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5 Rate Limiting (Overload Control)

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Carrier-grade overload control

Rhino's carrier-grade overload control manages the rate of work Rhino accepts, processes, and generates for other systems. A Rhino administrator can:

  • design the entire end-to-end system query, transaction, and session/message rates
  • configure fine-grained processing rates, so Rhino can participate in the entire end-to-end system without overloading other network equipment.
Rate limiting can be useful in high-load situations, to ensure that once an activity starts it can run to completion without overloading the SLEE or related systems.

Granular control using "rate limiters"

Rhino administrators use rate limiters to set specific "flow rates" for different types of messages. These limit the number of messages per second that the SLEE will process or generate, and throttle-back the flow for certain messages in favor of others. Rhino also lets administrators monitor and refine rate-limiter parameters, to achieve desired throughput.

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