ITU-T G 9980-2012 Remote management of customer premises equipment over broadband networks C Customer premises equipment WAN management protocol (Study Group 15)《远程管理 宽带网络的用户驻地设备 用.pdf

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1、 International Telecommunication Union ITU-T G.9980TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (11/2012) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Access networks In premises networks Remote management of customer premises equipment over broadband networks Customer p

2、remises equipment WAN management protocol Recommendation ITU-T G.9980 ITU-T G-SERIES RECOMMENDATIONS TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS INTERNATIONAL TELEPHONE CONNECTIONS AND CIRCUITS G.100G.199 GENERAL CHARACTERISTICS COMMON TO ALL ANALOGUE CARRIER-TRANSMISSION SYSTEMS G.

3、200G.299 INDIVIDUAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE SYSTEMS ON METALLIC LINES G.300G.399 GENERAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE SYSTEMS ON RADIO-RELAY OR SATELLITE LINKS AND INTERCONNECTION WITH METALLIC LINES G.400G.449 COORDINATION OF RADIOTELEPHONY AND LINE

4、TELEPHONY G.450G.499 TRANSMISSION MEDIA AND OPTICAL SYSTEMS CHARACTERISTICS G.600G.699 DIGITAL TERMINAL EQUIPMENTS G.700G.799 DIGITAL NETWORKS G.800G.899 DIGITAL SECTIONS AND DIGITAL LINE SYSTEM G.900G.999 MULTIMEDIA QUALITY OF SERVICE AND PERFORMANCE GENERIC AND USER-RELATED ASPECTS G.1000G.1999 TR

5、ANSMISSION MEDIA CHARACTERISTICS G.6000G.6999 DATA OVER TRANSPORT GENERIC ASPECTS G.7000G.7999 PACKET OVER TRANSPORT ASPECTS G.8000G.8999 ACCESS NETWORKS G.9000G.9999 In premises networks G.9900G.9999For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T G.9980 (11/2012)

6、i Recommendation ITU-T G.9980 Remote management of customer premises equipment over broadband networks Customer premises equipment WAN management protocol Summary Recommendation ITU-T G.9980 defines requirements for the remote management of networked devices by a service provider in a consumers home

7、. It provides an overview of, and the necessary normative references to, a family of technical specifications. It describes how the various technical specifications in this family are related. A glossary of the terms and definitions used in the technical specifications is included in clauses 3 and 4

8、. History Edition Recommendation Approval Study Group 1.0 ITU-T G.9980 2012-11-23 15 Keywords CWMP, TR-069. ii Rec. ITU-T G.9980 (11/2012) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communicati

9、on technologies (ICTs). The ITU Telecommunication Standardization 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 Worl

10、d Telecommunication Standardization Assembly (WTSA), 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

11、some areas of information technology which fall within 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 recogn

12、ized operating agency. Compliance with this Recommendation 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 wo

13、rds “shall“ or some other obligatory language such 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 RIGHTS ITU draws attention to the possibility tha

14、t the practice or implementation of this Recommendation 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 Recommendat

15、ion development process. As of the date of approval of this Recommendation, ITU had 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 t

16、herefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2013 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 G.9980 (11/2012) iii Table of Contents Page 1 Scop

17、e 1 2 References. 3 3 Definitions 3 3.1 Terms defined elsewhere 3 3.2 Terms defined in this Recommendation . 3 4 Abbreviations and acronyms 4 5 Conventions 4 6 Remote management of CPE over broadband networks 4 6.1 Elements of the CPE WAN management protocol 4 6.2 Data models 8 Bibliography. 21 iv R

18、ec. ITU-T G.9980 (11/2012) Introduction The basis of this Recommendation is the Broadband Forum CPE WAN management protocol (CWMP), commonly referred to as TR-069. The protocol is intended for communication between a CPE and an auto-configuration server (ACS). The CPE WAN management protocol defines

