ITU-T Q 3053-2017 Signalling architecture and requirements for IP-based short message service over ITU-T defined NGN (Study Group 11).pdf

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1、 I n t e r n a t i o n a l T e l e c o m m u n i c a t i o n U n i o n ITU-T Q.3053 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (03/2017) SERIES Q: SWITCHING AND SIGNALLING, AND ASSOCIATED MEASUREMENTS AND TESTS Signalling requirements and protocols for the NGN Network signalling and control fun

2、ctional architecture Signalling architecture and requirements for IP-based short message service over ITU-T defined NGN Recommendation ITU-T Q.3053 ITU-T Q-SERIES RECOMMENDATIONS SWITCHING AND SIGNALLING, AND ASSOCIATED MEASUREMENTS AND TESTS SIGNALLING IN THE INTERNATIONAL MANUAL SERVICE Q.1Q.3 INT

3、ERNATIONAL AUTOMATIC AND SEMI-AUTOMATIC WORKING Q.4Q.59 FUNCTIONS AND INFORMATION FLOWS FOR SERVICES IN THE ISDN Q.60Q.99 CLAUSES APPLICABLE TO ITU-T STANDARD SYSTEMS Q.100Q.119 SPECIFICATIONS OF SIGNALLING SYSTEMS No. 4, 5, 6, R1 AND R2 Q.120Q.499 DIGITAL EXCHANGES Q.500Q.599 INTERWORKING OF SIGNAL

4、LING SYSTEMS Q.600Q.699 SPECIFICATIONS OF SIGNALLING SYSTEM No. 7 Q.700Q.799 Q3 INTERFACE Q.800Q.849 DIGITAL SUBSCRIBER SIGNALLING SYSTEM No. 1 Q.850Q.999 PUBLIC LAND MOBILE NETWORK Q.1000Q.1099 INTERWORKING WITH SATELLITE MOBILE SYSTEMS Q.1100Q.1199 INTELLIGENT NETWORK Q.1200Q.1699 SIGNALLING REQUI

5、REMENTS AND PROTOCOLS FOR IMT-2000 Q.1700Q.1799 SPECIFICATIONS OF SIGNALLING RELATED TO BEARER INDEPENDENT CALL CONTROL (BICC) Q.1900Q.1999 BROADBAND ISDN Q.2000Q.2999 SIGNALLING REQUIREMENTS AND PROTOCOLS FOR THE NGN Q.3000Q.3709 General Q.3000Q.3029 Network signalling and control functional archit

6、ecture Q.3030Q.3099 Network data organization within the NGN Q.3100Q.3129 Bearer control signalling Q.3130Q.3179 Signalling and control requirements and protocols to support attachment in NGN environments Q.3200Q.3249 Resource control protocols Q.3300Q.3369 Service and session control protocols Q.34

7、00Q.3499 Service and session control protocols supplementary services Q.3600Q.3616 Service and session control protocols supplementary services based on SIP-IMS Q.3617Q.3639 NGN applications Q.3700Q.3709 SIGNALLING REQUIREMENTS AND PROTOCOLS FOR SDN Q.3710Q.3899 TESTING SPECIFICATIONS Q.3900Q.4099 F

8、or further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T Q.3053 (03/2017) i Recommendation ITU-T Q.3053 Signalling architecture and requirements for IP-based short message service over ITU-T defined NGN Summary Recommendation ITU-T Q.3053 specifies the signalling architectur

9、e for Internet protocol (IP) based short message service (SMS) over next generation network (NGN), and identifies the signalling requirements for the interworking between NGN and mobile network supporting SMS. History Edition Recommendation Approval Study Group Unique ID* 1.0 ITU-T Q.3053 2017-03-29

10、 11 11.1002/1000/13245 Keywords Interworking, next generation network, NGN, short message service, SMS, signalling architecture. * To access the Recommendation, type the URL http:/handle.itu.int/ in the address field of your web browser, followed by the Recommendations unique ID. For example, http:/

11、handle.itu.int/11.1002/1000/11830-en. ii Rec. ITU-T Q.3053 (03/2017) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sect

12、or (ITU-T) is a permanent organ of ITU. 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 Assembly (WTSA), which meets every

13、 four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview,

14、 the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntar

15、y. However, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or applicability) and compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the n

16、egative equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTSITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the

17、 use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendat

18、ion, ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:

