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Content for  TS 29.502  Word version:  18.5.0

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6.1.3.7 Resource: Individual PDU session (V-SMF or I-SMF)  6.1.3.7.1 Description  6.1.3.7.2 Resource Definition  6.1.3.7.3 Resource Standard Methods  6.1.3.7.3.1 POST  6.1.3.7.4 Resource Custom Operations  6.1.3.7.4.1 Overview  6.1.3.7.4.2 Operation: modify  6.1.3.7.4.2.1 Description  6.1.3.7.4.2.2 Operation Definition  6.1.3.7.4.3 Operation: transfer-mt-data   6.1.3.7.4.3.1 Description  6.1.3.7.4.3.2 Operation Definition 
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6.1.3.7  Resource: Individual PDU session (V-SMF or I-SMF)  p. 123

6.1.3.7.1  Description  p. 123
This resource represents an individual PDU session created in the V-SMF for a HR PDU session or in the I-SMF for a PDU session with an I-SMF.
This resource is modelled with the Document resource archetype (see clause C.1 of TS 29.501).
6.1.3.7.2  Resource Definition  p. 123
Callback URI:
{vsmfPduSessionUri} or {ismfPduSessionUri}
This resource shall support the callback URI variables defined in Table 6.1.3.7.2-1.
Name Data type Definition
vsmfPduSessionUriUriPDU session reference assigned by the V-SMF during the Create service operation.
ismfPduSessionUriUriPDU session reference assigned by the I-SMF during the Create service operation.
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6.1.3.7.3  Resource Standard Methods  p. 123
6.1.3.7.3.1  POST  p. 123
This method sends a status notification to the NF Service Consumer.
This method shall support the URI query parameters specified in Table 6.1.3.7.3.1-1.
Name Data type P Cardinality Description
n/a
This method shall support the request data structures specified in Table 6.1.3.7.3.1-2 and the response data structures and response codes specified in Table 6.1.3.7.3.1-3.
Data type P Cardinality Description
StatusNotificationM1Representation of the status notification.
Data type P Cardinality Response codes Description
n/a204 No ContentSuccessful notification of status change
RedirectResponseO0..1307 Temporary RedirectTemporary redirection. (NOTE 2)
RedirectResponseO0..1308 Permanent RedirectPermanent redirection. (NOTE 2)
NOTE 1:
The mandatory HTTP error status codes for the POST method listed in Table 5.2.7.1-1 of TS 29.500 other than those specified in the Table above also apply, with a ProblemDetails data type (see clause 5.2.7 of TS 29.500).
NOTE 2:
RedirectResponse may be inserted by an SCP or SEPP, see clause 6.10.9.1 of TS 29.500.
Name Data type P Cardinality Description
LocationstringM1An alternative URI of the resource located on an alternative service instance within the same SMF or SMF (service) set.
For the case when a request is redirected to the same target resource via a different SCP or SEPP, see clause 6.10.9.1 in TS 29.500.
3gpp-Sbi-Target-Nf-IdstringO0..1Identifier of the target SMF (service) instance ID towards which the request is redirected.
Name Data type P Cardinality Description
LocationstringM1An alternative URI of the resource located on an alternative service instance within the same SMF or SMF (service) set.
For the case when a request is redirected to the same target resource via a different SCP or SEPP, see clause 6.10.9.1 in TS 29.500.
3gpp-Sbi-Target-Nf-IdstringO0..1Identifier of the target SMF (service) instance ID towards which the request is redirected.
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6.1.3.7.4  Resource Custom Operations  p. 125
6.1.3.7.4.1  Overview  p. 125
Operation Name Custom operation URI Mapped HTTP method Description
modify{vsmfPduSessionUri}/modify or {ismfPduSessionUri}/modifyPOSTUpdate service operation (initiated by H-SMF or SMF)
transfer-mt-data{vsmfPduSessionUri}/transfer-mt-data or {ismfPduSessionUri}/transfer-mt-dataPOSTTransfer MT Data service operation
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6.1.3.7.4.2  Operation: modify  p. 125
6.1.3.7.4.2.1  Description  p. 125
Void.
