Method for providing sticky load balancing
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United States of America Patent
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Jun 5, 2018
Issued Date -
Jul 30, 2015
app pub date -
Jan 24, 2014
filing date -
Jan 24, 2014
priority date (Note) -
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Abstract
Presented herein are techniques to reduce the number of redirected subscriber packet flows while performing sticky hierarchical load balancing. An Nth head end network element may be activated such that a plurality of N head end network elements are active and capable of receiving and processing one or more packet flows. A primary load balancer may then be directed to overwrite a portion of pointers of a hash table in an evenly distributed manner with pointers to the Nth head end network element such that packet flows are forwarded to the Nth head end network element, wherein the hash table retains a static number of entries as the number of head end network elements is modified.
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