ITU-T X-Series Recommendations
(last updated: 1-Nov-2000 12:27)
Series X: Data Networks and Open System Communication
Public Data Networks - Services and Facilities
-
X.1 (03/00)
International user classes of service in, and categories of access to,
public data networks and integrated services digital networks (ISDNs).
-
X.2 (03/00)
International data transmission services and optional user facilities in
public data networks and ISDNs.
-
X.3 (03/00)
Packet assembly/disassembly facility (PAD) in a public data network.
-
X.4 (11/88)
General structure of signals of International Alphabet No. 5 code for
character oriented data transmission over public data networks.
-
X.5 (10/96)
Facsimile packet assembly/disassembly facility (FPAD) in a public data
network.
-
X.6 (08/97) + Ammend 1 (03/00)
Multicast service definition.
-
X.7 (03/00)
Technical characteristics of data transmission services.
-
X.8 (07/94)
Multi-aspect PAD (MAP) framework and service definition.
-
X.10 (1993)
Categories of access for data terminal equipment (DTE) to public data
transmission services.
Interfaces
-
X.20 (11/88)
Interface between data terminal equipment (DTE) and data
circuit-terminating equipment (DCE) for start-stop transmission services
on public data networks.
-
X.20 bis (11/88)
Use on public data networks of data terminal equipment (DTE) which is
designed for interfacing to asynchronous duplex V-Series modems.
-
X.21 (09/92)
Interface between data terminal equipment and data circuit-terminating
equipment for synchronous operation on public data networks.
-
X.21 bis (11/88)
Use on public data networks of data terminal equipment (DTE) which is
designed for interfacing to synchronous V-Series modems.
-
X.22 (11/88)
Multiplex DTE/DCE interface for user classes 3-6.
-
X.24 (11/88)
List of definitions for interchange circuits between data terminal
equipment (DTE) and data circuit-terminating equipment (DCE) on public
data networks.
-
X.25 (10/96) + Corr 1 (09/98)
Interface between data terminal equipment (DTE) and data
circuit-terminating equipment (DCE) for terminals operating in the
packet mode and connected to public data networks by dedicated circuit.
-
X.26 (03/93) (same as V.10)
Electrical characteristics for unbalanced double-current interchange
circuits operating at data signalling rates nominally up to 100 kbit/s.
-
X.27 (10/96) (same as V.11)
Electrical characteristics for balanced double-current interchange
circuits operating at data signalling rates up to 10 Mbit/s.
-
X.28 (12/97) + Ammend 1 (03/00)
DTE/DCE interface for a start-stop mode data terminal equipment
accessing the packet assembly/disassembly facility (PAD) in a public
data network situated in the same country.
-
X.29 (12/97)
Procedures for the exchange of control information and user data between
a packet assembly/disassembly (PAD) facility and a packet mode DTE or
another PAD.
-
X.30 (03/93) (same as I.461)
Support of X.21, X.21 bis and X.20 bis based data terminal equipments
(DTEs) by an integrated services digital network (ISDN).
-
X.31 (11/95) (same as I.462)
Support of packet mode terminal equipment by an ISDN.
-
X.32 (10/96)
Interface between DTE and DCE for terminals operating in the packet mode
and accessing a packet switched public data network through a public
switched telephone network or an integrated services digital network or
a circuit switched public data network.
-
X.33 (10/96)
Access to packet switched data transmission services via frame relaying
data transmission services.
-
X.34 (10/96) + Corr 1 (03/00)
Access to packet switched data transmission services via B-ISDN.
-
X.35 (11/93)
Interface between a PSPDN and a private PSDN which is based on X.25
procedures and enhancements to define a gateway function that is
provided in the PSPDN.
-
X.36 (03/00)
Interface between Data Terminal Equipment (DTE) and Data
Circuit-terminating Equipment (DCE) for public data networks providing frame
relay data transmission service by dedicated circuit.
-
X.37 (04/95)
Encapsulation in X.25 packets of various protocols including frame relay.
-
X.38 (10/96)
G3 facsimile equipment/DCE interface for G3 facsimile equipment
accessing the facsimile packet assembly/disassembly facility (FPAD) in a
public data network situated in the same country.
-
X.39 (10/96)
Procedures for the exchange of control information and user data between
a facsimile packet assembly/disassembly (FPAD) facility and a packet
mode data terminal equipment (DTE) or another FPAD.
-
X.42 (03/00)
Procedures and methods for accessing a Public Data Network from a DTE
operating under control of a generalized polling protocol.
-
X.45 (10/96)
Interface between Data Terminal Equipment (DTE) and Data
Circuit-terminating equipment for terminals operating in the packet mode
and connected to public data networks, designed for efficiency at higher
speeds.
-
X.46 (09/98)
Access to FRDTS via B-ISDN.
-
X.48 (10/96)
Procedures for the provision of a basic multicsast service for Data
Terminal Equipments (DTEs) using Recommendation X.25.
-
X.49 (10/96)
Procedures for the provision of an extended multicast service for
Data Terminal Equipments (DTEs) using Recommendation X.25.
Transmission, Signalling and Switching
-
X.50 (11/88)
Fundamental parameters of a multiplexing scheme for the international
interface between synchronous data networks.
