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., PER Specifies standard encoding for types Encoding definition modules Encoding class Encoding object One encoding link module Application of encoding Encoding structures for types One possible encoding for each type Applies encoding for types Specifies logical contents of a protocol message ASN.1 modulesASN.1 modules • From ASN.1 point of view, ECN is transparent, no modifications in the ASN.1 specification. Example-ASN1 DEFINITIONS AUTOMATIC TAGS ::= BEGIN MyType ::= INTEGER (0..7) END Encoding definition modulesEncoding definition modules • Encoding definition module contains • encoding classes • encoding objects • encoding object sets • Encoding classes specify • encoding structure, i.e., what are the bitfields that an encoding of a type is composed of • Encoding objects specify • how abstract values of a type are mapped to the bitfields • what are the relations between different bitfields, like length and presence determinant fields and determined fields • how the bitfields are encoded • Encoding object sets are • collections of encoding objects to be applied to ASN.1 types Encoding definition modulesEncoding definition modules Example-EDM ENCODING-DEFINITIONS ::= BEGIN IMPORTS #MyType -- Implicit encoding class for an ASN.1 FROM Example-ASN1; -- type, #MyType ::= #INT (0..7) MyEncodings #ENCODINGS ::= { myType-encoding } -- Encoding object set with one object. myType-encoding #MyType ::= { -- Encoding object which produces ENCODING { -- the same encoding as PER would. (...) ExtensibleInteger ::= INTEGER (1..256) • Problem: • Minimize the encoding size • Make sure that senders do not send spare values Extension of value sets of INTEGER typesExtension of value sets of INTEGER types Ignore spare valuesIgnore spare values • The following encoding object specifies that • it is not allowed to send spare values but it is allowed to receive them extensibleInteger-encoding #ExtensibleInteger::= { ENCODE-DECODE { USE #INT (1..224) -- no padding bits needed MAPPING ORDERED VALUES WITH per-int-encoding } DECODE-AS-IF per-int-encoding } per-int-encoding #INTEGER ::= { ENCODE WITH PER-BASIC-UNALIGNED } Encoding object setEncoding object set • Collect encoding objects in one encoding object set MyEncodings #ENCODINGS ::= { messages-encoding | sequence-with-length-determinant-encoding | extensibleInteger-encoding } Encoding link moduleEncoding link module Example-ELM LINK-DEFNITIONS ::= BEGIN IMPORTS #Messages, -- Implicit encoding classes #ExtensibleInteger FROM Example-ASN1 #MessageA-Extensions, -- Explicitly renamed encoding classes #MessageB-Extensions, #MessageC-Extensions, MyEncodings -- Encoding object set FROM Example-EDM; ENCODE #Messages, #ExtensibleInteger, #MessageA-Extensions, #MessageB-Extensions, #MessageC-Extensions WITH MyEncodings COMPLETED BY PER-BASIC-UNALIGNED END ECN Presentation SummaryECN Presentation Summary • The basic concepts of ECN are fairly simple • Application area and wanted encoding features affect a lot of how ECN can be applied • Multiple ways to achieve the same goal • What is specified in ASN.1 and what in ECN • Generic ECN vs. specific ECN
Language:English
Score: 708838.1 - https://www.itu.int/en/ITU-T/a...ECN_Introduction_June_2001.pdf
Data Source: un
