1、INTERNATIONAL TELECOMMUNICATION UNION ITU=T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU G.854.12 (03199) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital transmission systems - Digital networks - Management of transport network Com pu tat i on a I vi ewpo i n t for
2、p re-p rovis i o n ed link management ITU-T Recommendation G.854.12 (Previously CCIlT Recommendation) STDmITU-T RECMN G*B54#3S-ENGL 3999 E 4852593 Obb00ZB 925 ITU-T G-SERIES RECOMMENDATIONS TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS INTERNATIONAL TELEPHONE CONNECTIONS AND CIRCUITS
3、G. 1 OO-G. 199 INTERNATIONAL ANALOGUE CARRIER SYSTEM TRANSMISSION SYSTEMS SYSTEMS ON METALLIC LINES GENERAL CHARACTERISTICS COMMON TO ALL ANALOGUE CARRIER- G.200-G.299 INDIVIDUAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE G ,300-G.399 GENERAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHON
4、E SYSTEMS ON RADIO-RELAY OR SATELLITE LINKS AND INTERCONNECTION G.400-G.449 WITH METALLIC LINES COORDINATION OF RADIOTELEPHONY AND LINE TELEPHONY TESTING EQUIPMENTS G.450-G.499 TRANSMISSION MEDIA CHARACTERISTICS G.600-G.699 DIGITAL TRANSMISSION SYSTEMS TERMINAL EQUIPMENTS G.700-G.799 DIGITAL NETWORK
5、S G. 800-G. 899 General aspects G.800-G.809 Design objectives for digital networks Network capabilities and functions G.830-G.839 G.810-G.819 Quality and availability targets G. 820-G.829 SDH network characteristics G. 840-G.849 SDH radio and satellite systems integration G.860-G.869 Optical transpo
6、rt networks G.870-G.879 G.900-G.999 DIGITAL SECTIONS AND DIGITAL LINE SYSTEM For further details, please refer to ITU-T List of Recommendations COMPUTATIONAL VIEWPOINT FOR PRE-PROVISIONED LINK MANAGEMENT Summary The pre-provisioned link management service provides functionality to addremove transpor
7、t entities (link connections or connection termination points) to/from client linking entities (links/link ends). The client linking entities have to be created using the topology management community (see G.85x.3 series of Recommendations). The transport entities that could be potentially added to
8、the client linking entity have to be provided using either the pre-provisioned adaptation management (see G.85x.8 series of Recommendations) within topological linking entities or using the link management within client linking entities. Enterprise community actions covered by this Recommendation: -
9、 COMMUNITY plm “pre-provisioned link management“; - “add transport entities to client linking entity“; - “remove transport entities from client linking entity“; - “report client linking entity capacity change“. Source ITU-T Recommendation G.854.12 was prepared by ITU-T Study Group 4 (1997-2000) and
10、was approved under the WTSC Resolution No. 1 procedure on the 26th of March 1999. Recommendation 6.854.12 (03/99) 1 STD-ITU-T RECMN G-854.L2-ENGL 1999 = 4862591 Ch60030 583 I FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunicati
11、ons. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the ITU. The 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 Telecommu
12、nication Standardization Conference (WTSC), which meets every four years, establishes the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTS
13、C Resolution No. I. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. NOTE In this Recommendation the term recognized operating agency (ROA) includes any individual, company, corporation or govern
14、mental organization that operates a public correspondence service. The terms Administration, ROA and public correspondence are defined in the Constitution of the ITU (Geneva, 1992). INTELLECTUAL PROPERTY RIGHTS The ITU draws attention to the possibility that the practice or implementation of this Re
15、commendation may involve the use of a claimed Intellectual Property Right. The 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
16、 of approval of this Recommendation, the ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementors are cautioned that this may not represent the latest information and are therefore strongly urged to cons
17、ult the TSB patent database. O ITU 1999 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. II Recommendation G.854.12 (03199) STD-ITU-T
18、 RECMN G.854-32-ENGL 3999 111. 4862573 Obh0033r VIT m CONTENTS Page 1 2 3 4 5 6 7 7.1 7.2 7.3 7.4 Scope References Definitions Abbreviations . Conventions Label references Interfaces Query interfaces Operational interfaces . 7.2.1 7.2.2 Pre-provisioned link management interface Pre-provisioned link
