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8.14.2.5 Split operation event subscription
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8.14.2.5.1 General
Clause 8.14.2.5.2 and clause 8.14.2.5.3 together illustrate the split operation subscribe/notify model. Clause 8.14.2.5.4 illustrates the split operation subscription update procedure. Clause 8.14.2.5.5 illustrates the split operation unsubscribe procedure.
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8.14.2.5.2 Subscribe
Figure 8.14.2.5.2-1 illustrates the procedure for an AIMLE client or VAL server to subscribe with the AIMLE server to be notified of events related to split AI/ML operation. Pre-conditions: 1. The AIMLE client or VAL server has received information (e.g. URI, IP address) related to the AIMLE Server; 2. The AIMLE cli...
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8.14.2.5.3 Notify
Figure 8.14.2.5.3-1 illustrates the split operation notify operation between the AIMLE server and an AIMLE client or VAL server. Pre-conditions: 2. The AIMLE client or VAL server has subscribed for split operation with the AIMLE Server; Figure 8.14.2.5.3-1: Split operation notification 1. The AIMLE server detec...
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8.14.2.5.4 Subscription update
Figure 8.14.2.5.4-1 illustrates the procedure for an AIMLE client or VAL server to update a subscription with the AIMLE server. Pre-conditions: 2. The AIMLE client or VAL server has subscribed for split operation with the AIMLE Server; Figure 8.14.2.5.4-1: Split operation subscription update 1. The requestor (e.g...
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8.14.2.5.5 Unsubscribe
Figure 8.14.2.5.5-1 illustrates the procedure for an AIMLE client or VAL server to unsubscribe with the AIMLE server. Pre-conditions: 1. The AIMLE client or VAL server has subscribed for split operation with the AIMLE Server; Figure 8.14.2.5.4-1: Split operation unsubscribe 1. The requestor (e.g., AIMLE client or...
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8.14.2.6 Split operation pipeline update
Figure 8.14.2.6-1 illustrates the procedure for an AIMLE client to update an instance of a split operation pipeline at the AIMLE server. The AIMLE client or VAL client can determine that some of the nodes in the split operation pipeline may not be able to perform the required operation and decides to modify the pipelin...
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8.14.2.7 Split operation pipeline delete
Figure 8.14.2.7-1 illustrates the procedure for an AIMLE client to delete an instance of a split operation pipeline at the AIMLE server. The AIMLE client or VAL client can determine to delete a split operation pipeline when it is no longer needed. Pre-conditions: 1. The AIMLE client has received information related t...
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8.14.3 Information flows
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8.14.3.1 General
The following information flows are specified for operation splitting.
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8.14.3.2 Split operation pipeline discovery request
Table 8.14.3.2-1 shows the request sent by a AIMLE client to the AIMLE server for split operation pipeline discovery request. Table 8.14.3.2-1: Split operation pipeline discovery request Information element Status Description Requestor identifier M The identity of the requestor (e.g., VAL client ID, AIMLE clien...
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8.14.3.3 Split operation pipeline discovery response
Table 8.14.3.3-1 shows the response sent by sent by the AIMLE server after processing of split operation pipeline discovery request. Table 8.14.3.3-1: Split operation pipeline discovery response Information element Status Description Successful response O (NOTE 2) Indicates that the request was successful. > L...
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8.14.3.4 Split operation pipeline create request
Table 8.14.3.4-1 shows the request sent by a AIMLE client to the AIMLE server for split operation pipeline create request. Table 8.14.3.4-1: Split operation pipeline create request Information element Status Description Requestor identifier M The identity of the requestor (e.g., VAL client ID, AIMLE client ID, ...
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8.14.3.5 Split operation pipeline create response
Table 8.14.3.5-1 shows the response sent by a AIMLE server after processing of split operation pipeline create request. Table 8.14.3.5-1: Split operation pipeline create response Information element Status Description Successful response O (NOTE) Indicates that the request was successful. > Split operation pr...
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8.14.3.6 Split operation node register request
Table 8.14.3.6-1 shows the request sent by a VAL server to the AIMLE server for split operation node register request. Table 8.14.3.6-1: Split operation node register request Information element Status Description Requestor identifier M The identity of the requestor (e.g., VAL server ID). Security credentials ...
