Methods for Flexible Content Repository Functions in Hybrid Peer–to–Peer Overlays
The previous chapter introduced methods to implement flexible content repository functions tailored for structured peer–to–peer (P2P) overlay networks. Thereby, the presented methods assume a rather homogeneous peer model. As the used terminology peer implies, the peers are treated as equals, such that the whole system looks decentralised and symmetric from a functional point of view. The chapter showed how structured overlays basically establish a flat key-value based lookup method—supporting distributed hash tables (DHTs)—in which each peer is indistinguishable from one another, in the sense that all peers apply the same procedures for determining the routes for message requests. Thus, it aimed to fully decentralise content repository functions.
KeywordsIndexing Group Service Group Consensus Algorithm Service Execution Structure Overlay
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