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8.6.2.6 Retrieve Spatial anchors of group operation
API operation name: SS_SAnGroupManagement_Retrieve_SpatialAnchors Description: The consumer requests to retrieve the profiles of the spatial anchors of groups. Known Consumers: VAL server, SAn client. Inputs: See Table 8.3.7.3.9-1. Outputs: See Table 8.3.7.3.10-1. See clause 8.3.7.2.5 for details of usage of this ...
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9 Spatial Map (SM) management
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9.1 General
The Spatial Map (SM) management is a SEAL service that offers the spatial map related capabilities to vertical application(s).
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9.2 Functional model for spatial map management
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9.2.1 General
The functional model for the spatial map server is based on the generic functional model specified in clause 6 of 3GPP TS 23.434 [4]. It is organized into functional entities to describe a functional architecture which addresses the support for spatial map aspects for vertical applications.This clause provides architec...
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9.2.2 On-network functional model description
Figure 9.2.2-1 illustrates an on-network functional model for spatial map (SM) service. Figure 9.2.2-1: On-network spatial map functional model The Spatial map management functional entities are grouped into the vertical application layer and the Service Enabler Architecture Layer (SEAL) layer. The Spatial map man...
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9.2.2.1 Functional Elements
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9.2.2.1.1 Spatial map (SM) server
The SM server acts as a SEAL server and it is used to provide services to create/update/delete/discover spatial map for the VAL application (i.e. metaverse application) and also provides spatial localization service. It can communicate with other SM server in the distributed SEAL deployments.
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9.2.2.1.2 Spatial map (SM) client
The SM client acts as a SEAL client for spatial map function. It supports client side functionalities for creating/updating/deleting/discovering/retrieving spatial map for VAL application (i.e. metaverse application) and also provides spatial localization service. The SM client receives the request from VAL client to ...
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9.2.2.1.3 VAL server
The VAL server is specified in clause 6.4.2.3 of 3GPP TS 23.434 [4]. The VAL server provides the server side functionalities corresponding to the vertical applications (i.e. metaverse applications) to the client of a VAL user based on a service contract.
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9.2.2.1.4 VAL client
The VAL client is specified in clause 6.4.2.2 of 3GPP TS 23.434 [4]. The VAL client provides a metaverse services to the user. It uses the SM client to manage spatial maps for the application.
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9.2.2.2 Reference Points
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9.2.2.2.1 SM-UU
SM-UU reference point enables interactions between a SM client and SM server. It is used to create/update/delete/discover/retrieve spatial map for the VAL applications (i.e. metaverse applications).
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9.2.2.2.2 SM-S
SM-S reference point enables interactions between a SM server and VAL servers (i.e. metaverse application servers). It can be used to create/update/delete/get/retrieve spatial map for the VAL applications (i.e. metaverse applications).
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9.2.2.2.3 SM-C
SM-C reference point enables interactions between a SM client and VAL clients (i.e. metaverse application clients). It is used by the VAL client to share information regarding spatial maps related information to the SM client and also to get spatial maps related information from the SM client.
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9.2.3 Service based architecture
Figure 9.2.3-1 illustrates the service-based SEAL architecture to support spatial map services. Figure 9.2.3-1: Service based architecture for spatial map The SM server exposes the APIs over the Ssm interface to the VAL server and SM client. The VAL servers consume the services by interacting on the Ssm interface...
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9.3 Spatial map management procedures
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9.3.1 Create spatial map
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9.3.1.1 General
The create spatial map procedure enables the consumers to request the SEAL SM Server to create spatial map of the area of interest.
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9.3.1.2 Procedure
Figure 9.3.1.2-1 depicts the procedure for creating a spatial map. For the request from VAL server or SEAL SM client, as a spatial map consumer, SEAL SM server creates a spatial map. A spatial map can be structured in layers where each layer signifies a specific aspect of the spatial information (e.g. three dimensional...