19、/www.itu.int/ITU-T/ipr/. ITU 2017 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T Q.3053 (03/2017) iii Table of Contents Page 1 Scope . 1 2 References . 1 3 Definitions 2 3.1 Terms defined elsewhere

20、2 3.2 Terms defined in this Recommendation . 2 4 Abbreviations and acronyms 2 5 Signalling architecture for IP based SMS over NGN . 3 5.1 Architecture model . 3 5.2 Functional entities in support of IP based SMS . 3 5.3 Reference points . 4 6 Signalling requirements for IP-based SMS over NGN . 5 6.1

21、 General requirements 5 6.2 Transport layer interworking requirements 5 6.3 Service layer interworking requirements 5 7 Security considerations . 6 Rec. ITU-T Q.3053 (03/2017) 1 Recommendation ITU-T Q.3053 Signalling architecture and requirements for IP-based short message service over ITU-T defined

22、 NGN 1 Scope This Recommendation specifies the signalling architecture for Internet protocol (IP) based short message service (SMS) over next generation network (NGN), and identifies the signalling requirements for the interworking between NGN and mobile networks supporting SMS. The IP-based short m

23、essage over NGN is encapsulated in accordance with the SMS layer defined in ETSI TS 124 011. With regard to SMS over mobile networks, this Recommendation conforms to ETSI TS 123 040 and TIA-637 which specifies the technical implementation of SMS in circuit switch (CS) domain of GSM/UMTS networks and

24、 cdma2000 network. 2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are

25、 subject to revision; users of this Recommendation are therefore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. The reference to a docu

26、ment within this Recommendation does not give it, as a stand-alone document, the status of a Recommendation. ITU-T Y.2012 Recommendation ITU-T Y.2012 (2010), Functional requirements and architecture of next generation networks. ETSI TS 123 040 ETSI TS 123 040 V13.2.0 (2016), Technical realization of

27、 the Short Message Service (SMS). ETSI TS 123 204 ETSI TS 123 204 V13.1.0 (2016), Support of Short Message Service (SMS) over generic 3GPP Internet Protocol (IP) access; Stage 2. ETSI TS 124 011 ETSI TS 124 011 V13.3.0 (2017), Point-to-Point (PP) Short Message Service (SMS) support on mobile radio i

28、nterface. ETSI TS 124 229 ETSI TS 124 229 V13.8.0 (2017), IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3. ETSI TS 129 002 ETSI TS 129 002 V13.6.0 (2017), Mobile Application Part (MAP) specification. IETF RFC 3588 IETF RF

29、C 3588 (2003), Diameter Base Protocol. TIA-1109 Telecommunications Industry Association, TIA-1109 9th Edition (2009), Short Message Service Over IMS. TIA-41.540 Telecommunications Industry Association, TIA-41.540 Revision E (2010), PART 540: Mobile Application Part (MAP) operations signaling protoco

30、ls. TIA-637 Telecommunications Industry Association, TIA-637 Revision D (2013-01), Short Message Service (SMS) for Wideband Spread Spectrum Systems. 2 Rec. ITU-T Q.3053 (03/2017) 3 Definitions 3.1 Terms defined elsewhere None. 3.2 Terms defined in this Recommendation This Recommendation defines the

31、following term: 3.2.1 circuit switch domain: The circuit switch domain refers to a set of the core network entities offering “Circuit Switch type of connection“ for user traffic as well as all the entities supporting the related signalling. A “Circuit Switch type of connection“ is a connection for w

32、hich dedicated network resources are allocated at the connection establishment, and are released at the connection release. NOTE In this Recommendation the circuit switch domain includes the CS domain defined in cdma2000 and in GSM/UMTS. 4 Abbreviations and acronyms This Recommendation uses the foll

33、owing abbreviations and acronyms: 3GPP 3rd Generation Partnership Project 3GPP2 3rd Generation Partnership Project 2 AS Application Server CDMA Code Division Multiple Access CS Circuit Switched HLR Home Location Register IMSI International Mobile Subscriber Identity IP-SM-GW IP Short Message Gateway

34、 GSM Global System for Mobile Communication MAP Mobile Application Part MSC Mobile Switching Centre NGN Next Generation Networks P-CSC-FE Proxy Call Session Control Functional Entity RPDU Relay Protocol Data Unit SC Service Centre S-CSC-FE Serving Call Session Control Functional Entity SIP Session I