Remote-Operations-Information-Objects (Rec. X.880:07/1994) -- Module Remote-Operations-Information-Objects (X.880:07/1994) -- See also ITU-T X.880 (1994) Technical Cor. 1 (07/1995) -- See also the index of all ASN.1 assignments needed in this Recommendation Remote-Operations-Information-Objects {joint-iso-itu-t remote-operations(4) informationObjects(5) version1(0)} DEFINITIONS ::= BEGIN -- exports everything IMPORTS emptyBind, emptyUnbind FROM Remote-Operations-Useful-Definitions {joint-iso-itu-t remote-operations(4) useful-definitions(7) version1(0)}; OPERATION ::= CLASS { &ArgumentType OPTIONAL , &argumentTypeOptional BOOLEAN OPTIONAL , &returnResult BOOLEAN DEFAULT TRUE , &ResultType OPTIONAL , &resultTypeOptional BOOLEAN OPTIONAL , &Errors ERROR OPTIONAL , &Linked OPERATION OPTIONAL , &synchronous BOOLEAN DEFAULT FALSE , &alwaysReturns BOOLEAN DEFAULT TRUE , &InvokePriority Priority OPTIONAL , &ResultPriority Priority OPTIONAL , &operationCode Code UNIQUE OPTIONAL } WITH SYNTAX { [ARGUMENT &ArgumentType [OPTIONAL &argumentTypeOptional]] [RESULT &ResultType [OPTIONAL &resultTypeOptional]] [RETURN RESULT &returnResult] [ERRORS &Errors] [LINKED &Linked] [SYNCHRONOUS &synchronous] [ALWAYS RESPONDS &alwaysReturns] [INVOKE PRIORITY &InvokePriority] [RESULT-PRIORITY &ResultPriority] [CODE &operationCode] } ERROR ::= CLASS { &ParameterType OPTIONAL , ¶meterTypeOptional BOOLEAN OPTIONAL , &ErrorPriority Priority OPTIONAL , &errorCode Code UNIQUE OPTIONAL } WITH SYNTAX { [PARAMETER &ParameterType [OPTIONAL ¶meterTypeOptional]] [PRIORITY &ErrorPriority] [CODE &errorCode] } OPERATION-PACKAGE ::= CLASS { &Both OPERATION OPTIONAL , &Consumer OPERATION OPTIONAL , &Supplier OPERATION OPTIONAL , &id OBJECT IDENTIFIER UNIQUE OPTIONAL } -- continued on the next page WITH SYNTAX { [OPERATIONS &Both] [CONSUMER INVOKES &Supplier] [SUPPLIER INVOKES &Consumer] [ID &id] } CONNECTION-PACKAGE ::= CLASS { &bind OPERATION DEFAULT emptyBind , &unbind OPERATION DEFAULT emptyUnbind , &responderCanUnbind BOOLEAN DEFAULT FALSE , &unbindCanFail BOOLEAN DEFAULT FALSE , &id OBJECT IDENTIFIER UNIQUE OPTIONAL } WITH SYNTAX { [BIND &bind] [UNBIND &unbind] [RESPONDER UNBIND &responderCanUnbind] [FAILURE TO UNBIND &unbindCanFail] [ID &id] } CONTRACT ::= CLASS { &connection CONNECTION-PACKAGE OPTIONAL , &OperationsOf OPERATION-PACKAGE OPTIONAL , &InitiatorConsumerOf OPERATION-PACKAGE OPTIONAL , &InitiatorSupplierOf OPERATION-PACKAGE OPTIONAL , &id OBJECT IDENTIFIER UNIQUE OPTIONAL } WITH SYNTAX { [CONNECTION &connection] [OPERATIONS OF &OperationsOf] [INITIATOR CONSUMER OF &InitiatorConsumerOf] [RESPONDER CONSUMER OF &InitiatorSupplierOf] [ID &id] } ROS-OBJECT-CLASS ::= CLASS { &Is ROS-OBJECT-CLASS OPTIONAL , &Initiates CONTRACT OPTIONAL , &Responds CONTRACT OPTIONAL , &InitiatesAndResponds CONTRACT OPTIONAL , &id OBJECT IDENTIFIER UNIQUE } WITH SYNTAX { [IS &Is] [BOTH &InitiatesAndResponds] [INITIATES &Initiates] [RESPONDS &Responds] ID &id } Code ::= CHOICE {local INTEGER , global OBJECT IDENTIFIER } Priority ::= INTEGER (0.. MAX ) END -- end of Information Object specifications -- Generated by Asnp, the ASN.1 pretty-printer of France Telecom R&D
Language:English
Score: 708466.46 - https://www.itu.int/wftp3/Publ...tions-Information-Objects.html
Data Source: un
