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Content for  TS 23.286  Word version:  17.3.0

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4  Architectural requirementsWord‑p. 13

4.1  GeneralWord‑p. 13

4.1.1  DescriptionWord‑p. 13

This subclause specifies the general requirements for V2X application layer functional architecture.

4.1.2  RequirementsWord‑p. 13

[AR-4.1.2-a]
The VAE client and the VAE server shall support one or more V2X applications.
[AR-4.1.2-b]
The VAE capabilities should be offered as APIs to the V2X applications.
[AR-4.1.2-c]
The VAE capabilities shall enable V2X UEs to obtain the address of available V2X application servers associated with served geographical area information.
[AR-4.1.2-d]
The VAE capabilities shall enable V2X UEs to obtain the information of available V2X services (e.g. identified byV2X service ID).
[AR-4.1.2-e]
The VAE capabilities shall support obtaining information of the available V2X services (e.g. identified by V2X service ID) from the V2X application.
[AR-4.1.2-f]
The VAE capabilities shall support obtaining information of the associated geographical area from the V2X application.
[AR-4.1.2-g]
The VAE client shall be able to communicate to multiple VAE servers.
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4.2  V2X group communicationWord‑p. 13

4.2.1  DescriptionWord‑p. 13

This subclause specifies the V2X group communication related requirements.

4.2.2  RequirementsWord‑p. 13

[AR-4.2.2-a]
The VAE capabilities shall enable configuring ProSe group communication parameters to the VAE clients.
[AR-4.2.2-b]
The VAE capabilities shall enable broadcast of the group communication parameters.
[AR-4.2.2-c]
The VAE capabilities shall enable VAE clients to generate the group communication parameters.
[AR-4.2.2-d]
The VAE capabilities shall enable to prevent overlapping of group communication.

4.3  V2X dynamic groupsWord‑p. 14

4.3.1  DescriptionWord‑p. 14

This subclause specifies the V2X dynamic groups related requirements.

4.3.2  RequirementsWord‑p. 14

[AR-4.3.2-a]
The VAE capabilities shall enable V2X dynamic groups formation.
[AR-4.3.2-b]
The VAE capabilities shall enable configuring dynamic group communication parameters to the VAE client.
[AR-4.3.2-c]
The VAE capabilities shall enable switching from Uu to PC5-based communication.
[AR-4.3.2-d]
The VAE capabilities shall enable determining V2X UEs in the proximity.
[AR-4.3.2-e]
The VAE capabilities shall enable V2X dynamic group management (e.g. joining, adding or removing V2X UEs, split or merge).

4.4  File distribution capabilityWord‑p. 14

4.4.1  DescriptionWord‑p. 14

This subclause specifies the architectural requirements for file distribution.

4.4.2  RequirementsWord‑p. 14

[AR-4.4.2-a]
The VAE capabilities shall be able to support delivery of large files using unicast.
[AR-4.4.2-b]
The VAE capabilities shall be able to support delivery of large files using MBMS.
[AR-4.4.2-c]
The VAE server shall enable the re-use of MBMS capabilities for file distribution.
[AR-4.4.2-d]
The VAE capabilities shall be able to support local MBMS based MBMS data delivery.

4.5  V2X application message distributionWord‑p. 14

4.5.1  DescriptionWord‑p. 14

This subclause specifies the V2X (e.g. ETSI ITS, SAE) message distribution requirements.

4.5.2  RequirementsWord‑p. 14

[AR-4.5.2-a]
The VAE server shall provide a mechanism to distribute V2X messages to all registered receivers in targeted geographical areas.
[AR-4.5.2-b]
The VAE server shall enable the delivery of several V2X messages over the same connection.
[AR-4.5.2-c]
The VAE client shall have the capability to register to V2X messages within one or more geographical area.
[AR-4.5.2-d]
The VAE server shall have the capability to only forward V2X messages to authorized V2X UEs in target geographical areas.
[AR-4.5.2-e]
The VAE server shall provide a mechanism for priority support of different V2X messages (e.g. safety message).
[AR-4.5.2-f]
The VAE capabilities shall support the transmission of V2X messages from the V2X UE to the V2X application server.
[AR-4.5.2-g]
The VAE layer shall provide a mechanism to support session-oriented services.
[AR-4.5.2-h]
The VAE layer shall support the delivery of V2X messages over pre-established sessions.
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4.6  Service continuityWord‑p. 15

4.6.1  DescriptionWord‑p. 15

This subclause specifies the V2X service continuity related requirements.

4.6.2  RequirementsWord‑p. 15

[AR-4.6.2-a]
The VAE capabilities shall enable V2X UEs to continue receiving V2X service when changing geographical area.

4.7  PC5 Provisioning in multi-operator V2X scenarios |R17|Word‑p. 15

4.7.1  DescriptionWord‑p. 15

This subclause specifies the PC5 Provisioning for multi-operator V2X services related requirements.

4.7.2  RequirementsWord‑p. 15

[AR-4.7.2-a]
The VAE capabilities shall support PC5 policy/parameter provisioning for V2X services provided by a single V2X service provider; and offered by more than one MNO (aka multi-operator V2X services).

5  Involved business relationshipsWord‑p. 15

Figure 5-1 shows the business relationships that exist and that are needed to support a single V2X user.
Copy of original 3GPP image for 3GPP TS 23.286, Figure 5-1: Business relationships for V2X services
Figure 5-1: Business relationships for V2X services
(⇒ copy of original 3GPP image)
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The V2X user belongs to a V2X service provider based on a V2X service agreement between the V2X user and the V2X service provider. The V2X service provider can have V2X service agreements with several V2X users. The V2X user can have V2X service agreements with several V2X service providers. The V2X service provider can have V2X service provider agreements with several partner V2X service providers.
The V2X service provider and the home PLMN operator can be part of the same organization, in which case the business relationship between the two is internal to a single organization.
The home PLMN operator can have PLMN operator service arrangements with multiple V2X service providers and the V2X service provider can have PLMN operator service arrangements with multiple home PLMN operators. As part of the PLMN operator service arrangement between the V2X service provider and the home PLMN operator, PLMN subscription arrangements can be provided which allows the V2X UEs to register with home PLMN operator network.
The home PLMN operator can have PLMN roaming agreements with multiple visited PLMN operators and the visited PLMN operator can have PLMN roaming agreements with multiple home PLMN operators.
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