Information element | Status | Description |
---|---|---|
Requestor identifier | M | The ID of the requestor (e.g. EECID) |
UE Identifier | O | The identifier of the UE (i.e., GPSI). |
Security credentials | M | Security credentials resulting from a successful authorization for the edge computing service. |
EAS discovery filters | O | Set of characteristics to determine required EASs, as detailed in Table 8.5.3.2-2. |
UE location | O | The location information of the UE. The UE location is described in clause 7.3.2. |
List of UE IDs | O | List of UE IDs in an Application Group, applicable for S-EAS or S-EES triggered EAS discovery request. |
Serving MNO information (NOTE 2) | O | The serving MNO information (e.g. MNO name, PLMN ID) which is serving the subscriber. |
Target DNAI (NOTE) | O | Target DNAI information which can be associated with potential T-EAS(s) |
EEC Service Continuity Support | O | Indicates if the EEC supports service continuity or not. The IE also indicates which ACR scenarios are supported by the EEC or, if this message is sent by the EEC to discover a T-EAS, which ACR scenario(s) are intended to be used for the ACR. |
EES Service Continuity Support (NOTE 1) | O | The IE indicates if the S-EES supports service continuity or not. The IE also indicates which ACR scenarios are supported by the S-EES or, if the EAS discovery is used for an S-EES executed ACR according to clause 8.8.2.5, which ACR scenario is to be used for the ACR. |
EAS Service Continuity Support (NOTE 1) | O | The IE indicates if the S-EAS supports service continuity or not. The IE also indicates which ACR scenarios are supported by the S-EAS or, if the EAS discovery is used for an S-EAS decided ACR according to clause 8.8.2.4, which ACR scenario is to be used for the ACR. |
EAS Instantiation Triggering Suppress | O | Indicates to the EES that EAS instantiation triggering should not be performed for the current request, and Instantiable EAS Information (e.g. instantiated, instantiable but not be instantiated yet) is to be provided in response. |
EAS selection request indicator | O | Indicates the request for EAS selection support from the EES (e.g., for constrained device). |
Indication of service continuity planning | O | Indicates that this EAS discovery request is triggered for service continuity planning. |
Prediction expiration time | O | The estimated time the UE may reach the Predicted/Expected UE location or EAS service area at the latest. This IE is used by EES as analytics input to get edge load analytics information from ADAES service as described in clause 8.8 of TS 23.436. |
NOTE 1:
This IE shall not be included when the request originates from the EEC.
NOTE 2:
This IE shall be included if edge node sharing is used.
|
Information element | Status | Description |
---|---|---|
List of AC characteristics (NOTE 1) | O | Describes the ACs for which a matching EAS is needed. |
> AC profile (NOTE 2) | M | AC profile containing parameters used to determine matching EAS. AC profiles are further described in Table 8.2.2-1. |
> Application group profile | O | Application group profile associated with the AC Profile, as defined in Table 8.2.11-1. |
List of EAS characteristics (NOTE 1, NOTE 3) | O | Describes the characteristic of required EASs. |
> EASID | O | Identifier of the required EAS. |
> Application Group ID | O | Application group identifier as defined in clause 7.2.11. |
> EAS content synchronization support | O | Indicates if the EAS content synchronization support is required or not. |
> Bundle ID (NOTE 5) | O | A list of EASIDs or a bundle ID as described in clause 7.2.10. |
> List of EASIDs (NOTE 5) | O | A list of EASIDs specific to a particular EAS bundle. |
> Bundle type (NOTE 4) | O | Type of the EAS bundle as described in clause 7.2.10. |
> EAS bundle requirements (NOTE 4) | O | Requirements associated with the EAS bundle as described in clause 8.2.10. |
> EAS provider identifier | O | Identifier of the required EAS provider |
> EAS type | O | The category or type of required EAS (e.g. V2X, UAV, application enabler) |
> EAS schedule | O | Required availability schedule of the EAS (e.g. time windows) |
> EAS Geographical Service Area | O | Location(s) (e.g. geographical area, route) where the EAS service should be available. |
> EAS Topological Service Area | O | Topological area (e.g. cell ID, TAI) for which the EAS service should be available. See possible formats in Table 8.2.7-1. |
> Service continuity support | O | Indicates if the service continuity support is required or not. |
> Service permission level | O | Required level of service permissions e.g. trial, gold-class |
> Service feature(s) | O | Required service features e.g. single vs. multi-player gaming service |
NOTE 1:
Either "List of AC characteristics" or "List of EAS characteristics" shall be present.
NOTE 2:
"Preferred ECSP list" IE shall not be present.
