H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 29/02 (2006.01) H04L 12/56 (2006.01) H04Q 7/22 (2006.01)
Patent
CA 2309402
A distributed flow control system and method for GPRS networks to control and regulate data flow between multiple sources and a single destination within a GPRS network. The present system and method ensures the departing traffic from all of the sources conforms to the peak and average rate requirements that have been set forth by the BSS/PCU. A leaky bucket flow control mechanism is used at each respective one of the multiple sources for controlling flow of data from each respective source to the single destination. A maximum bucket size of a leaky bucket and a bucket leak rate are defined for each leaky bucket flow control mechanism. A multiplier (L) is estimated and determined for each respective source based on recent data arrival behaviors of the multiple sources. When a frame of the data is sent from the respective source to the single destination, a number of bytes equal to the size of the transmitted frame times the multiplier L is added to the leaky bucket. An additional frame of data is allowed to be sent from the respective source to the single destination if transmission of the data frame will not result in overflow of the leaky bucket. An additional frame of data is prohibited from being sent from the respective source to the single destination when transmission of the data frame will result in the overflow of the leaky bucket.
Hanson Mark E.
Ho Joseph S.
Zhu Yixin
Nortel Networks Corporation
Nortel Networks Limited
Smart & Biggar
LandOfFree
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