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8.14.3.7 Split operation node register response
Table 8.14.3.7-1 shows the response sent by an AIMLE server after processing of split operation node register request. Table 8.14.3.7-1: Split operation node register response Information element Status Description Successful response O (NOTE) Indicates that the request was successful. > Registration identifie...
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8.14.3.8 Split operation node registration update request
Table 8.14.3.8-1 shows the request sent by a VAL server to the AIMLE server for split operation node registration update request. Table 8.14.3.8-1: Split operation node registration update request Information element Status Description Registration identifier M The identifier of the registration. Security cred...
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8.14.3.9 Split operation node registration update response
Table 8.14.3.9-1 shows the response sent by an AIMLE server after processing of split operation node registration update request. Table 8.14.3.9-1: Split operation node registration update response Information element Status Description Successful response O (NOTE) Indicates that the request was successful. > ...
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8.14.3.10 Split operation node de-register request
Table 8.14.3.10-1 shows the request sent by a VAL server to the AIMLE server for split operation de-register request. Table 8.14.3.10-1: Split operation node de-register request Information element Status Description Registration identifier M The identifier of the registration. Security credentials M The sec...
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8.14.3.11 Split operation node de-register response
Table 8.14.3.11-1 shows the response sent by an AIMLE server after processing of split operation de-register request. Table 8.14.3.11-1: Split operation de-register response Information element Status Description Successful response O (NOTE) Indicates that the request was successful. Failure response O (NOTE...
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8.14.3.12 Split operation subscribe request
Table 8.14.3.12-1 shows the request sent by an AIMLE client or a VAL server to the AIMLE server for split operation subscribe request. Table 8.14.3.12-1: Split operation subscribe request Information element Status Description Requestor identifier M The identity of the requestor (e.g., VAL server ID). Security...
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8.14.3.13 Split operation subscription response
Table 8.14.3.13-1 shows the response sent by an AIMLE server after processing of split operation subscription request. Table 8.14.3.13-1: Split operation subscription response Information element Status Description Successful response O (NOTE) Indicates that the request was successful. > Subscription identifie...
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8.14.3.14 Split operation notification
Table 8.14.3.14-1 shows the request sent by an AIMLE server to notify a subscriber of detected split operation events. Table 8.14.3.14-1: Split operation notification Information element Status Description Subscription identifier M The identifier of the subscription. Event identifier M The identifier for the...
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8.14.3.15 Split operation subscribe update request
Table 8.14.3.15-1 shows the request sent by an AIMLE client or a VAL server to the AIMLE server for split operation subscription update request. Table 8.14.3.15-1: Split operation subscription update request Information element Status Description Subscription identifier M The identifier of the subscription. Se...
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8.14.3.16 Split operation subscribe update response
Table 8.14.3.16-1 shows the request sent by an AIMLE server after processing of split operation subscription update request. Table 8.14.3.16-1: Split operation subscription update response Information element Status Description Successful response O (NOTE) Indicates that the request was successful. > Expirati...
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8.14.3.17 Split operation unsubscribe request
Table 8.14.3.17-1 shows the request sent by an AIMLE client or a VAL server to the AIMLE server for split operation unsubscribe request. Table 8.14.3.17-1: Split operation unsubscribe request Information element Status Description Subscription identifier M The identifier of the subscription. Security credentia...
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8.14.3.18 Split operation unsubscribe response
Table 8.14.3.18-1 shows the response sent by an AIMLE server after processing of split operation unsubscribe request. Table 8.14.3.18-1: Split operation unsubscribe response Information element Status Description Successful response O (NOTE) Indicates that the request was successful. Failure response O (NOTE...
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8.14.3.19 Split operation pipeline update request
Table 8.14.3.19-1 shows the request sent by an AIMLE client to the AIMLE server for split operation pipeline update request. Table 8.14.3.19-1: Split operation pipeline update request Information element Status Description Requestor identifier M The identity of the requestor (e.g., VAL client ID, AIMLE client I...
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8.14.3.20 Split operation pipeline update response
Table 8.14.3.20-1 shows the response sent by an AIMLE server after processing of split operation pipeline update request. Table 8.14.3.20-1: Split operation pipeline update response Information element Status Description Successful response (NOTE) O Indicates that the request was successful. > Split operation...