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9.3.1.3 Information flows
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9.3.1.3.1 Create spatial map request
Table 9.3.1.3.1-1 describes the information elements from VAL server (or SEAL SM client) to SM server for create spatial map request. Table 9.3.1.3.1-1: Create spatial map request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL server or VAL User or VAL UE...
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9.3.1.3.2 Create spatial map response
Table 9.3.1.3.2-1 describes the information elements for create spatial map response from SM server to VAL server or SM client. Table 9.3.1.3.2-1: Create spatial map response Information element Status Description Application service ID O ID of the requesting VAL application service Success response O (NOTE ...
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9.3.2 Discover spatial map
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9.3.2.1 General
The discover spatial map procedure enables the consumers to request the SEAL SM Server to discover either spatial maps or SMAS of the area of interest.
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9.3.2.2 Procedure
Figure 9.3.2.2-1 depicts the procedure for an authorized spatial map consumer (VAL server or SEAL SM client) to discover either spatial map(s) or SMAS. The service is provided by SEAL SM server. Figure 9.3.2.2-1: Discover spatial map procedure 1) The requestor (e.g.,VAL server or SEAL SM client) sends a request mes...
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9.3.2.3 Information flows
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9.3.2.3.1 Discover spatial map request
Table 9.3.2.3.1-1 describes the information elements from VAL server (or SEAL SM client) to SEAL SM server for discover spatial map request. Table 9.3.2.3.1-1: Discover spatial map request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL server or VAL User ...
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9.3.2.3.2 Discover spatial map response
Table 9.3.2.3.2-1 describes the information elements for Discover spatial map response from SEAL SM server to VAL server or SEAL SM client. Table 9.3.2.3.2-1: Discover spatial map response Information element Status Description Application service ID O ID of the requesting VAL application service Success respo...
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9.3.3 Get spatial map information
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9.3.3.1 General
The get spatial map procedure enables the consumers to request the SEAL SM Server to get all details about the specific spatial map.
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9.3.3.2 Procedure
Figure 9.3.3.2-1 depicts the procedure for an authorized spatial map consumer (VAL server or SEAL SM client) to get the spatial map. The service is provided by SEAL SM server. Figure 9.3.3.2-1: Get spatial map information procedure 1) The requestor (e.g., VAL server or SEAL SM client) sends a request message to t...
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9.3.3.3 Information flows
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9.3.3.3.1 Get spatial map information request
Table 9.3.3.3.1-1 describes the information elements for get spatial map request from the VAL server or SEAL SM client to the SEAL SM server. Table 9.3.3.3.1-1: Get spatial map information request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL server or V...
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9.3.3.3.2 Get spatial map information response
Table 9.3.3.3.2-1 describes the information elements for get spatial map response from the SEAL SM server to the VAL server or SEAL SM client. Table 9.3.3.3.2-1: Get spatial map information response Information element Status Description Spatial map ID M ID of the requested spatial map to get information Appli...
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9.3.4 Update spatial map
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9.3.4.1 General
The update spatial map procedure enables the consumers to request the SEAL SM Server to update a spatial map.
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9.3.4.2 Procedure
Figure 9.3.4.2-1 depicts the procedure to update the spatial map. For the request from the spatial map consumer (VAL server or SEAL SM client), SEAL SM server updates the spatial map as requested. Figure 9.3.4.2-1: Update spatial map procedure 1) The requestor (e.g., VAL server or SEAL SM client) sends a request...
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9.3.4.3 Information flows
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9.3.4.3.1 Update spatial map request
Table 9.3.4.3.1-1 describes the information elements for update spatial map request from VAL server or SEAL SM client to SEAL SM server. Table 9.3.4.3.1-1: Update spatial map request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL server or VAL User or VAL...
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9.3.4.3.2 Update spatial map response
Table 9.3.4.3.2-1 describes the information elements for update spatial map response from the SEAL SM server to the VAL server or SEAL SM client. Table 9.3.4.3.2-1: Update spatial map response Information element Status Description Spatial map ID M ID of the requested spatial map to get information Application ...
