1、 s 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 G.798 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU Amendment 3 (01/2017) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital terminal equipments Other terminal equipment Characteristics of op
2、tical transport network hierarchy equipment functional blocks Amendment 3 Recommendation ITU-T G.798 (2012) Amendment 3 ITU-T G-SERIES RECOMMENDATIONS TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS INTERNATIONAL TELEPHONE CONNECTIONS AND CIRCUITS G.100G.199 GENERAL CHARACTERISTICS COMM
3、ON 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 LINKS AND INTERCONNECTION WITH METALLIC LINES G
4、.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 General G.700G.709 Coding of voice and audio signals G.710G.729 Principal characteristics of primary multiplex equipment G.7
5、30G.739 Principal characteristics of second order multiplex equipment G.740G.749 Principal characteristics of higher order multiplex equipment G.750G.759 Principal characteristics of transcoder and digital multiplication equipment G.760G.769 Operations, administration and maintenance features of tra
6、nsmission equipment G.770G.779 Principal characteristics of multiplexing equipment for the synchronous digital hierarchy G.780G.789 Other terminal equipment G.790G.799 DIGITAL NETWORKS G.800G.899 DIGITAL SECTIONS AND DIGITAL LINE SYSTEM G.900G.999 MULTIMEDIA QUALITY OF SERVICE AND PERFORMANCE GENERI
7、C 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 ACCESS NETWORKS G.9000G.9999 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T G.798 (2
8、012)/Amd.3 (01/2017) i Recommendation ITU-T G.798 Characteristics of optical transport network hierarchy equipment functional blocks Amendment 3 Summary Amendment 3 to Recommendation ITU-T G.798 (2012): adds Beyond 100 Gbit/s equipment functions and processes includes the specification of OTUCn and
9、ODUCn functions by generalizes OTUk and ODUk functions to OTU and ODU adds ODUflex to FlexE client and subgroup adaptation functions adds FlexO functions and processes deletes the ODU virtual concatenation functions deletes the ODUkP to ATM adaptation functions removes the processes related to the T
10、CM ACT and FTFL overhead fields History Edition Recommendation Approval Study Group Unique ID* 1.0 ITU-T G.798 2002-01-06 15 11.1002/1000/5604 1.1 ITU-T G.798 (2002) Amd. 1 2002-06-13 15 11.1002/1000/6057 2.0 ITU-T G.798 2004-06-13 15 11.1002/1000/7329 3.0 ITU-T G.798 2006-12-14 15 11.1002/1000/8983
11、 3.1 ITU-T G.798 (2006) Amd. 1 2008-12-12 15 11.1002/1000/9669 3.2 ITU-T G.798 (2006) Cor.1 2009-01-13 15 11.1002/1000/9647 4.0 ITU-T G.798 2010-10-22 15 11.1002/1000/10877 4.1 ITU-T G.798 (2010) Cor. 1 2011-04-13 15 11.1002/1000/11117 4.2 ITU-T G.798 (2010) Amd. 1 2011-07-22 15 11.1002/1000/11116 4
12、.3 ITU-T G.798 (2010) Cor. 2 2012-02-13 15 11.1002/1000/11488 4.4 ITU-T G.798 (2010) Amd. 2 2012-04-06 15 11.1002/1000/11487 5.0 ITU-T G.798 2012-12-22 15 11.1002/1000/11778 5.1 ITU-T G.798 (2012) Amd. 1 2014-05-14 15 11.1002/1000/12179 5.2 ITU-T G.798 (2012) Amd. 2 2015-01-13 15 11.1002/1000/12367
13、5.3 ITU-T G.798 (2012) Cor.1 2015-08-13 15 11.1002/1000/12529 5.4 ITU-T G.798 (2012) Amd. 3 2017-01-12 15 11.1002/1000/13081 * 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:/hand
14、le.itu.int/11.1002/1000/11830-en. ii Rec. ITU-T G.798 (2012)/Amd.3 (01/2017) 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 Standardizat
15、ion 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), which mee
16、ts 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 within ITU-Ts
17、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 Recommendation is
18、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 as “must“ a
19、nd 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 Recommendation may inv
20、olve 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 of this Rec
21、ommendation, 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 therefore strongly urged to consult the TSB patent database at h
22、ttp:/www.itu.int/ITU-T/ipr/. ITU 2017 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.798 (2012)/Amd.3 (01/2017) iii Table of Contents Page 1) Scope . 1 2) Modifications to clause 1 1 3) Modificati
23、ons to clause 2 3 4) Modifications to clause 3 3 5) Modifications to clause 4 6 6) Modifications to clause 5 7 7) Modifications to clause 6 8 8) Modifications to clause 8 13 9) Modifications to clause 13 17 10) Modifications to clause 14 45 11) New clause 15 . 215 12) New Annex B . 229 Rec. ITU-T G.
