ibb A method for data exchange over In-Band Bytestreams. streaming XEP-0261 ice-udp A method for negotiation of out-of-band UDP connections with built-in NAT and firewall traversal, equivalent to the IETF's Interactive Connectivity Establishment (ICE) methodology when resulting in the use of UDP as the transport protocol. datagram XEP-0176 raw-udp A method for exchanging data over raw UDP associations. datagram XEP-0177 s5b A method for negotiating data exchange over SOCKS5 Bytestreams. streaming XEP-0260