NOTE 3:
The "List of EAS characteristics" IE must include at least one optional IE, if used as an EAS discovery filter.
NOTE 4:
When EAS discovery request is sent by the EEC, this IE shall not be included.
NOTE 5:
"Bundle ID" and "List of EASIDs" shall not both be present.
|
Information element | Status | Description |
---|---|---|
Successful response | O | Indicates that the EAS discovery request was successful. |
> Discovered EAS list (NOTE 1, NOTE 3) | O | List of discovered EAS(s). Each element includes the information described below. |
>> EAS profile | M | Profile of the EAS. Each element is described in clause 8.2.4 |
>> Application Group ID list (NOTE 4) | O | List of Application Group IDs associated with EAS. |
>> EES Endpoint | O | The endpoint address (e.g. URI, IP address) of the EES. |
>> Lifetime | O | Time interval or duration during which the information elements in the EAS profile is valid and supposed to be cached in the EEC (e.g. time-to-live value for an EAS Endpoint) |
> Analytics information | O | Analytics data for each discovered application server. |
>> Statistical data | O | Indicates the statistical analytics data (e.g. number of times the client received expected performance from the EAS). |
>> Predictive data | O | Indicates predictive analytics data for EAS service status (e.g. EAS schedule, EAS status) change. |
> Instantiable EAS Information (NOTE 1) | O | The EAS instantiation status per EASID (e.g. instantiated, instantiable but not instantiated yet, instantiation in progress). |
>> Instantiation criteria (NOTE 2) | O | The criteria upon which EAS can be instantiated (e.g. based on specific date and time). |
Failure response | O | Indicates that the EAS discovery request failed. |
> Cause | O | Indicates the cause of EAS discovery request failure. |
NOTE 1:
At least one of the IEs must be included in the Successful response.
NOTE 2:
"Instantiation criteria" IE shall be present only when the value of "Instantiable EAS information" IE is "instantiable but not be instantiated yet".
NOTE 3:
If EAS discovery is used for ENS scenario, discovered EAS list contains only those EASs which are allowed to be used by the subscribers of the serving MNO.
NOTE 4:
"Application Group ID list" IE shall be present when "Application Group profile" is included for "AC profile" in EAS discovery request as specified in clause 8.5.3.2.
|
Information element | Status | Description |
---|---|---|
EECID | M | Unique identifier of the EEC. |
UE Identifier | O | The identifier of the UE (i.e., GPSI). |
Event ID | M | Event ID:
|
Security credentials | M | Security credentials resulting from a successful authorization for the edge computing service. |
Notification Target Address (NOTE 1) | O | The Notification target address (e.g. URL) where the notifications destined for the EEC should be sent to. |
EAS discovery filters | O | Set of characteristics to determine matching EASs (as detailed in Table 8.5.3.2-2). Applicable for "EAS availability change" event |
EAS dynamic information filters | O | List of dynamic information changes (as detailed in Table 8.5.3.4-2) about EAS, the EEC is interested in. Applicable for "EAS dynamic information change" event |
EEC Service Continuity Support | O | Indicates if the EEC supports service continuity or not. The IE also indicates which ACR scenarios are supported by the EEC. |
Proposed expiration time | O | Proposed expiration time for the subscription |
EAS Instantiation Triggering Indication (NOTE 2) | O | Indicates to the EES that EAS instantiation triggering may be performed for the current request if needed. |
EAS Instantiation Triggering Suppress (NOTE 2) | O | Indicates to the EES that EAS instantiation triggering should not be performed for the current request, and Instantiable EAS Information (e.g. instantiated, instantiable but not be instantiated yet) is to be provided in the notification. |
EEC Triggering request (NOTE 1) | O | Indicates that EEC Triggering is requested. |
Port ID for EEC Triggering (NOTE 3) | O | Port ID used for the EEC Triggering. |
NOTE 1:
One of them may be included in the request message.
NOTE 2:
One of them may be included in the request message.
