Справочник по сетевым протоколам


including private enterprise numbers, and

including private enterprise numbers, and many others.

The common use of the Internet protocols by the Internet community

requires that the particular values used in these parameter fields be

assigned uniquely. It is the task of the IANA to make those unique

assignments as requested and to maintain a registry of the currently

assigned values.

Requests for parameter assignments (protocols, ports, etc.) should be

sent to .

Requests for SNMP network management private enterprise number

assignments should be sent to .

The IANA is located at and operated by the Information Sciences

Institute (ISI) of the University of Southern California (USC).

If you are developing a protocol or application that will require the

use of a link, socket, port, protocol, etc., please contact the IANA

to receive a number assignment.

Joyce K. Reynolds

Internet Assigned Numbers Authority

USC - Information Sciences Institute

4676 Admiralty Way

Marina del Rey, California 90292-6695

Electronic mail: IANA@ISI.EDU

Phone: +1 310-822-1511

Reynolds & Postel [Page 2]

RFC 1700 Assigned Numbers October 1994

Most of the protocols are documented in the RFC series of notes. Some

of the items listed are undocumented. Further information on

protocols can be found in the memo, "Internet Official Protocol

Standards" (STD 1).

Data Notations

The convention in the documentation of Internet Protocols is to

express numbers in decimal and to picture data in "big-endian" order

[COHEN]. That is, fields are described left to right, with the most

significant octet on the left and the least significant octet on the


The order of transmission of the header and data described in this

document is resolved to the octet level. Whenever a diagram shows a

group of octets, the order of transmission of those octets is the

normal order in which they are read in English. For example, in the

following diagram the octets are transmitted in the order they are


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