Trapeze is available in source form with a BSD-style copyright from http://www.cs.duke.edu/ari/trapeze. Our iprobe port to FreeBSD/Alpha is available from http://www.cs.duke.edu/ari/iprobe.html. FreeBSD extensions (including Monet platform support, Alteon driver extensions, and zero-copy sockets) are incorporated into the FreeBSD code base or are available from the Trapeze Web site.