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    QoS for Service Manager Considerations

    When you specify QoS configurations in Service Manager, the following considerations apply.

    RADIUS or Service Manager

    We recommend that you choose either RADIUS or Service Manager to create a single parameter instance. If you use both RADIUS and Service Manager, parameter instances activated using Service Manager take precedence.

    Interoperability with Other Service Components

    Service Manager removes QoS profiles and parameter instances if other components in the service definition (for example, policies) cause an error.

    QoS Statistics

    Service Manager counts references of parameter instances in profiles. The reference count is incremented each time the parameter is configured through the CLI, RADIUS, or Service Manager. The reference count is decremented each time the parameter is unconfigured, such as through service deactivation. Modifications to parameter instances are also reference counted, using a separate reference count. Parameter instances are removed when both reference counts reach zero.

    Service Manager also counts references of modified parameters in profiles using the add keyword. The reference count is incremented each time the parameter is modified though service activation with the add keyword. The reference count is decremented each time the parameter is modified through service deactivation. References of regular parameter instances are also counted, using a separate reference count. Parameter instances are removed when both reference counts reach zero.

    Ranges

    You can verify ranges for parameter instances by specifying a range in the parameter definition using the range command.

    When activating the service or modifying parameters, Service Manager verifies the value of the parameter instance to be within the specified range and generates an informational log message indicating the value is outside the range. Service Manager does not verify ranges when you specify the parameter instances within profiles at the time of configuration.

    Published: 2014-08-20