- From: Zheng Wang <Z.Wang@cs.ucl.ac.uk>
- Date: Wed, 07 Feb 1996 11:51:38 +0000
- To: Luigi Rizzo <luigi@labinfo.iet.unipi.it>
- Cc: http-caching@pa.dec.com
>There is a theorem in statistics which says that the the combination of >large numbers of random variables yields to a gaussian distribution, >independently of the distribution of each single variable. Similarly, >when we have a national or continental cache, I expect the number of users >to be so large to make differences disappear and make the aggregate >result almost the same everywhere. A number of studies suggested a cache hit rate of 30-50% and the results seem to be very consistent. See the paper by Marc Abrams et al "Caching Proxies: Limitations and Potentials" in proceedings of WWW4 for references. Cheers Zheng
Received on Wednesday, 7 February 1996 12:06:34 UTC