Remote-Operations-Information-Objects (X.880:07/1994) -- Module Remote-Operations-Information-Objects (X.880:07/1994) -- See also ITU-T X.880 (1994) Amend. 1 (11/1995) -- See also the index of all ASN.1 assignments needed in this document Remote-Operations-Information-Objects {joint-iso-itu-t remote-operations(4) informationObjects(5) version2(1)} DEFINITIONS ::= BEGIN -- exports everything IMPORTS emptyBind, emptyUnbind FROM Remote-Operations-Useful-Definitions {joint-iso-itu-t remote-operations(4) useful-definitions(7) version2(1)}; OPERATION ::= CLASS { &ArgumentType OPTIONAL , &argumentTypeOptional BOOLEAN OPTIONAL , &returnResult BOOLEAN DEFAULT TRUE , &ResultType OPTIONAL , &resultTypeOptional BOOLEAN OPTIONAL , &Errors ERROR OPTIONAL , &Linked OPERATION OPTIONAL , &synchronous BOOLEAN DEFAULT FALSE , &idempotent BOOLEAN DEFAULT FALSE , &alwaysReturns BOOLEAN DEFAULT TRUE , &InvokePriority Priority OPTIONAL , &ResultPriority Priority OPTIONAL , &operationCode Code UNIQUE OPTIONAL } WITH SYNTAX { [ARGUMENT &ArgumentType [OPTIONAL &argumentTypeOptional]] [RESULT &ResultType [OPTIONAL &resultTypeOptional]] [RETURN RESULT &returnResult] [ERRORS &Errors] [LINKED &Linked] [SYNCHRONOUS &synchronous] [IDEMPOTENT &idempotent] [ALWAYS RESPONDS &alwaysReturns] [INVOKE PRIORITY &InvokePriority] [RESULT-PRIORITY &ResultPriority] [CODE &operationCode] } ERROR ::= CLASS { &ParameterType OPTIONAL , ¶meterTypeOptional BOOLEAN OPTIONAL , &ErrorPriority Priority OPTIONAL , &errorCode Code UNIQUE OPTIONAL } WITH SYNTAX { [PARAMETER &ParameterType [OPTIONAL ¶meterTypeOptional]] [PRIORITY &ErrorPriority] [CODE &errorCode] } OPERATION-PACKAGE ::= CLASS { &Both OPERATION OPTIONAL , &Consumer OPERATION OPTIONAL , &Supplier OPERATION OPTIONAL , &id OBJECT IDENTIFIER UNIQUE OPTIONAL } -- continued on the next page WITH SYNTAX { [OPERATIONS &Both] [CONSUMER INVOKES &Supplier] [SUPPLIER INVOKES &Consumer] [ID &id] } CONNECTION-PACKAGE ::= CLASS { &bind OPERATION DEFAULT emptyBind , &unbind OPERATION DEFAULT emptyUnbind , &responderCanUnbind BOOLEAN DEFAULT FALSE , &unbindCanFail BOOLEAN DEFAULT FALSE , &id OBJECT IDENTIFIER UNIQUE OPTIONAL } WITH SYNTAX { [BIND &bind] [UNBIND &unbind] [RESPONDER UNBIND &responderCanUnbind] [FAILURE TO UNBIND &unbindCanFail] [ID &id] } CONTRACT ::= CLASS { &connection CONNECTION-PACKAGE OPTIONAL , &OperationsOf OPERATION-PACKAGE OPTIONAL , &InitiatorConsumerOf OPERATION-PACKAGE OPTIONAL , &InitiatorSupplierOf OPERATION-PACKAGE OPTIONAL , &id OBJECT IDENTIFIER UNIQUE OPTIONAL } WITH SYNTAX { [CONNECTION &connection] [OPERATIONS OF &OperationsOf] [INITIATOR CONSUMER OF &InitiatorConsumerOf] [RESPONDER CONSUMER OF &InitiatorSupplierOf] [ID &id] } ROS-OBJECT-CLASS ::= CLASS { &Is ROS-OBJECT-CLASS OPTIONAL , &Initiates CONTRACT OPTIONAL , &Responds CONTRACT OPTIONAL , &InitiatesAndResponds CONTRACT OPTIONAL , &id OBJECT IDENTIFIER UNIQUE } WITH SYNTAX { [IS &Is] [BOTH &InitiatesAndResponds] [INITIATES &Initiates] [RESPONDS &Responds] ID &id } Code ::= CHOICE {local INTEGER , global OBJECT IDENTIFIER } Priority ::= INTEGER (0.. MAX ) END -- end of Information Object specifications -- Generated by Asnp, the ASN.1 pretty-printer of France Telecom R&D
Language:English
Score: 708466.46 - https://www.itu.int/wftp3/Publ...tions-Information-Objects.html
Data Source: un
