ITU-T Y 4413-2015 Requirements and reference architecture of the machine-to-machine service layer (Study Group 16)《机器对机器服务层的需求和参考体系结构(研究组16)》.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 Y.4413/F.748.5 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (11/2015) SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE, INTERNET PROTOCOL ASPECTS AND NEXT-GENERATION NETWORKS, INTERNET OF THINGS AND SMART CITIES Internet of t

2、hings and smart cities and communities Frameworks, architectures and protocols SERIES F: NON-TELEPHONE TELECOMMUNICATION SERVICES Audiovisual services Requirements and reference architecture of the machine-to-machine service layer Recommendation ITU-T Y.4413/F.748.5 ITU-T Y-SERIES RECOMMENDATIONS GL

3、OBAL INFORMATION INFRASTRUCTURE, INTERNET PROTOCOL ASPECTS AND NEXT-GENERATION NETWORKS, INTERNET OF THINGS AND SMART CITIES GLOBAL INFORMATION INFRASTRUCTURE General Y.100Y.199 Services, applications and middleware Y.200Y.299 Network aspects Y.300Y.399 Interfaces and protocols Y.400Y.499 Numbering,

4、 addressing and naming Y.500Y.599 Operation, administration and maintenance Y.600Y.699 Security Y.700Y.799 Performances Y.800Y.899 INTERNET PROTOCOL ASPECTS General Y.1000Y.1099 Services and applications Y.1100Y.1199 Architecture, access, network capabilities and resource management Y.1200Y.1299 Tra

5、nsport Y.1300Y.1399 Interworking Y.1400Y.1499 Quality of service and network performance Y.1500Y.1599 Signalling Y.1600Y.1699 Operation, administration and maintenance Y.1700Y.1799 Charging Y.1800Y.1899 IPTV over NGN Y.1900Y.1999 NEXT GENERATION NETWORKS Frameworks and functional architecture models

6、 Y.2000Y.2099 Quality of Service and performance Y.2100Y.2199 Service aspects: Service capabilities and service architecture Y.2200Y.2249 Service aspects: Interoperability of services and networks in NGN Y.2250Y.2299 Enhancements to NGN Y.2300Y.2399 Network management Y.2400Y.2499 Network control ar

7、chitectures and protocols Y.2500Y.2599 Packet-based Networks Y.2600Y.2699 Security Y.2700Y.2799 Generalized mobility Y.2800Y.2899 Carrier grade open environment Y.2900Y.2999 FUTURE NETWORKS Y.3000Y.3499 CLOUD COMPUTING Y.3500Y.3999 INTERNET OF THINGS AND SMART CITIES AND COMMUNITIES General Y.4000Y.

8、4049 Definitions and terminologies Y.4050Y.4099 Requirements and use cases Y.4100Y.4249 Infrastructure, connectivity and networks Y.4250Y.4399 Frameworks, architectures and protocols Y.4400Y.4549 Services, applications, computation and data processing Y.4550Y.4699 Management, control and performance

9、 Y.4700Y.4799 Identification and security Y.4800Y.4899 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T Y.4413/F.748.5 (11/2015) i Recommendation ITU-T Y.4413/F.748.5 Requirements and reference architecture of the machine-to-machine service layer Summary Recommendat

10、ion ITU-T Y.4413/F.748.5 identifies requirements of the machine-to-machine (M2M) service layer, which are common to all M2M verticals or specific to e-health application support, and provides an architectural framework of the M2M service layer. History Edition Recommendation Approval Study Group Uni

11、que ID* 1.0 ITU-T Y.4413/F.748.5 2015-11-29 16 11.1002/1000/12623 Keywords Internet of things, IoT, M2M, machine-to-machine, service layer. * 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 exam

12、ple, http:/handle.itu.int/11.1002/1000/11830-en. ii Rec. ITU-T Y.4413/F.748.5 (11/2015) 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 S

13、tandardization Sector (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)

14、, which meets every 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 wit

15、hin ITU-Ts purview, 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 Recomme