19、 a mechanism that encompasses secure auto-configuration of a CPE, and also incorporates other CPE management functions into a common framework. TR-069 specifies the generic requirements of the management protocol, and methods that can be applied to any TR-069 CPE. Other Broadband Forum technical rep

20、orts (TRs) specify the managed objects, or data models, for specific types of devices or services. The protocol may be used to manage various types of CPE, including stand-alone routers and LAN-side client devices. It is agnostic to the specific access medium utilized by the service provider, althou

21、gh it does depend on IP-layer connectivity having first been established by the device. Rec. ITU-T G.9980 (11/2012) 1 Recommendation ITU-T G.9980 Remote management of customer premises equipment over broadband networks Customer premises equipment WAN management protocol 1 Scope This Recommendation d

22、efines the requirements for the remote management of networked devices by a service provider in a consumers home. It provides an overview of, and the necessary normative references to, a family of technical specifications (see Figure 1). It describes how the various technical specifications in this

23、family are related. CPE such as G-PON ONUs may be partially managed by OMCI, as specified in b-ITU-T G.988. b-ITU-T G.988 defines options for shared management of such devices. These options, and the OMCI management of CPE, are outside the scope of this Recommendation. The protocol is intended to pr

24、ovide flexibility in the connectivity model. The protocol allows both CPE and ACS initiated connection establishment, avoiding the need for a persistent connection to be maintained between each CPE and an ACS. The functional interactions between the ACS and CPE should be independent of which end ini

25、tiated the establishment of the connection. In particular, even where ACS initiated connectivity is not supported, all ACS initiated transactions should be able to take place over a connection initiated by the CPE. The protocol allows one or more ACSs to serve a population of CPE. Each CPE can only

26、be associated with one ACS, while each ACS may be associated with one or more service providers. However, a single physical device may present more than one logical CPE device, each of which may be associated with a different ACS. The protocol provides mechanisms for a CPE to discover the appropriat

27、e ACS for a given service provider. The protocol provides mechanisms to allow an ACS to securely identify a CPE and associate it with a user/customer. Processes to support such association support models that incorporate user interaction as well as those that are fully automatic. The protocol allows

28、 an ACS to control and monitor various parameters associated with a CPE. The mechanisms provided to access these parameters are designed with the following premises. Different CPE may have differing capability levels, implementing different subsets of optional functionality. Additionally, an ACS may

29、 manage a range of different device types delivering a range of different services. As a result, an ACS must be able to discover the capabilities of a particular CPE. An ACS must be able to control and monitor the current configuration of a CPE. Other entities besides an ACS may be able to control s

30、ome parameters of a CPEs configuration (e.g., via LAN-side auto-configuration). As a result, the protocol must allow an ACS to account for external changes to a CPEs configuration. The ACS should also be able to control which configuration parameters can be controlled via means other than by the ACS

31、. The protocol should allow vendor-specific parameters to be defined and accessed. 2 Rec. ITU-T G.9980 (11/2012) The protocol is intended to minimize implementation complexity, while providing flexibility in trading off complexity vs. functionality. The protocol incorporates a number of optional com

32、ponents that come into play only if specific functionality is required. The protocol incorporates existing standards where appropriate, allowing leverage of off-the-shelf implementations. The protocol is agnostic to the underlying access network. The protocol is also extensible. It includes mechanis

33、ms to support future extensions to the standard, as well as explicit mechanisms for vendor-specific extensions. Figure 1 CPE WAN management protocol and its related technical specifications Any protocol describing remote configuration or software-/firmware modification of CPEs must provide the capab

34、ilities to comply with all applicable national and regional laws, regulations and policies. The implementation of mechanisms to ensure the explicit endorsement of the customer by means of opt-in permissions before remotely initiating any procedures on the CPE may be required by some specific nationa

35、l and regional laws, regulations and policies. Implementers and users of the described CWMP shall comply with all applicable national and regional laws, regulations and policies. Implementers and users of all ITU-T Recommendations, including ITU-T G.9980 and the underlying techniques, shall comply w

