DIAMETER RFC 4006 PDF

A session is a logical concept at the application layer that exists between the Diameter client and the Diameter server; it is identified via the Session-Id AVP. Initialized to the Diameter process startup time. Encoded as number of seconds since 1 January, Diameter Identity. Omitted in CCR-I if not configured. If no data is available for the specified origin, then the subscriber-id is used instead.

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A session is a logical concept at the application layer that exists between the Diameter client and the Diameter server; it is identified via the Session-Id AVP. Initialized to the Diameter process startup time. Encoded as number of seconds since 1 January, Diameter Identity. Omitted in CCR-I if not configured. If no data is available for the specified origin, then the subscriber-id is used instead. A rating group maps to a category configured in a category-map:.

The local IPv4 address used to setup the diameter peer. AVP included if configured in the diameter application policy:. The local IPv6 address used to setup the diameter peer. The configured value is used when the GTP learned value is unknown or invalid. Note that there is no check if the provided data is in the format of the configured type. Amount of used service units measured for a given category or rating group to a given quota type.

Number of ingress bytes forwarded via queues or policers that are monitored in ingress direction for this rating group. Number of egress bytes forwarded via queues or policers that are monitored in egress direction for this rating group.

Value equals zero when credit type is time. Total number of seconds during which activity is detected for queues or policers that are monitored for this rating group. Only sampling periods exceeding the configured activity-threshold are counted configure subscriber-mgmt category-map category-map-name activity-threshold kilobits-per-second.

Total number of bytes used for this rating-group. Action to take when the Credit Control client does not receive a valid CCA message within the interval specified with tx-timer default 10s. The final reporting can be disabled with configure subscriber-mgmt diameter-application-policy application-policy-name gy out-of-credit-reporting quota-exhausted. Amount of service units that the Diameter credit control client can provide to the end user until the service must be released or a new CCR message must be sent.

Rating group for which the quota is allocated. Threshold preventing time quota exhaustion prior to refreshing. Threshold preventing volume quota exhaustion prior to refreshing. Specifies an idle-timeout associated with the granted service units. The idle time is measured per sampling period. The URL overrides the URL specified with configure subscriber-mgmt category-map category-map-name category category-name exhausted-credit-service-level ingress-ip-filter-entries entry entry-id action http-redirect url allow-override.

The AVP is ignored when the out-of-credit action is different from change-service-level or when no http-redirect action with allow-override is configured. If the value is Terminate, then the session is terminated and the corresponding subscriber host deleted. If the value is Redirect or Restrict Access, then the out-of-credit action as configured for that rating group category is executed:.

Must be set to URL 2. For a single rating group category , either Volume or Time quota can be granted. Granting both time and volume quota for a single rating group is not supported and results in a Diameter Session Failure and the execution of the Credit Control Failure Handling action.

The corresponding subscriber host is deleted from the system. Use the configured IPv4 source address:. Use the configured IPv6 source address:. Use the configured IP source address:. Values 0 Threshold — used quota reached time or volume threshold value threshold value different from zero.

Only sampling periods exceeding the configured activity-threshold are counted configure subscriber-mgmt category-map category-map-name activity-threshold kilobits-per-second Value equals zero when credit type is volume. Value in seconds. The out-of-credit action for the corresponding rating group is set to change-service-level:.

An IPv4 HTTP redirect action with allow-override is specified as exhausted-credit-service-level for the corresponding rating group: configure subscriber-mgmt category-map category-map-name category category-name exhausted-credit-service-level ingress-ip-filter-entries entry entry-id action http-redirect url allow-override.

RADIUS user name AVP included if configured in the diameter application policy: configure subscriber-mgmt diameter-application-policy application-policy-name gy include-avp radius-user-name default: not included.

As configured in the corresponding diameter-peer-policy Example: bng. Example: nokia. Example: server. CCR-T only Indicates the reason that the credit control session was terminated. As configured in the corresponding diameter-peer-policy Example: nokia. Initial Request: 0 Update and Termination Request: sequence number. Identifies the subscriber host or session.

A rating group maps to a category configured in a category-map: configure subscriber-mgmt category-map category-map-name category category-name rating-group rating-group-id. GTP access only AVP included if configured in the diameter application policy: configure subscriber-mgmt diameter-application-policy application-policy-name gy include-avp user-equipment-info type imeisv value: IMEI as signaled in the GTP Create Session Request message.

AVP included if configured in the diameter application policy: configure subscriber-mgmt diameter-application-policy application-policy-name gy include-avp service-context-id string value: string of 32 characters maximum default: no service-context-id. Fixed value: 0x FF default: included. The local address used to setup the diameter peer. Fixed value: 0 primary default: included. Specifies the reason for which the Used-Service-Units are reported.

Values 0 Threshold — used quota reached time or volume threshold value threshold value different from zero 1 Quota Holding Time — expiration of the Quota Holding Time 2 Final — Diameter session termination; can be client or server initiated. Allows the transmission of additional Packet Switched service-specific information elements. Used as destination host in the next Diameter message. Specifies if a secondary peer should be attempted in case of Credit Control Failure Handling.

CCA-I only Assigns the category-map or overrides the category-map obtained in authentication. Value in octets. The URL specified in the Redirect-Server-Address AVP is only used when all following conditions are met: The Final-Unit-Indication AVP is present in the Multiple-Services-Credit-Control AVP The Final-Unit-Action is set to REDIRECT 1 The Redirect-Address-Type is set to URL 2 The out-of-credit action for the corresponding rating group is set to change-service-level: configure subscriber-mgmt credit-control-policy policy-name out-of-credit-action change-service-level or configure subscriber-mgmt category-map category-map-name category category-name out-of-credit-action-override change-service-level An IPv4 HTTP redirect action with allow-override is specified as exhausted-credit-service-level for the corresponding rating group: configure subscriber-mgmt category-map category-map-name category category-name exhausted-credit-service-level ingress-ip-filter-entries entry entry-id action http-redirect url allow-override.

Used as destination realm in the next Diameter message.

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2. Diameter Gy Interface Specification

Diameter Credit-Control Application , is a networking protocol for Diameter application used to implement real-time credit-control for a variety of end user services. This is left to the service context that has to be specified separately, as is some of the semantics. For instance, a user may pay for both online time and download bytes but has only a single account balance. A session-based credit control process uses several interrogations which may include first, intermediate and last interrogation. During interrogation money is reserved from the user account. Session-based charging is typically used for scenarios where the charged units are continuously consumed, e.

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