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

Registration Procedure(s)
Not assigned by IANA
Reference
[N/A]
Available Formats

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

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