May 2009
ps3mediaserver - Google Code
PS3 Media Server is a DLNA compliant Upnp Media Server for the PS3, written in Java, with the purpose of streaming or transcoding any kind of media files, with minimum configuration.
August 2007
How-to: Stream media to a PS3 from a Mac - How-to - AppleSource
The PS3 and XBOX360 both rely on an open standard file sharing protocol known as the DLNA, with the PS3 supporting it only since the 1.80 firmware update. DLNA relies upon UPnP (Universal Plug and Play) for device discovery and communication.
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