NOTE 3:
This IE may be provided if the EEC Triggering request is included in the EAS discovery subscription request.
|
Information element | Status | Description |
---|---|---|
List of dynamic information filters | M | List of EAS dynamic information required by the EEC per EAS. |
> EASID | M | Identifier of the EAS. |
> ACIDs | O | Flag to notify change in list of ACIDs served by the EAS. |
> EAS Description | O | Flag to notify change in description of the EAS. |
> EAS Endpoint | O | Flag to notify change in EAS endpoint. It may also include one or more EAS endpoints to be monitored by the EES. If no EAS endpoint is provided, all EASs registered in the EES will be monitored. |
> EAS Features | O | Flag to notify any change in features provided by the EAS. |
> EAS Schedule | O | Flag to notify change in availability schedule of the EAS (e.g. time windows). |
> EAS Service Area | O | Flag to notify change in geographical service area that the EAS serves. |
> EAS Service KPIs | O | Flag to notify change in characteristics of the EAS. |
> EAS Status | O | Flag to notify change in the status of the EAS (e.g. enabled, disabled, etc.). |
> Service continuity support | O | Flag to notify change in EAS support for service continuity. |
Information element | Status | Description |
---|---|---|
Successful response | O | Indicates that the subscription request was successful. |
> Subscription ID | M | Subscription identifier corresponding to the subscription. |
> Expiration time | O | Indicates the expiration time of the subscription. To maintain an active subscription, a subscription update is required before the expiration time. |
Failure response | O | Indicates that the subscription request failed. |
> Cause | O | Indicates the cause of subscription request failure |
Information element | Status | Description |
---|---|---|
Subscription ID | M | Subscription identifier corresponding to the subscription stored in the EES for the request. |
Event ID | M | Either EAS availability change or EAS dynamic information change. |
EAS list | O | List of discovered EAS profiles. Each element includes the information described below. |
> EAS profile | M | Profile of the EAS. Each element is described in clause 8.2.4 |
> Application Group ID list (NOTE 3) | O | List of Application Group IDs associated with EAS. |
> EES Endpoint | O | The endpoint address (e.g. URI, IP address) of the common EES. |
> Lifetime | O | Time interval or duration during which the information elements in the EAS profile is valid and supposed to be cached in the EEC (e.g. time-to-live value for an EAS Endpoint) |
> Analytics information | O | Analytics information for EAS. |
>> Statistical data | O | Indicates the statistical analytics data (e.g. number of times the client received expected performance from the EAS). Applicable for "EAS availability change" event. |
>> Predictive data | O | Indicates predictive analytics data for EAS service status (e.g. EAS schedule, EAS status) change. Applicable for "EAS dynamic information change" event. |
Instantiable EAS information (NOTE 1) | O | The EAS instantiation status per EASID (e.g. instantiated, instantiable but not be instantiated yet). |
> Instantiation criteria (NOTE 2) | O | The criteria upon which EAS can be instantiated (e.g. based on specific date and time). |
NOTE 1:
"Instantiable EAS information" can be provided to EEC, if the "EAS Instantiation Triggering Suppress" is provided in EAS discovery subscription request.
NOTE 2:
"Instantiation criteria" IE shall be present only when the value of "Instantiable EAS information" IE is "instantiable but not be instantiated yet".
NOTE 3:
"Application Group ID list" IE shall be present when "Application Group profile" is included for "AC profile" in EAS discovery subscription request as specified in clause 8.5.3.4.
|
Information element | Status | Description |
---|---|---|
Subscription ID | M | Subscription identifier corresponding to the subscription to be updated |
Security credentials | M | Security credentials resulting from a successful authorization for the edge computing service. |
Proposed expiration time | O | Proposed expiration time for the subscription |
EAS discovery filters | O | Set of characteristics to determine required EASs, as detailed in Table 8.5.3.2-2. |
EAS dynamic information filters | O | List of dynamic information about EAS, the EEC is interested in, as detailed in Table 8.5.3.4-2. |
EEC Service Continuity Support | O | Indicates if the EEC supports service continuity or not. The IE also indicates which ACR scenarios are supported by the EEC. |
Information element | Status | Description |
---|---|---|
Successful response | O | Indicates that the subscription update request was successful. |
> Expiration time | O | Indicates the expiration time of the updated subscription. To maintain an active subscription, a subscription update is required before the expiration time. |
Failure response | O | Indicates that the subscription update request failed. |
> Cause | O | Indicates the cause of subscription update request failure |
Information element | Status | Description |
---|---|---|
Subscription ID | M | Subscription identifier corresponding to the subscription to be unsubscribed |
Security credentials | M | Security credentials of the EEC |
Information element | Status | Description |
---|---|---|
Successful response | O | Indicates that the unsubscribe request was successful. |
Failure response | O | Indicates that the unsubscribe request failed. |
> Cause | O | Indicates the cause of unsubscribe request failure |
API Name | API Operations | Operation Semantics | Consumer(s) |
---|---|---|---|
Eees_ | Request | Request/ Response | EEC |
Subscribe | Subscribe/ Notify | EEC | |
Notify | |||
UpdateSubscription | |||
Unsubscribe |