A Dependable Global Location Service using Rendezvous on Hierarchic Distributed Hash Tables
A Dependable Global Location Service using Rendezvous on Hierarchic Distributed Hash Tables
复制标题
使用分层分布式哈希表上的 Rendezvous 的可靠全球定位服务
DOI:
10.1109/icniconsmcl.2006.11
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发表时间:
2006
期刊:
影响因子:
--
通讯作者:
A. Harwood
中科院分区:
文献类型:
--
作者:
J. Risson;S. Qazi;T. Moors;A. Harwood
A location service is the part of a naming architecture that maps identifiers to network addresses. Ideally, the identifiers are globally unique, persistent and semantic-free. It has been acknowledged that Distributed Hash Tables (DHTs) enable, for the first time, the use of semantic-free identifiers in massive, global networks. We argue that hierarchy is essential for dependability in massive, geographically distributed DHTs. Existing hierarchic DHTs embed location information in identifiers. Consequently, if identifiers move between DHTs in the hierarchy, then the changes always propagate to the root DHT. This Location Information Plane (LIP) design is the first hierarchic DHT that contains "moves and changes" within the lower layers of the hierarchy. It protects the root DHT using the rendezvous abstraction. We show how it supports global internet telephony networks based on the Session Initiation Protocol (SIP).