6.1.3.7.4.2.2  Operation Definition  p. 125
This custom operation modifies an individual PDU session resource in the V-SMF for a HR PDU session or in the I-SMF for a PDU session with an I-SMF.
This operation shall support the request data structures specified in Table 6.1.3.7.4.2.2-1 and the response data structure and response codes specified in Table 6.1.3.7.4.2.2-2.
Data type P Cardinality Description
VsmfUpdateDataM1Representation of the updates to apply to the PDU session.
Data type P Cardinality Response codes Description
VsmfUpdatedDataM1200 OKThis case represents a successful update of the PDU session, when the V-SMF or I-SMF needs to return information in the response.
n/a204 No ContentThis case represents a successful update of the PDU session, when the V-SMF or I-SMF does not need to return information in the response.
RedirectResponseO0..1307 Temporary RedirectTemporary redirection. (NOTE 2)
RedirectResponseO0..1308 Permanent RedirectPermanent redirection. (NOTE 2)
VsmfUpdateErrorM1400 Bad Request The "cause" attribute shall be set to one of the errors defined in Table 5.2.7.2-1 of TS 29.500.
ProblemDetailsO0..1400 Bad RequestThis error shall only be returned by an SCP or a SEPP for errors they originate. As an exception, this error may also be returned by an SMF, with an empty content, for a protocol error other than those specified for the SMF PDUSession service logic (e.g. protocol error found by the HTTP stack).
VsmfUpdateErrorM1403 Forbidden The "cause" attribute shall be set to one of the following application errors:
  • N1_SM_ERROR
  • UNABLE_TO_PAGE_UE
  • UE_NOT_RESPONDING
  • REJECTED_BY_UE
  • REJECTED_DUE_VPLMN_POLICY
  • HO_TAU_IN_PROGRESS
  • EBI_EXHAUSTED
  • EBI_REJECTED_LOCAL_POLICY, if the EBI allocation was rejected due to local policies at the AMF as specified in clause 4.11.1.4.1 of TS 23.502.
  • EBI_REJECTED_NO_N26, if the EBI allocation was rejected when the AMF is in a serving PLMN that does not support 5GS-EPS interworking procedures with N26 interface as specified in clause 5.17.2.3.1 of TS 23.501.
See Table 6.1.7.3-1 for the description of these errors.
ProblemDetailsO0..1403 ForbiddenThis error shall only be returned by an SCP or a SEPP for errors they originate. As an exception, this error may also be returned by an SMF, with an empty content, for a protocol error other than those specified for the SMF PDUSession service logic (e.g. protocol error found by the HTTP stack).
VsmfUpdateErrorM1404 Not Found The "cause" attribute shall be set to one of the following application error:
  • CONTEXT_NOT_FOUND
See Table 6.1.7.3-1 for the description of these errors.
VsmfUpdateErrorO0..1409 Conflict The "cause" attribute may be used to indicate one of the following application errors:
  • HIGHER_PRIORITY_REQUEST_ONGOING;
  • UE_IN_CM_IDLE_STATE
See Table 6.1.7.3-1 for the description of these errors.
VsmfUpdateErrorM1500 Internal Server Error The "cause" attribute shall be set to one of the errors defined in Table 5.2.7.2-1 of TS 29.500.
ProblemDetailsO0..1500 Internal Server ErrorThis error shall only be returned by an SCP or a SEPP for errors they originate. As an exception, this error may also be returned by an SMF, with an empty content, for a general server error other than those specified for the SMF PDUSession service logic.
VsmfUpdateErrorM1503 Service Unavailable The "cause" attribute shall be set to one of the errors defined in Table 5.2.7.2-1 of TS 29.500.
ProblemDetailsO0..1503 Service UnavailableThis error shall only be returned by an SCP or a SEPP for errors they originate. As an exception, this error may also be returned by an SMF, with an empty content, for a general server error other than those specified for the SMF PDUSession service logic.