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8.14.3.21 Split operation pipeline delete request
Table 8.14.3.21-1 shows the request sent by an AIMLE client to the AIMLE server for split operation pipeline delete request. Table 8.14.3.21-1: Split operation pipeline delete request Information element Status Description Requestor identifier M The identity of the requestor (e.g., VAL client ID, AIMLE client I...
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8.14.3.22 Split operation pipeline delete response
Table 8.14.3.22-1 shows the response sent by an AIMLE server after processing of split operation pipeline delete request. Table 8.14.3.22-1: Split operation pipeline delete response Information element Status Description Successful response (NOTE) O Indicates that the request was successful. Failure response (...
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8.15 AIMLE data management assistance
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8.15.1 General
AIMLE data management assistance is the process of the AIMLE server assisting AIMLE service consumers with managing data operations performed by VAL clients. The data operations include data preparation and data analysis. The AIMLE server offloads the AIMLE service consumer from interacting with AIMLE clients to manage...
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8.15.2 Procedure
Pre-conditions: 1. AIMLE clients have registered with AIMLE server. 2. UE application data for AI/ML operations have been collected and dataset identifier have been assigned to each dataset. EVEX mechanism can be reused for data collection as described in 3GPP TS 26.531 [10]. Figure 8.15.2-1: AIMLE data manageme...
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8.15.3 Information flows
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8.15.3.1 AIMLE data management assistance subscription request
Table 8.15.3.1-1 shows the request sent by an AIMLE service consumer to an AIMLE server for the AIMLE data management assistance subscription procedure. Table 8.15.3.1-1: AIMLE data management assistance subscription request Information element Status Description Requestor identifier M The identifier of the requ...
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8.15.3.2 AIMLE data management assistance subscription response
Table 8.15.3.2-1 shows the response sent by the AIMLE server to the AIMLE service consumer for the AIMLE data management assistance subscription procedure. Table 8.15.3.2-1: AIMLE data management assistance subscription response Information element Status Description Status M The status for the data management o...
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8.15.3.3 AIMLE data management assistance notify
Table 8.15.3.3-1 shows the notification sent by the AIMLE server to the AIMLE service consumer for the AIMLE data management assistance subscription procedure. Table 8.15.3.3-1: AIMLE data management assistance notify Information element Status Description Status M The status for the data management operation A...
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8.15.3.4 Client data processing trigger request
Table 8.15.3.4-1 shows the request sent by the AIMLE server to AIMLE clients for the AIMLE client data processing trigger procedure. Table 8.15.3.4-1: Client data processing trigger request Information element Status Description Requestor identifier M The identifier of the requestor. Data management type M ...
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8.15.3.5 Client data processing trigger response
Table 8.15.3.5-1 shows the response sent by AIMLE clients to the AIMLE server for the Client data processing trigger procedure. Table 8.15.3.5-1: Client data processing trigger response Information element Status Description Status M The status for the data management operation Data preparation outputs O (NOT...
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8.16 Support for Transfer Learning enablement
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8.16.1 General
This clause provides the procedures for the transfer learning (TL) enablement service, including the server-triggered procedure (in clause 8.16.2) and the client-triggered procedure (in clause 8.16.3).
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8.16.2 Procedure for server-triggered transfer learning enablement
Figure 8.16.2-1 illustrates the procedure where the TL enablement is performed based on the request for either an ML task from VAL layer or for an analytics task from ADAES. Such TL enablement allows the consumer to discover the similar ML models to be used as base models for the TL, as well as to support the selection...
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8.16.3 Procedure for client-triggered transfer learning enablement
Figure 8.16.3-1 illustrates the procedure where the TL enablement is performed for a VAL UE task which is a UE analytics task (e.g. ADAEC-provided analytics). Such TL enablement allows the VAL UE to perform ML model training using a pre-trained model from the server side and is beneficial for minimizing the computation...
