Protocol information
RFC 661

Document Type RFC - Unknown (November 1974; No errata)
Updated by RFC 694
Last updated 2013-03-02
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IESG IESG state RFC 661 (Unknown)
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Network Working Group                                          J. Postel
Request for Comments: 661                                        SRI-ARC
NIC: 31203                                                 November 1974

                          Protocol Information

   This file contains information on the various protocols in the ARPA
   Network.  An effort will be made to keep the information current, but
   this depends on the cooperation of the users of this file to convey
   any information about protocol developments, or corrections to this
   information to Jon Postel at SRI-ARC.

   This is a compendium of all the protocol related activity and most of
   this activity is with experimental protocols, for those protocols,
   which are official standards the designation "[Official]" will be
   appended to the name.

   Much of the documentation of protocols appears as Requests for
   Comments (RFCs) and many of these are available online.  When a
   document is accessible online, a pointer to that source will be
   given.  Also note that recent RFCs are online at Office-1 in
   directory <NETINFO> with names of the form RFCnnn.TXT where nnn is
   replaced by the RFC number.

   This file is online as:

      Pathname: [SRI-ARC] <POSTEL> PROTOCOL-INFORMATION.TXT

      and also [SRI-ARC] <POSTEL> PROTOCOL-INFORMATION.NLS

   IMP-IMP

      surface

         Contact:

            McKenzie, Alex. (MCKENZIE@BBN)

         Documents:

            Heart, F. et. Al. "The Interface Message Processor for the
            ARPA Computer Network," AFIPS Conference Proceedings,
            36:551-567, SJCC 1970.

         People:

            John McQuillan (MCQUILLAN@BBN)

Postel                                                          [Page 1]
RFC 661                                                    November 1974

         Schedule:

         Recent developments:

      satellite

         Contact:

            Randy Rettberg (RETTEBERG@BBN)

         Documents:

         People:

            Kahn, Robert. (Kahn@ISI)

         Schedule:

         Recent developments:

   IMP-HOST

      IMP-Host [Official]

         Contact:

            McKenzie, A. (McKenzie@BBN)

         Documents:

            "Specification for the Interconnection of a Host and an
            IMP," BBN Report 1822, Revised March 1974.

            McQuillan, J. "Host Alive/Dead Logic," BBN Memorandum to
            Technical Liaisons, 18-July-74.

            Burchfiel, J. "Ready Line Philosophy and Implementation,"
            NIC 30872, RFC 642, 5-July-74.

            Walden, D. "Some Changes to the IMP and the IMP/HOST
            Interface," RFC 660, 23-Oct-74.

               [Office-1 <NETINFO> RFC660.TXT

         People:

            McKenzie (MCKENZIE@BBN)

Postel                                                          [Page 2]
RFC 661                                                    November 1974

            Walden (WALDEN@BBN)

            Postel (POSTEL@SRI-ARC)

            Burchfiel (BURCHFIEL@BBN)

            McQuillan (MCQUILLAN@BBN)

         Schedule:

         Recent developments:

            The "link number" filed has been extended from 8 to 12 bits
            and renamed the "message identification" field.  Message
            type 6 now is used to indicate a reason for a type 7
            (destination dead) message. (See BBN1822).

            There has been some recent changes to the Ready line
            interpretation by the IMP for deciding the alive/dead status
            of a host.

            Important changes to the IMP and IMP/HOST interface
            announced in RFC 660 23-Oct-74.

   HOST-HOST

      ncp - standard host-to-host [Official]

         Contact:

            Postel, Jon. (POSTEL@SRI-ARC)

         Documents:

            McKenzie, A. "Host/Host Protocol for the ARPA Network," NIC
            8246.  Jan 1972.

            Postel, J. "Assigned Link Numbers," RFC604, NIC21186, 26-
            Dec-73.

         People:

            Postel, Jon. (POSTEL@SRI-ARC)

            McKenzie, Alex. (MCKENZIE@BBN)

         Schedule:

Postel                                                          [Page 3]
RFC 661                                                    November 1974

         Recent developments:

      ncp - standard host-to-host [Experimental]

         Contact:

            Postel, Jon. (POSTEL@SRI-ARC)

         Documents:

            McKenzie, A. "Host/Host Protocol for the ARPA Network," NICE
            3246. Jan 1972.

            Postel, J. "Assigned Link Numbers," RFC604, NIC22186, 26-
            Dec-73.

            Burchfiel, et. Al. "Tip-Tenex Reliability Improvements" RFC
            636 NIC 30490 June 1974.

         People:

            Postel, Jon. (POSTEL@SRI-ARC)

            McKenzie, Alex. (MCKENZIE@BBN)

            Burchfiel, Jerry (BURCHFIEL@BBN)

            Walden, Dave (WALDEN@BBN)

         Schedule:

         Recent developments:
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