Cashflow: A Channel-Oriented, Credit-Based Virtual Currency System for Establishing Fairness in Ad-Hoc Networks with Selfish Nodes
ADHOCNETS(2010)
Abstract
Cooperation in ad hoc networks cannot be taken for granted when nodes belong to distinct authoritative domains. In this paper
we present Cashflow, a virtual currency system to motivate nodes to participate in ad hoc networks and to prevent selfishness.
This system is different to previously proposed virtual currency systems in that it uses a channel concept for data transmission
as well as a market system for pricing. The combination of channel and market concept results in a number of positive system
characteristics. For instance, Cashflow provides implicit access regulation and load balancing mechanisms to avoid overload
situations in the network. Additionally it considers node context for data transmission and pricing. Cashflow also leaves
the decision about the participation degree to the user, which is an important but frequently neglected topic for the user
acceptance of virtual currency systems.
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Key words
selfish nodes,micropayment,ad hoc network,load balancing,fairness.,credit system,virtual currency system,load balance,data transmission
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