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8.3.3.2 ML model training response
Table 8.3.3.2-1 describes the information flow of ML model training response from the AIMLE server to the VAL server. Table 8.3.3.2-1: ML model training response Information element Status Description Success response O (NOTE) Indicates that the ML model training request was successful. > ML model training ide...
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8.3.3.3 ML model training notification
Table 8.3.3.3-1 describes the information flow of ML model training notification from the AIMLE server to the VAL server. Table 8.3.3.3-1: ML model training notification Information element Status Description ML model training identifier M An identifier for the ML model training request the notification is for. ...
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8.4 Support for FL member registration
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8.4.1 General
This clause provides the procedures for the registration, registration update, and deregistration of candidate FL members in the ML repository which serves as service registry for the FL members undertaking a task related to the ML model lifecycle, such as ML model local training. Candidate FL members can be applicatio...
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8.4.2 Procedure on FL member registration information storage
Figure 8.4.2-1 illustrates the procedure where the registration of a candidate FL member happens via the ML repository, serving as AIML service registry. Figure 8.4.2-1: Procedure for FL member registration information storage 0. The candidate FL member sends an FL member registration request to AIMLE server and g...
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8.4.3 Procedure on FL member registration information storage update
Figure 8.4.3-1 illustrates the procedure where the registration update of a candidate FL member happens via the ML repository. Figure 8.4.3-1: Procedure for registration information update 0. The candidate FL member (e.g., VAL server or AIMLE client, or another AIMLE server) sends an FL member registration update ...
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8.4.4.1 General
The following information flows are specified for supporting the FL member registration information storage and registration information update based on clause 8.4.2 and clause 8.4.3.
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8.4.4.2 FL member registration information storage request
Table 8.4.4.2-1 describes information elements for the FL member registration information storage request AIMLE server to the ML repository/registry. Table 8.4.4.2-1: FL member registration information storage request Information element Status Description Security information M Information for ML repository to ...
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8.4.4.3 FL member registration information storage response
Table 8.4.4.3-1 describes information elements for the FL member registration information storage response to AIMLE server from the ML repository/registry. Table 8.4.4.3-1: FL member registration response Information element Status Description Result M The result of the registration request (positive or negative...
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8.4.4.4 FL member registration information storage update request
Table 8.4.4.4-1 describes information elements for the FL member registration information update request from AIMLE server to the ML repository/registry. Table 8.4.4.4-1: FL member registration information update request Information element Status Description Security information M Information for ML repository...
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8.4.4.5 FL member registration update response
Table 8.4.4.5-1 describes information elements for the FL member registration information update response to AIMLE server from the ML repository/registry. Table 8.4.4.5-1: FL member registration update response Information element Status Description Result M The result of the registration update request (positiv...
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8.4.4.6 FL member deregistration request
Table 8.4.4.6-1 describes information elements for the FL member deregistration request from the candidate FL member (VAL server, AIMLE server) to the ML repository/registry. Table 8.4.4.6-1: FL member deregistration request Information element Status Description Registration ID M The identity of the registered ...
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8.4.4.7 FL member deregistration response
Table 8.4.4.7-1 describes information elements for the FL member deregistration response to the candidate registered FL member (VAL server, AIMLE server) from the ML repository/registry. Table 8.4.4.7-1: FL member deregistration response Information element Status Description Result M The result of the deregistr...
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8.4.4.8 FL member registration request
Table 8.4.4.8-1 describes information elements for the FL member request from the VAL server to AIMLE server. Table 8.4.4.8-1: FL member registration request Information element Status Description VAL server ID M The identifier of the VAL server as candidate FL member. FL member supported AI/ML role M (NOTE) ...
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8.4.4.9 FL member registration information storage response
Table 8.4.4.9-1 describes information elements for the FL member registration response to VAL server from the AIMLE server. Table 8.4.4.9-1: FL member registration response Information element Status Description Result M The result of the registration request (positive or negative acknowledgement).
