[dpdk-dev] L3FWD LPM IP lookup performance question

Vladimir Medvedkin medvedkinv at gmail.com
Tue Oct 1 10:57:12 CEST 2013


Hi,

Base concepts of algorithm used by LPM (DIR-24-8) described here
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.21.9617&rep=rep1&type=pdf

Best regards,
   Vladimir


On 24/09/2013 15:53, Jun Han wrote:
>* Hello,*>**>* We are trying to benchmark L3FWD application and have a question regarding*>* the IP lookup algorithm as we expect the bottleneck to be at the lookup.*>* Could someone let us know how efficient the lookup algorithm that L3FWD is*>* using (e.g, LPM)? We are asking because we want to obtain highest L3*>* forwarding performance number, and we might need to change the lookup*>* method if the current LPM method is not as efficient.*>**>* Thank you very much,*>**>* Jun*>


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