Incentive Mechanisms in P2P Networks: Micropayment Systems
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Resumen
Resumen: En la actualidad se ha extendido ampliamente el uso de redes P2P, particularmenteen soluciones para compartir contenidos; sin embargo, sus ventajas de rendimiento yescalabilidad se han visto comprometidas debido al comportamiento egoísta de sus miembros.Por esta razón, varios autores han propuesto mecanismos de incentivo económico pararecompensar a aquellos miembros que comparten recursos o contenido a la red. Varios sistemasde micropago han sido propuestos con esta finalidad, y en general buscan tomar ventaja de lascaracterísticas de las redes P2P para maximizar su eficiencia.En este artículo, se presenta una revisión de varios de los sistemas de micropago propuestoshasta la actualidad y se los analiza en base a cuatro criterios clave: escalabilidad, transferibilidad,seguridad y anonimato. Esto, como parte inicial de un estudio del impacto de estos mecanismosen este tipo de redes.
Abstract: Today the use of peer-to-peer networks has been widespread; particularly in content sharing solutions, however its performance and scalability advantages are compromised due to the selfish behavior of its members. This is why authors have proposed financial incentive mechanisms to reward peers who share resources or content to the network. Several micropayment systems have been proposed for this purpose, and in general they look to take advantage of the P2P networks to maximize their efficiency.
In this paper, we present a review of several micropayment systems proposed to date and we analyze them based on four key criteria: scalability, transferability, security and anonymity. This, as initial part of a study of the impact of these mechanisms in this kind of networks.
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