Internet Assigned Numbers Authority

                                                      Xerox Network System (XNS) Protocol Types

   Last Updated
           2009-11-04

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   Registries included below

     * Assigned well-known socket numbers
     * Assigned internet packet types

Assigned well-known socket numbers

   Registration Procedure(s)

 Not assigned by IANA

   Reference
           [N/A]

   Available Formats
           [IMG]
           CSV

   Value     Description                                                       Reference
     1   Routing Information [Xerox System Integration Standard: Internet Transport Protocols. XSIS 028112, December 1981.]
     2   Echo                [Xerox System Integration Standard: Internet Transport Protocols. XSIS 028112, December 1981.]
     3   Router Error        [Xerox System Integration Standard: Internet Transport Protocols. XSIS 028112, December 1981.]
     5   Courier             [Xerox System Integration Standard: Courier: The Remote Procedure Call Protocol. XNSS 038112, December 1981.]
     8   Time Protocol       [Xerox System Integration Standard: Time Protocol. XNSS 088404, April 1984.]
   40-77 Experimental

Assigned internet packet types

   Registration Procedure(s)

 Not assigned by IANA

   Reference
           [N/A]

   Available Formats
           [IMG]
           CSV

   Value     Description                                                           Reference
     1   Routing Information [Xerox System Integration Standard: Internet Transport Protocols. XSIS 028112, December 1981.]
     2   Echo                [Xerox System Integration Standard: Internet Transport Protocols. XSIS 028112, December 1981.]
     3   Error               [Xerox System Integration Standard: Internet Transport Protocols. XSIS 028112, December 1981.]
     4   Packet Exchange     [Xerox System Integration Standard: Internet Transport Protocols. XSIS 028112, December 1981.]
     5   Sequenced Packet    [Xerox System Integration Standard: Internet Transport Protocols. XSIS 028112, December 1981.]
    12   PUP                 [Boggs, D., J. Shoch, E. Taft, and R. Metcalfe, "PUP: An Internetwork Architecture", XEROX Palo Alto Research Center,
                             CSL-79-10, July 1979; also in IEEE Transactions on Communication, Volume COM-28, Number 4, April 1980.]
    13   DoD IP
   20-37 Experimental

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