ITU-T Q 838 1-2004 Requirements and analysis for the management interface of Ethernet Passive Optical Networks (EPON) SERIES Q SWITCHING AND SIGNALLING Q3 interface《以太无源光网络(EPON)管理.pdf

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1、 INTERNATIONAL TELECOMMUNICATION UNION ITU-T Q.838.1TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (10/2004) SERIES Q: SWITCHING AND SIGNALLING Q3 interface Requirements and analysis for the management interface of Ethernet Passive Optical Networks (EPON) ITU-T Recommendation Q.838.1 ITU-T Q-SERIES

2、 RECOMMENDATIONS SWITCHING AND SIGNALLING SIGNALLING IN THE INTERNATIONAL MANUAL SERVICE Q.1Q.3 INTERNATIONAL 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 SIGNA

3、LLING SYSTEMS No. 4, 5, 6, R1 AND R2 Q.120Q.499 DIGITAL EXCHANGES Q.500Q.599 INTERWORKING OF SIGNALLING 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 INTERW

4、ORKING WITH SATELLITE MOBILE SYSTEMS Q.1100Q.1199 INTELLIGENT NETWORK Q.1200Q.1699 SIGNALLING REQUIREMENTS 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 For further details, please refer

5、 to the list of ITU-T Recommendations. ITU-T Rec. Q.838.1 (10/2004) i ITU-T Recommendation Q.838.1 Requirements and analysis for the management interface of Ethernet Passive Optical Networks (EPON) Summary This Recommendation is for the management of Ethernet Passive Optical Networks (EPON). The req

6、uirements and analysis for the management interface between EPON Element Management System (EMS) and Network Management System (NMS) are provided in this Recommendation, using the TMN interface specification methodology described in ITU-T Rec. M.3020. This interface is for the integrated management

7、at the network layer as well as the element layer as required. In this Recommendation, a network element view combined with a network view of EPON managed entities are modelled according to a protocol-neutral information modelling approach, and the UML use case descriptions, class diagrams and seque

8、nce diagrams are also provided for both the requirements and the analysis of this management interface. Source ITU-T Recommendation Q.838.1 was approved on 7 October 2004 by ITU-T Study Group 4 (2001-2004) under the ITU-T Recommendation A.8 procedure. ii ITU-T Rec. Q.838.1 (10/2004) FOREWORD The Int

9、ernational Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. 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 Recommen

10、dations on them with a view to standardizing telecommunications on a worldwide basis. The World 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 app

11、roval 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 standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administra

12、tion“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure e.g. interoperability or applicability) and complianc

13、e 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 equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommendation is re

14、quired of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that 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 Intell

15、ectual 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 not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation.

16、However, implementors are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database. ITU 2005 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of IT

17、U. ITU-T Rec. Q.838.1 (10/2004) iii CONTENTS Page 1 Scope 1 2 References. 1 3 Terms and definitions . 3 3.1 Definitions imported from ITU-T Rec. G.805 . 3 3.2 Definitions imported from ITU-T Rec. G.809 . 3 3.3 Definitions imported from ITU-T Rec. G.982 . 3 3.4 Definitions imported from ITU-T Rec. G.

18、983.1 3 3.5 Definitions imported from ITU-T Rec. Q.834.1 4 3.6 Definitions imported from IEEE 802.3ah 4 4 Abbreviations 4 5 General overview 5 6 Requirements 7 6.1 Business level requirements . 7 6.2 Specification level requirements 9 7 Analysis 17 7.1 Conventions 17 7.2 Common management function s

19、et 17 7.3 Configuration management function set 19 7.4 Performance management function set 71 7.5 Fault management function set. 74 7.6 Security management function. 78 Appendix I Table of managed entities 78 ITU-T Rec. Q.838.1 (10/2004) 1 ITU-T Recommendation Q.838.1 Requirements and analysis for t

20、he management interface of Ethernet Passive Optical Networks (EPON) 1 Scope This Recommendation specifies the requirements and analysis for the management interface between the Element Management System (EMS) and the Network Management System (NMS) of Ethernet Passive Optical Networks (EPON). It fol