Output linked to this objective: · Study groups, working parties, task and joint groups, conference preparatory meetings. (...) STRATEGIC APPROACHES Two Outputs are linked to this objective: · Bridging the Standardization Gap (BSG); WTSA Resolution 44 (Rev. (...) Output linked to this objective: · Management, coordination and representation of the Union Objective 2: Efficient planning coordination and execution of the corporate, strategic. external relations, communication and inter-sectoral activities of the Union.
Language:English
Score: 707486.6 - https://www.itu.int/plenipotentiary/2010/pd/RBB.docx
Data Source: un
Trust computation happens when the state of an object is changed or an interaction occurs between objects. (...) It also provides trust-adapting capabilities to enable effective and efficient adaptation of trust knowledge to services.  Trust Linking: Trust linking is a module capable of creating a link between social-cyber-physical objects based on trust metrics.  Trust IdM: The identity management (IdM) can be used to manage digital identification/authentication of social-cyber-physical objects. Trust IdM assures the identity of trustworthy objects and support trust-based services.  Trust-based Recommendation: This module provides recommendations to other objects.
Language:English
Score: 706270.2 - https://www.itu.int/en/publica.../files/basic-html/page196.html
Data Source: un
The operational state of an object shall be set to 'disabled' whenever a link is in a non-operational state, e.g. because of a layer 1 failure or a remote link blocking request. Contained time slot objects will be set to 'disabled'. If the link is in the 'operational' or 'normal' state, the attribute shall be set to 'enabled'. (...) Semi-permanent and reserved connections will be re-established onto other links if possible. Contained time slot objects will be set to 'disabled'.
Language:English
Score: 705267.77 - https://www.itu.int/wftp3/Publ...tu-t/q/q824.5/1997/q824.5.html
Data Source: un
The operational state of an object shall be set to 'disabled' whenever a link is in a non-operational state, e.g. because of a layer 1 failure or a remote link blocking request. Contained time slot objects will be set to 'disabled'. If the link is in the 'operational' or 'normal' state, the attribute shall be set to 'enabled'. (...) Semi-permanent and reserved connections will be re-established onto other links if possible. Contained time slot objects will be set to 'disabled'.
Language:English
Score: 705267.77 - https://www.itu.int/wftp3/Publ...itu-t/q/q824.5/1997/q824.5.gdm
Data Source: un
Any desire for new classes must be balanced with the requirement of feasible implementation, and the number of classes must be small for implementations to scale in global networks. The QoS objectives are applicable when access link speeds are at the T1 or E1 rate and higher. (...) In these cases, the ITU‑T sets no objectives regarding these parameters and any default Y.1541 objectives for these parameters can be ignored. (...) The objectives require more study, since fundamental network design options are rapidly changing. 7 Achievement of the performance objectives Further study is required to determine how to achieve these performance objectives when multiple network providers are involved.