19、end management interface . Report interfaces . Pre-provisioned link end management reporting interface . ASN . 1 supporting productions . 7.3.1 7.3.2 Pre-provisioned link management reporting interface Recommendation G.854.12 (03/99) 1 1 1 1 2 2 3 3 4 4 6 9 9 10 12 . 111 Recommendation G.854.12 COMP
20、UTATIONAL VIEWPOINT FOR PRE-PROVISIONED LINK MANAGEMENT (Geneva, 1999) 1 Scope This computational viewpoint specification is related to the pre-provisioned link management enterprise specification defined in Recommendation G.852.12 and to the pre-provisioned link management information specification
21、 defined in Recommendation G.853.12. 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 ot
22、her references are subject to revision; all 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. i
23、 ITU-T Recommendation G.851.1 (1996), Management of the transport network - Application of the RM-ODP framework. 2 ITU-T Recommendation G.853.1 (1999), Common elements of the information viewpoint for the management of a transport network. 3 ITU-T Recornmendation G.852.12 (1 999), Enterprise viewpoi
24、nt for pre-provisioned Zink management. 4 ITU-T Recommendation G.853.12 (1 999), Information viewpoint for pre-provisioned link management. 5 ITU-T Recommendation G.852.8 (1 999), Enterprise viewpoint for pre-provisioned adaptation management. 6 ITU-T Recommendation G.853.8 (i999), Information viewp
25、oint for pre-provisioned adaptation management. 3 Definitions None. 4 Abbreviations This Recommendation uses the following abbreviations: ASN. 1 Abstract Syntax Notation One CTP Connection Termination Point Id Identifier Ifce Interface Recommendation G.854.12 (03/99) 1 STD-ITU-T RECMN G54L2-ENGL 399
26、9 II 4b254L 0660033 29Z II Full label reference layerND Layer Network Domain LC Link Connection LE LinkEnd LND Layer Network Domain ND Network Domain Pam Pre-provisioned Adaptation Management Plm Pre-provisioned Link Management Local label reference plmClientLink 5 Conventions In order to increase t
27、he readability of the behaviour in the operations: - - In this Recommendation, when an interface is used in an ASN.l production, the same label will be used starting with a capital letter. This complete ASN.l production for this Query Interface (e.g. use of OBJECT IDENTIFIER, INTEGER, etc.) will be
28、developed as part of the Engineering Viewpoint within the concerned technology. parameters are written in bold; elements defined in the information specification are written in italic. 6 plmLayerNetworkDomain plmLinkConnection plmNetworkCTP plmProviderLink plmProviderLinkEnd Label references Table l
29、/G.854.12 - Label references 1inkEndHasNetworkCTPc representSameResourceAs pam AvailableLinkCapacity I I plmClientLinkEnd I I I iinkHasLinkConnections I Full ASN.l production reference 1 Local label reference I I I I I SimpleNameType INTEGER 2 Recommendation 6.854.12 (03199) 7 Interfaces 7.1 Query i
30、nterfaces This specification refers to interfaces that allow get access identification and properties of resources involved in the “pre-provisioned link management“ community. As the invocation of contained operations do not modi any state, there is no interest to develop them explicitly. Their exac
31、t signature will be developed as part of the engineering viewpoint, with the concerned technology. These interfaces are listed in Table 2 with the information to which they allow access to. Table 2/G.854.12 - Correspondence between interface names, information objects, attributes and relationships I
32、nterface name 3lmClientLinkQueryIfce plmC 1ientLinkEndQueryIfce _ plmLayerNetworkDomainQuei plmLinkConnectionQueryIfce plmNetworkCTPQuery1 fce Information object :plmClientLink Attributes and relationships :resourceId :signalIdentification :linkDirectionality :layerNetworkDomainIsMadeOf, IOLE: conta
33、inerLND :linkHasLinkConnections, IOLE: elementLC :resourceId csignalIdentification :topologicalEndDirection CsignalIdenti fication 7.2 Operational interfaces 7.2.1 Pre-provisioned link management interface The pre-provisioned link management interface provides functionality for adding and removing l
34、ink connections within links (arc-oriented view). It satisfies the enterprise requirements stated in . COMPUTATIONAL-INTERFACE plmLinkManagementIfce OPERATION ; OPERATION ; ) 7.2.1.1 add linkconnection to link OPERATION addLinkConnectionToLink INPUT-PARAMETERS layerND: 1ayerNetworkDomainIfce := PlmL
35、ayerNetworkDomainQuery Ifce involvedclientlink: PimClientLinkId; involvedProviderLink: PlmProviderLinkId; requestedLinkConnections: PimRequestedLinkConnectionChoice; providedLinkConnections: SetOfPLMLinkConnections; clientLinkDoNotExist: plmClientLink; providerLinkDoNotExist: plmProviderLink; 1inkAn
