1、I N T E R N AT IO N A L S TA N D A R D ISO/IEC 10742 First edition 199408-01 (Reaffirmed 2004) Information technology - Telecommunications and information exchange between systems - Elements of management information related to OS1 Data Link Layer standards Technologies de /information - T61dcommuni
2、cations et Bchange din formation entre syst com mon S t at eC han g e- B BE H AV IO U R DEFINED AS Managed object class imports the ISO/IEC 101 65-2 statechange notification. Used to report the changes to the operationalState attribute, and where present, the administrativestate attribute. A single
3、parameter set is included in the State change definition field. Only the (mandatory) attributeld and (optional) newAttributeValue parameters are used.; - Attribute Groups timers AlTRlBUTE GROUP - Empty group definition. Timer attributes are added to the group in - package definitions. DESCRIPTION Th
4、e group of all timer attributes; REGISTERED AS DLM.agoi timers(1); 8 0 ISO/IEC 5.3 The Data Link Subsystem managed object - There shall be exactly one of these managed objects within a system. - It exists to provide a container for all managed objects in a system - that relate to the operation of th
5、e Datalink layer. - The datalinksubsystem managed object can not be created or deleted - explicitly by management operation. It exists inherentty in a system; - created and deleted as part of system operation. - datalinksubsystem MANAGED OBJECT CLASS DERIVED FROM “GM1“:subsystem; CHARACTERIZED BY da
6、talinksubsystem-P PACKAGE AlTRIBUTES “GMI“:subsystemld INITIAL VALUE DLM.datalinkSubsystem1d-Value GET; REGISTERED AS DLM.moi datalinkSubsystem(1); - Name Bindings ISOAEC 10742 : 1994 (E) - IMPORT “GMI“:subsystern-system NAME BINDING 9 ISOAEC 10742 : 1994 (E) 5.4 The Data Link Entity managed object
7、0 ISOAEC - The generic DLE MO from which protocol- and media-specific DLE MOs - may be derived. datalinkEntity MANAGED OBJECT CLASS DER I V E D FROM “ G M I I : co m rn u n icat io n s E n t ity ; CHARACTERIZED BY datalinkE ntity-P PACKAGE BEHAVIOUR comrnonCreationDeletion-B, comrnonStateChange-B; p
8、roviderEntityNames REPLACE-WITH-DEFAULT ATTRIBUTES G ET-R E PLACE; ATTRIBUTE GROUPS “DM 1“:state NOTIFICATIONS “DM 1“:operationalState; I D M I “ : o bjectC reat ion, “DMI“:objectDeletion, “DMI“:stateChange; REGISTERED AS DLM.moi datalinkEntity(2); - Name Bindings - IMPORT “GM1“:communicationsEntity
9、-subsystem NAME BINDING datalinkEntity-datalinksubsystem-Management NAME BINDING SUBORDINATE OBJECT CLASS datalinkEntity AND SUBCLASSES; NAMED BY SUPERIOR OBJECT CLASS datalinkSubsystem AND SUBCLASSES; WITH ATTRIBUTE “GMI“:communicationsEntityld; BEHAVIOUR datalinkEntity-datalinksubsystem-Management
10、-B BEHAVIOUR DEFINED AS The name binding which applies when a datalinkEntity managed object (or an instance of a subclass of the datalinkEntity MO class) can be created by management as a subordinate object of the datalinkSubsystem managed object (or subclass), and deleted by management.; CREATE; RE
11、GISTER E D AS D LM - n boi datal i n kE n tity -dat al i n kS u bsyst em- Man age ment ( 1 ) ; DELETE ONLY-IF-NO-CONTAINED-OBJECTS; - Attributes providerEntityNames ATTRIBUTE WITH ATTRIBUTE SYNTAX DLM.GroupObjects; BEHAVIOUR providerEntityNarnes-B BEHAVIOUR MATCH ES FOR EQUALITY, S ET-CO M PAR I SON
12、, S ET- I NTERS ECT IO N ; DEFINED AS The distinguished names of provider entity managed objects. The managed objects that represent the entities to be used to provide services to this entity.; REGISTERED AS DLM.aoi providerEntityNames(11); 10 0 ISOAEC ISOAEC 10742 : 1994 (E) 5.5 The Data Link Servi