16、ndation is voluntary. 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

17、as “must“ and the negative 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 Recommendat

18、ion may involve the 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

19、of this Recommendation, 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 paten

20、t database at http:/www.itu.int/ITU-T/ipr/. ITU 2016 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 Y.4413/F.748.5 (11/2015) iii Table of Contents Page 1 Scope . 1 2 References . 1 3 Definitions 1 3

21、.1 Terms defined elsewhere 1 3.2 Terms defined in this Recommendation . 2 4 Abbreviations and acronyms 2 5 Conventions 2 6 Definition of the ITU-T M2M service layer . 3 6.1 The ITU-T M2M service layer and its relationship with the IoT reference model 3 6.2 The ETSI M2M service capabilities layer and

22、 its relationship with the ITU-T M2M service layer 4 6.3 The oneM2M common service entity and its relationship with the ITU-T M2M service layer 4 7 Requirements of the ITU-T M2M service layer . 5 7.1 Common requirements . 5 7.2 e-health specific requirements 7 8 Architectural framework of the ITU-T

23、M2M service layer 8 8.1 Overview of the architectural framework of the ITU-T M2M service layer 8 8.2 The capabilities of the ITU-T M2M service layer 8 9 Reference points of the ITU-T M2M service layer 9 9.1 Overview of the reference points . 9 9.2 Details on the reference points . 10 Appendix I Comp

24、arison between the capabilities of the ITU-T M2M service layer and common services functions of oneM2M 12 Appendix II Comparison of reference points between the ITU-T M2M service layer and common services entity of oneM2M 14 Bibliography. 15 Rec. ITU-T Y.4413/F.748.5 (11/2015) 1 Recommendation ITU-T

25、 Y.4413/F.748.5 Requirements and reference architecture of the machine-to-machine service layer 1 Scope This Recommendation identifies requirements of the machine-to-machine (M2M) service layer, which are common to all M2M verticals or specific to e-health application support, and to provide an arch

26、itectural framework of the M2M service layer. In particular, the scope of this Recommendation includes: definition of the M2M service layer; requirements of the M2M service layer; architectural framework of the M2M service layer; reference points of the M2M service layer. 2 References The following

27、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 subject to revision; users of this Recommenda

28、tion 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 document within this Recommendation does not give

29、it, as a stand-alone document, the status of a Recommendation. ITU-T Y.4000 Recommendation ITU-T Y.4000/Y.2060 (2012), Overview of the Internet of things. 3 Definitions 3.1 Terms defined elsewhere This Recommendation uses the following terms defined elsewhere: 3.1.1 application dedicated node b-oneM

30、2M-TS-0011: A node that contains at least one application entity and does not contain a common services entity. There may be zero or more application dedicated nodes (ADNs) in the field domain of the oneM2M system. 3.1.2 application entity b-oneM2M-TS-0011: Represents an instantiation of application

31、 logic for end-to-end M2M solutions. 3.1.3 application service node b-oneM2M-TS-0011: A node that contains one common services entity and contains at least one application entity. There may be zero or more ASNs in the field domain of the oneM2M system. 3.1.4 common service entity b-oneM2M-TS-0011: R

32、epresents an instantiation of a set of common service functions of the M2M environments. Such service functions are exposed to other entities through reference points. 3.1.5 infrastructure node b-oneM2M-TS-0011: A node that contains one common services entity and contains zero or more application en

33、tities. There is exactly one infrastructure node in the infrastructure domain per oneM2M service provider. 2 Rec. ITU-T Y.4413/F.748.5 (11/2015) 3.1.6 IoT ITU-T Y.4000: A global infrastructure for the information society, enabling advanced services by interconnecting (physical and virtual) things ba

34、sed on, existing and evolving, interoperable information and communication technologies. NOTE 1 Through the exploitation of identification, data capture, processing and communication capabilities, the IoT makes full use of things to offer services to all kinds of applications, whilst ensuring that s