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9.3.5 Delete spatial map
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9.3.5.1 General
The delete spatial map procedure enables the consumers to request the SEAL SM Server to delete a spatial map.
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9.3.5.2 Procedure
Figure 9.3.5.2-1 depicts the procedure to delete the spatial map. For the request from the spatial map consumer (VAL server or SEAL SM client), SEAL SM server deletes the spatial map as requested. Figure 9.3.5.2-1: Delete spatial map procedure 1) The requestor (e.g., VAL server or SEAL SM client) sends a request...
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9.3.5.3 Information flows
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9.3.5.3.1 Delete spatial map request
Table 9.3.5.3.1-1 describes the information elements for delete spatial map request from VAL server or SEAL SM client to SEAL SM server. Table 9.3.5.3.1-1: Delete spatial map request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL server or VAL User or VAL...
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9.3.5.3.2 Delete spatial map response
Table 9.3.5.3.2-1 describes the information elements for delete spatial map response from SEAL SM server to VAL server or SEAL SM client. Table 9.3.5.3.2-1: Delete spatial map response Information element Status Description Success response O (NOTE) Indicates successful delete Failure response O (NOTE) Indi...
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9.3.6 Spatial map subscription
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9.3.6.1 General
This clause provides subscription related procedures to spatial map specific events.
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9.3.6.2 Procedures
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9.3.6.2.1 Subscribe spatial map event
Figure 9.3.6.2.1-1 depicts the procedure for the authorized spatial map consumer (VAL server or SEAL SM client) to subscribe the spatial map event. The service is provided by SEAL SM server. Spatial map consumer can get notification information when the SM server detects subscribed event. Figure 9.3.6.2.1-1: Subsc...
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9.3.6.2.2 Notify spatial map event
Figure 9.3.6.2.2-1 depicts the notify spatial map event operation between the authorized spatial map consumer (VAL server or SEAL DM client) and SEAL SM server. Figure 9.3.6.2.2-1: Notify spatial map event 1) The SEAL SM server detects an event that triggers the notification to the subscribers for the corresponding...
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9.3.6.2.3 Unsubscribe spatial map
Figure 9.3.6.2.3-1 depicts the procedure for the authorized spatial map consumer (VAL server or SEAL SM client) to unsubscribe from the spatial map event. The service is provided by SEAL SM server. Figure 9.3.6.2.3-1: Unsubscribe spatial map procedure 1) The VAL server (or SEAL SM client) sends a request message to...
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9.3.6.3 Information flows
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9.3.6.3.1 Subscribe spatial map request
Table 9.3.6.3.1-1 shows the subscribe spatial map event request sent by VAL server (or SEAL SM client) to SEAL SM server to subscribe for spatial map event(s). Table 9.3.6.3.1-1: Subscribe spatial map event request Information element Status Description Requestor identifier M The identifier of the requestor (e....
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9.3.6.3.2 Subscribe spatial map response
Table 9.3.6.3.2-1 shows the subscribe spatial map event response sent by SEAL SM server to VAL server (or SEAL SM client) as the response to the subscribe spatial map event request. Table 9.3.6.3.2-1: Subscribe spatial map event response Information element Status Description Result M Result of the subscribe sp...
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9.3.6.3.3 Notify spatial map event
Table 9.3.6.3.3-1 shows the spatial map notification sent by SEAL SM server to VAL server (or SEAL SM client) to notify about spatial map event(s). Table 9.3.6.3.3-1: Spatial map event notification Information element Status Description Subscription ID M Subscription ID for the event Notification information ...
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9.3.6.3.4 Unsubscribe spatial map request
Table 9.3.6.3.4-1 shows the unsubscribe spatial map event request sent by VAL server (or SEAL SM client) to SEAL SM server to subscribe for spatial map event(s). Table 9.3.6.3.4-1: Unsubscribe spatial map event request Information element Status Description Requestor identifier M The identifier of the requestor...