13、ce Access Point managed object - The dLSAP managed object class is used to represent a service access - point at which services are provided by a DLE to the user entity. - Instances of the dLSAP managed object class are contained within - instances of subclasses derived from the datalinkEntity manag
14、ed object - class. Constraints on the number of contained dLSAP MOs and any - specific semantics of the attributes are given as part of the definition - of the containing DLE managed object class. _ - A dLSAP managed object may be created and deleted explicitly by - management operation or created a
15、nd deleted automatically as part of - system operation, e.g. when a user of the Data Link layer service - requests and is granted use of the service. The mechanism by which - this happens is a local matter and not subject to OS1 standardisation. dLSAP MANAGED OBJECT CLASS DERIVED FROM “GMI“:sapl; RE
16、GISTERED AS (DLM.moi dLSAP(13); - Name Bindings - IMPORT “GM I“:sapl -communicationsEntity NAME BINDING dLSAP-datalinkEntity-Management NAME BINDING SUBORDINATE OBJECT CLASS dLSAP AND SUBCLASSES; NAMED BY SUPERIOR OBJECT CLASS datalinkEntity AND SUBCLASSES; WITH All R I BUT E “ G M I I: sap Id ; BEH
17、AVIOUR dLSAP-datalinkEntity-Management-B BEHAVIOUR DEFINED AS The name binding which applies when a dLSAP managed object (or an instance of a subclass of the dLSAP MO class) can be created by management as a subordinate object of a datalinkEntity managed object (or subclass), and deleted by manageme
18、nt.; CREATE; REGISTERED AS DLM.nboi dLSAP-datalinkhtity-Management(2); DELETE ONLY - I F- NO-CONTAI N ED-OW ECTS; ISOAEC 10742 : 1994 (E) 5.6 The LAPB Data Link Entity managed object 0 ISOAEC - There may be multiple instances of the IAPBDLE managed object in a - system. Systems not supporting the LA
19、PB Data Link procedures defined - in IS 7776 are not required to support the IAPBDLE and contained -.managed objects. - The IAPBDLE managed object has a conditional rnlp Package. There may - be multiple instances of IAPBDLE MO in a system, both with and without - the rnlp Package. For those instance
20、s in which the package is absent, - the rnlp procedures do not apply and the IAPBDLE MO may contain at - most one sLPPM MO. For those instances in which the package is - present, the mlp procedures do apply and the IAPBDLE MO may contain - multiple instances of sLPPM MO. - A IAPBDLE MO may contain a
21、t most one dLSAP MO. The value of the - sap1 Address attribute is of no significance. The cardinality of the - userEntityNarnes attribute is limited to one. - A IAPBDLE MO may be created and deleted explicitly by - management operation or created and deleted automatically as - part of system operati
22、on. - When the IAPBDLE MO is operable, the operationalstate shall - have the value enabled; otherwise it shall have the value disabled. - Transitions of operationalState shall be reported using the - statechange notification. _ _ _ _ IAPBDLE MANAGED OBJECT CLASS DERIVED FROM datalinkEntity; CONDITIO
23、NAL PACKAGES mLP-P PRESENT IF IAPBDLE supports mlp procedures, mT2-P PRESENT IF IAPBDLE supports mlp procedures and rnT2 timer.; REGISTERED AS DLM.moi IAPBDLE(3); - Packages mLP-P PACKAGE BEHAVIOUR mLP-P-B BEHAVIOUR DEFINED AS Additional properties of an IAPBDLE MO, present when mlp procedures suppo
24、rted.; ATTRIBUTES mT1 Timer REPLACE-WITH-DEFAULT mT3Timer REPLACE-WITH-DEFAULT G ET-R EPLACE, GET-REPLACE; ATTRIBUTE GROUPS timers mT1Timer mT3Timer; REGISTERED AS DLM.poi rnLP-P(1); mT2-P PACKAGE BEHAVIOUR mT2-P-B BEHAVIOUR DEFINED AS Additional properties present when mT2 timer is supported.; ATTR
