ITU-T X 350-1997 General Interworking Requirements to Be Met for Data Transmission in International Public Mobile Satellite Systems - Interworking between Networks - Satellite Dataand.pdf
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1、INTERNATIONAL TELECOMMUNICATION UNION ITUmT TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU X.350 (1 2/97) SERIES X: DATA NETWORKS AND OPEN SYSTEM COM M U N I CATI ON Interworking between networks - Satellite data transmission systems General interworking requirements to be met for data transmission
2、 in international public mobile satellite systems ITU-T Recommendation X.350 (Previously CCIlT Recommendation) COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling Services_ STD*ITU-T RECMN X.350-ENGL 1997 = L18b2591 Obi3577 TTL1 MESSAGE HANDLING SY
3、STEMS DRECTORY OS1 NETWORKING AND SYSTEM ASPECTS Networking Efficiency Naming, Addressing and Registration Abstract Syntax Notation One (ASN. 1) Systems Management framework and architecture Management Communication Service and Protocol OS1 MANAGEMENT Structure of Management Information I Management
4、 functions SECURITY OS1 APPLICATIONS Commitment, Concurrency and Recovery Transaction processing Remote operations OPEN DISTRIBUTED PROCESSING ITU-T X-SERIES RECOMMENDATIONS DATA NETWORKS AND OPEN SYSTEM COMMUNICATION PUBLIC DATA NETWORKS Services and facilities Interfaces Transmission, signalling a
5、nd switching Network aspects Maintenance Administrative arrangements Model and notation Service definitions Connection-mode protocol specifications Connectionless-mode protocol specifications PICS proformas Protocol Identification Security Protocols Layer Managed Objects Conformance testing OPEN SYS
6、TEM INTERCONNECTION INTERWORKING BETWEEN NETWORKS X.l-X.199 X. I-X. 19 X .20-X.49 X.50-X.89 X.90-X. 149 X. 150-X.179 X.180-X.199 X.200-X.299 X.200-X.209 X.210-X.219 X.220-X.229 X.230-X.239 X.240-X.259 X.260-X.269 X.270-X.279 X.280-X.289 X.290-X.299 X.300-X.399 General X.300-X.349 Satellite data tran
7、smission systems x.350-x.399 X.400-X.499 X.500-X.599 X.600-X.699 X.600-X.629 X.630-X.649 X.650-X.679 X.680-X.699 X.700-X.799 X.700-X.709 X.7 10-X.719 X.720-X.729 X.730-X.799 X. 800-X.849 X.850-X.899 X.850-X.859 X.860-X.879 X.880-X.899 X.900-X.999 For firther details, please refer to ITU-T List of Re
8、commendations. COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesITU-T RECOMMENDATION X.350 GENERAL INTERWORKING REQUIREMENTS TO BE MET FOR DATA TRANSMISSION IN INTERNATIONAL PUBLIC MOBILE SATELLITE SYSTEMS Summary This Recommendation pro
9、vides the general provisions applied for data transmission in international public mobile satellite systems. Source ITU-T Recommendation X.350 was revised by ITU-T Study Group 7 (1997-2000) and was approved under the WTSC Resolution No. 1 procedure on the 12th of December 1997. Recommendation X.350
10、(12/97) 1 COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesFOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommuni- cations. The Telecommunication Standardization Sector (
11、ITU-T) is a permanent organ of the ITU. The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets
12、 every four years, establishes the topics for study by the IT-T Study Groups which, in their turn, produce Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution No. 1. In some areas of information technol
13、ogy which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. INTELLECTU
14、AL PROPERTY RIGHTS The ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. The ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights,
15、 whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, the ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implemento
16、rs are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database. O ITU 1998 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocop
17、ying and microfilm, without permission in writing from the ITU. ii Recommendation X.350 (12/97) COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling Services1 2 3 4 5 6 7 8 9 10 11 12 STD-ITU-T RECMN X-350-ENGL LS77 PI 48b257L Db43581J 577 I CONTENT
18、S Definitions Choice of interface between a mobile DTE and the MSDSE International data number for a mobile DTE . Data transmission prefixes . Transfer of address signal between the MSDSE and a mobile DTE Calls originating in a PDN Calls originating at a mobile earth station Calls to special termina
19、tions . 5.1 5.2 5.3 5.4 Sub-addressing User services and facilities . Routing . Call progress signals and diagnostic codes Closed user groups Interface to PADS . Transfer of C and I lead information Handling of group calls (broadcast service) . Annex A . Allocation of telephone prefixes. telex acces
20、s codes and data transmission prefixes . Recommendation X.350 (12/97) Page 1 2 3 3 3 3 4 4 4 4 4 4 5 5 5 5 6 . 111 COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesRecommendation X.350 GENERAL INTERWORKING REQUIREMENTS TO BE MET FOR DATA
21、 TRANSMISSION IN INTERNATIONAL PUBLIC MOBILE SATELLITE SYSTEMS (Malaga-Torremolinos, 1984; amended at Melbourne, 1988; revised in 1997) The ITU-T, considering 4 (Inmarsat); that a maritime satellite service is being operated by the International Maritime Satellite Organization b) transmission in gen
22、eral; that data transmission services in the Inmarsat system should meet the provisions laid down for data c) that the mobile DTE may be connected to a PDN on a call-by-call basis; d) even though they are located in different countries and interfacing different public data networks, that mobile DTEs
23、 should have the capability of interfacing public data networks through all land earth stations unanimously recommends that the following general provisions should apply for data transmission in international public mobile satellite systems. 1 Definitions The following are definitions of terms used
24、in relation with data transmission in public mobile satellite systems. NOTE - A similar set of definitions for telephone interworking is contained in Recommendation M.1100. 1.1 mobile satellite data transmission system is a means for the establishment of temporary connections between a Data Switchin
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