Committed to connecting the world

ITU-T Recommendations

Search by number:

Others:

Advanced search

Provisional name

Equivalent number

Formal description

Study Groups tree view

Expand Study Groups tree view

Scroll up

Scroll down

ITU-T X.225 (1994) Add. 1 (11/1995)

عربي | 中文 | English | Español | Français | Русский

Protocol specification for Session Layer efficiency enhancements

Citation:	https://handle.itu.int/11.1002/1000/3296
Series title:	X series: Data networks, open system communications and security X.200-X.299: Open Systems Interconnection X.220-X.229: Connection-mode protocol specifications
Approval date:	1995-11-21
Approval process:	TAP
Status:	Superseded
Observation:	ITU-T addendum - content applied in 1997 Amendment
Maintenance responsibility:	ITU-T Study Group 17
Further details:	Patent statement(s)

EditionsImplementer's guide(s)Related technical papers and reports

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
4.3	X.225 (1995) Technical Cor. 1 (03/2000)	In force	-	here	here
4.2	X.225 (1995) Amd. 2 (12/1997)	In force	here	here	here
4.1	X.225 (1995) Amd. 1 (08/1997)	In force	here	here	here
4	X.225 (11/1995)	In force	here	here	here
3.1	X.225 (1994) Add. 1 (11/1995)	Superseded	-	-	here
3	X.225 (07/1994)	Superseded	-	-	Not available
2	X.225 (11/1988)	Superseded	-	here	here
1	X.225 (10/1984)	Superseded	-	-	Not available

Title	Approved on	Download
OSI Implementers’ Guide - Version 1.1	2006-12-16	here

Title	Approved on	Download
Guidelines for identity-based cryptosystems used for cross-domain secure communications	2023	here
Overview of hybrid approaches for key exchange with quantum key distribution	2022	here
Guidelines for security management of using artificial intelligence technology	2022	here
Successful use of security standards (2nd edition)	2020	here
Description of the incubation mechanism and ways to improve it	2020	here
Strategic approaches to the transformation of security studies	2020	here
ISDN field trial guidelines	1991	here