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Requirements The subscriber MUST be able to limit using a throttle mechanism the maximum rate at which the notifier is allowed to generate notifications in a subscription. The subscriber MUST be able to indicate that it requires the use of a throttle mechanism in the subscription. The notifier MUST be able to indicate that it does not support the use of a throttle mechanism in the subscription. It MUST be possible to use the throttle mechanism in subscriptions to all events. It MUST be possible to use the throttle mechanism together with any event filtering mechanism. The notifier MUST be allowed to use a maximum rate lower than the one given by the subscriber. For example, local policy could dictate an even lower rate of notification than what the subscriber requires. Authentication and integrity protection SHOULD be applied to subscriptions that apply the throttle mechanism. |