Chapter 4. Structured Overlays - Geometry and Routing
A second category of overlays, called structured overlays, emerged to address limitations of unstructured overlays by combining a specific geometrical structure with appropriate routing and maintenance mechanisms. Here we focus on geometry and routing; the next chapter is devoted to overlay maintenance. A large number of multihop designs have been studied, which we organize into prefix routing, ring with logarithmic degree mesh, and constant degree, such as butterfly, cubed-connected cycles, and de Bruijin graphs. In addition, O(1)-hop approaches offer lower hop counts but increased maintenance. The chapter concludes with discussion of criteria for comparing various designs.
Structured Overlays ...
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