQ is a lightweight messaging implementation with socket-like API. 4ØMQ supports different messaging models (publish/subscribe, request/reply, streaming). 5ØMQ is already very fast. We're getting 13.4 microseconds end-to-end latencies and up to 4,100,000 messages a second today. 6ØMQ is very thin. Requires just a couple of pages in resident memory. 7ØMQ is fully open sourced LGPL-licensed software written in C++. 8ØMQ provides C, C++, Common Lisp, Java, Python and Ruby language APIs. 9ØMQ supports different transport protocols: TCP, UDP, PGM, IPC, inter-thread etc. 10ØMQ runs on AIX, FreeBSD, HP-UX, Linux, Mac OS X, OpenBSD, OpenVMS, QNX Neutrino, Solaris and Windows. 11ØMQ supports i386, x86-64, Sparc, Itanium, Alpha and ARM microarchitectures. 12ØMQ is fully distributed: no central servers to crash, millions of WAN and LAN nodes. 13 14Implementation notes for Liberty wrappers: 15One of the key design choices that makes ØMQ fast is its simplicity and its zero-copy 16infrastructure: data is never copied by ØMQ. 17I tried to maintain both properties in the wrappers.