Peak information rate
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Peak information rate (PIR) is a burstable rate set on routers and/or switches that allows throughput overhead. Related to committed information rate (CIR) which is a committed rate speed guaranteed/capped. For example, a CIR of 10 Mbit/s PIR of 12 Mbit/s allows you access to 10 Mbit/s minimum speed with burst/spike control that allows a throttle of an additional 2 Mbit/s; this allows for data transmission to "settle" into a flow.
Excess information rate (EIR) is the magnitude of the burst above the CIR (PIR = EIR + CIR).
- "AT&T - ISP Solutions". att.com. Retrieved 2014-01-05.
- "Technical Documentation: peak-information-rate". juniper.net. Retrieved 2014-01-05.
- "What is the Maximum Information Rate (MIR) on the ePMP product?". cambiumnetworks.com. 2013-10-08. Retrieved 2014-01-05.
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