1、 International Telecommunication Union ITU-T G.8101/Y.1355TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (10/2012) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Packet over Transport aspects MPLS over Transport aspects SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE, INTERNET P
2、ROTOCOL ASPECTS AND NEXT-GENERATION NETWORKS Internet protocol aspects Transport Terms and definitions for MPLS Transport Profile Recommendation ITU-T G.8101/Y.1355 ITU-T G-SERIES RECOMMENDATIONS TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS INTERNATIONAL TELEPHONE CONNECTIONS AND CIR
3、CUITS G.100G.199 GENERAL CHARACTERISTICS COMMON TO ALL ANALOGUE CARRIER-TRANSMISSION SYSTEMS G.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 LI
4、NKS AND INTERCONNECTION WITH METALLIC LINES G.400G.449 COORDINATION OF RADIOTELEPHONY AND LINE 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
5、 MULTIMEDIA QUALITY OF SERVICE AND PERFORMANCE GENERIC AND USER-RELATED ASPECTS G.1000G.1999 TRANSMISSION MEDIA CHARACTERISTICS G.6000G.6999 DATA OVER TRANSPORT GENERIC ASPECTS G.7000G.7999 PACKET OVER TRANSPORT ASPECTS G.8000G.8999 Ethernet over Transport aspects G.8000G.8099 MPLS over Transport as
6、pects G.8100G.8199Quality and availability targets G.8200G.8299 Service Management G.8600G.8699 ACCESS NETWORKS G.9000G.9999 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T G.8101/Y.1355 (10/2012) i Recommendation ITU-T G.8101/Y.1355 Terms and definitions for MPLS
7、Transport Profile Summary Recommendation ITU-T G.8101/Y.1355 is a compilation of terms and abbreviations used in multi-protocol label switching Transport Profile (MPLS-TP) Recommendations. History Edition Recommendation Approval Study Group 1.0 ITU-T G.8101/Y.1355 2006-12-14 15 2.0 ITU-T G.8101/Y.13
8、55 2010-07-29 15 3.0 ITU-T G.8101/Y.1355 2012-10-29 15 ii Rec. ITU-T G.8101/Y.1355 (10/2012) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunicat
9、ion 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 World Telecommunication Standardization Assembly (
10、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 some areas of information technology which fal
11、l 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 recognized operating agency. Compliance with this Re
12、commendation 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
13、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 that the practice or implementation of this Recom
14、mendation 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 app
15、roval 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
16、 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.8101/Y.1355 (10/2012) iii Table of Contents Page 1 Scope 1 2 References. 1 3 Definitions 2
17、 3.1 Terms defined elsewhere 2 3.2 Terms defined in this Recommendation . 7 4 Abbreviations and acronyms 8 Appendix I List of source Recommendations . 14 Appendix II Terms and definitions for MPLS transport profile defined by the IETF 15 II.1 Definitions 15 II.2 Abbreviations . 16 Rec. ITU-T G.8101/
18、Y.1355 (10/2012) 1 Recommendation ITU-T G.8101/Y.1355 Terms and definitions for MPLS Transport Profile 1 Scope This Recommendation contains a complete listing of the definitions and abbreviations used in the Recommendations associated with multi-protocol label switching Transport Profile (MPLS-TP) l
19、isted in Appendix I. This Recommendation provides a representation of the MPLS-TP technology using the methodologies that have been used for other transport technologies (e.g., synchronous digital hierarchy (SDH), optical transport network (OTN) and Ethernet).12 References The following ITU-T Recomm
20、endations 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 Recommendation are the
21、refore 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 it, as a sta
22、nd-alone document, the status of a Recommendation. ITU-T G.805 Recommendation ITU-T G.805 (2000), Generic functional architecture of transport networks. ITU-T G.806 Recommendation ITU-T G.806 (2009), Characteristics of transport equipment Description methodology and generic functionality. ITU-T G.87
