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Content for  TS 29.502  Word version:  18.7.0

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6.1.3.6 Resource: Individual PDU session (H-SMF or SMF)  6.1.3.6.1 Description  6.1.3.6.2 Resource Definition  6.1.3.6.3 Resource Standard Methods  6.1.3.6.4 Resource Custom Operations  6.1.3.6.4.1 Overview  6.1.3.6.4.2 Operation: modify  6.1.3.6.4.2.1 Description  6.1.3.6.4.2.2 Operation Definition  6.1.3.6.4.3 Operation: release  6.1.3.6.4.3.1 Description  6.1.3.6.4.3.2 Operation Definition  6.1.3.6.4.4 Operation: transfer-mo-data   6.1.3.6.4.4.1 Description  6.1.3.6.4.4.2 Operation Definition  6.1.3.6.4.5 Operation: retrieve   6.1.3.6.4.5.1 Description  6.1.3.6.4.5.2 Operation Definition 
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6.1.3.6  Resource: Individual PDU session (H-SMF or SMF)  p. 118

6.1.3.6.1  Description  p. 118
This resource represents an individual PDU session created in the H-SMF for a HR PDU session or in the 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).
6.1.3.6.2  Resource Definition  p. 119
Resource URI:
{apiRoot}/nsmf-pdusession/<apiVersion>/pdu-sessions/{pduSessionRef}
This resource shall support the resource URI variables defined in Table 6.1.3.6.2-1.
Name Data type Definition
apiRootstringSee clause 6.1.1.
pduSessionRefstringPDU session reference assigned by the H-SMF or SMF during the Create service operation.
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6.1.3.6.3  Resource Standard Methods  p. 119
None.
6.1.3.6.4  Resource Custom Operations  p. 119
6.1.3.6.4.1  Overview  p. 119
Operation Name Custom operation URI Mapped HTTP method Description
modify{resourceUri}/modifyPOSTUpdate service operation
release{resourceUri}/releasePOSTRelease service operation
transfer-mo-data{resourceUri}/ transfer-mo-dataPOSTTransfer MO Data service operation
retrieve{resourceUri}/ retrievePOSTRetrieve service operation
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6.1.3.6.4.2  Operation: modify  p. 119
6.1.3.6.4.2.1  Description  p. 119
Void.
6.1.3.6.4.2.2  Operation Definition  p. 119
This custom operation updates an individual PDU session resource in the H-SMF or SMF and/or provide the H-SMF or SMF with information received by the V-SMF or I-SMF in N1 SM signalling from the UE.
This operation shall support the request data structures specified in Table 6.1.3.6.4.2.2-1 and the response data structure and response codes specified in Table 6.1.3.6.4.2.2-2.
Data type P Cardinality Description
HsmfUpdateDataM1Representation of the updates to apply to the PDU session.
Data type P Cardinality Response codes Description
HsmfUpdatedDataC0..1200 OKThis case represents a successful update of the PDU session, when the H-SMF or SMF needs to return information in the response.
n/a204 No ContentThis case represents a successful update of the PDU session, when the H-SMF or SMF does not need to return information in the response.
RedirectResponseO0..1307 Temporary RedirectTemporary redirection. (NOTE 2)
RedirectResponseO0..1308 Permanent RedirectPermanent redirection. (NOTE 2)
HsmfUpdateErrorM1400 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).
HsmfUpdateErrorM1403 Forbidden The "cause" attribute shall be set to one of the following application errors:
  • N1_SM_ERROR
  • SUBSCRIPTION_DENIED
  • PDU_SESSION_ANCHOR_CHANGE
  • S_NSSAI_UNAVAILABLE_DUE_TO_NSAC
  • INTEGRITY_PROTECTED_MDR_NOT_ACCEPTABLE
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).
HsmfUpdateErrorM1404 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.
HsmfUpdateErrorM1500 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.
HsmfUpdateErrorM1503 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 or to one of the following application errors:
  • DNN_CONGESTION
  • S_NSSAI_CONGESTION
See Table 6.1.7.3-1 for the description of these errors.
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.
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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6.1.3.6.4.3  Operation: release  p. 121
6.1.3.6.4.3.1  Description  p. 121
Void.
6.1.3.6.4.3.2  Operation Definition  p. 121
This custom operation releases an individual PDU session resource in the H-SMF for a HR PDU session or in the SMF for a PDU session with an I-SMF.
This operation shall support the request data structures specified in Table 6.1.3.6.4.3.2-1 and the response data structure and response codes specified in Table 6.1.3.6.4.3.2-2.
Data type P Cardinality Description
ReleaseDataC0..1Representation of the data to be sent to the H-SMF or SMF when releasing the PDU session.
Data type P Cardinality Response codes Description
ReleasedDataM1200 OKSuccessful release of a PDU session context, when information needs to be returned to the NF Service Consumer. (NOTE 2)
n/a204 No ContentSuccessful release of a PDU session.
RedirectResponseO0..1307 Temporary RedirectTemporary redirection. (NOTE 3)
RedirectResponseO0..1308 Permanent RedirectPermanent redirection. (NOTE 3)
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:
The support for 200 OK shall be dependent on the support of the indicated feature.
NOTE 3:
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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6.1.3.6.4.4  Operation: transfer-mo-data   p. 122
6.1.3.6.4.4.1  Description  p. 122
This custom operation enables to transfer mobile originated data received from AMF, for a given PDU session, towards the H-SMF for HR roaming scenarios, or the SMF for a PDU session with an I-SMF.
This operation shall support the request data structures specified in Table 6.1.3.6.4.4.2-1 and the response data structure and response codes specified in Table 6.1.3.6.4.4.2-2.
Data type P Cardinality Description
TransferMoDataReqDataM1Representation of the content of a Transfer MO Data Request
Data type P Cardinality Response codes Description
n/a204 No ContentSuccessful MO data transfer
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.
Up
6.1.3.6.4.4.2  Operation Definition  p. 122
Void.
6.1.3.6.4.5  Operation: retrieve   p. 123
6.1.3.6.4.5.1  Description  p. 123
Void.
6.1.3.6.4.5.2  Operation Definition  p. 123
This custom operation retrieves information from an individual PDU session context in the H-SMF for a HR PDU session or in the SMF for a PDU session with an I-SMF.
This operation shall support the request data structures specified in Table 6.1.3.6.4.5.2-1 and the response data structure and response codes specified in Table 6.1.3.6.4.5.2-2.
Data type P Cardinality Description
RetrieveDataM1Representation of the content of a Retrieve Request
Data type P Cardinality Response codes Description
RetrievedDataM1200 OKSuccessful retrieval of information from a PDU session context.
RedirectResponseO0..1307 Temporary RedirectTemporary redirection. (NOTE 2)
RedirectResponseO0..1308 Permanent RedirectPermanent redirection. (NOTE 2)
ProblemDetailsO0..1504 Gateway Timeout The "cause" attribute may be set to one of the following application errors:
  • UPF_NOT_RESPONDING
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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