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Quantitative Finance · Glossaire

Qu'est-ce que « Round-trip triangulation » ?

Definition 17.2 Networks, Hardware and Trading Infrastructure · Chapitre 17 — Where the Crypto Venues Live

Round-trip triangulation estimates where a server is from round trips measured to it from probes at known places: each round trip bounds the distance (light cannot cover more than half of it in glass) and, divided by a route factor, estimates it; the estimate is the point whose distances best agree with those estimates.

Simulation: round-trip triangulation from four probes in other cities to a server in Tokyo, with the right route factor; the estimate (cross) falls 23\, k m from the hidden server (square). A local projection for drawing only. Data: fig_find.py, nw_find.triangulate_example().
Figure 17.1. Simulation: round-trip triangulation from four probes in other cities to a server in Tokyo, with the right route factor; the estimate (cross) falls 23 km23\,\mathrm{k}\mathrm{m} from the hidden server (square). A local projection for drawing only. Data: fig_find.py, nw_find.triangulate_example().
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