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Content for  TS 24.501  Word version:  17.5.0

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9.11.2.10  Service-level-AA container |R17|Word‑p. 656

The purpose of the Service-level-AA container information element is to transfer upper layer information for authentication and authorization between the UE and the network.
The Service-level-AA container information element is coded as shown in Figure 9.11.2.10.1, Figure 9.11.2.10.2, Figure 9.11.2.10.3, Figure 9.11.2.10.4 and Table 9.11.2.10.1.
The Service-level-AA container is a type 6 information element with a minimum length of 6 octets and a maximum length of 65538 octets.
Reproduction of 3GPP TS 24.501, Figure 9.11.2.10.1: Service-level-AA container information element
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Reproduction of 3GPP TS 24.501, Figure 9.11.2.10.2: Service-level-AA container contents
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Reproduction of 3GPP TS 24.501, Figure 9.11.2.10.3: Service-level-AA parameter (when the type of service-level-AA parameter field contains an IEI of a type 4 information element as specified in TS 24.007 [11])
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Reproduction of 3GPP TS 24.501, Figure 9.11.2.10.4: Service-level-AA parameter (when the type of service-level-AA parameter field contains an IEI of a type 6 information element as specified in TS 24.007 [11])
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Service-level-AA container contents (octet 4 to octet n); max value of 65535 octets
The error handlings for service-level-AA parameters specified in subclauses 7.6.1, 7.6.3 and 7.7.1 shall apply to the service-level-AA parameters included in the Service-level-AA container contents.
Service-level-AA parameters
Type of service-level-AA parameter (octet xi +1)
This field contains the IEI of the service-level-AA parameter.
Length of service-level-AA parameter
This field indicates binary coded length of the value of the service-level-AA parameter.
Value of service-level-AA parameter
This field contains the value of the service-level-AA parameter with the value part of the referred information element based on following service-level-AA parameter reference.
The receiving entity shall ignore service-level-AA parameter with type of service-level-AA parameter field containing an unknown IEI.
IEI (hexa­decimal)Service-level-AA parameter nameService-level-AA parameter reference
10Service-level device IDService-level device ID (see subclause 9.11.2.11)
20Service-level-AA server addressService-level-AA server address (see subclause 9.11.2.12)
30Service-level-AA responseService-level-AA response (see subclause 9.11.2.14)
70Service-level-AA payloadService-level-AA payload (see subclause 9.11.2.13)
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9.11.2.11  Service-level device ID |R17|Word‑p. 659

The purpose of the Service-level device ID information element is to carry the necessary identity for authentication and authorization by the external DN.
The Service-level device ID information element is coded as shown in Figure 9.11.2.11.1 and Table 9.11.2.11.1.
The Service-level device ID is a type 4 information element with minimum length of 3 octets and maximum length of 257 octets.
Reproduction of 3GPP TS 24.501, Figure 9.11.2.11.1: Service-level device ID information element
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Service-level device ID (octet 3 to octet y)
A Service-level device ID encoded as UTF-8 string.
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9.11.2.12  Service-level-AA server address |R17|Word‑p. 660

The purpose of the Service-level-AA server address information element is to carry the address of the service level authentication and authorization server.
The Service-level-AA server address information element is coded as shown in Figure 9.11.2.12.1 and Table 9.11.2.12.1.
The Service-level-AA server address is a type 4 information element with minimum length of 4 octets and maximum length of 258 octets.
Reproduction of 3GPP TS 24.501, Figure 9.11.2.12.1: Service-level-AA server address information element
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Service-level-AA server address type (octet 2):
Bits
8 7 6 5 4 3 2 1
0 0 0 0 0 0 0 1IPv4
0 0 0 0 0 0 1 0IPv6
0 0 0 0 0 0 1 1IPv4v6
0 0 0 0 0 1 0 0FQDN
All other values are spare.
If the Service-level-AA server address type indicates IPv4, then the Service-level-AA server address field contains an IPv4 address in octet 4 to octet 7.
If the Service-level-AA server address type indicates IPv6, then the Service-level-AA server address field contains an IPv6 address in octet 4 to octet 19.
If the Service-level-AA server address type indicates IPv4v6, then the Service-level-AA server address field contains two IP addresses. The first IP address is an IPv4 address in octet 4 to octet 7. The second IP address is an IPv6 address in octet 8 to octet 23.
If the Service-level-AA server address type indicates FQDN, octet 4 to octet z is encoded as defined in subclause 28.3.2.2.2 in TS 23.003.
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9.11.2.13  Service-level-AA payload |R17|Word‑p. 660

The purpose of the Service-level-AA payload information element is to carry the upper layer payload for authentication and authorization between the UE and the service-level-AA server.
The Service-level-AA payload information element is coded as shown in Figure 9.11.2.13.1 and Table 9.11.2.13.1.
The Service-level-AA payload is a type 6 information element with minimum length of 4 octets and maximum length of 65535 octets.
Reproduction of 3GPP TS 24.501, Figure 9.11.2.13.1: Service-level-AA payload information element
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Service-level-AA payload (octet 4 to octet s)
A payload for authentication and authorization transparently transported and which is provided from/to the upper layers.
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9.11.2.14  Service-level-AA response |R17|Word‑p. 661

The purpose of the Service-level-AA response information element is to provide information regarding the service level authentication and authorization request, e.g. to indicate that the authentication and authorization request to the service level authentication server was successful.
The Service-level-AA response information element is coded as shown in Figure 9.11.2.14.1 and Table 9.11.2.14.1.
The Service-level-AA response is a type 4 information element with minimum length of 3 octets.
Reproduction of 3GPP TS 24.501, Figure 9.11.2.14.1: Service-level-AA response information element
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Service-level-AA result bit (SLAR) (octet 3, bit 1)
Bit
1
0Service level authentication and authorization was successful
1Service level authentication and authorization was not successful
Bits 2 to 8 of octet 3 are spare and shall be coded as zero.
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9.11.2.15  Service-level-AA payload type |R17|Word‑p. 661

9.11.2.16  C2 authorization payload |R17|Word‑p. 662

9.11.2.17  Service-level-AA pending indication |R17|Word‑p. 663


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