VsmfUpdateErrorM1504 Gateway Timeout The "cause" attribute shall be set to one of the following application errors:
  • PEER_NOT_RESPONDING
  • NETWORK_FAILURE
See Table 6.1.7.3-1 for the description of these errors.
ProblemDetailsO0..1504 Gateway TimeoutThis error shall only be returned by an SCP or a SEPP for errors they originate.
NOTE 1:
The mandatory HTTP error status codes for the POST method listed in Table 5.2.7.1-1 of TS 29.500 other than those specified in the Table above also apply, with a ProblemDetails data type (see clause 5.2.7 of TS 29.500).
NOTE 2:
RedirectResponse may be inserted by an SCP or SEPP, see clause 6.10.9.1 of TS 29.500.
Name Data type P Cardinality Description
LocationstringM1An alternative URI of the resource located on an alternative service instance within the same SMF or SMF (service) set.
For the case when a request is redirected to the same target resource via a different SCP or SEPP, see clause 6.10.9.1 in TS 29.500.
3gpp-Sbi-Target-Nf-IdstringO0..1Identifier of the target SMF (service) instance ID towards which the request is redirected.
Name Data type P Cardinality Description
LocationstringM1An alternative URI of the resource located on an alternative service instance within the same SMF or SMF (service) set.
For the case when a request is redirected to the same target resource via a different SCP or SEPP, see clause 6.10.9.1 in TS 29.500.
3gpp-Sbi-Target-Nf-IdstringO0..1Identifier of the target SMF (service) instance ID towards which the request is redirected.
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6.1.3.7.4.3  Operation: transfer-mt-data   p. 128
6.1.3.7.4.3.1  Description  p. 128
This custom operation enables to transfer mobile terminated data received from NEF, for a given PDU session, towards the V-SMF for HR roaming scenarios, or the I-SMF for a PDU session with an I-SMF.
6.1.3.7.4.3.2  Operation Definition  p. 128
This operation shall support the request data structures specified in Table 6.1.3.7.4.3.2-1 and the response data structure and response codes specified in Table 6.1.3.7.4.3.2-2.
Data type P Cardinality Description
TransferMtDataReqDataM1Representation of the content of a Transfer MT Data Request
Data type P Cardinality Response codes Description
n/a204 No ContentSuccessful MT data transfer
RedirectResponseO0..1307 Temporary RedirectTemporary redirection. (NOTE 2)
RedirectResponseO0..1308 Permanent RedirectPermanent redirection. (NOTE 2)
TransferMtDataErrorM1504 Gateway Timeout The "cause" attribute may be used to indicate the following application errors:
  • UE_NOT_REACHABLE, if the UE is not reachable to deliver the mobile terminated data; Estimated Maximum Waiting Time shall be included if available;
See Table 6.1.7.3-1 for the description of these errors.
NOTE 1:
The mandatory HTTP error status codes for the POST method listed in Table 5.2.7.1-1 of TS 29.500 other than those specified in the Table above also apply, with a ProblemDetails data type (see clause 5.2.7 of TS 29.500).
NOTE 2:
RedirectResponse may be inserted by an SCP or SEPP, see clause 6.10.9.1 of TS 29.500.
Name Data type P Cardinality Description
LocationstringM1An alternative URI of the resource located on an alternative service instance within the same SMF or SMF (service) set.
For the case when a request is redirected to the same target resource via a different SCP or SEPP, see clause 6.10.9.1 in TS 29.500.
3gpp-Sbi-Target-Nf-IdstringO0..1Identifier of the target SMF (service) instance ID towards which the request is redirected.
Name Data type P Cardinality Description
LocationstringM1An alternative URI of the resource located on an alternative service instance within the same SMF or SMF (service) set.
For the case when a request is redirected to the same target resource via a different SCP or SEPP, see clause 6.10.9.1 in TS 29.500.
3gpp-Sbi-Target-Nf-IdstringO0..1Identifier of the target SMF (service) instance ID towards which the request is redirected.
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