J. Postel IEN 118 ISI August 1979 Obsoletes: 94 Internet Protocol Handbook Table of Contents Gateway Level Internet Datagram Protocol IEN-111 Gateway Routing: An Implementation Specification IEN-30 Host Level User Datagram Protocol IEN-88 Transmission Control Protocol IEN-112 Multiplexing Protocol IEN-90 Application Level Name Server Protocol IEN-116 Internet Message Protocol IEN-113 Appendices Protocol Options IEN-114 Address Mappings IEN-115 Assigned Numbers IEN-117 Postel [Page 1]