A case for caching file objects inside internetworks
SIGCOMM '93 Conference proceedings on Communications architectures, protocols and applications
Placement algorithms for hierarchical cooperative caching
Proceedings of the tenth annual ACM-SIAM symposium on Discrete algorithms
Analysis of web caching architectures: hierarchical and distributed caching
IEEE/ACM Transactions on Networking (TON)
Coordinated En-Route Web Caching
IEEE Transactions on Computers
Proxy Cache Algorithms: Design, Implementation, and Performance
IEEE Transactions on Knowledge and Data Engineering
Optimal methods for coordinated enroute web caching for tree networks
ACM Transactions on Internet Technology (TOIT)
The LCD interconnection of LRU caches and its analysis
Performance Evaluation
A hierarchical internet object cache
ATEC '96 Proceedings of the 1996 annual conference on USENIX Annual Technical Conference
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Caching popular content in the Internet has been recognized as one of the effective solution to alleviate network congestion and accelerate user information access. Sharing and coordinating in cache data placement provide an opportunity to improve system performance. This paper studies cache placement strategies and their performance in hierarchical network environments. A theoretical model is introduced to analyze the access cost of placing a set of object copies in the cache hierarchy, under which the object placement problem is formulated as an optimization problem. The problem is proved to be divided into subproblems, and a dynamic programming algorithm is proposed to obtain the optimal solution. Performance of different caching strategies is evaluated using simulations. It is shown that the proposed algorithm outperforms other cache placement strategies in hierarchical caching systems.