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.3521/M.3070 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (03/2016) SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE, INTERNET PROTOCOL ASPECTS AND NEXT-GENERATION NETWORKS, INTERNET OF THINGS AND SMART CITIES Cloud Computin
2、g SERIES M: TELECOMMUNICATION MANAGEMENT, INCLUDING TMN AND NETWORK MAINTENANCE Cloud Computing Telecommunications management network Overview of end-to-end cloud computing management Recommendation ITU-T Y.3521/M.3070 ITU-T Y-SERIES RECOMMENDATIONS GLOBAL INFORMATION INFRASTRUCTURE, INTERNET PROTOC
3、OL 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, addressing and naming Y.500Y.599 Operation, adm
4、inistration 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 Transport Y.1300Y.1399 Interworking Y.1400Y.1499 Qu
5、ality 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 Y.2000Y.2099 Quality of Service and performance
6、 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 architectures and protocols Y.2500Y.2599 Packet-ba
7、sed 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.4049 Definitions and terminologies Y.4050Y.4099
8、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 Y.4700Y.4799 Identification and security Y.4800
9、Y.4899 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T Y.3521/M.3070 (03/2016) i Recommendation ITU-T Y.3521/M.3070 Overview of end-to-end cloud computing management Summary Recommendation ITU-T Y.3521/M.3070 presents a conceptual view and the common model of end-t
10、o-end (E2E) cloud computing management based on the service management interface (SMI) and cloud computing reference architecture, from the perspective of the telecommunications industry. History Edition Recommendation Approval Study Group Unique ID* 1.0 ITU-T Y.3521/M.3070 2016-03-15 13 11.1002/100
11、0/12714 Keywords Cloud computing management, end-to-end, model, multi-cloud, service management interface. * 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:/handle.itu.int/11.1002
12、/1000/11830-en. ii Rec. ITU-T Y.3521/M.3070 (03/2016) 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 Sector (ITU-T) is a
13、 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 four years, es
14、tablishes 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, the necessary
15、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 voluntary. However, the
16、 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 negative equival
17、ents 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 use of a claim
18、ed 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 Recommendation, ITU had no
19、t 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:/www.itu.int/IT
20、U-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.3521/M.3070 (03/2016) iii Table of Contents Page 1 Scope . 1 2 References . 1 3 Definitions 1 3.1 Terms defined elsewhere 1 3.2 Te
21、rms defined in this Recommendation . 2 4 Abbreviations and acronyms 2 5 Conventions 3 6 Introduction . 3 7 Objectives . 4 8 Conceptual view and management layering . 5 8.1 Cloud computing management layering . 5 8.2 Service management interface 6 8.3 Relationship with the cloud computing reference a
22、rchitecture 7 9 Common model for E2E cloud computing management . 8 10 Cloud computing management functionalities . 9 10.1 Functionalities for cloud customer management 10 10.2 Functionalities for cloud product management 12 10.3 Functionalities for cloud service management . 14 10.4 Functionalities
23、 for cloud computing resource management . 16 11 Security considerations . 19 Annex A Use of SMI-based model across various cloud architecture layers . 20 Appendix I Illustration on E2E cloud computing management in practice 21 I.1 Introduction 21 I.2 Vertical vs horizontal management 21 I.3 Orchest
24、rated management actions 21 I.4 Monitoring and diagnostics 21 I.5 Example of E2E cloud computing management 21 Bibliography. 23 Rec. ITU-T Y.3521/M.3070 (03/2016) 1 Recommendation ITU-T Y.3521/M.3070 Overview of end-to-end cloud computing management 1 Scope This Recommendation provides an overview o
25、f end-to-end (E2E) cloud computing management. This Recommendation covers the following: cloud computing management objectives from telecommunication industrys perspective; conceptual view and management layering; common model for multi-cloud environment management; cloud computing management functi
26、onalities. 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 subject
27、 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 document wit
28、hin this Recommendation does not give it, as a stand-alone document, the status of a Recommendation. ITU-T X.1601 Recommendation ITU-T X.1601 (2015), Security framework for cloud computing. ITU-T Y.3502 Recommendation ITU-T Y.3502 (2014), Information technology Cloud computing Reference architecture
29、. ITU-T Y.3510 Recommendation ITU-T Y.3510 (2016), Cloud computing infrastructure requirements. ITU-T Y.3511 Recommendation ITU-T Y.3511 (2014), Framework of inter-cloud computing. ITU-T Y.3512 Recommendation ITU-T Y.3512 (2014), Cloud computing Functional requirements of Network as a Service. ITU-T
30、 Y.3520 Recommendation ITU-T Y.3520 (2015), Cloud computing framework for end to end resource management. 3 Definitions 3.1 Terms defined elsewhere This Recommendation uses the following terms defined elsewhere: 3.1.1 cloud computing b-ITU-T Y.3500: Paradigm for enabling network access to a scalable
31、 and elastic pool of shareable physical or virtual resources with self-service provisioning and administration on-demand. NOTE Examples of resources include servers, operating systems, networks, software, applications, and storage equipment. 3.1.2 cloud service b-ITU-T Y.3500: One or more capabiliti