36、dLinkConnectionNotCompatible: plmlinkconnection; notEnoughLinkConnections: number := INTEGER; noLinkCapacity: NULL; failureToAddLinkConnections: NULL; failureToIncreaseCapacity: NULL; OUTPUT-P ARAMETERS RAISEDEXCEPTIONS 4 Recornmendation 6.854.12 (03/99) STDeITU-T RECMN G-B54*LZ-ENGL 1977 4862593 0b
37、b003b TTL I BEHAVIOUR SEMIFORMAL PARAMETER-MATCHING IayerND: ; involvedclientlink: ; involvedProviderLink: 4NFORMATION OBJECT plmProviderLink; setOfPLMLinkConnections ELEMENTS: ; PRE-CONDITIONS invclientLinkAvailable “involvedClientLink shall refer to element of the 4zyerNehvorkDomainlsMadeO relatio
38、nship where layerND refers to containerLND.“ “invoivedProviderLink shall refer to element of the EXCEPTIONS IF PRE-CONDITION inv-clientLinkAvailable NOT-VERIFIED RAISE-EXCEPTION clientLinkDoNotExist; IF PE-CONDITION invqroviderLinkAvailable NOT-VERIFIED RAISEEXCEPTION providerLinkDoNotExist; IF PREC
39、ONDITION inv-1inkAndLinkConnectionCornpatible NOT-VERIFIED RAISE-EXCEPTION 1inkAndLinkConnectionNotCompatible; IF PW-CONDITION inv-requestedNumberOfLinkConnectionsAvailable NOT-VERIFIED RAISE-EXCEPTION notEnoughLinkConnections; IF PRE-CONDITION inv- 1inkCapacityNotEmpty NOT-VERIFIED RAISEEXCEPTION n
40、olinklapacity; IF POST-CONDITION invaddLinkConnections NOT-VERIFIED RAISEEXCEPTION failureToAddLinkConnections; IF POST-CONDITION invcapacityIncrease NOT-VERIFIED RAISEEXCEPTION failureToIncreaseCapacity ; Recommendation G.854.12 (03/99) 5 STD*ITU-T RECMN G*854*12-ENGL 1999 0 4B62591 06h0037 938 R 7
41、.2.1.2 remove Linkconnection from Link OPERATION removeLinkConnectionFromLink INPUT-PARAMETERS layerND: 1ayerNetworkDomainIfce := PhnLayerNetworkDomaiQueryIfce involvedclientlink: PlmClientLinkId; involvedLinkConnections: SetOfPlmLinkConnections; OUTPUT-PARAMETERS - none RAISED-EXCEPTIONS 1inkDoNotE
42、xist: plmClientLink; invalidLinkConnection: plmLinkConnection; failureToRemoveLCs: NULL; failureToDecreaseCapacity: NULL; BEHAVIOR SEMI-FORMAL PARAMETER-MATCHING IayerND: ; involvedLinkConnections ELEMENTS: ; PRE-CONDITIONS invlinkAvailable “involvedClientLink shall refer to element of the relations
43、hip where involvedClientLink refers to confainerLink.“ inv-existingLinkConnections POST-CONDITIONS inv-LinkConnectionsRemoved “None of the involvedLinkConnections refer to elementLC in a relationship where involvedclientlink refers to containerlink.“ “ of referred to by involvedClientLink has been d
44、ecreased by the number of in involvedLinkConnections that have been requested to be removed.“; inv-capacity Decrease EXCEPTIONS IF PE-CONDITION inv-1inkAvailable NOT-VERIFIED RAISE-EXCEPTION IinkDoNotExist; IF PRE-CONDITION inv-existingLinkConnections NOT-VERIFIED RAISE-EXCEPTION IF POSTCONDITION in
45、v-LinkConnectionsRemoved NOT-VERIFIED RAISE-EXCEPTION IF POST-CONDITION inv-capacityDecrease NOT-VERIFIED RAISE-EXCEPTION invalidLinkConnection; failureToRemoveLCs; failureToDecreaseCapacity ; 1 7.2.2 The pre-provisioned link end management interface provides functionality for adding and removing CT
46、Ps within link ends (point-oriented view). It satisfies the enterprise requirements stated in . COMPUTATIONAL-INTERFACE plmLinkEndManagementIfce OPERATION ; OPERATION ; Pre-provisioned link end management interface 6 Recommendation 6.854.12 (03/99) STD-ITU-T RECMN G.854-12-ENGL 1999 4Bb2591i Obb0038
47、 874 II 7.2.2.1 OPERATION addNetworkCTPToLinkEnd INPUT-PARAMETERS add NetworkCTP to Link End layerND: 1ayerNetworkDomainIfce : := PlmLayerNetworkDomainQueryIfce involvedClientLinkEnd: PlmClientLinkEndId; involvedProviderLinkEnd: PlmProviderLinkEndId; requestedNetworkCTPs: PlmRequestedNetworkCTPChoic
48、e; providedNetworkCTPs: SetOfPLMNetworkCTPs; clientLinkEndDoNotExist: plmClientLinkEnd; providerLinkEndDoNotExist: plmProviderLinkEnd; 1inkEndAndNetworkCTotCompatible: plmNetworkCTP; notEnoughNetworkCTPs: number := INTEGER; noLinkEndCapacity: NULL; failureToAddNetworkCTPs: NULL; failureToIncreaseCap
49、acity : NULL; OUTPUT-PARAMETERS RAISED-EXCEPTIONS BEHAVIOUR SEMIFORMAL P ARAMETER-MATCHING IayerND: ; involvedClientLinkEnd: ; involvedProviderLinkEnd: ; setOfPLMNetworkCTPs ELEMENTS: ; PRE-CONDITIONS invclientLinkEndAvailable “invoivedCiientLinknd shall refer to element of the relationship where IayerND refers to containerLND.“ “invoivedProviderLinkEnd shall refer to element of the relationship where iayerND refers to containerLND.“ “requestedNetworkCTPs shall refer to elementCTP of the relationship where invoivedProviderLinknd refers to c