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8.5 Support for FL events subscription and notification
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8.5.1 General
This clause consists of the following procedures 1) the subscription for the FL related events in clause 8.5.2 and 2) the event notification procedure in clause 8.5.3. This capability targets the enhancements to a global ML repository acting as AIML service registry which monitors the status and changes to the availab...
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8.5.2 Procedure on subscription for FL related events
This procedure, as illustrated in Figure 8.5.2-1, describes the subscription for events related to FL member availability. Pre-conditions: 1. The AIMLE server has the authorization to subscribe for the FL-related events (events described in clause 8.5.4). Figure 8.5.2-1: Procedure for FL-related event subscriptio...
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8.5.3 Procedure on FL related event notification
This procedure describes the event notification procedure for the FL member availability. This can be triggered based on a change at the availability or capabilities of the candidate or selected FL members. Pre-conditions: 1. The subscription procedure in clause 8.5.2 was performed by the AIMLE server or VAL server (...
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8.5.4 Definition of FL-related Events
The definition of the FL related events is provided in Table 8.5.4-1. Table 8.5.4-1: Definition of FL related events Events Events Description Availability changes of FL member The event type relates to the availability change of a FL member. Such availability change can be an indication of availability or unavail...
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8.5.5 Information flows
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8.5.5.1 General
The following information flows are specified for supporting the FL events subscription and events notification based on clause 8.5.2 and clause 8.5.3.
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8.5.5.2 FL-related event subscription request
Table 8.5.5.2-1 describes information elements for FL-related event subscription request from the subscriber (AIMLE server, or VAL server (via AIMLE server)) to the ML repository. Table 8.5.5.2-1: FL-related event subscription request Information element Status Description Requestor Identifier M The identifier t...
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8.5.5.3 FL-related event subscription response
Table 8.5.5.3-1 describes information elements for the FL-related event subscription response to the subscriber (e.g. AIMLE server or VAL server (via AIMLE server)) from the ML repository. Table 8.5.5.3-1: FL-related event subscription response Information element Status Description Result M Indicates the succes...
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8.5.5.4 FL related event notification
Table 8.5.5.4-1 describes information elements for the FL-related event notification from the ML repository to the requestor (e.g., AIMLE server). Table 8.5.5.4-1: FL-related event notification Information element Status Description Subscription identifier M The unique identifier of the event subscription. Even...
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8.5.5.5 FL-related event notification acknowledgement
Table 8.5.5.5-1 describes information elements for the FL-related event notification acknowledgement from the AIMLE server to the ML repository. Table 8.5.5.5-1: FL-related event notification acknowledgement Information element Status Description Result M The positive or negative acknowledgement of the notificat...
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8.6 Support AI/ML Task Transfer
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8.6.1 General
The following clauses specify procedures to support AI/ML task transfer.
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8.6.2 Procedures for AI/ML task transfer
Due to various reasons (e.g., changes of available resource, changes of available time), an AI/ML member (e.g., AIMLE Client, VAL Client) finds itself cannot finish the assigned AI/ML task during the performing process. Here AI/ML member means the participant of an AI/ML task. To save resource and time, the AI/ML membe...
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8.6.2.1 Request AIMLE Server to assist AI/ML task transfer
Pre-conditions: 1. The information of target AI/ML member (e.g., another AIMLE Client or VAL Client different from the source AI/ML member) is unknown at the source AI/ML member. The source AI/ML member decides that assistance from the AIMLE Server is needed. 2. The source determines which AI/ML tasks to transfer. Fo...
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8.6.2.2 Request target AI/ML member for AI/ML task transfer
Figure 8.6.2.2-1: Procedure for requesting target AI/ML member for AI/ML task transfer Figure 8.6.2.2-1 illustrates the procedure for requesting target AI/ML member for AI/ML task transfer. The corresponding procedure in detail is as follows: 1. The AIMLE Server sends an AI/ML task transfer request to the selected ...
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8.6.2.3 Direct AI/ML task transfer
Pre-conditions: 1. The information of target AI/ML member (e.g., another AIMLE Client or VAL Client different from the source AI/ML member) is assumed to be known at the source AI/ML member, or the source AI/ML member may get the target AI/ML member information via ML repository. The source AI/ML member decides to tra...