32、es offered via cloud computing invoked using a defined interface. 2 Rec. ITU-T Y.3521/M.3070 (03/2016) 3.1.3 cloud service customer b-ITU-T Y.3500: Party which is in a business relationship for the purpose of using cloud services. NOTE A business relationship does not necessarily imply financial agr
33、eements. 3.1.4 cloud service provider b-ITU-T Y.3500: Party which makes cloud services available. 3.1.5 cloud service user b-ITU-T Y.3500: Natural person, or entity acting on their behalf, associated with a cloud service customer that uses cloud services. NOTE Examples of such entities include devic
34、es and applications. 3.1.6 inter-cloud computing ITU-T Y.3511: The paradigm for enabling the interworking between two or more cloud service providers. NOTE Inter-cloud computing is also referred as inter-cloud. 3.1.7 management system b-ITU-T M.60: A system with the capability and authority to exerc
35、ise control over and/or collect management information from another system. 3.1.8 service level agreement (SLA) b-ITU-T Y.3500: Documented agreement between the service provider and customer that identifies services and service targets. NOTE 1 A service level agreement can also be established betwee
36、n the service provider and a supplier, an internal group or a customer acting as a supplier. NOTE 2 A service level agreement can be included in a contract or another type of documented agreement. 3.2 Terms defined in this Recommendation This Recommendation defines the following term: 3.2.1 service
37、management interface (SMI): Interface that provides a set of management capabilities exposed by a cloud service through which the cloud service can be managed. NOTE For additional details of SMI concepts, see ITU-T Y.3520 and b-TMF TR198. 4 Abbreviations and acronyms This Recommendation uses the fol
38、lowing abbreviations and acronyms: BSS Business Support System CSC Cloud Service Customer CSP Cloud Service Provider CSU Cloud Service User CT Communication Technology E2E End-to-End EMS Element Management System eTOM Enhanced Telecom Operations Map IaaS Infrastructure as a Service IT Information Te
39、chnology KQI Key Quality Indicator NaaS Network as a Service NMS Network Management System OSS Operational Support System PaaS Platform as a Service Rec. ITU-T Y.3521/M.3070 (03/2016) 3 SaaS Software as a Service SLA Service Level Agreement SLO Service Level Objective SMI Service Management Interfac
40、e TMN Telecommunications Management Network VM Virtual Machine 5 Conventions None. 6 Introduction In both telecommunication and cloud computing environments, management refers to the ability of maintaining visibility and control of all the managed resources in delivering a service to the customer an
41、d satisfying the negotiated service level agreement (SLA). However, until now, these approaches have been different. For the management of telecommunication services and networks, telecommunication operators (as well as other stakeholders in the telecommunication industry) have applied the mature te
42、lecommunications management network (TMN) principles and enhanced telecom operations map (eTOM) as a standard framework and technologies. This has led to the construction of a set of management systems (e.g., element management system (EMS), network management system (NMS), business support system (
43、BSS) or operational support system (OSS) to realize the required telecommunication management functions. With the convergence of information technology (IT) and communications technology (CT) industries, cloud computing is being adopted in telecommunication infrastructures. Telecommunication operato
44、rs are now delivering various cloud services to their users in addition to applying cloud computing technologies for the optimization of their telecommunication service platforms and telecommunication support systems. Cloud computing has a different management approach in that it does not expose ind
45、ividual elements of itself to the telecommunications management system. Rather, a cloud computing system incorporates its own sophisticated management functionality, which is able to manage the cloud computing system in a coherent manner. Therefore, cloud computing does not distinguish between manag
46、ement operations carried out on behalf of the customer, and identical management operations carried out on behalf of the network operator. Rather, cloud computing defines the role of cloud service customer (CSC) and sub-role of cloud service user (CSU), both of which can be performed by end-customer
47、s and telecommunication operators alike. This Recommendation addresses the need to bring these two very different approaches together. It is important to note that the creation and use of many cloud-based virtual resources and services are no longer treated as traditional “management“ activities, bu
48、t by the nature of cloud computing are regularly performed in an on-demand self-service manner by CSCs who do not require “management“ credentials for this task. As an analogy, many of these tasks are therefore closer to placing telephone calls than to managing telephony equipment. Many cloud comput
49、ing use cases extend across multiple cloud service providers (CSPs) and multiple services. CSPs engaged in such a multiple cloud ecosystem therefore, are required to implement appropriate management capabilities on the inter-cloud interfaces ITU-T Y.3511 to other CSPs. In such a scenario, a single company may be simultaneously acting as a CSP for its own customers, as a CSC for the services provided by another CSP, and as a CSC of its own CSP services. 4 Rec. ITU-
