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HIGH-PERFORMANCE COMPUTING WEB SEARCH SYSTEM BASED ON COMPUTER BIG DATA

SCALABLE COMPUTING-PRACTICE AND EXPERIENCE 2024年第3期25卷 1932-1939页

作者： Kang, Yingxi Tang, Beiping Hu, Xiaodong Hunan Inst Engn Xiangtan 411104 Hunan Peoples R China

File sharing, streaming media, collaborative computing, and other P2P systems are all unicast to establish the corresponding overlapping network. The superimposed network is generally carried out based on the existing primary network. In this way, the access of each node is random. At the same time, this will cause the topological structure of the upper and lower layers to be inconsistent. This will increase the communication delay between nodes and cause an excellent bandwidth burden to the underlying network. The existing topology matching methods still face problems, such as poor scalability and long node aggregation time. This paper aims to design a topological distributed node aggregation method based on network coordination and distributed hash table (DHT) algorithm. This paper established a two-dimensional mesh model of nodes based on equal-distance concentric circles and divided into two equal areas. The parts of multiple namespaces correspond one by one according to their location. Because nodes are kept close, neighbours can be aggregated through DHT's primary "publish" and "search" primitives. Experimental results show that the TANRA method can match the network's topology under a slight delay and a large number of nodes. The TANRA method can effectively reduce the path delay in structured networks.

关键词： Topological induction node proximity topology aware node aggregation algorithm node cluster Distributed hash table Overlay Network

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