25、IBUTES mT2Timer REPLACE-WITH-DEFAULT G ET-R EPLACE; ATTRIBUTE GROUPS timers mT2Timer; REGISTERED AS DLM.poi mT2-P(5); 12 0 ISOAEC - Attributes ISOAEC 10742 : 1994 (E) mT 1 Ti mer ATTR I 6 UTE DERIVED FROM “GMI“:timer; BEHAVIOUR mT1Timer-B BEHAVIOUR DEFINED AS Value of the IS0 7776 parameter MTl (los
26、t frame timer). Unit is seconds.; REGISTERED AS DLM.aoi mTlTimer(l2); mT2Timer ATTRIBUTE DERIVED FROM “GMI“:timer; BEHAVIOUR mT2Timer-B BEHAVIOUR DEFINED AS Value of the IS0 7776 parameter MT2 (group busy timer). Unit is seconds.; REGISTERED AS DLM.aoi mT2Tirner(l3); mT3Ti me r ATR I BUT E DERIVED F
27、ROM “GMI“:timer; BEHAVIOUR mT3Tirner-B BEHAVIOUR DEFINED AS Value of the IS0 7776 parameter MT3 (mlp reset confirmation timer). Unit is seconds.; REGISTERED AS DLM.aoi mTSTimer(l4); lSO/lEC 10742 : 1994 (E) 0 ISOAEC 5.7 The LAPB Single Link Protocol Machine managed object - The sLPPM managed object
28、represents the operation of the MPB Data - Link layer protocol machine described in IS 7776 over a single physical - link. An sLPPM managed object may contain at most one sLPConnection - MO and one or more sLPConnectionlVM0. - An sLPPM MO may be created and deleted explicitly by - management operati
29、on or created and deleted automatically as - part of system operation. - When the sLPPM MO is operable, the operationalstate shall - have the value enabled; otherwise it shall have the value disabled. - Transitions of operationalState shall be reported using the - statechange notification. - -_ sLPP
30、M MANAGED OBJECT CLASS DERIVED FROM “GM1“:coProtocolMachine; CHARACTERIZED BY sLPPM-P PACKAGE BEHAVIOUR commonCreationDeletion-6, commonStateChange-B; “DMI“:state ATTRIBUTE GROUPS “DM1“:operationalState; ACTIONS “Wl“:activate, “GMI“:deactivate; WOTl FI CAT IO N S “DM I“:objectCreation, “DM I“:object
31、Deletion, “DMI“:stateChange; REGISTERED AS DLM.moi sLPPM(4); - Name Bindings - IMPORT “GM 1“:coProtocolMachine-entity NAME BINDING sLPf M-IAPBDLE-Management NAME BINDING SUBORDINATE OBJECT CLASS sLPPM AND SUBCLASSES; NAMED BY SUPERIOR OBJECT CLASS IAPBDLE AND SUBCLASSES; WITH ATTRl BUTE “GM 1“:co Pr
32、otocol Machinel d; BEHAVIOUR sLPPM-IAPBDLE-Management-B BEHAVIOUR DEFINED AS The name binding which applies when a sLPPM managed object (or an instance of a subclass of the sLPPM MO class) can be created by management as a subordinate object of a IAPBDLE managed object (or subclass), and deleted by
33、management.; CREATE; REGISTERED AS DLM.nboi sLPPM-IAPBDLE-Management(3); DELETE ONLY-I F-NO-CONTAINED-OBJ ECTS; 14 0 ISO/IEC ISOAEC 10742 : 1994 (E) 5.8 The LAPB Single Link Protocol Connection managed object - The sLPConnection managed object represents the local view of a - connection between LAPB
34、 DLEs over a single physical link. - An sLPConnection MO is created automatically as part of system - operation. - An sLPConnection MO may be deleted automatically as part of system - operation or may be deleted as a result of the deactivate or delete - management - operations. An sLPConnectionlVM0
35、may be used as the source of - initial values of attributes of an sIpConnection MO. sLPConnection MANAGED OBJECT CLASS DERIVED FROM “GM1“:singlePeerConnection; CHARACTERIZED BY cornmonSLPConnection-P, sLPConnection- P; t3-P PRESENT IF Optional Timer T3 of IS0 7776 is supported.; CONDITIONAL PACKAGES
36、 REGISTERED AS DLM.moi sLPConnection(5); - Packages commonSLPConnection-P PACKAGE BEHAVIOUR ATTRl BUTES commonCreationDeletion-B; interfaceType REP LAC E-W ITH-D EFAU LT DEFAULT VALUE DLM.interfaceTypeDefault - dTE G ET-R E P LACE, GET- R E P LAC E, GET-REPLACE, G ET-R E PLACE, GET-R EPLACE, k REPLA
37、CE-WITH-DEFAULT n 1 REPLACE- W ITH- DE FAU LT n2 RE P LAC E- W ITH - D E FA U LT sequence Modu Ius REP LACE- W ITH-DE FAU LT tl Timer REPLACE-WITH-DEFAULT t2Timer REPLACE-WITH-DEFAULT t4Tirner REPLACE-WITH-DEFAULT GET- R EPLAC E, GET- REPLACE, G ET- R EPLAC E; ATTRIBUTE GROUPS timers tl Timer t2Time
