TCP-ABC: from multiple TCP connections to atomic broadcasting

Authors:
Zhiyuan Shao;Hai Jin;Wenbin Jiang;Bin Cheng
Affiliations:
Cluster and Grid Computing Lab, Huazhong University of Science and Technology, Wuhan, China;Cluster and Grid Computing Lab, Huazhong University of Science and Technology, Wuhan, China;Cluster and Grid Computing Lab, Huazhong University of Science and Technology, Wuhan, China;Cluster and Grid Computing Lab, Huazhong University of Science and Technology, Wuhan, China
Venue:
NPC'05 Proceedings of the 2005 IFIP international conference on Network and Parallel Computing
Year:
2005

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Abstract

In this paper, we propose a novel scheme, named as TCP-ABC, which replicates the server side TCP connections among multiple server nodes of a cluster. By guaranteeing atomic request delivery, and consensus on responses, this scheme provides the legacy server applications running on the server nodes with multiple active backups in a transparent fashion. By failing the connections over healthy units, the scheme enhances the service and data availability of the cluster. By conducting experiments on the prototype system of a cluster up to four nodes, we find TCP-ABC results in small performance lost while greatly enhances the service and data availability.