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8.6.2.4 AIMLE server-controlled AI/ML task transfer
Pre-conditions: 1. The information of target AI/ML member (e.g. another AIMLE Client or VAL Client different from the source AI/ML member) is unknown at the source AI/ML member. The source AI/ML member decides that AIMLE server-controlled AI/ML task transfer is needed. Figure 8.6.2.4-1: Procedure for AIMLE server-c...
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8.6.3 Information flows
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8.6.3.1 General
The following information flows are specified for supporting AI/ML task transfer. In the following clauses 8.6.3.2 to 8.6.3.9, the source AI/ML member and the target AI/ML member could be e.g., VAL UE, AIMLE Client.
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8.6.3.2 AI/ML task transfer assist request
Table 8.6.3.2-1 describes information elements for the AI/ML task transfer assist request from the source AI/ML member to the AIMLE Server. Table 8.6.3.2-1: AI/ML task transfer assist request Information element Status Description Requestor identity M The identifier of the source AI/ML member (e.g. identifier of...
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8.6.3.3 AI/ML task transfer assist response
Table 8.6.3.3-1 describes information elements for the AI/ML task transfer assist response from the AIMLE Server to the source AI/ML member. Table 8.6.3.3-1: AI/ML task transfer assist response Information element Status Description Transfer Mode O Indication the transfer mode (e.g. direct transfer). Target AI/...
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8.6.3.4 AI/ML task transfer request
Table 8.6.3.4-1 describes information elements for the AI/ML task transfer request from the AIMLE Server to the target AI/ML member. Table 8.6.3.4-1: AI/ML task transfer request Information element Status Description Requestor identity M The identifier of the AIMLE server. Source AI/ML member M The identifier...
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8.6.3.5 AI/ML task transfer response
Table 8.6.3.5-1 describes information elements for the AI/ML task transfer response from the target AI/ML member to the AIMLE Server. Table 8.6.3.5-1: AI/ML task transfer response Information element Status Description Status M The status for the request: success or fail. AI/ML Task Transfer Time O Informatio...
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8.6.3.6 Direct AI/ML task transfer request
Table 8.6.3.6-1 describes information elements for the direct AI/ML task transfer request from the source AI/ML member to the target AI/ML member. Table 8.6.3.6-1: Direct AI/ML task transfer request Information element Status Description Requestor identity M The identifier of the source AI/ML member (e.g. identi...
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8.6.3.7 Direct AI/ML task transfer Response
Table 8.6.3.7-1 describes information elements for the direct AI/ML task transfer response from the target AI/ML member to the source AI/ML member. Table 8.6.3.7-1: Direct AI/ML task transfer response Information element Status Description Status M The status for the request: success or fail.
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8.6.3.8 AIMLE server-controlled AI/ML task transfer request
Table 8.6.3.8-1 describes information elements for the AIMLE server-controlled AI/ML task transfer request from the source AI/ML member to the AIMLE server. Table 8.6.3.8-1: AIMLE server-controlled AI/ML task transfer request Information element Status Description Requestor identity M The identifier of the sourc...
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8.6.3.9 AIMLE server-controlled AI/ML task transfer Response
Table 8.6.3.9-1 describes information elements for the AIMLE server-controlled AI/ML task transfer response from the AIMLE server to the source AI/ML member. Table 8.6.3.9-1: AIMLE server-controlled AI/ML task transfer response Information element Status Description Status M The status for the request: success o...
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8.7 AIMLE client registration
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8.7.1 General
Prior to participation in AI/ML operations, AI/ML capable UEs register to an AIMLE server and provide an AIMLE client profile and optionally a list of supported services. The AIMLE server uses information provided by the AIMLE client to discover and select suitable AIMLE clients for requested AI/ML operations. When a ...