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8.16.4 Information flows
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8.16.4.1 Transfer learning model selection assistance request
Table 8.16.4.1-1 shows the request sent by the VAL server to AIMLE server for the server-triggered transfer learning support procedure. Table 8.16.4.1-1: Transfer learning model selection assistance request Information element Status Description Requestor identity M Identity of the VAL server performing the requ...
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8.16.4.2 Transfer learning model selection assistance response
Table 8.16.4.2-1 shows the response sent by the AIMLE server to the VAL server for the server-triggered transfer learning support procedure. Table 8.16.4.2-1: Transfer learning model selection assistance response Information element Status Description Success response O (NOTE) Indicates that the transfer learni...
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8.16.4.3 UE transfer learning model selection assistance request
Table 8.16.4.3-1 shows the request sent by the AIMLE client to AIMLE server for the client-triggered transfer learning support procedure. Table 8.16.4.3-1: UE transfer learning model selection assistance request Information element Status Description VAL UE identity M Identity of the VAL UE (VAL client ID or AIM...
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8.16.4.4 UE transfer learning model selection assistance response
Table 8.16.4.4-1 shows the response sent by the AIMLE server to the AIMLE client for the client-triggered transfer learning support procedure. Table 8.16.4.4-1: UE transfer learning model selection assistance response Information element Status Description Success response O (NOTE) Indicates that the UE transfe...
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8.17 Support for FL member grouping
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8.17.1 General
This clause provides the procedure for the grouping of the FL members using AIMLE. Such grouping for the given FL process, applicable to a specific VAL request or ML model ID or ADAE analytics ID. This grouping can be applicable also for a given service area in which one or more FL processes are expected to run. The gr...
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8.17.2 Procedure
In this procedure, the AIMLE support capability is described for grouping the FL members, where the grouping is tailored to a specific ML task (VAL triggered task or analytics event/ID). The grouping procedure covers the: - creation of the FL member group; - query for an individual FL Member whether it is part of t...
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8.17.3 Information flows
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8.17.3.1 FL member grouping support request
Table 8.17.3.1-1 shows the request sent by the VAL Server to AIMLE Server for the FL member grouping procedure to create the FL member grouping support. Table 8.17.3.1-1: FL member grouping support create request Information element Status Description Requestor identity M Identity of the VAL Server performing th...
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8.17.3.2 FL member grouping support response
Table 8.17.3.2-1 shows the response sent by the AIMLE Server to the VAL Server for the FL member grouping procedure to create the FL member grouping support. Table 8.17.3.2-1: FL member grouping support create response Information element Status Description Success response O (NOTE) Indicates that the FL proces...
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8.17.3.3 FL grouping indication
Table 8.17.3.3-1 shows the notification sent by the AIMLE Server to the FL members (AIMLE clients, VAL Servers) for the FL member grouping procedure. Table 8.17.3.3-1: FL grouping indication Information element Status Description Requestor identity M Identity of the AIMLE Server performing the request. VAL serv...
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8.17.3.4 FL grouping indication acknowledge
Table 8.17.3.4-1 describes the information flow FL grouping indication acknowledge from the FL members (AIMLE clients which are deployed on UEs) to the AIMLE server. Table 8.17.3.4-1: FL grouping indication acknowledge Information element Status Description Success response O (NOTE) Acknowledgement of FL groupi...
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8.18 Support Vertical FL
This clause describes procedure for supporting VFL among application layer multiple UEs.
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8.18.1 General
The following clauses specify procedures, information flows and APIs to support VFL among Application Layer multiple UEs.
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8.18.2 Procedure for supporting VFL
Pre-conditions: 1. VFL members registered their AIMLE client profile to the AIMLE Server. The VFL members may update their status or information in their AIMLE client profile to the AIMLE Server. 2. The datasets of each of the UEs (where the AIMLE Clients (as VFL members) are deployed on) belong to more than one diff...
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8.19 ML Model Training Capability Evaluation
This clause describes procedure for supporting ML model training capability evaluation for FL (e.g., HFL, VFL).
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8.19.1 General
The following clauses specify procedures, information flows and APIs to support ML model training capability evaluation for FL (e.g., HFL, VFL). The ML model training capability result can be used by the AIMLE server to select FL members for FL training process (e.g. HFL, VFL).