-
X.50 bis (11/88)
Fundamental parameters of a 48-kbit/s user data signalling rate
transmission scheme for the international interface between synchronous
data networks.
-
X.51 (11/88)
Fundamental parameters of a multiplexing scheme for the international
interface between synchronous data networks using 10-bit envelope
structure.
-
X.51 bis (11/88)
Fundamental parameters of a 48-kbit/s user data signalling rate
transmission scheme for the international interface between synchronous
data networks using 10-bit envelope structure.
-
X.52 (11/88)
Method of encoding anisochronous signals into a synchronous user bearer.
-
X.53 (03/93)
Numbering of channels on international multiplex links at 64 kbit/s.
-
X.54 (11/88)
Allocation of channels on international multiplex links at 64 kbit/s.
-
X.55 (11/88)
Interface between synchronous data networks using a 6 + 2 envelope
structure and single channel per carrier (SCPC) satellite channels.
-
X.56 (11/88)
Interface between synchronous data networks using an 8 + 2 envelope
structure and single channel per carrier (SCPC) satellite channels.
-
X.57 (11/88)
-
Method of transmitting a single lower speed data channel on a 64 kbit/s
data stream.
-
X.58 (11/88)
Fundamental parameters of a multiplexing scheme for the international
interface between synchronous non-switched data networks using no
envelope structure.
-
X.60 (11/88)
Common channel signalling for circuit switched data applications.
-
X.61 (11/88) (same as Q.741)
Signalling System No. 7 - Data user part.
-
X.70 (11/88)
Terminal and transit control signalling system for start-stop services
on international circuits between anisochronous data networks.
-
X.71 (11/88)
Decentralized terminal and transit control signalling system on
international circuits between synchronous data networks.
-
X.75 (10/96) + Corr 1 (09/98)
Packet-switched signalling system between public networks providing data
transmission services.
-
X.76 (03/00)
Network-to-network interface between public data networks providing
the frame relay data transmission service.
-
X.77 (08/97) + Corr 1 (03/00)
Interworking Between PSPDNs via B-ISDN.
-
X.78 (06/99) + Corr 1 (03/00)
Interworking Procedures Between Networks Providing Frame Relay Data
Transmission Services via B-ISDN.
-
X.80 (11/88)
Interworking of interexchange signalling systems for circuit switched
data services.
-
X.81 (11/88)
Interworking between an ISDN circuit-switched and a circuit-switched
public data network (CSPDN).
-
X.82 (11/88)
Detailed arrangements for interworking between CSPDNs and PSPDNs based
on Recommendation T.70.
-
X.85 (03/00)
IP Over SDH Using LAPS.
Network Aspects
-
X.92 (11/88)
Hypothetical reference connections for public synchronous data networks.
-
X.96 (03/00)
Call progress signals in public data networks.
-
X.110 (10/96)
International routing principles and routing plan for public data
networks.
-
X.115 (04/95) + Ammend 1 (10/96)
Definition of address translation capability in public data networks.
-
X.116 (10/96)
Address translation registration and resolution protocol.
-
X.121 (10/96)
International numbering plan for public data networks.
-
X.122 (03/98) (same as E.166)
Numbering plan interworking for the E.164 and X.121 numbering plans.
-
X.123 (10/96)
Mapping between escape codes and TOA/NPI for E.164/X.121 numbering plan
interworking during the transition period.
-
X.124 (06/99)
Arrangements for the Interworking of the E.164 and X.121 Numbering Plans
for Frame Relay and ATM Networks.
-
X.125 (09/98)
Procedure for the Notification of the Assignment of International Network
Identification Codes for Public Frame Relay Data Networks and ATM Networks
Numbered Under the E.164 Numbering Plan.
-
X.130 (11/88)
Call processing delays in public data networks when providing
international synchronous circuit-switched data services.
-
X.131 (11/88)
Call blocking in public data networks when providing international
synchronous circuit-switched data services.
-
X.134 (08/97)
Portion boundaries and packet layer reference events: basis for defining
packet-switched performance parameters.
-
X.135 (08/97)
Speed of service (delay and throughput) performance values for public
data networks when providing international packet-switched services.
-
X.136 (08/97)
Accuracy and dependability performance values for public data networks
when providing international packet-switched services.
-
X.137 (08/97)
Availability performance values for public data networks when providing
international packet-switched services.
-
X.138 (08/97)
Measurement of performance values for public data networks when
providing international packet-switched services.
-
X.139 (08/97)
Echo, drop, generator and test DTEs for measurement of performance
values in public data networks when providing international
packet-switched services.
-
X.140 (09/92)
General quality of service parameters for communication via public data
networks.
-
X.141 (11/88) + Corr (06/90)
General principles for the detection and correction of errors in public
data networks.
-
X.144 (04/95) + Ammend 1 (08/97)
User information transfer performance parameters for data networks
providing international frame relay PVC service.
-
X.145 (10/96)
Performance for data networks providing international frame relay
SVC service.
-
X.146 (09/98)
Performance Objectives and Quality of Service Classes Applicable to Frame
Relay.
Maintenance
-
X.150 (11/88)
Principles of maintenance testing for public data networks using data
terminal equipment (DTE) and data circuit-terminating equipment (DCE)
test loops.
