osc is not really bound to udp, although (unfortunately) most implementation just use udp. pd's netsend/netreceive protocol is sending data in plain text, while osc adds some type information and can join several messages into bundles, which are processed at once ... hth ... tim -- tim@klingt.org ICQ: 96771783 http://www.mokabar.tk Every word is like an unnecessary stain on silence and nothingness Samuel Beckett