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8.19.2 Procedure for ML model training capability evaluation
Pre-conditions: 1. AIMLE server determines to use FL (e.g., HFL, VFL) training. 2. AIMLE Server knows the information of the FL (e.g., HFL, VFL) members (e.g., AIMLE Client which is deployed to a UE). Figure 8.19.2-1: Procedure for ML model training capability evaluation 1. The AIMLE Server sends ML model trainin...
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8.19.3 Information flows
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8.19.3.1 ML model training capability evaluation request
Table 8.19.3.1-1 shows the request sent by AIMLE server to FL (e.g., HFL, VFL) members (AIMLE Clients which are deployed on UEs) for ML model training capability evaluation. Table 8.19.3.1-1: ML model training capability evaluation request Information element Status Description Requestor identifier M The identif...
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8.19.3.2 ML model training capability evaluation response
Table 8.19.3.2-1 shows the response sent by FL members (AIMLE Clients which are deployed on UEs) to AIMLE server for the ML model training capability evaluation. Table 8.19.3.2-1: ML model training capability evaluation response Information element Status Description Status M The status for the evaluation: succe...
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8.20 AIML service operations control and management procedure
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8.20.1 General
The control and management of the AIML services is an essential requirement for the applications to manage the AIML services like model training, inference, discovery etc.
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8.20.2 AIML service operations control and management procedure
Figure 8.20.1-1: AIML service operations control and management procedure 1. The VAL server sends AIML service operations control and management request to the AIML Enablement server as per the Table 8.20.3.1-1. 2-3. The AIMLE server determines the required service operation mode to manage the AIML service opera...
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8.20.3 Information flows
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8.20.3.1 AIML service operations control and management request
Table 8.20.3.1-1 shows the request sent by an AIML service consumer (e.g., VAL server) to an AIMLE server for the AIML service operations control and management request. Table 8.20.3.1-1: AIML service operations control and management request Information element Status Description Requestor identity M The identi...
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8.20.3.2 AIML service operations control and management response
Table 8.20.3.2-1 shows the request sent by an AIML Enablement server to an AIML service consumer (e.g., VAL server) for the AIML service operations control and management response. Table 8.20.3.2-1: AIML service lifecycle management response Information element Status Description VAL service identifier O An iden...
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8.20.3.3 AIML Enablement client service operation request
Table 8.20.3.3-1 shows the request sent by an AIML Enablement server to an AIML Enablement client for the AIML Enablement client service operation request. Table 8.20.3.3-1: AIML Enablement client service operation request Information element Status Description Requestor identity M The identifier of the requesto...
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8.20.3.4 AIML Enablement client service operation response
Table 8.20.3.4-1 shows the request sent by an AIML Enablement client to an AIML Enablement server for the AIML Enablement client service operation response or update response. Table 8.20.3.4-1: AIML Enablement client service operation response Information element Status Description VAL service identifier O An id...
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8.21 ML model update
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8.21.1 General
This clause provides the procedures to support ML model re-training and update when model performance degradation is observed by the AIML enablement layer. The model update procedure also supports using an existing model to re-train the model using Transfer Learning. Additionally, if the degraded model is related to ot...
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8.21.2 Procedure
Figure 8.21.2-1 depicts the procedure where the AIML enablement capability can trigger model update upon detecting model performance degradation. Pre-conditions: 1. The AIMLE Server has provided a ML model to the AIMLE Consumer. The AIMLE consumer can be a VAL server, AIMLE client, or ADAE server. 2. The AIMLE Consu...
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8.21.3 Information flows
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8.21.3.1 ML model update request
Table 8.21.3.1-1 details the ML model update request IEs. Table 8.21.3.1-1: ML model update request Information element Status Description Requestor Identity M The identity of the AIMLE Consumer sending the request. ML model ID M Provides the ID of ML model for which the performance degradation has been dete...
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8.21.3.1 ML model update response
Table 8.21.3.2-1 details the ML model update response IEs. Table 8.21.3.2-1: ML model update response Information element Status Description Successful response O (NOTE 1) Indicates that the model has been updated. > ML model O (NOTE 2) Provides the updated ML model. > ML model retrieval endpoint O (NOTE...