-
X.160 (10/96)
Architecture for customer network management service for public data
networks.
-
X.161 (08/97)
Definition of customer network management services for public data
networks.
-
X.162 (03/00)
Definition of management information for customer network management
service for public data networks to be used with the CNMc interface.
-
X.163 (04/95)
Definition of management information for customer network management
service for public data networks to be used with the CNMe interface.
-
X.170 (06/99)
Network-Network Management Architecture for Data Networks.
-
X.171 (03/00)
Network-Network Management Services for Data Networks.
Administrative Arrangements
-
X.180 (11/88)
Administrative arrangements for international closed user groups (CUGs).
-
X.181 (11/88)
Administrative arrangements for the provision of international permanent
virtual circuits (PVCs).
Open Systems Interconnection - General - Model and Notation
-
X.200 (07/94)
Information technology - Open Systems Interconnection - Basic reference
model: The basic model.
-
X.207 (11/93)
Information technology - Open Systems Interconnection - Application
layer structure.
-
X.208 (11/88)
Specification of Abstract Syntax Notation One (ASN.1).
-
X.209 (11/88)
Specification of basic encoding rules for Abstract Syntax Notation One
(ASN.1).
Service Definitions
-
X.210 (11/93)
Information technology - Open systems interconnection - Basic reference
model - Conventions for the definition of OSI services.
-
X.211 (11/95)
Information technology - Open Systems Interconnection - Physical service
definition.
-
X.212 (11/95)
Information technology - Open Systems Interconnection - Data link service
definition.
-
X.213 (11/95) + Ammend 1 (08/97) + Ammend 2 (03/00)
Information technology - Open Systems Interconnection - Network service
definition.
-
X.214 (11/95)
Information technology - Open Systems Interconnection - Transport
service definition.
-
X.215 (11/95) + Addendum 1 (11/95) + Ammend 1 (08/97) + Ammend 2 (12/97)
+ Corr 1 (03/00)
Information technology - Open Systems Interconnection - Session service
definition.
-
X.216 (07/94) + Addendum 1 (11/95) + Ammend 1 (08/97) + Ammend 2 (12/97)
Information technology - Open Systems Interconnection - Presentation
service definition.
-
X.217 (04/95) + Ammend 1 (10/96) + Ammend 2 (08/97)
Service definition for the association control service element.
-
X.217 bis (09/98)
Service Definition for the Application Service Object - Association Control
Service Element.
-
X.218 (03/93)
Reliable transfer: Model and service definition.
-
X.219 (11/88)
Remote operations: Model, notation and service definition.
Connection-Mode Protocol Specifications
-
X.220 (03/93)
Use of X.200-Series protocols in CCITT Applications.
-
X.222 (04/95) + Ammend 1 (10/96)
Use of X.25 LAPB-compatible data link procedures to provide the OSI
Connection-mode Data Link service.
-
X.223 (11/93) + Ammend 1 (10/96)
Use of X.25 to provide the OSI connection-mode network service for ITU-T
applications.
-
X.224 (11/95) + Ammend 1 (08/97)
Protocol for providing the OSI connection-mode transport service.
-
X.225 (11/95) + Addend 1 (11/95) + Ammend 1 (08/97) + Ammend 2 (12/97)
+ Corr 1 (03/00)
Information technology - Open Systems Interconnection -
Connection-oriented session protocol: Protocol specification.
-
X.226 (07/94) + Addend 1 (11/95) + Ammend 1 (08/97) + Ammend 2 (12/97)
Information technology - Open Systems Interconnection -
Connection-oriented presentation protocol: Protocol specification.
-
X.227 (04/95) + Ammend 1 (10/96) + Ammend 2 (08/97)
Connection-oriented protocol for the association control
service element: Protocol specification.
-
X.227 bis (09/98)
Connection-Mode Protocol for the Application Service Object Association
Control Service Element.
-
X.228 (11/88) + Corr 1 (03/00)
Reliable transfer: Protocol specification.
-
X.229 (11/88)
Remote operations: Protocol specification.
Connectionless-Mode Protocol Specifications
-
X.233 (08/97)
Information technology - Protocol for providing the connectionless-mode
network service: protocol specification.
-
X.234 (07/94) + Ammend 1 (11/95)
Information technology - Protocol for providing the OSI
connectionless-mode transport service.
-
X.235 (04/95) + Ammend 1 (06/99)
Information technology - Open Systems Interconnection - Connectionless
Session protocol: Protocol specification.
-
X.236 (04/95) + Ammend 1 (06/99)
Information technology - Open Systems Interconnection - Connectionless
presentation protocol: Protocol specification.
-
X.237 (04/95) + Ammend 1 (10/96) + Corr/Ammend 1 (06/99)
Information technology - Open Systems Interconnection - Connectionless
protocol for the association control service element: Protocol specification.
-
X.237 bis (09/98)
Connectionless Protocol for the Application Service Object Association
Control Service Element.
Miscellaneous
-
X.244 (1988)
Procedure for the exchange of protocol identification during virtual
call establishment on packet switched public data networks.
PICS Proformas
-
X.245 (04/95)
Information technology - Open Systems Interconnection - Connection-oriented
Session protocol: Protocol Implementation Conformance Statement (PICS)
proforma.
