The Effect of Thickness-Based Dynamic Matching Mechanism on a Hyperledger Fabric-Based TimeBank System

Jhan-Jia Lin, Yu-Tse Lee and Ja-Ling Wu
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Jhan-Jia Lin: Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
Yu-Tse Lee: Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
Ja-Ling Wu: Department of Computer Science and Information Engineering, National Taiwan University, Taipei 10617, Taiwan

Future Internet, 2021, vol. 13, issue 3, 1-21

Abstract: In a community with an aging population, helping each other is a must society function. Lacking mutual trust makes the need for a fair and transparent service exchange platform on top of the public service administration’s list. We present an efficient blockchain-based TimeBank realization with a newly proposed dynamic service matching algorithm (DSMA) in this work. The Hyperledger Fabric (or Fabric in short), one of the well-known Consortium Blockchains, is chosen as our system realization platform. It provides the identity certification mechanism and has an extendable network structure. The performance of a DSMA is measured by the waiting time for a service to get a match, called the service-matching waiting time (SMWT). In our DSMA, the decision as to whether a service is to get a match or wait for a later chance depends dynamically on the total number of contemporarily available services (i.e., the thickness of the service market). To better the proposed TimeBank system’s service quality, a Dynamic Tuning Strategy (DTS) is designed to thicken the market size. Experimental results show that a thicker market makes on-chain nodes have more links, and in turn, they find a match easier (i.e., consume a shorter SMWT).

Keywords: TimeBank; Consortium Blockchain; Hyperledger Fabric; dynamic matching (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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