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8.22 ML model performance monitoring
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8.22.1 General
The following clauses specify procedures, information flows, and APIs for ML model performance monitoring and potential degradation detection.
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8.22.2 Procedure
Pre-conditions: 1. One or more AIMLE services (at the AIMLE server or clients) using the given ML model are ongoing. Figure 8.22.2-1: ML model performance monitoring 1. The VAL server sends an ML model performance monitoring subscription request to AIMLE server, requesting to assist in monitoring the ML model perf...
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8.22.3 Information flows
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8.22.3.1 ML model performance monitoring subscription request
Table 8.22.3.1-1 shows the request sent by a VAL server to an AIMLE server for the ML model performance monitoring. Table 8.22.3.1-1: ML model performance monitoring subscription request Information element Status Description Requestor identity M The identifier of the requestor (e.g., VAL server). ML model iden...
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8.22.3.2 ML model performance monitoring subscription response
Table 8.22.3.2-1 shows the response sent by the AIMLE server to the VAL server for the ML model performance monitoring subscription. Table 8.22.3.2-1: ML model performance monitoring subscription response Information element Status Description Successful response O (NOTE) Indicates that the ML model performance...
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8.22.3.3 ML model performance monitoring notify
Table 8.22.3.2-1 shows the notification sent by the AIMLE server to the VAL server for the ML model performance degradation. Table 8.22.3.2-1: ML model performance monitoring notify Information element Status Description Subscription ID M Subscription identifier corresponding to the subscription. ML model ID M...
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8.23 AIMLE assisted ML model selection
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8.23.1 General
ML model selection is an important consideration for successful ML training and deployment. Many ML models exist for ML applications and some models can generate better results than other models for a particular dataset. The procedure allows AIMLE service consumers to request assistance from an AIMLE server with the se...
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8.23.2 Procedure
Pre-conditions: 1. The AIMLE service consumer has identified datasets and ML requirements. Figure 8.23.2-1: AIMLE assisted ML model selection 1. An AIMLE service consumer (e.g. VAL server) sends a subscription request to an AIMLE server. The request includes information as described in Table 8.23.3.1-1. The AIMLE ...
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8.23.3 Information flows
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8.23.3.1 AIMLE assisted ML model selection subscription request
Table 8.23.3.1-1 shows the request sent by an AIMLE service consumer to an AIMLE server for the AIMLE assisted ML model selection subscription procedure. Table 8.23.3.1-1: ML model selection subscription request Information element Status Description Requestor identifier M The identifier of the requestor. AIML ...
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8.23.3.2 ML model selection subscription response
Table 8.23.3.2-1 shows the response sent by the AIMLE server to the AIMLE service consumer for the AIMLE assisted ML model selection subscription procedure. Table 8.23.3.2-1: ML model selection subscription response Information element Status Description Status M The status for the ML model selection operation ...
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8.23.3.3 ML model selection notification
Table 8.23.3.3-1 shows the notification sent by the AIMLE server to the AIMLE service consumer for the AIMLE assisted ML model selection subscription procedure. Table 8.23.3.3-1: ML model selection notification Information element Status Description Subscription identifier M The identifier for the subscription t...
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8.24 AIMLE context transfer
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8.24.1 General
This clause describes AIMLE context transfer procedure between AIMLE servers (over AIML-E reference point).
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8.24.2 Procedure
Pre-conditions: 1. Each edge AIMLE server manages the AIMLE clients within its service area to perform AI/ML operations. 2. A UE associated with an AIMLE client moves from a source service area (managed by a source edge AIMLE server) to a target service area (managed by a target edge AIMLE server). The transition tri...
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8.24.3 Information flows
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8.24.3.1 AIMLE context transfer request
Table 8.24.3.1-1 shows the AIMLE context transfer request that is sent by a source AIMLE server to a target AIMLE server. Table 8.24.3.1-1: AIMLE context transfer request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., AIMLE server). AIMLE Context Information...
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8.24.3.2 AIMLE context transfer response
Table 8.24.3.2-1 shows the AIMLE context transfer response that is sent by the target edge AIMLE server to the source edge AIMLE server. Table 8.24.3.2-1: AIMLE context transfer response Information element Status Description Successful response O (NOTE) Indicates that the request was successful. Failure respo...