21、lows the interface specification methodology described in ITU-T Rec. M.3020. In this Recommendation, the EMS is an Operations System (OS) used to manage the individual network elements supporting EPON technologies as well as the networks between them. One or more systems may be required depending on

22、 the different supplier products and geographic distribution of the network elements in the network. The NMS represents an integrated management OS across different technologies and supplier systems (multi-technology and multi-vendor OS). The management functions covered in this Recommendation inclu

23、de configuration management, performance measurement parameters management, and loopback test in fault management. These management functions are described and divided by UML use cases in the requirements. The analysis provides the managed entities which support a protocol-neutral information model

24、for EPON management, and also explains the static and dynamic relationships between these managed entities using UML class diagrams and sequence diagrams. This Recommendation does not cover all aspects about Ethernet management. Only those related to EPON management are addressed. 2 References The f

25、ollowing 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 R

26、ecommendation 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

27、not give it, as a stand-alone document, the status of a Recommendation. 1 ITU-T Recommendation M.3010 (2000), Principles for a telecommunications management network. 2 ITU-T Recommendation M.3020 (2000), TMN interface specification methodology. 3 ITU-T Recommendation M.3100 (1995), Generic network i

28、nformation model. 4 ITU-T Recommendation M.3100 (1999), Generic network information model, Amendment 1. 5 ITU-T Recommendation M.3100 (1998), Generic network information model, Corrigendum 1. 6 ITU-T Recommendation M.3100 (2003), Generic network information model, Amendment 6. 7 ITU-T Recommendation

29、 M.3100 (2004), Generic network information model, Amendment 8. 8 ITU-T Recommendation M.3200 (1997), TMN management services and telecommunications managed areas: Overview. 2 ITU-T Rec. Q.838.1 (10/2004) 9 ITU-T Recommendation M.3400 (2000), TMN management functions. 10 ITU-T Recommendation X.721 (

30、1992), Information technology Open Systems Interconnection Structure of management information: Definition of management information. 11 ITU-T Recommendation X.731 (1992), Information technology Open Systems Interconnection Systems management: State management function. 12 ITU-T Recommendation X.744

31、 (1996), Information technology Open Systems Interconnection Systems management: Software management function. 13 ITU-T Recommendation X.745 (1993), Information technology Open Systems Interconnection Systems management: Test management function. 14 ITU-T Recommendation Q.827.1 (2004), Requirements

32、and analysis for the common management functions of NMS-EMS interfaces. 15 ITU-T Recommendation Q.834.1 (2004), ATM-PON requirements and managed entities for the network and network element views. 16 ITU-T Recommendation Q.834.3 (2004), A UML description for management interface requirements for bro

33、adband Passive Optical Networks. 17 ITU-T Recommendation G.805 (2000), Generic functional architecture of transport networks. 18 ITU-T Recommendation G.809 (2003), Functional architecture of connectionless layer networks. 19 ITU-T Recommendation G.8010/Y.1306 (2004), Architecture of Ethernet layer n

34、etworks. 20 ITU-T Recommendation G.982 (1996), Optical access networks to support services up to the ISDN primary rate or equivalent bit rates. 21 ITU-T Recommendation G.983.1 (1998), Broadband optical access systems based on Passive Optical Networks (PON). 22 IEEE 802.3ah-2004, IEEE Standard for in

35、formation technology Telecommunications and information exchange between systems Local and metropolitan area networks Specific requirements Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) access method and physical layer specifications Amendment: Media access control paramet

36、ers, physical layers, and management parameters for subscriber access networks. 23 IEEE 802.1D-2004, IEEE standard for local and metropolitan area networks: Media Access Control (MAC) bridges. 24 IEEE 802.1Q-2003, IEEE standard for local and metropolitan area networks: Virtual bridged local area net