Language:English
Score: 704262.06 - https://www.itu.int/wftp3/av-a...e/2001-2004/0110_Dub/TD-33.doc
Data Source: un
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 and 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 OSI standardization. dLSAP MANAGED OBJECT CLASS DERIVED FROM "GMI":sap1; REGISTERED AS {DLM.moi dLSAP(13)}; -- Name Bindings -- IMPORT "GMI":sap1-communicationsEntity NAME BINDING dLSAP-datalinkEntity-Management NAME BINDING SUBORDINATE OBJECT CLASS dLSAP AND SUBCLASSES; NAMED BY SUPERIOR OBJECT CLASS datalinkEntity AND SUBCLASSES; WITH ATTRIBUTE "GMI":sapId; BEHAVIOUR dLSAP-datalinkEntity-Management-B BEHAVIOUR DEFINED AS The name binding which applies when a dLSAP managed object (or an instance of a sub-class of the dLSAP MO class) can be created by management as a subordinate object of a datalinkEntity managed object (or sub-class), and deleted by management.;; CREATE; DELETE ONLY-IF-NO-CONTAINED-OBJECTS; REGISTERED AS {DLM.nboi dLSAP-datalinkEntity-Management(2)}; -- There may be multiple instances of the lAPBDLE managed object in a system. -- Systems not supporting the LAPB Data Link procedures defined in ISO/IEC 7776 -- are not required to support the lAPBDLE and contained managed objects. -- The lAPBDLE managed object has a conditional mlp Package. (...) Lost multilink frames.;; REGISTERED AS {DLM.aoi timesMT1Expired(51)}; -- The sLPPM managed object represents the operation of the LAPB Data Link -- layer protocol machine described in ISO/IEC 7776 over a single physical -- link.
Language:English
Score: 701906.93 - https://www.itu.int/wftp3/Publ.../fl/itu-t/x/x282/1999/x282.gdm
Data Source: un
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 and 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 OSI standardization. dLSAP MANAGED OBJECT CLASS DERIVED FROM "GMI": sap1 ; REGISTERED AS {DLM. moi dLSAP(13)}; -- Name Bindings -- IMPORT "GMI":sap1-communicationsEntity NAME BINDING dLSAP-datalinkEntity-Management NAME BINDING SUBORDINATE OBJECT CLASS dLSAP AND SUBCLASSES ; NAMED BY SUPERIOR OBJECT CLASS datalinkEntity AND SUBCLASSES ; WITH ATTRIBUTE "GMI": sapId ; BEHAVIOUR dLSAP-datalinkEntity-Management-B BEHAVIOUR DEFINED AS The name binding which applies when a dLSAP managed object (or an instance of a sub-class of the dLSAP MO class) can be created by management as a subordinate object of a datalinkEntity managed object (or sub-class), and deleted by management.;; CREATE ; DELETE ONLY-IF-NO-CONTAINED-OBJECTS ; REGISTERED AS {DLM. nboi dLSAP-datalinkEntity-Management(2)}; -- There may be multiple instances of the lAPBDLE managed object in a system. -- Systems not supporting the LAPB Data Link procedures defined in ISO/IEC 7776 -- are not required to support the lAPBDLE and contained managed objects. -- The lAPBDLE managed object has a conditional mlp Package. (...) Lost multilink frames.;; REGISTERED AS {DLM. aoi timesMT1Expired(51)}; -- The sLPPM managed object represents the operation of the LAPB Data Link -- layer protocol machine described in ISO/IEC 7776 over a single physical -- link.
Language:English
Score: 701906.93 - https://www.itu.int/wftp3/Publ...fl/itu-t/x/x282/1999/x282.html
Data Source: un