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9.3.6.3.5 Unsubscribe spatial map response
Table 9.3.6.3.5-1 shows the unsubscribe spatial map event response sent by SEAL SM server to VAL server (or SEAL SM client) as the response to the unsubscribe spatial map event request. Table 9.3.6.3.5-1: Unsubscribe spatial map event response Information element Status Description Result M Result of the subscr...
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9.4 Spatial localization services
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9.4.1 General
This spatial localization services enables consumer to request SEAL SM Server for localization of a VAL user or VAL UE.
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9.4.2 Procedure
Figure 9.4.2-1 depicts the procedure for the authorized spatial map consumer (VAL server or SEAL SM client) to invoke spatial localization services. The service is provided by SEAL SM server. Pre-condition: 1) Spatial map is created and the authorized consumer is aware of the spatial map identity. Figure 9.4.2-1...
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9.4.3 Information flows
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9.4.3.1 Spatial localization service request
Table 9.4.3.1-1 describes information elements for the spatial localization service request from the SM client or VAL server to the SM server. Table 9.4.3.1-1: Spatial localization service request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL User or VAL...
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9.4.3.2 Spatial localization service response
Table 9.4.3.2-1 describes information elements for the spatial localization service response from the SM server to the SM client or VAL server. Table 9.4.3.2-1: Spatial localization service response Information element Status Description Result M Indicates success or failure of the action Object details (NOTE) ...
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9.5 SM data source
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9.5.1 General
This clause provides registration related procedures for SM data source.
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9.5.2 SM data source registration
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9.5.2.1 General
The SM data source registration procedure registers the authorized SM information data source with SEAL SM server.
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9.5.2.2 Procedure
Figure 9.5.2.2-1 depicts the procedure for an authorized VAL client, via a SEAL SM client, to register as a SM data source with the SEAL SM server. Pre-conditions: 1. The SEAL SM client has received information (e.g. URI, IP address) related to the SEAL SM server; 2. The SEAL SM client has received security credenti...
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9.5.2.3 Information flows
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9.5.2.3.1 SM data source registration request
Table 9.5.2.3.1-1 describes information elements in the SM data source registration request from the SEAL SM client to the SEAL SM server. Table 9.5.2.3.1-1: SM data source registration request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL User or VAL UE...
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9.5.2.3.2 SM data source registration response
Table 9.5.2.3.2-1 describes information elements in the SM data source registration response from the SEAL SM server to the SEAL SM client. Table 9.5.2.3.2-1: SM data source registration response Information element Status Description Successful response O Indicates that the registration request was successful ...
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9.5.3 SM data source registration update
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9.5.3.1 General
The SM data source registration update procedure updates registration status of the authorized SM information data source to the SEAL SM server.
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9.5.3.2 Procedure
Figure 9.5.3.2-1 depicts the procedure for an authorized VAL client, via a SEAL SM client, to update a registered SM data source information. Pre-conditions: 1. The SEAL SM client has successfully registered the SM data source with the SEAL SM server. Figure 9.5.3.2-1: SM data source registration update procedure ...
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9.5.3.3 Information flows
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9.5.3.3.1 SM data source registration update request
Table 9.5.3.3.1-1 describes information elements in the SM data source registration update request from the SEAL SM client to the SEAL SM server. Table 9.5.3.3.1-1: SM data source registration update request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL...
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9.5.3.3.2 SM data source registration update response
Table 9.5.3.3.2-1 describes information elements in the SM data source registration update response from the SEAL SM server to the SEAL SM client. Table 9.5.3.3.2-1: SM data source registration update response Information element Status Description Successful response O Indicates that the registration update req...
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9.5.4 SM data source deregistration
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9.5.4.1 General
The SM data source deregistration procedure deregisters the authorized SM information data source from the SEAL SM server.
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9.5.4.2 Procedure
Figure 9.5.4.2-1 depicts the procedure for an authorized SEAL SM client to deregister a SM data source. Pre-conditions: 1. The SEAL SM client has already registered the SM data source with the SEAL SM server. Figure 9.5.4.2-1: SM data source deregistration procedure 1. The SEAL SM client sends a SM data source de...