23、0 Recommendation ITU-T G.870/Y.1352 (2012) Terms and definitions for optical transport networks. ITU-T G.7710 Recommendation ITU-T G.7710/Y.1701 (2007), Common equipment management function requirements, plus Corrigendum 1 (2009). ITU-T G.7712 Recommendation ITU-T G.7712/Y.1703 (2010), Architecture
24、and specification of data communication network. ITU-T G.8001 Recommendation ITU-T G.8001/Y.1354 (2012), Terms and definitions for Ethernet frames over transport. ITU-T G.8110.1 Recommendation ITU-T G.8110.1/Y.1370.1 (2011), Architecture of the Multi-Protocol Label Switching transport profile layer
25、network. ITU-T G.8112 Recommendation ITU-T G.8112/Y.1371 (2012), Interfaces for the MPLS Transport Profile (MPLS-TP) layer network. ITU-T G.8121 Recommendation ITU-T G.8121/Y.1381 (2012), Characteristics of MPLS-TP equipment functional blocks, plus Amendment 1 (2012). ITU-T G.8151 Recommendation ITU
26、-T G.8151/Y.1374 (2012), Management aspects of the MPLS-TP network element, plus Amendment 1 (2012). _ 1This ITU-T Recommendation is intended to be aligned with the IETF MPLS RFCs normatively referenced by this Recommendation. 2 Rec. ITU-T G.8101/Y.1355 (10/2012) ITU-T M.3010 Recommendation ITU-T M.
27、3010 (2000) and Amendments, Principles for a telecommunications management network. ITU-T M.3013 Recommendation ITU-T M.3013 (2000), Considerations for a telecommunications management network. ITU-T M.3100 Recommendation ITU-T M.3100 (2005), Generic network information model. ITU-T X.700 Recommendat
28、ion ITU-T X.700 (1992), Management framework for Open Systems Interconnection (OSI) For CCITT Applications. ITU-T X.701 Recommendation ITU-T X.701 (1997), Information technology Open Systems Interconnection Systems management overview. ITU-T X.731 Recommendation ITU-T X.731 (1992) | ISO/IEC 10164-2:
29、1993, Information technology Open Systems Interconnection Systems management: State management function. IETF RFC 3031 IETF RFC 3031 (2001), Multiprotocol Label Switching Architecture. IETF RFC 3032 IETF RFC 3032 (2001), MPLS Label Stack Encoding. IETF RFC 3270 IETF RFC 3270 (2002), Multi-Protocol L
30、abel Switching (MPLS) Support of Differentiated Services. IETF RFC 5462 IETF RFC 5462 (2009), Multiprotocol Label Switching (MPLS) Label Stack Entry: “EXP“ Field Renamed to “Traffic Class“ Field. IETF RFC 5586 IETF RFC 5586 (2009), MPLS Generic Associated Channel. IETF RFC 5921 IETF RFC 5921 (2010),
31、 A Framework for MPLS in Transport Networks. 3 Definitions 3.1 Terms defined elsewhere The following terms are defined in ITU-T G.805: 3.1.1 access point. NOTE Access point is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.2 adapted information. NOTE Adapted information is referred to in ITU-T
32、G.8121 and ITU-T G.8110.1. 3.1.3 administrative domain. NOTE Administrative domain is referred to in ITU-T G.8110.1. 3.1.4 characteristic information. NOTE Characteristic information is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.5 client/server relationship. NOTE Client/server relationship
33、is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.6 connection. NOTE Connection is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.7 connection point. NOTE Connection point is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.8 connection supervision. NOTE Connection supervision is referr
34、ed to in ITU-T G.8110.1. Rec. ITU-T G.8101/Y.1355 (10/2012) 3 3.1.9 layer network. NOTE Layer network is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.10 link. NOTE Link is referred to in ITU-T G.8110.1. 3.1.11 link connection. NOTE Link connection is referred to in ITU-T G.8110.1. 3.1.12 matr
35、ix. NOTE Matrix is referred to in ITU-T G.8121. 3.1.13 network. NOTE Network is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.14 network connection. NOTE Network connection is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.15 reference point. NOTE Reference point is referred to in ITU-T G
