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PARAMETERS OF CACHE SYSTEMS BASED ON ZIPF-LIKE DISTRIBUTION

PARAMETERS OF CACHE SYSTEMS BASED ON ZIPF-LIKE DISTRIBUTION. Dmitry G. Dolgikh, Andrei M.Sukhov. Samara State Aerospace University. sukhov@ssau.ru. - definition of cache size from boundary condition - dynamical model - Poisson distribution and system’s efficiency

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PARAMETERS OF CACHE SYSTEMS BASED ON ZIPF-LIKE DISTRIBUTION

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  1. PARAMETERS OF CACHE SYSTEMS BASED ON ZIPF-LIKE DISTRIBUTION Dmitry G. Dolgikh, Andrei M.Sukhov Samara State Aerospace University sukhov@ssau.ru

  2. - definition of cache size from boundary condition - dynamical model - Poisson distribution and system’s efficiency - Zipf-like distribution - the best cache parameters settings - maximum possible hit rate for ICP systems L. Breslau, P. Cao, L. Fan, G. Phillips, S. Shenker; Web Caching and Zipf-like Distribution: Evidence and Implications, in: IEEE Infocom, vol. XX, no. V, 1999, pp. 1-9

  3. Global network νint cache users of the local network

  4. The calibration condition request effect 100% 10% A number of the documents in cache system 1 10 100 1000 p

  5. The boundary condition requests to cache kA 2m (2,m) number of the documents in cache system 2 1 1 10 p m m+1

  6. The dynamical model T system installation 0  t t

  7. Zipf-like distribution

  8. Recommendation for ICP systems second

  9. Discussion • testing model • - best parameters setting • - maximum hit rate • - frequency of asking n'th document • extra experimental data is needed • - (M) • - (M) • multi-level caching systems • - cooperative caching schemes • - cache interaction

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