-
X.246 (10/96)
Information technology - Open Systems Interconnection -
Connection-oriented presentation protocol: Protocol Implementation
Conformance Statement (PICS) proforma.
-
X.247 (10/96)
Information technology - Open Systems Interconnection - Protocol
specification for the association control service element: Protocol
implementation conformance statement (PICS) proforma.
-
X.248 (11/95)
Information technology - Open Systems Interconnection - Reliable transfer:
Protocol implementation conformance statement (PICS) proforma.
-
X.249 (11/95)
Information technology - Open Systems Interconnection - Remote operations:
Protocol implementation conformance statement (PICS) proforma.
-
X.255 (04/95)
Information technology - Open Systems Interconnection - Connectionless
session protocol: Protocol Implementation Conformance Statement (PICS)
proforma.
-
X.256 (04/95)
Information technology - Open Systems Interconnection - Connectionless
presentation protocol: Prototocol Implementation Conformance Statement (PICS)
proforma.
-
X.257 (04/95) + Ammend 1 (10/96)
Information technology - Open Systems Interconnection - Connectionless
protocol for the association control service element: Protocol
Implementation Conformance Statement (PICS) proforma.
Protocol Identification
-
X.260 (10/96)
Information technology - Framework for protocol identification and
encapsulation.
-
X.263 (09/98)
Information technology - Protocol identification in the Network Layer.
-
X.264 (11/93)
Transport protocol identification mechanism.
Security Protocols
-
X.272 (03/00)
Data Compression and Privacy Over Frame Relay Networks.
-
X.273 (07/94)
Information technology - Open Systems Interconnection - Network layer
security protocol.
-
X.274 (07/94)
Information technology - Telecommunication and information exchange
between systems - Transport layer security protocol.
Layer Managed Objects
-
X.281 (06/99)
Information technology - Elements of management information related to
the OSI Physical Layer.
-
X.282 (06/99) + Ammend 1 (10/96)
Elements of management information related to the OSI data link layer.
-
X.283 (12/97) + Ammend 1 (10/96) + Corr 1 (04/96)
Elements of management information related to the OSI network layer.
-
X.284 (12/97) + Ammend 1 (11/95) + Ammend 2 (10/96)
Elements of management information related to the OSI transport layer.
-
X.287 (03/99)
Structure of Management Information: Managed Objects for Supporting Upper
Layers.
Conformance Testing
-
X.290 (04/95)
OSI conformance testing methodology and framework for protocol
Recommendations for ITU-T applications - General concepts.
-
X.291 (04/95)
OSI conformance testing methodology and framework for protocol
Recommendations for ITU-T applications - Abstract test suite
specification.
-
X.292 (09/98)
OSI conformance testing methodology and framework for protocol
Recommendations for ITU-T applications - The tree and tabular combined
notation (TTCN).
-
X.293 (04/95)
OSI conformance testing methodology and framework for protocol
Recommendations for ITU-T applications - Test realization.
-
X.294 (04/95)
OSI conformance testing methodology and framework for protocol
Recommendations for ITU-T applications - Requirements on test
laboratories and clients for the conformance assessment process.
-
X.295 (04/95)
OSI conformance testing methodology and framework for protocol
Recommendations for ITU-T applications - Protocol profile test specification.
-
X.296 (11/95)
OSO conformance testing methodology and framework for protocol
Recommendations for ITU-T applications - Implementation conformance
statements.
Interworking Between Networks - General
-
X.300 (10/96)
General principles for interworking between public networks and between
public networks and other networks for the provision of data
transmission services.
-
X.301 (10/96)
Description of the general arrangements for call control within a
subnetwork and between subnetworks for the provision of data
transmission services.
-
X.302 (11/88)
Description of the general arrangements for internal network utilities
within a subnetwork and intermediate utilities between subnetworks for
the provision of data transmission services.
-
X.305 (11/88)
Functionalities of subnetworks relating to the support of the OSI
connection-mode network service.
-
X.320 (10/96)
General arrangements for interworking between integrated services
digital networks (ISDNs) for the provision of data transmission services.
-
X.321 (10/96) (same as I.540)
General arrangements for interworking between circuit-switched public
data networks (CSPDNs) and integrated service digital networks (ISDNs)
for the provision of data transmission services.
-
X.322 (11/88)
General arrangements for interworking between packet switched public
data networks (PSPDNs) and circuit switched public data networks
(CSPDNs) for the provision of data transmission services.
-
X.323 (11/88)
General arrangements for interworking between packet switched public
data networks (PSPDNs).
-
X.324 (11/88)
General arrangements for interworking between packet switched public
data networks (PSPDNs) and public mobile systems for the provision of
data transmission services.
-
X.325 (10/96) (same as I.550)
General arrangements for interworking between packet switched public
data networks (PSPDNs) and integrated services digital networks (ISDNs)
for the provision of data transmission services.
-
X.326 (11/88)
General arrangements for interworking between packet switched public
data networks (PSPDNs) and common channel signalling network (CCSN).
-
X.327 (11/93)
General arrangements for interworking between packet switched public
data networks (PSPDNs) and private data networks for the provision of
data transmission services.
-
X.328 (10/96)
General arrangements for interworking between public data networks
providing frame relay data transmission services and Integrated Services
Digital Networks (ISDNs) for the provision of data transmission services.
