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Efficient normal peers group recovery in hierarchical peer-to-peer

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3 Author(s)
Wahjuni, S. ; Dept. of Electr. Eng., Univ. of Indonesia, Depok, Indonesia ; Ratna, A.A.P. ; Ramli, K.

While structured peer-to-peer (P2P) offers benefits on its scalability and efficiency in performing a successful query lookup, its stability is suffered from the dynamics of the overlay structure caused by churn. In a structured hierarchical P2P, in addition to potential decreases of the system performance, the superpeer failure cases also forced the normal peers under its responsibility to disconnect from the system. The ultimate goal of our work is to develop a collective rejoin algorithm that provides an efficient mechanism for the normal peers to rejoin to the system once a superpeer failure occurs. We implemented two-layer hierachy architecture, in which nodes with higher capability are placed in the upper layer and organized in a Chord ring. These nodes act as a gateway for the lower layer in which other nodes are grouped. Each group is organized in a star structure, and each member of the group is connected directly to the related gateway node. We expect our proposed architecture and algorithm produces less traffic load than the individual rejoin approach. Thus, the performance degradation caused by the normal peers rejoin process, as an impact of churn, can be minimized.

Published in:

Communication, Networks and Satellite (ComNetSat), 2012 IEEE International Conference on

Date of Conference:

12-14 July 2012