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9.5.4.3 Information flows
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9.5.4.3.1 SM data source deregistration request
Table 9.5.4.3.1-1 describes information elements in the SM data source deregistration request from the SEAL SM client to the SEAL SM server. Table 9.5.4.3.1-1: SM data source deregistration request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL User or V...
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9.5.4.3.2 SM data source deregistration response
Table 9.5.4.3.2-1 describes information elements in the SM data source deregistration response from the SEAL SM server to the SEAL SM client. Table 9.5.4.3.2-1: SM data source deregistration response Information element Status Description Successful response O Indicates that the deregistration request was succes...
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9.5.5 SM data source discovery
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9.5.5.1 General
The SM data source discovery procedure allows VAL server to discover the authorized SM information data sources from the SEAL SM server.
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9.5.5.2 Procedure
Figure 9.5.5.2-1 depicts the procedure for an authorized VAL server to discover SM data source(s). Pre-conditions: 1. The VAL server has received information (e.g. URI, IP address) related to the SEAL SM server; 2. The VAL server has received security credentials authorizing it to communicate with the SEAL SM server...
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9.5.5.3 Information flows
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9.5.5.3.1 SM data source discovery request
Table 9.5.5.3.1-1 describes information elements in the SM data source discovery request from the VAL server to the SEAL SM server. Table 9.5.5.3.1-1: SM data source discovery request Information element Status Description Requestor identifier M The identifier of the requestor (e.g., VAL server) Security creden...
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9.5.5.3.2 SM data source discovery response
Table 9.5.5.3.2-1 describes information elements in the SM data source discovery response from the SEAL SM server to the SM data source consumer (e.g., VAL server or SEAL server). Table 9.5.5.3.2-1: SM data source discovery response Information element Status Description Successful response O Indicates that the ...
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9.5.5.3.3 SM data source notification
Table 9.5.5.3.3-1 shows the notification sent by a SEAL SM server to a SEAL SM client for triggering a spatial mapping information session from a SM data source. Table 9.5.5.3.3-1: SM data source notification Information element Status Description Requestor identifier M The identifier of the requestor (e.g., SEA...
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9.5.6 SM data source subscription
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9.5.6.1 General
SM data source subscription enables VAL server or SEAL server to subscribe to the SM server to get the updates related to changes in SM data sources and data source profiles.
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9.5.6.2 Procedures
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9.5.6.2.1 Subscribe SM data source
Figure 9.5.6.2.1-1 depicts the procedure for the authorized VAL server or SEAL server to subscribe to the SM server for the the SM data source specific event. VAL server or SEAL server can get notification information when the the SM server detects subscribed event. Pre-conditions: 1. The VAL server or SEAL server ha...
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9.5.6.2.2 Notify SM data source event
Figure 9.5.6.2.2-1 depicts the notify spatial map event operation between the authorized SM data source consumer (VAL server or SEAL server) and SEAL SM server. Figure 9.5.6.2.2-1: SM data source notification 1. The SEAL SM server detects an event that triggers the notification to the subscribers for the correspond...
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9.5.6.2.3 SM data source update subscription
Figure 9.5.6.2.3-1 depicts the procedure for the authorized VAL server or SEAL server to update the SM data source subscription with the SM server. Pre-conditions: 1. The VAL server or SEAL server subscribed for SM data source related events with the SM server. Figure 9.5.6.2.3-1: SM data source subscription updat...
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9.5.6.2.4 SM data source unsubscribe
Figure 9.5.6.2.4-1 depicts the procedure for the authorized VAL server or SEAL server to remove the SM data source subscription with the SM server. Pre-conditions: 1. The VAL server or SEAL server subscribed for SM data source related events with the SM server. Figure 9.5.6.2.4-1: SM data source unsubscribe 1. Th...
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9.5.6.3 Information flows