rfc991.txt

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         Provides machine oriented procedure for translating a host name
         to an Internet Address.

         This specification has significant problems:  1) The name
         syntax is out of date.  2) The protocol details are ambiguous,
         in particular, the length octet either does or doesn't include
         itself and the op code.  3) The extensions are not supported by
         any known implementation.

         This protocol is now abandoned in favor of the DOMAIN protocol.
         Further implementations of this protocol are not advised.

         Please discuss any plans for implementation or use of this
         protocol with the contact.

      OTHER REFERENCES:



Reynolds & Postel                                              [Page 28]



RFC 991                                                    November 1986
Official ARPA-Internet Protocols


      DEPENDENCIES: User Datagram Protocol

      CONTACT: Postel@ISI.EDU

   CSNET Mailbox Name Server Protocol  ---------------------- (CSNET-NS)

      STATUS:  Experimental

      SPECIFICATION:  CS-DN-2 (in DPH)

      COMMENTS:

         Provides access to the CSNET data base of users to give
         information about users names, affiliations, and mailboxes.

         Please discuss any plans for implementation or use of this
         protocol with the contact.

      OTHER REFERENCES:

      DEPENDENCIES: Transmission Control Protocol

      CONTACT: Solomon@WISC.EDU

   Daytime Protocol  ----------------------------------------- (DAYTIME)

      STATUS:  Elective

      SPECIFICATION:  RFC 867 (in DPH)

      COMMENTS:

         Provides the day and time in ASCII character string.

      OTHER REFERENCES:

      DEPENDENCIES: Transmission Control Protocol
                    or User Datagram Protocol

      CONTACT: Postel@ISI.EDU









Reynolds & Postel                                              [Page 29]



RFC 991                                                    November 1986
Official ARPA-Internet Protocols


   Network Time Protocol  ---------------------------------------- (NTP)

      STATUS:  Experimental

      SPECIFICATION:  RFC 958

      COMMENTS:

         A proposed protocol for synchronizing a set of network clocks
         using a set of distributed clients and servers.

         Please discuss any plans for implementation or use of this
         protocol with the contact.

      OTHER REFERENCES:  RFC 778, RFC 891, RFC 956, and RFC 957.

      DEPENDENCIES: User Datagram Protocol

      CONTACT: Mills@ISI.EDU

   Time Server Protocol  ---------------------------------------- (TIME)

      STATUS:  Elective

      SPECIFICATION:  RFC 868 (in DPH)

      COMMENTS:

         Provides the time as the number of seconds from a specified
         reference time.

      OTHER REFERENCES:

      DEPENDENCIES: Transmission Control Protocol
                    or User Datagram Protocol

      CONTACT: Postel@ISI.EDU












Reynolds & Postel                                              [Page 30]



RFC 991                                                    November 1986
Official ARPA-Internet Protocols


   DCNET Time Server Protocol  --------------------------------- (CLOCK)

      STATUS:  Experimental

      SPECIFICATION:  RFC 778

      COMMENTS:

         Provides a mechanism for keeping synchronized clocks.

         Please discuss any plans for implementation or use of this
         protocol with the contact.

      OTHER REFERENCES:

      DEPENDENCIES: Internet Control Message Protocol

      CONTACT: Mills@ISI.EDU

   SUPDUP Protocol  ------------------------------------------- (SUPDUP)

      STATUS:  Elective

      SPECIFICATION:  RFC 734 (in DPH)

      COMMENTS:

         A special Telnet like protocol for display terminals.

      OTHER REFERENCES:

      DEPENDENCIES: Transmission Control Protocol

      CONTACT: Crispin@SU-SCORE.STANFORD.EDU















Reynolds & Postel                                              [Page 31]



RFC 991                                                    November 1986
Official ARPA-Internet Protocols


   Internet Message Protocol  ------------------------------------ (MPM)

      STATUS:  Experimental

      SPECIFICATION:  RFC 759 (in DPH)

      COMMENTS:

         This is an experimental multimedia mail transfer protocol.  The
         implementation is called a Message Processing Module or MPM.

         Please discuss any plans for implementation or use of this
         protocol with the contact.

      OTHER REFERENCES:

         RFC 767 - Structured Document Formats

      DEPENDENCIES: Transmission Control Protocol

      CONTACT: Postel@ISI.EDU

   Post Office Protocol - Version 2  ---------------------------- (POP2)

      STATUS:  Experimental

      SPECIFICATION:  RFC 937 (in DPH)

      COMMENTS:

         The intent of the Post Office Protocol - Version 2 (POP2) is to
         allow a user's workstation to access mail from a mailbox
         server.  It is expected that mail will be posted from the
         workstation to the mailbox server via the Simple Mail Transfer
         Protocol (SMTP).

         Please discuss any plans for implementation or use of this
         protocol with the contact.