-
X.329 (03/00)
General Arrangements for Interworking Between Networks Providing Frame
Relay Data Transmission Services and B-ISDN.
-
X.340 (03/93)
General arrangements for interworking between a packet switched public
data network (PSPDN) and the international telex network.
Satellite Data Transmission Systems
-
X.350 (12/97)
General interworking requirements to be met for data transmission in
international public mobile satellite systems.
-
X.351 (11/88)
Special requirements to be met for packet assembly/disassembly
facilities (PADs) located at or in association with coast earth stations
in the public mobile satellite service.
-
X.352 (11/88)
Interworking between packet switched public data networks and public
maritime mobile satellite data transmission systems.
-
X.353 (11/88)
Routing principles for interconnecting public maritime mobile satellite
data transmission systems with public data networks.
-
X.361 (10/96)
Connection of VSAT systems with Packet-Switched Public Data Networks
based on X.25 procedures.
Management
-
X.370 (1988)
Arrangements for the transfer of internetwork management information.
Message Handling Systems
-
X.400 (06/99) (same as F.400)
Message handling services: Message handling system and service overview.
-
X.402 (06/99)
Message handling systems: Overall architecture.
-
X.403 (1988)
Message handling systems: Conformance testing.
-
X.404 (06/99)
Message Handling Systems: MHS Routing - Guide for Messaging Systems
Managers.
-
X.407 (1988)
Message handling systems: Abstract service definition conventions.
-
X.408 (11/88)
Message handling systems: Encoded information type conversion rules.
-
X.411 (06/99)
Message handling systems - Message transfer system: Abstract service
definition and procedures.
-
X.412 (06/99)
Message Handling Systems - MHS Routing.
-
X.413 (06/99)
Message handling systems - Message store: Abstract-service definition.
-
X.419 (06/99)
Message handling systems - Protocol specifications.
-
X.420 (06/99)
Message handling systems: Interpersonal messaging system.
-
X.421 (06/99)
Message handling systems: COMFAX use of MHS.
-
X.435 (06/99)
Message handling systems: Electronic data interchange messaging system.
-
X.440 (06/99)
Message handling systems: Voice messaging system.
-
X.445 (04/95)
Asynchronous protocol specification - Provision of OSI connection mode
network service over the telephone network.
-
X.446 (08/97)
Common Messaging Call API.
-
X.460 (04/95)
Information technology - Message Handling Systems (MHS) management
Model and architecture.
-
X.462 (10/96)
Information technology - Message Handling Systems (MHS)
management: Logging information.
-
X.467 (10/96)
Information technology - Message Handling Systems (MHS)
management: Message transfer agent management.
-
X.480 (09/92)
Message handling systems and directory services - Conformance testing.
-
X.481 (06/99)
P2 protocol: Protocol implementation conformance statement (PICS)
proforma.
-
X.482 (06/99)
Message Handling Systems - P1 Protocol - Protocol implementation conformance
statement (PICS) proforma.
-
X.483 (06/99)
Message Handling Systems - P3 Protocol - Protocol implementation conformance
statement (PICS) proforma.
-
X.484 (06/99)
Message Handling Systems - P7 protocol - Protocol implementation conformance
statement (PICS) proforma.
-
X.485 (09/92)
Message handling systems: Voice messaging system protocol implementation
conformance statement (PICS) proforma.
-
X.486 (06/99)
Message Handling Systems: Pedi protocol PICS proforma.
-
X.487 (06/99)
Message Handling Systems - IPM-MS Attributes PICS Proforma.
-
X.488 (06/99)
Message Handling Systems - EDI-MS Attributes PICS Proforma.
Directory
-
X.500 (08/97) + Ammend 1 (03/00)
Information technology - Open systems Interconnection - The Directory:
Overview of concepts, models and services.
-
X.501 (08/97) + Ammend 1 (03/00) + Corr 1 (03/00)
Information Technology - Open Systems Interconnection - The Directory:
Models.
-
X.509 (03/00)
Information technology - Open Systems Interconnection - The Directory:
Authentication framework.
-
X.511 (08/97) + Ammend 1 (03/00) + Corr 1 (03/00)
Information technology - Open Systems Interconnection - The Directory:
Abstract service definition.
-
X.518 (08/97) + Ammend 1 (03/00) + Corr 1 (03/00)
Information technology - Open Systems Interconnection - The Directory:
Procedures for distributed operation.
-
X.519 (08/97) + Ammend 1 (03/00) + Corr 1 (03/00)
Information technology - Open Systems Interconnection - The Directory:
Protocol specifications.
-
X.520 (08/97) + Ammend 1 (03/00) + Corr 1 (03/00)
Information technology - Open Systems Interconnection - The Directory:
Selected attribute types.
-
X.521 (08/97) + Ammend 1 (03/00)
Information technology - Open Systems Interconnection - The Directory:
Selected object classes.
-
X.525 (08/97) + Ammend 1 (03/00) + Corr 1 (03/00)
Information technology - Open Systems Interconnection - The Directory:
Replication.
-
X.530 (08/97)
Information Technology - Open Systems Interconnection - The Directory:
Use of Systems Management for Administration of the Directory.