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8.7.2 Procedures
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8.7.2.1 General
The following are supported for AIMLE client registration: - AIMLE client registration procedure; - AIMLE client registration update procedure; and - AIMLE client de-registration procedure
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8.7.2.2 AIMLE client registration
Pre-conditions: 1. The AIMLE client has been pre-configured or has discovered the address (e.g., URI) of the AIMLE server. 2. The AIMLE client has been pre-configured with an AIMLE client profile. 3. The AIMLE client has determined the serving PLMN identifier. Figure 8.7.2.2-1: AIMLE client registration 1. T...
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8.7.2.3 AIMLE client registration update
Pre-conditions: 1. The AIMLE client has already registered with the AIMLE Server. Figure 8.7.2.3-1: AIMLE client registration update 1. The AIMLE client sends an AIMLE client registration update request to the AIMLE server, the registration update shall include registration identifier, updated list of supported ...
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8.7.2.4 AIMLE client de-registration
Pre-conditions: 1. The AIMLE client has already registered with the AIMLE Server. Figure 8.7.2.4-1: AIMLE client de-registration 1. The AIMLE client sends an AIMLE client de-registration request to the AIMLE server. The request shall include registration identifier as described in Table 8.7.3.6-1. 2. The AIML...
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8.7.3 Information flows
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8.7.3.1 General
The following information flows are specified for AIMLE client registration: - AIMLE client registration request and response; - AIMLE client registration update request and response; and - AIMLE client de-registration request and response
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8.7.3.2 AIMLE client registration request
Table 8.7.3.2-1 shows the request sent by an AIMLE client to an AIMLE server for the AIMLE client registration request. Table 8.7.3.2-1: AIMLE client registration request Information element Status Description Requestor identifier M The identifier of the requestor. List of supported profiles M Supported AIML ...
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8.7.3.3 AIMLE client registration response
Table 8.7.3.3-1 shows the AIMLE client registration response sent by the AIMLE server to the AIMLE client. Table 8.7.3.3-1: AIMLE client registration response Information element Status Description Successful response O (NOTE) Indicates that the registration was successful. > Registration ID M The identifie...
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8.7.3.4 AIMLE client registration update request
Table 8.7.3.4-1 shows the request sent by an AIMLE client to an AIMLE server for the AIMLE client registration update request. Table 8.7.3.4-1: AIMLE client registration update request Information element Status Description Registration identifier M Identifier of the existing registration for which the update re...
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8.7.3.5 AIMLE client registration update response
Table 8.7.3.5-1 shows the AIMLE client de-registration update response sent by the AIMLE server to the AIMLE client. Table 8.7.3.5-1: AIMLE client registration update response Information element Status Description Successful response O (NOTE) Indicates that the registration update request was successful. > Ex...
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8.7.3.6 AIMLE client de-registration request
Table 8.7.3.6-1 shows the request sent by an AIMLE client to an AIMLE server for the AIMLE client de-registration request. Table 8.7.3.6-1: AIMLE client de-registration request Information element Status Description Registration ID M Identifier of the existing registration for which the update request applies. ...
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8.7.3.7 AIMLE client de-registration response
Table 8.7.3.7-1 shows the AIMLE client de-registration response sent by the AIMLE server to the AIMLE client. Table 8.7.3.7-1: AIMLE client de-registration response Information element Status Description Successful response O (NOTE) Indicates that the de-registration request was successful. Failure response ...
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8.8 AIMLE client discovery
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8.8.1 General
Discovery of AIMLE clients is an important step in the AI/ML process for distributed, federated, split AI/ML, and transfer learning. Due to the nature of such learning, VAL servers need to discover suitable AIMLE clients to fulfil the requirements for the AI/ML application. The VAL server can then use the discovered AI...
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8.8.2 Procedure
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8.8.2.1 AIMLE client discovery
Pre-conditions: 1. AIMLE clients that support AI/ML operations have registered with the AIMLE server and included their AIMLE client profiles and optionally a list of supported services. 2. The AIMLE server can access a ML repository to obtain AIMLE client profiles and supported services associated with AIMLE client...
