A replication protocol with composite topology for high adaptability

  • Authors:
  • Sung Chune Choi;Hee Yong Youn;Jong Ku Park;Joong Sup Choi

  • Affiliations:
  • School of Information and Communications Engineering, Sungkyunkwan University, Suwon, Korea;School of Information and Communications Engineering, Sungkyunkwan University, Suwon, Korea;School of Information and Communications Engineering, Sungkyunkwan University, Suwon, Korea;Information Security Technology Division, Korea Information Security Agency, Seoul, Korea

  • Venue:
  • ICCSA'03 Proceedings of the 2003 international conference on Computational science and its applications: PartI
  • Year:
  • 2003

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Abstract

Replication of data and service at several independently operating nodes can increase availability and serviceability. Tree quorum protocol is one of the replication protocols allowing low read cost only in the best case, while Grid protocol allows high read availability but same high cost for all cases. One drawback of the protocols is the structural inflexibility in adapting to the operation condition for displaying the best performance. In this paper, thus, we propose a new replication protocol called dynamic hybrid protocol which capitalizes the merits of tree and grid protocol and allows dynamic configuration using three parameters. We conduct cost and availability analysis of the protocols, and the proposed protocol allows much higher read availability with smaller cost.