-
X.581 (11/95)
Directory access protocol - Protocol implementation conformance
statement (PICS).
-
X.582 (11/95)
Directory system protocol - Protocol implementation conformance
statement (PICS).
-
X.583 (12/97)
The Directory: Protocol Implementation Conformance Statement (PICS) Proforma
for the Directory Access Protocol.
-
X.584 (12/97)
The Directory: Protocol Implementation Conformance Statement (PICS) Proforma
for the Directory System Protocol.
-
X.585 (12/97)
The Directory: Protocol Implementation Conformance Statement (PICS) Proforma
for the Directory Operational Binding Management Protocol.
-
X.586 (12/97)
The Directory: Protocol Implementation Conformance Statement (PICS) Proforma
for the Directory Information Shadowing Protocol.
OSI Networking and System Aspects - Networking
-
X.601 (03/00)
Multi-Peer Communications Framework.
-
X.605 (09/98)
Enhanced Communications Transport Service Definition.
-
X.610 (09/92)
Provision and support of the OSI connection-mode network service.
-
X.612 (09/92)
Information technology - Provision of the OSI connection-mode network
service by packet-mode terminal equipment connected to an integrated
services digital network (ISDN).
-
X.613 (09/92)
Information technology - Use of X.25 packet layer protocol in
conjunction with X.21/X.21 bis to provide the OSI connection-mode
network service.
-
X.614 (09/92)
Information technology - Use of X.25 packet layer protocol to provide
the OSI connection-mode network service over the telephone network.
-
X.622 (07/94)
Information technology - Protocol for providing the connectionless-mode
network service: Provision of the underlying service by an X.25
Subnetwork.
-
X.623 (07/94)
Information technology - Protocol for providing the connectionless-mode
network service: Provision of the underlying service by a subnetwork
that provides the OSI data link service.
-
X.625 (10/96)
Information technology - Protocol for providing the connectionless-mode
network service: Provision of the underlying service by ISDN circuit-switched
B-channels.
Efficiency
-
X.630 (09/98)
Efficient Open Systems Interconnection (OSI) Operations.
-
X.633 (10/96) + Addendum 1 (09/98)
Information technology - Open systems interconnection - Network Fast
Byte protocol.
-
X.634 (10/96) + Addendum 1 (09/98)
Information technology - Open systems interconnection - Transport Fast
Byte protocol.
-
X.637 (10/96)
Basic connection-oriented comon upper layer requirements.
-
X.638 (10/96)
Minimal OSI facilities to support basic communications applications.
-
X.639 (10/96)
Basic connection-oriented requirements for ROSE-based profiles.
-
X.641 (12/97)
Quality of Service: Framework.
-
X.642 (09/98)
Quality of Service - Guide to Methods and Mechanisms.
Naming, Addressing and Registration
-
X.650 (10/96)
Information Technology - Open Systems Interconnection (OSI) - Basic
Reference Model: Naming and addressing.
-
X.660 (09/92) + Ammend 1 (10/96) + Ammend 2 (08/97)
Information technology - Open Systems Interconnection - Procedures for
the operation of OSI Registration Authorities - General procedures.
-
X.662 (08/97)
Procedures for the Operation of OSI Registration Authorities: Registration
of Values of RH-name-tree Components for Joint ISO and ITU-T Use.
-
X.665 (09/92)
Information technology - Open Systems Interconnection - Procedures for
the operation of OSI Registration Authorities: Application processes and
application entities.
-
X.666 (08/97)
Procedures for registration of international and multinational
organization names.
-
X.669 (10/96) + Corr 1 (06/99)
Procedures for the operation of OSI registration authorities: Registration
procedures for the ITU-T subordinate arcs.
-
X.670 (10/96)
Procedures for registration agents operating on behalf of organizations
to register organization names subordinate to country names.
-
X.671 (10/96)
Procedures for a registration authority operating on behalf of countries
to register organization names subordinate to country names.
Abstract Syntax Notation One (ASN.1)
-
X.680 (12/97) + Ammend 1 (06/99) + Ammend 2 (06/99) + Corr 1 (06/99)
+ Corr 2 (03/00)
Information technology - Abstract Syntax Notation One (ASN.1): Specification
of basic notation.
-
X.681 (12/97) + Ammend 1 (06/99) + Corr 1 (06/99)
Information technology - Abstract Syntax Notation One (ASN.1): Information
object specification.
-
X.682 (12/97) + Corr 1 (03/00)
Information technology - Abstract Syntax Notation One (ASN.1): Constraint
specification.
-
X.683 (12/97) + Ammend 1 (06/99)
Information technology - Abstract Syntax Notation One (ASN.1):
Parameterization of ASN.1 specifications.
-
X.690 (12/97) + Ammend 1 (06/99) + Corr 1 (06/99)
Information technology - ASN.1 encoding rules: Specification of Basic
Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished
Encoding Rules (DER).
-
X.691 (12/97) + Ammend 1 (06/99) + Corr 1 (06/99)
Information technology - ASN.1 encoding rules - Specification of Packed
Encoding Rules (PER).
Systems Management Framework and Architecture
-
X.700 (09/92)
Management framework for Open Systems Interconnection (OSI) for CCITT
applications.
-
X.701 (08/97)
Information technology - Open Systems Interconnection - Systems
management overview.