35、nitiation Protocol SMS Short Message Service SMSC Short Message Service Centre SMS-GMSC Short Message Service Gateway Mobile Switching Centre SMS-IWMSC Short Message Service Interworking Mobile Switching Centre SUP-FE Service User Profile Functional Entity UE User Equipment UMTS Universal Mobile Tel

36、ecommunications System Rec. ITU-T Q.3053 (03/2017) 3 5 Signalling architecture for IP based SMS over NGN 5.1 Architecture model Figure 5-1 below shows the overall architecture for providing IP based SMS over NGN. Figure 5-1 Architecture model for providing IP-based SMS over NGN Figure 5-1 illustrate

37、s the functional entities providing IP based SMS. The functions of user equipment (UE), proxy call session control functional entity (P-CSC-FE), serving call session control functional entity (S-CSC-FE) and service user profile functional entity (SUP-FE) are identified in ITU-T Y.2012. The functiona

38、l entities in CS domain of a global system for mobile communication/universal mobile telecommunications system (GSM/UMTS) are defined in ETSI TS 123 040 and ETSI TS 123 204. The functional entities in CS domain of cdma2000 are defined in TIA-1109. 5.2 Functional entities in support of IP based SMS W

39、ith regard to IP based SMS, some functional entities are enhanced as described in the following. The UE of next generation networks (NGN) supports the encapsulation and de-encapsulation of relay protocol data units (RPDUs) in an IP- based SMS as defined in ETSI TS 124 011. The P-CSC-FE receives the

40、IP based short message from a NGN user, and deliveries the IP based short message to a NGN user. The S-CSC-FE executes the third party registration and de-registration of a NGN user supporting IP based SMS. The S-CSC-FE also receives and deliveries the IP based SMS message from and to a NGN user. Th

41、e SUP-FE stores the IP based SMS subscription data, the registration status, the authentication and authorization information and the routing information of a NGN user. IP short message gateway (IP-SM-GW) for transport layer interworking provides the protocol interworking between NGN and CS domain o

42、f GSM/UMTS and cdma2000 networks. It provides the 4 Rec. ITU-T Q.3053 (03/2017) protocol interworking for the transfer of short messages between a NGN user and a CS domain user, and for the status reports of SMS. IP-SM-GW acts as an application server (AS) in NGN. It supports the third party registr

43、ation procedure of a NGN user and stores the registration status of a NGN user. 5.3 Reference points The clauses below describe the required enhancements and specific considerations to existing reference points in order to support SMS over NGN. 5.3.1 Reference point between the IP-SM-GW and the SUP-

44、FE: A-S6 The reference point between the IP-SM-GW and the SUP-FE is used for: Supporting the registration and de-registration from the IP-SM-GW to the SUP-FE for short message delivery. Forwarding of the send routing information for a short message from SUP-FE to IP-SM-GW in order to retrieve the ad

45、dress where the short message should be forwarded. Interrogating the SUP-FE using send routing information for a short message to retrieve the international mobile subscriber identity (IMSI) and the current mobile switching centre (MSC) address. Informing the SUP-FE when memory capacity exceeded con

46、dition occurs or ceases. Retrieving SMS related data from the SUP-FE: subscriber data of the short message service and additional service data on the service authorisation of the encapsulated short message delivery via NGN, and service centre (SC) address for service-level interworking from IP-based

47、 short message to CS-based short message if the SC address is stored in the SUP-FE. The reference point A-S6 is recommended to use DIAMETER protocol as per IETF RFC 3588. 5.3.2 Reference points between the IP-SM-GW and the S-CSC-FE: A-S4 The reference point between the IP-SM-GW and the S-CSC-FE is u

48、sed for: transferring of short messages between IP-SM-GW and the S-CSC-FE via NGN; supporting of registration and deregistration of NGN users for SM delivery. The reference point A-S4 is recommended to use session initiation protocol (SIP) as per ETSI TS 124 229. 5.3.3 Reference point between the IP

49、-SM-GW and the SMS-GMSC: E1 The reference point between the IP-SM-GW and the SMS-GMSC is used for: Connecting to the SMS-GMSC, acting as a MSC towards a SMS-GMSC within GSM/UMTS networks defined in 3GPP. The reference point E1 is recommended to use mobile application part (MAP) over No.7 signaling as per ETSI TS 129 002. 5.3.4 Reference point between the IP-SM-GW and the SMSC: E2 The reference point between the IP-SM-GW and the short message service centre (SMSC) is used for: