A Generic Scheme for Building Overlay Networks in Adversarial Scenarios

Ittai Abraham ittaia@cs.huji.ac.il

Baruch Awerbuch baruch@acm.org

Yossi Azar azar@post.tau.ac.il

Yair Bartal yair@cs.huji.ac.il

Dahlia Malkhi dalia@cs.huji.ac.il

Elan Pavlov elan@cs.huji.ac.il

Abstract

This paper presents a generic scheme for a central, yet untackled issue in overlay dynamic networks: maintaining stability over long life and against malicious adversaries. The generic scheme maintains desirable properties of the underlying structure including low diameter, and efficient routing mechanism, as well as balanced node dispersal. These desired properties are maintained in a decentralized manner without resorting to global updates or periodic stabilization protocols even against an adaptive adversary that controls the arrival and departure of nodes.

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