-
X.702 (11/95)
Information technology - Open Systems Interconnection - Application
context for systems management with transaction processing.
-
X.703 (10/97) + Ammend 1 (06/98)
Information Technology - Open Distributed Management Architecture.
Management Communication Service and Protocol
-
X.710 (10/97)
Common management information service definition for CCITT applications.
-
X.711 (10/97) + Corr 1 (03/99)
Common management information protocol specification for CCITT
applications.
-
X.712 (09/92) + Corr 1 and 2 (10/96) + Corr 3 (06/98)
Information technology - Open Systems Interconnection - Common
management information protocol: Protocol implementation conformance
statement (PICS) proforma.
Structure of Management Information
-
X.720 (01/92) + Ammend 1 (11/95) + Corr 1 (02/94)
Information technology - Open Systems Interconnection - Structure of
management information: Management information model.
-
X.721 (02/92) + Corr 1 (02/94) + Corr 2 (10/96) + Corr 3 (06/98)
Information technology - Open Systems Interconnection - Structure of
management information: Definition of management information.
-
X.722 (01/92) + Ammend 1 (11/95) + Corr 1 (10/96) + Ammend 2 (08/97)
+ Ammend 3 (08/97)
Information technology - Open Systems Interconnection - Structure of
Management Information: Guidelines for the definition of managed objects.
-
X.723 (11/93) + Corr 1 06/98)
Information technology - Open Systems Interconnection - Structure of
management information: Generic management information.
-
X.724 (10/96)
Information technology - Open Systems Interconnection - Structure of
management information: Requirements and guidelines for implementation
conformance statement proformas associated with OSI management.
-
X.725 (11/95)
Information technology - Open Systems Interconnection - Structure of
Management Information: General Relationship Model.
-
X.727 (03/99)
Structure of Management Information: Systems Management Application Layer
Managed Objects.
Management Functions
-
X.730 (01/92) + Ammend/Corr 1 (10/96) + Ammend 1 (04/95)
Information technology - Open Systems Interconnection - Systems
Management: Object management function.
-
X.731 (01/92) + Ammend/Corr 1 (10/96) + Corr 1 (04/95) + Ammend 1 (04/95)
Information technology - Open Systems Interconnection - Systems
Management: State management function.
-
X.732 (01/92) + Ammend 1 (04/95) + Ammend/Corr 1 (10/96)
Information technology - Open Systems Interconnection - Systems
Management: Attributes for representing relationships.
-
X.733 (02/92) + Ammend 1 (04/95) + Ammend/Corr 1 (10/96) + Corr 1 (02/94)
+ Corr 2 (03/99)
Information technology - Open Systems Interconnection - Systems
Management: Alarm reporting function.
-
X.734 (09/92) + Ammend/Corr 1 (10/96) + Corr 1 (02/94) + Ammend 1 (04/95)
+ Corr 2 (03/99)
Information technology - Open Systems Interconnection - Systems
Management: Event report management function.
-
X.735 (09/92) + Ammend 1 (04/95) + Ammend/Corr 1 (10/96)
Information technology - Open Systems Interconnection - Systems
Management: Log control function.
-
X.736 (01/92) + Ammend/Corr 1 (10/96) + Ammend 1 (04/95)
Information technology - Open Systems Interconnection - Systems
Management: Security alarm reporting function.
-
X.737 (11/95) + Corr 1 (06/98)
Information technology - Open Systems Interconnection - Systems
management: Confidence and diagnostic test categories.
-
X.738 (11/93) + Ammend 1 (10/96) + Corr 1 (06/98)
Information technology - Open Systems Interconnection - Systems
management: Summarization function.
-
X.739 (11/93) + Ammend 1 (08/97) + Corr 1 (06/98)
Information technology - Open Systems Interconnection - Systems
Management: Metric objects and attributes.
-
X.740 (09/92) + Corr 1 (04/95) + Corr 2 (10/96) + Corr 3 (06/98)
Information technology - Open Systems Interconnection - Systems
Management: Security audit trail function.
-
X.741 (04/95) + Corr 1 (10/96) + Corr 2 (06/98)
Information technology - Open Systems Interconnection - Systems
management: Objects and attributes for access control.
-
X.742 (04/95) + Ammend 1 (10/97) + Corr 1 (06/98)
Information tedchnology - Open Systems Interconnection - Systems
management: Usage metering function for accounting purposes.
-
X.743 (06/98)
Systems Management: Time Management Function.
-
X.744 (10/96) + Corr 1 (06/98)
Information technology - Open Systems Interconnection - Systems
management: Software management function.
-
X.745 (11/93) + Corr 1 (08/97) + Corr 2 (06/98)
Information technology - Open Systems Interconnection - Systems
Management: Test management function.
-
X.746 (02/00)
Information technology - Open Systems Interconnection - Systems
management: Scheduling function.
-
X.748 (03/99)
Systems Management: Response Time Monitoring Function.
-
X.749 (08/97)
Systems Management: Management Domain and Management Policy Management
Function.
-
X.750 (10/96) + Ammend 1 (10/97)
Information technology - Open Systems Interconnection - Systems
Management: Managament knowledge management function.
-
X.751 (11/95) + Corr 1 (06/98)
Information technology - Open Systems Interconnection - Systems
Management: Changeover function.