      OTHER REFERENCES:  Obsoletes RFC 918

      DEPENDENCIES: Transmission Control Protocol

      CONTACT: JKReynolds@ISI.EDU





Reynolds & Postel                                              [Page 32]



RFC 991                                                    November 1986
Official ARPA-Internet Protocols


   Network Standard Text Editor  ------------------------------- (NETED)

      STATUS:  Elective

      SPECIFICATION:  RFC 569 (in DPH)

      COMMENTS:

         Describes a simple line editor which could be provided by every
         Internet host.

      OTHER REFERENCES:

      DEPENDENCIES:

      CONTACT:  Postel@ISI.EDU

   Authentication Service  -------------------------------------- (AUTH)

      STATUS:  Experimental

      SPECIFICATION:  RFC 931

      COMMENTS:

         This server provides a means to determine the identity of a
         user of a particular TCP connection.  Given a TCP port number
         pair, it returns a character string which identifies the owner
         of that connection on the server's system.

         Please discuss any plans for implementation or use of this
         protocol with the contact.

      OTHER REFERENCES:  Supercedes RFC 912

      DEPENDENCIES: Transmission Control Protocol

      CONTACT: StJohns@SRI-NIC.ARPA











Reynolds & Postel                                              [Page 33]



RFC 991                                                    November 1986
Official ARPA-Internet Protocols


   Bootstrap Protocol  ----------------------------------------- (BOOTP)

      STATUS:  Experimental

      SPECIFICATION:  RFC 951

      COMMENTS:

         This proposed protocol provides an IP/UDP bootstrap protocol
         which allows a diskless client machine to discover its own IP
         address, the address of a server host, and the name of a file
         to be loaded into memory and executed.

         Please discuss any plans for implementation or use of this
         protocol with the contact.

      OTHER REFERENCES:

      DEPENDENCIES: Internet Protocol, User Datagram Protocol

      CONTACT: Croft@SUMEX-AIM.STANFORD.EDU




























Reynolds & Postel                                              [Page 34]



RFC 991                                                    November 1986
Official ARPA-Internet Protocols


APPENDICES

   Assigned Numbers  ---------------------------------------------------

      STATUS:  None

      SPECIFICATION:  RFC 990

      COMMENTS:

         Describes the fields of various protocols that are assigned
         specific values for actual use, and lists the currently
         assigned values.

         Issued November 1986, replaces RFC 960, RFC 790 in IPTW, and
         RFC 943.

      OTHER REFERENCES:

      CONTACT: JKReynolds@ISI.EDU

   Pre-emption  --------------------------------------------------------

      STATUS:  Elective

      SPECIFICATION:  RFC 794 (in DPH)

      COMMENTS:

         Describes how to do pre-emption of TCP connections.

      OTHER REFERENCES:

      CONTACT: Postel@ISI.EDU















Reynolds & Postel                                              [Page 35]



RFC 991                                                    November 1986
Official ARPA-Internet Protocols


   Service Mappings  ---------------------------------------------------

      STATUS:  None

      SPECIFICATION:  RFC 795 (in DPH)

      COMMENTS:

         Describes the mapping of the IP type of service field onto the
         parameters of some specific networks.

         Out of date, needs revision.

      OTHER REFERENCES:

      CONTACT: Postel@ISI.EDU

   Address Mappings  ---------------------------------------------------

      STATUS:  None

      SPECIFICATION:  RFC 796 (in DPH)

      COMMENTS:

         Describes the mapping between Internet Addresses and the
         addresses of some specific networks.

         Out of date, needs revision.

      OTHER REFERENCES:

      CONTACT:  Postel@ISI.EDU

   Document Formats  ---------------------------------------------------

      STATUS:  None

      SPECIFICATION:  RFC 678 (in DPH)

      COMMENTS:

         Describes standard format rules for several types of documents.

      OTHER REFERENCES:

      CONTACT:  Postel@ISI.EDU


Reynolds & Postel                                              [Page 36]



RFC 991                                                    November 1986
Official ARPA-Internet Protocols


   Bitmap Formats  -----------------------------------------------------

      STATUS:  None

      SPECIFICATION:  RFC 797 (in DPH)

      COMMENTS:

         Describes a standard format for bitmap data.

      OTHER REFERENCES:

      CONTACT:  Postel@ISI.EDU

   Facsimile Formats  --------------------------------------------------

      STATUS:  None

      SPECIFICATION:  RFC 804

      COMMENTS:

         Describes a standard format for facsimile data.

      OTHER REFERENCES:  RFC 769 (in DPH)

      CONTACT:  Postel@ISI.EDU

   Host-Front End Protocol  ------------------------------------- (HFEP)

      STATUS:  Experimental

      SPECIFICATION:  RFC 929

      COMMENTS:

         Please discuss any plans for implementation or use of this
         protocol with the contact.

      OTHER REFERENCES:  RFC 928

      DEPENDENCIES:

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