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8.8.3 Information flows
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8.8.3.1 AIMLE client discovery request
Table 8.8.3.1-1 shows the request sent by a requestor (e.g., VAL server, AIMLE server) to an AIMLE server for the AIMLE client discovery procedure. Table 8.8.3.1-1: AIMLE client discovery request Information element Status Description Requestor identity M The identifier of the requestor (e.g., VAL server, AIMLE ...
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8.8.3.2 AIMLE client discovery response
Table 8.8.3.2-1 shows the response sent by the AIMLE server to the VAL server for the AIMLE client discovery procedure. Table 8.8.3.2-1: AIMLE client discovery response Information element Status Description Status M The status for the request: success or fail. List of AIMLE client IDs M A list of AIMLE clien...
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8.9 AIMLE client selection
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8.9.1 General
The AIMLE client selection procedure has two modes of operation: VAL server selection and AIMLE server selection. In VAL server selection, a List of AIMLE client IDs is provided to form an AIMLE client set, which can be used for AI/ML operations (e.g., training). In AIMLE server selection, a VAL server provides AIMLE c...
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8.9.2 Procedure
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8.9.2.1 AIMLE client selection
Pre-conditions: 1. AIMLE clients that support AI/ML operations have registered with the AIMLE server and included their AIMLE client profiles and optionally a list of supported services. 2. The AIMLE server can access a ML repository to obtain AIMLE client profiles and supported services associated with the AIMLE cli...
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8.9.3 Information flows
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8.9.3.1 AIMLE client selection request
Table 8.9.3.1-1 shows the request sent by a requestor (e.g., VAL server, AIMLE server) to an AIMLE server for the AIMLE client selection procedure. Table 8.9.3.1-1: AIMLE client selection request Information element Status Description Requestor identity M The identifier of the requestor (e.g., VAL server, AIMLE ...
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8.9.3.2 AIMLE client selection response
Table 8.9.3.2-1 shows the response sent by the AIMLE server to the requestor (e.g., VAL server, AIMLE server) for the AIMLE client selection procedure. Table 8.9.3.2-1: AIMLE client selection response Information element Status Description Status M The status for the request: success or fail. AIMLE client set i...
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8.10 AIMLE client participation
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8.10.1 General
The following clauses specify procedures, information flows, and APIs for AIMLE client participation.
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8.10.2 Procedure
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8.10.2.1 AIMLE client participation
Figure 8.10.2.1-1: AIMLE client participation 1. An AIMLE server sends an AIMLE client participation request to an AIMLE client to verify participation in AI/ML operation(s). The request includes information as described in Table 8.10.3.1-1. 2. The AIMLE client acknowledge its willingness to be part of (or removed ...
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8.10.3 Information flows
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8.10.3.1 AIMLE client participation request
Table 8.10.3.1-1 shows the request sent by the AIMLE server to each AIMLE client selected for AIMLE client participation procedure. Table 8.10.3.1-1: AIMLE client participation request Information element Status Description Requestor identity M The identifier of the requestor. AIMLE client set identifier M An...
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8.10.3.2 AIMLE client participation response
Table 8.10.3.2-1 shows the response sent by the AIMLE clients to the AIMLE server for the AIMLE client participation procedure. Table 8.10.3.2-1: AIMLE client participation response Information element Status Description Status M The status for the request: success or failure. Participation agreement O (NOTE...
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8.11 ML model management
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8.11.1 General
In this functionality, two prodedures are described in more detail in clause 8.11.2 and clause 8.11.3 accordingly: - Clause 8.11.2 for ML model information storage; - Clause 8.11.3 for ML model information discovery.
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8.11.2 ML model information storage
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8.11.2.1 AIMLE server-initiated ML model information storage
Figure 8.11.2.1-1 illustrates the procedure of the AIMLE server-initiated ML model information storage. Pre-condition: 1. The AIMLE server has either received application specific model details from AIML consumer or produced analytics model. Figure 8.11.2.1-1: AIMLE server-initiated ML model information storage 1...
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8.11.2.2 AIMLE consumer-initiated ML model information storage
Figure 8.11.2.2-1 illustrates the procedure of AIMLE consumer-initiated ML model information storage. Pre-condition: 1. AIMLE consumer such as AIMLE client or VAL server has ML model or address to ML model. Figure 8.11.2.2-1: AIMLE consumer-initiated ML model information storage 1. An AIMLE client or a VAL server...