-
X.753 (10/97)
Systems Management: Command Sequencer for Systems Management.
-
X.790 (11/95) + Ammend 1 (10/96) + Corr 1 (03/99)
Trouble management function for ITU-T applications.
-
X.791 (10/96)
Profile for trouble management function for ITU-T applications.
-
X.792 (03/99)
Configuration Audit Support Function for ITU-T Applications.
Security
-
X.800 (03/91) + Ammend 1 (10/96)
Security architecture for Open Systems Interconnection for CCITT
applications.
-
X.802 (04/95)
Information technology - Lower layers security model.
-
X.803 (07/94)
Information technology - Open Systems Interconnection - Upper layers
security model.
-
X.810 (11/95)
Information technology - Open Systems Interconnection - Security
frameworks for open systems: Overview.
-
X.811 (04/95)
Information technology - Open Systems Interconnection - Security
frameworks for open systems: Authentication framework.
-
X.812 (11/95)
Information technology - Open Systems Interconnection - Security
frameworks for open systems: Access control framework.
-
X.813 (10/96)
Information technology - Open Systems Interconnection - Security
frameworks in open systems: Non-repudiation framework.
-
X.814 (11/95)
Information technology - Open Systems Interconnection - Security
frameworks for open systems: Confidentiality framework.
-
X.815 (11/95)
Information technology - Open Systems Interconnection - Security
frameworks for open systems: Integrity framework.
-
X.816 (11/95)
Information technology - Open Systems Interconnection - Security
frameworks for open systems: Security audit and alarms framework.
-
X.830 (04/95)
Information tedchnology - Opn Systems Interconnection - Generic upper
layers security: Overview, models and notation.
-
X.831 (04/95)
Information technology - Open Systems Interconnection - Generic upper
layers security: Security Exchange Service Element (SESE) service
definition.
-
X.832 (04/95)
Information technology - Open Systems Interconnection - Generic upper
layers security: Security Exchange Service Element (SESE) protocol
specification.
-
X.833 (04/95)
Information technology - Open Systems Interconnection - Generic upper
layers security: Protecting transfer syntax specification.
-
X.834 (10/96)
Information technology - Open Systems Interconnection - Generic upper
layers security: Security Exchange Service Element (SESE) protocol
implementation conformance statement (PICS) proforma.
-
X.835 (10/96)
Information technology - Open Systems Interconnection - Generic upper
layers security: Protecting transfer syntax Protocol Implementation
Conformance Statement (PICS) proforma.
OSI Applications - Commitment, Concurrency and Recovery
-
X.851 (12/97)
Information technology - Open Systems Interconnection - Service
definition for the commitment, concurrency and recovery service element.
-
X.852 (12/97)
Information technology - Open Systems Interconnection - Protocol for the
commitment, concurrency and recovery service element: Protocol
specification.
-
X.853 (11/95)
Information technology - Open Systems Interconnection - Protocol for the
commitment, concurrency and recovery service element: Protocol
Implementation Conformance Statement (PICS) proforma.
Transaction Processing
-
X.860 (12/97)
Open Systems Interconnection - Distributed transaction processing: Model.
-
X.861 (12/97)
Open Systems Interconnection - Distributed transaction processing:
service definition.
-
X.862 (12/97)
Open Systems Interconnection - Distributed transaction processing:
Protocol specification.
-
X.863 (07/94)
Information technology - Open Systems Interconnection - Distributed
transaction processing: Protocol implementation conformance statement
(PICS) proforma.
Remote Operations
-
X.880 (07/94) + Ammend 1 (11/95) + Corr 1 (11/95)
Information technology - Remote Operations: Concepts, model and notation.
-
X.881 (07/94) + Ammend 1 (11/95)
Information technology - Remote Operations: OSI realizations - Remote
Operations Service Element (ROSE) service definition.
-
X.882 (07/94) + Ammend 1 (11/95) + Corr 1 (11/95)
Information technology - Remote Operations: OSI realizations - Remote
Operations Service Element (ROSE) protocol specification.
Open Distributed Processing
-
X.901 (08/97)
Information Technology - Open Distributed Processing - Reference Model:
Overview.
-
X.902 (11/95)
Information technology - Open distributed processing - Reference
Model: Foundations.
-
X.903 (11/95)
Information technology - Open distributed processing - Reference
Model: Architecture.
-
X.904 (12/97) + Ammend 1 (03/00)
Information Technology - Open Distributed Processing - Reference Model:
Architectural Semantics.
-
X.910 (09/98)
Information Technology - Open Distributed Processing - Naming Framework.
-
X.920 (12/97)
Information Technology - Open Distributed Processing - Interface
Definition Language.
-
X.930 (09/98)
Information Technology - Open Distributed Processing - Interface References
and Binding.
-
X.931 (06/99)
Information Technology - Open Distributed Processing - Protocol Support
for Computational Interactions.
-
X.950 (08/97)
Information Technology - Open Distributed Processing - Trading Function:
Specification.
-
X.952 (12/97)
Information Technology - Open Distributed Processing - Trading Function:
Provision of Trading Function Using OSI Directory Service.
-
X.960 (06/99)
Information Technology - Open Distributed Processing - Type Repository
Function.