37、works. 25 IETF RFC 1493 (1993), Definitions of managed objects for bridges. 26 IETF RFC 2233 (1997), The Interfaces Group MIB using SMIv2. 27 IETF RFC 2358 (1998), Definitions of managed objects for the Ethernet-like interface Types. 28 IETF RFC 2495 (1999), Definitions of managed objects for the DS

38、1, E1, DS2 and E2 interface types. 29 IETF RFC 2674 (1999), Definitions of managed objects for bridges with traffic classes, multicast filtering and virtual LAN extensions. ITU-T Rec. Q.838.1 (10/2004) 3 3 Terms and definitions This Recommendation uses the following terms. 3.1 Definitions imported f

39、rom ITU-T Rec. G.805 The following terms from ITU-T Rec. G.805 17 are used in this Recommendation: bidirectional reference point; connection; connection point; link; link connection; termination connection point; trail; trail termination; trail termination sink; trail termination source. 3.2 Definit

40、ions imported from ITU-T Rec. G.809 The following terms from ITU-T Rec. G.809 18 are used in this Recommendation: characteristic information; client/server relationship; connectionless trail; flow; flow domain; flow domain flow; flow point; flow point pool; flow point pool link; flow termination; fl

41、ow termination sink; flow termination source; layer network; link flow. 3.3 Definitions imported from ITU-T Rec. G.982 The following terms from ITU-T Rec. G.982 20 are used in this Recommendation: Optical Access Network (OAN); Optical Distribution Network (ODN). 3.4 Definitions imported from ITU-T R

42、ec. G.983.1 The following term from ITU-T Rec. G.983.1 21 is used in this Recommendation: Optical Network Termination (ONT). 4 ITU-T Rec. Q.838.1 (10/2004) 3.5 Definitions imported from ITU-T Rec. Q.834.1 The following term from ITU-T Rec. Q.834.1 15 is used in this Recommendation: Network Terminati

43、on (NT). 3.6 Definitions imported from IEEE 802.3ah The following terms from IEEE Standard 802.3ah 22 are used in this Recommendation: Optical Line Terminal (OLT); Optical Network Unit (ONU); Ranging; P2MP Discovery. 4 Abbreviations This Recommendation uses the following abbreviations: ASAP Alarm Se

44、verity Assignment Profile BER Bit Error Rate CFI Canonical Format Indicator cLink component Link CM Configuration Management CRC Cyclic Redundancy Check CTP Connection Termination Point E1 Digital signal level 1 at 2048 kbit/s EMS Element Management System EPON Ethernet Passive Optical Network ETH E

45、thernet MAC layer network ETYn Ethernet physical layer network of order n FCS Frame Check Sequence FD Flow Domain FDF Flow Domain Flow FDFr Flow Domain Fragment FM Fault Management FP Flow Point FPP Flow Point Pool FS Function Set FTP Flow Termination Point HDB3 High Density Bipolar 3 code ID Identi

46、fier ISDN Integrated Services Digital Network ITU-T International Telecommunication Union Telecommunication Standardization Sector ITU-T Rec. Q.838.1 (10/2004) 5 MAC Media Access Control MIB Management Information Base NE Network Element NMS Network Management System NNI Network-to-Network Interface

47、 NRZ Non Return to Zero NT Network Termination ODN Optical Distribution Network OLT Optical Line Terminal OMG Object Management Group ONT Optical Network Termination ONU Optical Network Unit OS Operations System P2MP Point to Multi-Point PHY Ethernet Physical Layer Entity PM Performance Management P

48、ON Passive Optical Network POTS Plain Old Telephone Service SBA Static Bandwidth Assignment TCI Tag Control Information TMN Telecommunications Management Network TP Termination Point TTP Trail Termination Point UML Unified Modelling Language UNI User Network Interface VID VLAN ID VLAN Virtual Local

49、Area Network VPN Virtual Private Network 5 General overview Figure 5-1 illustrates the EPON system architecture. EMS is the management system linked to the OLT in this figure. This system is provided, along with the equipment, to a network owner operator. The OLT is a head-end digital terminal commonly located in the central office or some controlled environment structure. The ODN is a point-to-multipoint fibre in