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8.11.3 ML model information discovery
Figure 8.11.3-1 illustrates the procedure of ML model information discovery. Pre-condition: 1. Either AIMLE consumer has requested to discover ML model or AIMLE server decides to discover model for training. Figure 8.11.3-1: ML model information discovery 1. The AIMLE server sends an ML model information discove...
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8.11.4 Information flows
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8.11.4.1 ML model information storage request
Table 8.11.4.1-1 describes the information flow from the AIMLE server to the ML repository or from the AIMLE client/VAL server to the AIMLE server as a request for the ML model information storage. Table 8.11.4.1-1: ML model information storage request Information element Status Description Requestor Identity M ...
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8.11.4.2 ML model information storage response
Table 8.11.4.2-1 describes the information flow from the ML repository to the AIMLE server or from the AIMLE server to the AIMLE client/VAL server as a response for the ML model information storage request. Table 8.11.4.2-1: ML model information storage response Information element Status Description Result M In...
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8.11.4.3 ML model information discovery request
Table 8.11.4.3-1 describes the information flow from the AIMLE server to the ML repository as a request for the ML model information discovery. Table 8.11.4.3-1: ML model information discovery request Information element Status Description Requester Identity M The identity of the ML repository consumer performin...
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8.11.4.4 ML model information discovery response
Table 8.11.4.4-1 describes the information flow from the model repository to the AIMLE server as a response for the ML model information discovery request. Table 8.11.4.4-1: ML model information discovery response Information element Status Description Successful response O (NOTE 1) Indicates that the request...
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8.12 HFL training
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8.12.1 General
AI/ML training is a highly iterative process and is performed over many training rounds. In the case of federated and distributed learning, the training is performed with many AIMLE clients. Due to the repetitive nature of AI/ML training, the AIMLE server can be configured to manage the training process over multiple t...
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8.12.2 Procedure
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8.12.2.1 HFL training subscription and notification
Pre-conditions: 1. AIMLE client discovery and selection have been performed. 2. Datasets are available and prepared for AI/ML training at the AIMLE clients. The datasets are assigned identifiers for use in HFL training. Figure 8.12.2-1: HFL training subscription and notification 1. An AIMLE server receives an ML ...
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8.12.2.2 HFL training subscription update
Pre-conditions: - The AIMLE server has subscribed for the HFL training with the AIMLE client. Figure 8.12.2-2: HFL training subscription update 1. The AIMLE server sends the HFL training subscription update request containing the subscription identifier and new information as described in Table 8.12.3.1-4 to the A...
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8.12.2.3 HFL training unsubscription
Pre-conditions: - The AIMLE server has subscribed for the HFL training with the AIMLE client. Figure 8.12.2-3: HFL training unsubscription 1. The AIMLE server sends the HFL training unsubscription request containing the subscription identifier to the AIMLE Client. 2. Upon receiving the request from the AIMLE serv...
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8.12.3 Information flows
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8.12.3.1 HFL training subscription request
Table 8.12.3.1-1 shows the request sent by the AIMLE server to AIMLE clients for the HFL training subscription and HLF training subscription update procedure. Table 8.12.3.1-1: HFL training subscription request Information element Status Description Requestor identifier M The identifier of the requestor. AI/M...
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8.12.3.2 HFL training subscription response
Table 8.12.3.2-1 shows the response sent by AIMLE clients to the AIMLE server for the HFL training subscription procedure. Table 8.12.3.2-1: HFL training subscription response Information element Status Description Status M The status for the subscription request: success, fail. Subscription ID O An identifie...
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8.12.3.3 HFL training subscription notification
Table 8.12.3.3-1 shows the notification sent by AIMLE clients to the AIMLE server for the HFL training subscription procedure. Table 8.12.3.3-1: HFL training subscription notification Information element Status Description Status M Status for the request: success, fail. VAL service ID M The VAL service identi...