24、798 (2012)/Amd.3 (01/2017) 1 Recommendation ITU-T G.798 Characteristics of optical transport network hierarchy equipment functional blocks Amendement 3 1) Scope This amendment contains text modifications and additions extending the set of atomic functions in ITU-T G.798 to support Beyond 100 Gbit/s
25、OTN, FlexO, FlexE client and subgroup signals. It deletes the ODU virtual concatenation and ODUkP to ATM adaptation functions as well as the processing of the TCM ACT and FTFL overhead fields. 2) Modifications to clause 1 Replace Figure 1-3 with the following: 2 Rec. ITU-T G.798 (2012)/Amd.3 (01/201
26、7) O T U k V O T U k V _ R PO D U k P /O D U i jO D U k P - h /O D U j - 2 1O D U k P /C B R xO D U k P - g /C B R xO D U 0 P /C B R xO D U k P /N U L LO D U k P /P R B SO D U k P /C O M M SO C h /O T U k V O T U k V _ T C PO T U k V _ C PO D U k P /R S nO D U 2 P /E t h P P - O SO D U 2 e P /F C -
27、1 2 0 0O D U k P - h /E T HO D U k P - h /M TE T H _ T F P E T H _ F P S C C _ C P M T _ C PO T U k V /O D U kO D U k TO D U k T /O D U kO T U k V O C h /O T U k V O T U k V /O D U kO T U k V _ A PO D U k _ C PO D U k T _ R PO D U k TO D U k T /O D U kODUkT_TCMCODUkT_TCMCO D U k T _ A P O D U k T _
28、A PO C h _ A P O C h _ A PO D U k PO D U k P _ R PO D U k _ T C PO D U k _ C PO D U k PO D U k P _ A PO D U k Pn o n - i n t r u s i v e m o n i t o rO D U k Tn o n - i n t r u s i v e m o n i t o rO D U k T m O D U k PO D U kO D U k _ C P O D U k _ C PC O M M S _ C PC B R x _ C P C B R x _ C P C B
29、R x _ C P R S n _ C PE t h P P - O S _ C P F C - 1 2 0 0 _ C PO D U k P /O D U i jO D U k P - h /O D U j - 2 1O D U k P /C B R xO D U k P - g /C B R xO D U 0 P /C B R xO D U k P /N U L LO D U k P /P R B SO D U k P /C O M M SO D U k P /R S nO D U 2 P /E t h P P - O SO D U 2 e P /F C - 1 2 0 0O D U k
30、P - h /E T HO D U k P - h /M TE T H _ T F PE T H _ F PS C C _ C PM T _ C PO D U k _ C PO D U k _ C PC O M M S _ C PC B R x _ C PC B R x _ C PC B R x _ C PR S n _ C PE t h P P - O S _ C PF C - 1 2 0 0 _ C PO T U C nO T U C n _ R PO D U C n P /O D U kO D U C n P /N U L LO D U C n P /P R B SO D U C n P
31、 /C O M M SO T S i /O T U C nO T U C n _ T C PO T U C n _ C PO T U C n /O D U C nO D U C n TO D U C n T /O D U C nO T U C nO T S i /O T U C nO T U C n /O D U C nO T S i G /O T U C nO T S i A /O T U C nO T S i G /O T U C nO T S i A /O T U C nO T U C n _ A PO D U C n _ T C PO D U C n T _ R P O D U C n
32、 TO D U C n T /O D U C nODUCnT_TCMCODUCnT_TCMCO D U C n T _ A PO T S i _ A PO T S i G _ A PO T S i A _ A P O T S i _ A P O T S i G _ A P O T S i A _ A PO D U C n PO D U C n P _ R PO D U C n _ T C PO D U C n PO D U C n P _ A PO D U C n Pn o n - i n t r u s i v e m o n i t o rO D U C n Tn o n - i n t
33、r u s i v e m o n i t o rO D U C n T mO D U C n PO D U k _ C P C O M M S _ C PO D U C n P /O D U kO D U C n P /N U L LO D U C n P /P R B SO D U C n P /C O M M SO D U k _ C PC O M M S _ C PN O T E - O T S i G / A / O T U C n f u n c t i o n s a r e f o r f u r t h e r s t u d yFigure 1-3 OTN common a
34、tomic functions Rec. ITU-T G.798 (2012)/Amd.3 (01/2017) 3 3) Modifications to clause 2 Update the following references: ITU-T G.664 Recommendation ITU-T G.664 (20122006), Optical safety procedures and requirements for optical transport systems. ITU-T G.694.1 Recommendation ITU-T G.694.1 (20122002),
35、Spectral grids for WDM applications: DWDM frequency grid. ITU-T G.695 Recommendation ITU-T G.695 (20152010), Optical interfaces for coarse wavelength division multiplexing applications. ITU-T G.709 Recommendation ITU-T G.709/Y.1331 (20162012), Interfaces for the optical transport network. ITU-T G.78
36、0 Recommendation ITU-T G.780/Y.1351 (2010), Terms and definitions for synchronous digital hierarchy (SDHSDN) networks. ITU-T G.784 Recommendation ITU-T G.784 (20081999), Synchronous digital hierarchy (SDH) management. ITU-T G.806 Recommendation ITU-T G.806 (20122009), Characteristics of transport eq
