I NTERNATIONAL T ELECOMMUNICATION U NION
Telecommunication
Standardization Bureau
Geneva, 2 March 2001
Ref:
TSB Circular 31
COM 7/BGS
Tel:
+41 22 730 5994
Fax:
+41 22 730 5853
E-mail: tsbsg7@itu.int
- To Administrations of Member States of the
Union
Copy:
- To ITU-T Sector Members;
- To ITU-T Associates;
- To the Chairman and Vice-Chairmen of Study
Group 7;
- To the Director of the Telecommunication
Development Bureau;
- To the Director of the Radiocommunication
Bureau
Subject: Approval of 16 revised or new ITU-T
Recommendations
Dear Sir/Madam,
1
Further to TSB Circular 5 of 30 October 2000, I hereby inform you that 13 Member States
participating in the last meeting of Study Group 7 approved the text of 16 draft revised or new
ITU-T Recommendations during its Plenary session held on 2 February 2001.
2
Annex 1 gives you the titles of the approved texts of these revised or new ITU-T
Recommendations.
3
Available patent information can be accessed on-line via the ITU-T Website.
4
The texts of pre-published Recommendations will soon be available on the ITU-T Website.
5
The texts of these Recommendations will be published by the ITU as soon as possible.
Yours faithfully,
H. Zhao
Director of the Telecommunication
Standardization Bureau
Annex: 1
Place des Nations
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Telephone
+41 22 730 51 11
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E-mail: itumail@itu.int
Telegram ITU GENEVE www.itu.int
-2-
ANNEX 1
(to TSB Circular 31)
16 revised and new Recommendations approved by Study Group 7
at its meeting on 2 February 2001
1
New Recommendation X.86: “Ethernet over LAPS”
2
New Recommendation X.371: “General arrangements for interworking between Public Data
Networks and the Internet”
Previously designated X.3ip
3
Revised Recommendation X.500: “Information technology – Open Systems Interconnection –
The Directory: Overview of concepts, models and services”
See Note 1
4
Modifications to Recommendation X.501
4.1
Revised Recommendation X.501: “Information technology – Open Systems Interconnection –
The Directory: Models”
See Note 2
4.2
Technical Corrigendum 2 to Recommendation X.501 (1997)
5
Modifications to Recommendation X.509
5.1
Technical Corrigendum 2 to Recommendation X.509 (1997)
5.2
Technical Corrigendum 1 to Recommendation X.509 (2000)
See Note 3
6
Modifications to Recommendation X.511
6.1
Revised Recommendation X.511: “Information technology – Open Systems Interconnection –
The Directory: Abstract service definition”
See Note 2
6.2
Technical Corrigendum 2 to Recommendation X.511 (1997)
7
Modifications to Recommendation X.518
7.1
Revised Recommendation X.518: “Information technology – Open Systems Interconnection –
The Directory: Procedures for distributed operation”
See Note 2
7.2
Technical Corrigendum 2 to Recommendation X.518 (1997)
8
Modifications to Recommendation X.519
8.1
Revised Recommendation X.519: “Information technology – Open Systems Interconnection –
The Directory: Protocol specifications”
See Note 2
8.2
Technical Corrigendum 2 to Recommendation X.519 (1997)
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9
Modifications to Recommendation X.520
9.1
Revised Recommendation X.520: “Information technology – Open Systems Interconnection –
The Directory: Selected attribute types”
See Note 2
9.2
Technical Corrigendum 2 to Recommendation X.520 (1997)
10
Modifications to Recommendation X.521
10.1 Revised Recommendation X.521: “Information technology – Open Systems Interconnection –
The Directory: Selected object classes”
See Note 2
10.2 Technical Corrigendum 1 to Recommendation X.521 (1997)
11
Modifications to Recommendation X.525
11.1 Revised Recommendation X.525: “Information technology – Open Systems Interconnection –
The Directory: Replication”
See Note 2
11.2 Technical Corrigendum 2 to Recommendation X.525 (1997)
12
Modifications to Recommendation X.530
12.1 Revised Recommendation X.530: “Information technology – Open Systems Interconnection –
The Directory: Use of systems management for administration of the Directory”
12.2 Technical Corrigendum 1 to Recommendation X.530 (1997)
13
Technical Corrigendum 3 to Recommendation X.680 (1997)
14
Technical Corrigendum 2 to Recommendation X.682 (1997)
15
Technical Corrigendum 2 to Recommendation X.690 (1997)
16
Technical Corrigendum 2 to Recommendation X.691 (1997)
NOTE 1: Technical Corrigendum 1 to Recommendation X.500 (1997), announced for approval at this
meeting, was withdrawn
NOTE 2: Since the Amendments approved in 2000 have not yet been published, these Amendments and the
Technical Corrigenda against some of these Amendments (announced for approval at this Study Group 7
meeting) will not be published as these texts are fully incorporated into the revised editions
NOTE 3: Since the revised X.509 approved in 2000 has not yet been published, this Technical Corrigendum
will be integrated into the base text of X.509 for publication.
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