38、r t4Timer; NOTIFICATIONS “DM I“:objectCreation, “DM 1“:objectDeletion; ; - not registered sLPConnection-P PACKAGE BEHAVIOUR common DeactivateConnection-B, com mon StateC h an g e- B, f RMRReceivedCommunicationsAlarm-B; fCSErrorsReceived GET, f RM RsReceived GET, ATTRIBUTES 15 ISOAEC 10742 : 1994 (E)
39、 fRMRsSent GET, iFrameDataOctetsReceived GET, iFrameDataOctetsSent GET, iFramesReceived GET, iFramesSent GET, pollsReceived GET, rEJsReceived GET, r EJsSent GET, rNRsReceived GET, rNRsSent GET, sABMsReceived GET, sABMsSent GET, sLPProtocolState GET, timesT1 Expired GET; “GMI“:counters ATTRIBUTE GROU
40、PS fCSErrorsReceived f RM RsReceived f RM RsSent iFrameDataOctetsReceived iFrameDataOctetsSent i Frames Received iFramesSent po I Is R eceived rE JsReceived rEJsSent rNRsReceived rNRsSent sA B M s Received sABMsSent timesT1 Expired, sLPProtocolState; I D M I I: s tat e ACTIONS NOT I F I CAT1 0 N S f
41、RMR; - Note: The fRMR parameter is carried - as additionallnformation in the communicationsAlarm. “G M 1“:deactivate; “DMI“:cornmunicationsAlarrn ; - not registered t3-P PACKAGE BEHAVIOUR t3-P-B BEHAVIOUR DEFINED AS Present if the optional Timer T3 is supported.; ATTRIBUTES t3Timer REPLACE-WITH-DEFA
42、ULT t imesT3 Expi red GET- R E PLACE, GET; ATRIBUTE GROUPS “GM1“:counters timers timesT3Expired, t3Timer; REGISTERED AS DLM.poi t3-P(2); - 8ehaviours commonDeactivateConnection-B BEHAVIOUR DEFINED AS Managed object class imports the ISOAEC 101 65-5 deactivate 16 0 ISOIIEC lSO/IEC 10742 : 1994 (E) ac
43、tion. The deactivate action causes the connection to be terminated. The termination should occur as rapidly as practical, but no particular time constraints are implied. Typically, this action simulates a disconnect request received across the service interface. If a more rapid means for terminating
44、 the connection exists, then this should be used. The termination shall occur in conformance to the protocol standard. The Managed Object remains in existence after completion of the deactivate action. It is subsequently deleted when the connection is terminated, in the same way as if the connection
45、 had been terminated by other means. A deactivate action may fail (with the ProcessingFailure response) if it is temporarily not possible to terminate the connection.; fRMRReceivedCommunicationsAlarm-8 BEHAVIOUR DEFINED AS Managed object imports the ISO/fEC 101 65-2 communicationsAlarm notification.
46、 Used to report the following conditions: fRMRReceived - A FRMR frame is received. The received FRMR frame is reported as additionallnformation in the notification, using the fRMR parameter. The significance subparameter shall be set as described above. The probablecause parameter is set to the valu
47、e communicationsProtocol Error. The value DtM.fRMRReceived shall be reported in the specificProblems parameter. In addition, the reason why the frame was sent is also returned in specificProblems. Values are specified in the DLM ASN.l module for controlFieldUndefinedOrUnimplemented, infoFieldLengthG
48、reaterThanMaximum, invalidNR, formatError, and nonSpecific. The perceivedseverity parameter is set to the value Minor. A subsequent communicationsAlarm with a perceivedseverity value of Cleared is not generated. No other parameters are used.; sLPConnection-sLPPM-Automatic-B BEHAVIOUR DEFINED AS The name binding which applies when an stPConnection managed object (or an instance of a subclass of the sLPConnection MO class) is created automatically by the operation of the system as a subordinate object of an sL
