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A Simple Fault Tolerant Distributed Hash Table

机译:一个简单的容错分布式哈希表

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摘要

We introduce a distributed hash table (DHT) with logarithmic degree and logarithmic dilation. We show two lookup algorithms. The first has a message complexity of log n and is robust under random deletion of nodes. The second has parallel time of log n and message complexity of log~2 n. It is robust under spam induced by a random subset of the nodes. We then show a construction which is fault tolerant against random deletions and has an optimal degree-dilation tradeoff. The construction has improved parameters when compared to other DHT's. Its main merits are its simplicity, its flexibility and the fresh ideas introduced in its design. It is very easy to modify and to add more sophisticated protocols, such as dynamic caching and erasure correcting codes.
机译:我们介绍具有对数度和对数扩张的分布式哈希表(DHT)。我们展示了两种查找算法。前者的消息复杂度为log n,并且在节点的随机删除下具有鲁棒性。第二个具有log n的并行时间和log〜2 n的消息复杂度。在节点的随机子集引起的垃圾邮件下,它很健壮。然后,我们显示了一种对随机删除具有容错性的结构,并且具有最佳的度数折衷。与其他DHT相比,该结构具有改进的参数。它的主要优点是简单,灵活性和设计中引入的新鲜创意。修改和添加更复杂的协议非常容易,例如动态缓存和擦除校正代码。

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