%A TIAN Ming, WU Jiang-xing and LAN Ju-long %T Adaptive Cache Algorithm Based on Local Content Activity in Information-centric Networks %0 Journal Article %D 2016 %J Computer Science %R 10.11896/j.issn.1002-137X.2016.11.032 %P 164-171 %V 43 %N 11 %U {https://www.jsjkx.com/CN/abstract/article_15626.shtml} %8 2018-12-01 %X After modeling analysis,we found that replacement policy based on global content popularity does not suit for the distributed model of information centric networks.This paper presented a cache replacement policy based on local content activity called LAU.And an adaptive path caching algorithm named ACAP was proposed,so that the contents were cached successively in access path on the basis of local activity.The simulation results show that LAU strategy improves the cache hit rate of the single-node.Compared to the existing path caching algorithms,ACAP has low hit rate of server response and low hop ratio.At last,the applicable cache and topology structure of this algorithm were discussed and analyzed.