37、uipment Description methodology and generic functionality. ITU-T G.808.1 Recommendation ITU-T G.808.1 (20142010), Generic protection switching Linear trail and subnetwork protection. ITU-T G.872 Recommendation ITU-T G.872 (20162001), Architecture of optical transport networks. ITU-T G.873.1 Recommen
38、dation ITU-T G.873.1 (20142006), Optical transport network (OTN): Linear protection. ITU-T G.873.2 Recommendation ITU-T G.873.2 (2015), ODUk shared ring protection. ITU-T G.874 Recommendation ITU-T G.874 (20132008), Management aspects of optical transport network elements. ITU-T G.959.1 Recommendati
39、on ITU-T G.959.1 (20122009), Optical transport network physical layer interfaces. ITU-T G.7042 Recommendation ITU-T G.7042/Y.1305 (2006), Link capacity adjustment scheme (LCAS) for virtual concatenated signals. ITU-T G.8021 Recommendation ITU-T G.8021/Y.1341 (20152010), Characteristics of Ethernet t
40、ransport network equipment functional blocks. ITU-T G.8121 Recommendation ITU-T G.8121/Y.1381 (20162013), Characteristics of MPLS-TP equipment functional blocks. ITU-T I.150 Recommendation ITU-T I.150 (1999), B-ISDN asynchronous transfer mode functional characteristics. ITU-T I.321 Recommendation IT
41、U-T I.321 (1991), B-ISDN protocol reference model and its application. ITU-T I.361 Recommendation ITU-T I.361 (1999), B-ISDN ATM layer specification. ITU-T I.371 Recommendation ITU-T I.371 (2004), Traffic control and congestion control in B-ISDN. 4 Rec. ITU-T G.798 (2012)/Amd.3 (01/2017) ITU-T I.432
42、.1 Recommendation ITU-T I.432.1 (1999), B-ISDN user-network interface Physical layer specification: General characteristics. ITU-T I.610 Recommendation ITU-T I.610 (1999), B-ISDN operation and maintenance principles and functions. ITU-T I.732 Recommendation ITU-T I.732 (2000), Functional characteris
43、tics of ATM equipment. IEEE 802.3 IEEE Std. 802.3-20152008, IEEE Standard for EthernetInformation 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)
44、 Access Method and Physical Layer Specifications. IEEE 802.3ba IEEE Std. 802.3ba-2010, IEEE Standard for Information technology Telecommunications and information exchange between systems Local and metropolitan area networks Specific requirements Part 3: Carrier Sense Multiple Access with Collision
45、Detection (CSMA/CD) Access Method and Physical Layer Specifications Amendment 4: Media Access Control Parameters, Physical Layers, and Management Parameters for 40 Gb/s and 100 Gb/s Operation. ETSI TR 101 290 ETSI TR 101 290 V1.3.1 V1.2.1 (20142001), Digital Video Broadcasting (DVB); Measurement gui
46、delines for DVB systems. OIF FlexE Optical Internetworking Forum, OIF-FLEXE-01.0 (2016), Flex Ethernet Implementation Agreement 1.0. 4) Modifications to clause 3 Replace clause 3 with the following text: 3 Definitions 3.1 Terms defined elsewhere This Recommendation uses the following terms defined e
47、lsewhere: 3.1.1 Terms defined in ITU-T G.709: completely standardized OTUk (OTUk). connection monitoring end point (CMEP) functionally standardized OTUk (OTUkV) ODUk path (ODUkP) ODUk TCM (ODUkT) optical channel (OCh) optical data unit (ODU) optical payload unit (OPU) optical transport unit (OTU) op
48、tical transport network (OTN) Rec. ITU-T G.798 (2012)/Amd.3 (01/2017) 5 optical tributary signal assembly (OTSiA) optical tributary signal group (OTSiG) optical tributary signal overhead (OTSiG-O) 3.1.2 Terms defined in ITU-T G.780: BIP-X switching bidirectional (protection) switching unidirectional
49、 (protection) switching 3.1.3 Terms defined in ITU-T G.805: access point (AP) adapted information (AI) characteristic information (CI) connection point (CP) network subnetwork subnetwork connection (SNC) 3.1.4 Terms defined in ITU-T G.806: adaptation function (A) compound function connection function (C) connection matr