36、ith all applicable national and regional laws, regulations and policies. Rec. ITU-T G.9980 (11/2012) 3 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 publicat

37、ion, the editions indicated were valid. All Recommendations and other references are 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 c

38、urrently valid ITU-T Recommendations is regularly published. The reference to a document within this Recommendation does not give it, as a stand-alone document, the status of a Recommendation. BBF TR-069 Broadband Forum TR-069 Amendment 2 (2007), CPE WAN Management Protocol v1.1. BBF TR-104 Broadban

39、d Forum TR-104 (2005), DSLHome Provisioning Parameters for VOIP CPE. BBF TR-106 Broadband Forum TR-106 Amendment 4 (2010), Data Model Template for TR-069-Enabled Devices. BBF TR-135 Broadband Forum TR-135 (2007), Data Model for a TR-069 Enabled STB. BBF TR-140 Broadband Forum TR-140 (2007), TR-069 D

40、ata Model for Storage Service Enabled Devices. BBF TR-143 Broadband Forum TR-143 Corrigendum 1 (2008), Enabling Network Throughput Performance Tests and Statistical Monitoring. BBF TR-157 Broadband Forum TR-157 Amendment 1 (2009), Component Objects for CWMP. BBF TR-181 Issue 2 Broadband Forum TR-181

41、 Issue 2 (2010), Device Data Model for TR-069. BBF TR-196 Broadband Forum TR-196 (2009), Femto Access Point Service Data Model. 3 Definitions 3.1 Terms defined elsewhere This Recommendation uses the following terms defined elsewhere: 3.1.1 customer premises equipment (CPE) b-ITU-T Y.101: End-use sys

42、tem including private network elements connecting the customer applications to the access line. 3.1.2 technical report (TR): An approved technical specification of the Broadband Forum in accordance with b-BBF01. 3.2 Terms defined in this Recommendation This Recommendation defines the following term:

43、 3.2.1 remote management: Management of CPE over a WAN by a service provider. 4 Rec. ITU-T G.9980 (11/2012) 4 Abbreviations and acronyms This Recommendation uses the following abbreviations and acronyms: ACS Auto-Configuration Server CPE Customer Premises Equipment CWMP CPE WAN Management Protocol F

44、AP Femto Access Point FDD Frequency-Division Duplexing IPTV Internet Protocol Television NAS Network Attached Storage NAT Network Address Translation PVR Personal Video Recorder QoE Quality of Experience QoS Quality of Service RG Residential Gateway RPC Remote Procedure Call SIP Session Initiation P

45、rotocol SSL/TLS Secure Socket Layer/Transport Layer Security STB Set-Top Box TR Technical Report UMTS Universal Mobile Telecommunication System VoIP Voice over Internet Protocol WAN Wide Area Network 5 Conventions There are no particular notations, styles, presentations, etc. used within the Recomme

46、ndation. 6 Remote management of CPE over broadband networks This clause lists the elements of the CPE WAN management protocol (see clause 6.1) and the data models for specific devices (see clause 6.2), which constitute a normative part of this Recommendation. 6.1 Elements of the CPE WAN management p

47、rotocol The requirements for the CPE WAN management protocol are defined in BBF TR-069. It is recognized that service provider policies or local regulations may restrict the use of CPE WAN management and its partner specifications for privacy and security reasons. Such restrictions could encompass o

48、ne or more of the following: CWMP communications only via mutually authenticated SSL/TLS channels; restrictions on the type of CPE to be managed remotely; Rec. ITU-T G.9980 (11/2012) 5 requirement for explicit individual endorsement by the subscriber, which must take place before remote management i

49、s established to retrieve information about the CPE configuration; requirement for asking of an explicit endorsement by the subscriber, which must take place before changing the CPE configuration; other. 6.1.1 TR-069: CPE WAN management protocol (CWMP) BBF TR-069 is intended for communication between a CPE and an auto-configuration server (ACS). The CPE WAN management protocol defines a mechanism that encompasses secure auto-configuration of a CPE, and incorporates other CPE management functi