35、ecurity and privacy requirements are fulfilled. NOTE 2 In a broad perspective, the IoT can be perceived as a vision with technological and societal implications. 3.1.7 middle node b-oneM2M-TS-0011: A node that contains one common services entity and contains zero or more application entities. There

36、may be zero or more middle nodes in the field domain of the oneM2M system. 3.1.8 node b-oneM2M-TS-0011: Functional entity containing one of the following: one or more M2M applications; one CSE and zero or more M2M applications. 3.2 Terms defined in this Recommendation None. 4 Abbreviations and acron

37、yms This Recommendation uses the following abbreviations and acronyms: ADN Application Dedicated Node AE Application Entity ASN Application Service Node BAN Body Area Network CSE Common Service Entity CSF Common Services Function DA Device Application GA Gateway Application IN Infrastructure Node Io

38、T Internet of Things M2M Machine-to-Machine MN Middle Node NA Network Application NSE Network Service Entity SCL Service Capabilities Layer SL Service Layer 5 Conventions None. Rec. ITU-T Y.4413/F.748.5 (11/2015) 3 6 Definition of the ITU-T M2M service layer 6.1 The ITU-T M2M service layer and its r

39、elationship with the IoT reference model From the ITU-T perspective, the machine-to-machine (M2M) technologies are a key enabler of the Internet of things (IoT), ITU-T Y.4000. The M2M service layer in the ITU-T scope, the “ITU-T M2M service layer“, includes a set of generic and specific functions fo

40、r the support of a variety of applications enabled by the M2M technologies. These include management functions and security functions, as well as service support and application support functions. The capabilities of the ITU-T M2M service layer are a subset of the entire set of capabilities of the I

41、oT. Figure 1 shows the ITU-T M2M service layer and its position in the IoT reference model ITU-T Y.4000. Figure 1 The ITU-T M2M service layer in the IoT reference model The layered architectural approach, as illustrated in Figure 1, reduces the implementation complexity while providing interoperabil

42、ity between the various applications enabled by the M2M technologies. NOTE Other architectural approaches are out of scope of this Recommendation. It is recognized that cross layer architectural approaches can show higher performances, but at the expense of higher implementation complexity. The spec

43、ific support capabilities in the service support and application support layer include application specific support capabilities (e.g., e-health support, telematics support) as shown in Figure 1). Three types of applications are identified on top of the ITU-T M2M service layer (application layer): d

44、evice application (DA), gateway application (GA) and network application (NA) servers. DA, GA and NA reside, respectively, in a device, gateway and network application server. All these applications can use capabilities provided by the ITU-T M2M service layer. 4 Rec. ITU-T Y.4413/F.748.5 (11/2015) 6

45、.2 The ETSI M2M service capabilities layer and its relationship with the ITU-T M2M service layer The ETSI M2M service capabilities layer (SCL) b-ETSI 102 690 provides functions that are shared by different applications enabled by the M2M technologies, and can be positioned with respect to the IoT re

46、ference model described in ITU-T Y.4000 as shown in Figure 2. Figure 2 ETSI M2M SCL in the IoT reference model In Figure 2, dIa and mIa from b-ETSI 102 690 can be considered as reference points between IoT applications and the service support and application support layer with inclusion of the gener

47、al management capabilities and general security capabilities. mId from b-ETSI 102 690 can be considered as the reference point between the service support and application support layer of different devices. As shown in Figure 2, the ETSI M2M SCL includes only general functions of service support and

48、 application support layer, general management capabilities and general security capabilities. Compared to the ETSI M2M SCL, the ITU-T M2M service layer includes specific support capabilities in the service support and application support layer, specific management capabilities and specific security

49、 capabilities as shown in Figure 1. It is anticipated that dIa, mIa and mId from b-ETSI 102 690 may need extension to include the support of the specific support capabilities in the service support and application support layer, the specific management capabilities and the specific security capabilities. 6.3 The oneM2M common service entity and its relationship with the ITU-T M2M service layer The oneM2M common service entity (CSE) b-oneM2M-TS-0001 means a group of the twelve

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