| S. Iyer, A. Rowstron, and P. Druschel. Squirrel: A decentralized, peer-to-peer web cache. In PODC, Monterey, CA, Jul 2002. |
.... to the result of applying a collision resistant hash function to that content s name (i.e. consistent hashing [15] Distributed hash tables have been used, for instance, in constructing the PAST [24] and CFS [7] distributed filesystems, the Overlook [29] scalable name service, the Squirrel [14] cooperative web cache, and scalable application level multicast [5, 25, 22] For most of these systems, if not all of them, the overlay network on which they were designed can easily be substituted with SkipNet. SkipNet has a fundamental philosophical difference from existing overlay networks, ....
S. Iyer, A. Rowstron, and P. Druschel. Squirrel: A decentralized, peer-to-peer web cache. In Proceedings of the 21st Annual PODC, July 2002.
.... to the result of applying a collision resistant hash function to that content s name (i.e. consistent hashing [18] Distributed hash tables have been used, for instance, in constructing the PAST [31] and CFS [8] distributed filesystems, the Overlook [37] scalable name service, the Squirrel [16] cooperative web cache, and scalable application level multicast [5, 32, 29] For most of these systems, if not all of them, the overlay network on which they were designed can easily be substituted with SkipNet. SkipNet has a fundamental philosophical difference from existing overlay networks, ....
S. Iyer, A. Rowstron, and P. Druschel. Squirrel: A decentralized, peer-to-peer web cache. In Proceedings of the 21st Annual ACM Symposium on Principles of Distributed Computing (PODC). ACM, July 2002.
....for web traffic. Stading et al. 10] uses a DHT to cache replicas, and PROOFS [11] uses a randomized overlay to distribute popular content. However, both systems focus on mitigating flash crowds, not on normal web caching. Therefore, they accept higher lookup costs to prevent hot spots. Squirrel [4] proposed web caching on a traditional DHT, although only for LANs. It examines storing pointers in the DHT, yet reports poor load balancing. We attribute this result to the limited number of pointers stored (only 4) which perhaps is due to the lack of any sloppiness in the system s DHT ....
Sitaram Iyer, Antony Rowstron, and Peter Druschel. Squirrel: A decentralized, peer-to-peer web cache. In Principles of Distributed Computing (PODC), Monterey, CA, July 2002.
.... on a wide variety of peer to peer applications like persistent data storage (CFS [6] Farsite [3] Oceanstore [11] PAST [19] event notification and application level multicast (Bayeux [23] Scribe [20] and CAN based Multicast [17] DNS [5] resource discovery [2] and cooperative web caching [9]. Several of these applications have no centralized components and use a scalable distributed hash table (DHT) 8, 13, 16, 18, 22] as a substrate. A DHT is a self organizing overlay network of hosts that provides a service to add, delete and look up hash keys. Consider a network of n hosts over a ....
S. Iyer, A. I. T. Rowstron, and P. Druschel. Squirrel: A decentralized, peer-to-peer web cache. In Proc. 21st ACM Symposium on Principles of Distributed Computing (PODC 2002.
....the discrete model. Hence, classical tools such as MarkovJan analysis and simulation appear to be untractable for the dynamic system. The model that we discuss in this paper is also appropriate for P2P cooperative caches, for which objects are cached cooperatively in a community of up down peers [11]. In Section 2 we provide an overview of hash based cache clusters.We describe in Section 3 a refer ence detailed model, then we introduce a general stochastic fluid model which can model a wide variety of content distribution systems. A specialized version of the model is appropriate for ....
....from j t i to j, none of the currently correctly placed objects become misplaced. The model that we describe in the subsequent section is also appropriate for when a community of users (for example, employees in a large corporate campus) pool their peer computers to create a cooperative cache [11]. The resulting large storage capacity is highly desirable for caching large audio and video files. In such a P2P cache, the individual nodes go down when peers disconnect. 3 A Model for Cache Clusters 3.1 Dynamic Microscopic Model Let O = o, 02, o) be the collection of all objects. We ....
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Iyer, S., Rowstron, A., and Druschel, P. Squirrel: A decentralized, peer-to-peer web cache. In PODC (Monterey, California, 2002), pp. 213222.
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