36、.8121 and ITU-T G.8110.1. 3.1.16 sublayer. NOTE Sublayer is referred to in ITU-T G.8110.1. 3.1.17 subnetwork. NOTE Subnetwork is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.18 subnetwork connection. NOTE Subnetwork connection is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.19 tandem c
37、onnection. NOTE Tandem connection is referred to in ITU-T G.8110.1. 3.1.20 termination connection point. NOTE Termination connection point is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.21 trail. NOTE Trail is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.22 trail termination. NOTE Tra
38、il termination is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.23 transport. NOTE Transport is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.24 transport entity. NOTE Transport entity is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.25 transport processing function. NOTE Transport
39、 processing function is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.26 unidirectional connection. NOTE Unidirectional connection is referred to in ITU-T G.8121 and ITU-T G.8110.1. 3.1.27 unidirectional trail. NOTE Unidirectional trail is referred to in ITU-T G.8121. 4 Rec. ITU-T G.8101/Y.135
40、5 (10/2012) The following terms are defined in ITU-T G.806: 3.1.28 atomic function (AF). NOTE Atomic function (AF) is referred to in ITU-T G.8151. 3.1.29 management point (MP). NOTE Management point (MP) is referred to in ITU-T G.8151. The following terms are defined in ITU-T G.7710: 3.1.30 local cr
41、aft terminal. NOTE Local craft terminal is referred to in ITU-T G.8151. 3.1.31 management application function (MAF). NOTE Management application function (MAF) is referred to in ITU-T G.8151. The following term is defined in ITU-T G.7712: 3.1.32 data communication network (DCN). NOTE Data communica
42、tion network (DCN) is referred to in ITU-T G.8151. The following terms are defined in ITU-T M.3010: 3.1.33 network element (NE). NOTE Network element (NE) is referred to in ITU-T G.8151. 3.1.34 network element function (NEF). NOTE Network element function (NEF) is referred to in ITU-T G.8151. 3.1.35
43、 Q-Interface. NOTE Q-Interface is referred to in ITU-T G.8151. 3.1.36 workstation function (WF). NOTE Workstation function (WF) is referred to in ITU-T G.8151. The following term is defined in ITU-T M.3013: 3.1.37 message communication function (MCF). NOTE Message communication function (MCF) is ref
44、erred to in ITU-T G.8151. The following terms are defined in ITU-T M.3100: 3.1.38 alarm reporting. NOTE Alarm reporting is referred to in ITU-T G.8151. 3.1.39 alarm reporting control (ARC). NOTE Alarm reporting control (ARC) is referred to in ITU-T G.8151. 3.1.40 managed entity. NOTE Managed entity
45、is referred to in ITU-T G.8151. 3.1.41 management interface. NOTE Management interface is referred to in ITU-T G.8151. 3.1.42 persistence interval. NOTE Persistence interval is referred to in ITU-T G.8151. 3.1.43 operations system (OS). NOTE Operations System (OS) is referred to in ITU-T G.8151. 3.1
46、.44 operations system function (OSF). Rec. ITU-T G.8101/Y.1355 (10/2012) 5 NOTE Operations system function (OSF) is referred to in ITU-T G.8151. 3.1.45 qualified problem. NOTE Qualified problem is referred to in ITU-T G.8151. 3.1.46 reset threshold report. NOTE Reset threshold report is referred to
47、in ITU-T G.8151. 3.1.47 threshold report. NOTE Threshold report is referred to in ITU-T G.8151. 3.1.48 timed interval. NOTE Timed interval is referred to in ITU-T G.8151. The following term is defined in ITU-T X.700: 3.1.49 managed object (MO). NOTE Managed object (MO) is referred to in ITU-T G.8151
48、. The following terms are defined in ITU-T X.701: 3.1.50 agent. NOTE Agent is referred to in ITU-T G.8151. 3.1.51 manager. NOTE Manager is referred to in ITU-T G.8151. 3.1.52 managed object class (MOC). NOTE Managed object class (MOC) is referred to in ITU-T G.8151. The following term is defined in ITU-T X.731: 3.1.53 administrative state. NOTE Administrative state is referred to in ITU-T G.8110.1. The following terms are defined in ITU-T G.870: 3.1.54 network survivability. NOTE Network survivability state
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