TY - GEN
T1 - Dynamic replica selection using improved kernel density estimation
AU - Pang, Yin
AU - Li, Kan
AU - Sun, Xin
AU - Bu, Kaili
PY - 2010
Y1 - 2010
N2 - Replication service in Distributed Systems can reduce access latency and bandwidth consumption. When different nodes hold replicas accessed, there will be a significant benefit by selecting the best replica. Most of the existed replication strategies deal with the prediction of the response time. However, these strategies do not take fully into account the network dynamic and access locality. To solve this problem, a dynamic replica selection strategy using improved Kernel Density Estimation (KDE) is presented. Firstly, it distinguishes old replicas from new ones. Then, it predicts the network load and available bandwidth to choose the best replica. The improved KDE can select accurately the best accessed replica with only a little history data, which is very useful in a dynamic network. Simulation results demonstrate the efficiency and effectiveness of improved KDE in comparison with other approaches.
AB - Replication service in Distributed Systems can reduce access latency and bandwidth consumption. When different nodes hold replicas accessed, there will be a significant benefit by selecting the best replica. Most of the existed replication strategies deal with the prediction of the response time. However, these strategies do not take fully into account the network dynamic and access locality. To solve this problem, a dynamic replica selection strategy using improved Kernel Density Estimation (KDE) is presented. Firstly, it distinguishes old replicas from new ones. Then, it predicts the network load and available bandwidth to choose the best replica. The improved KDE can select accurately the best accessed replica with only a little history data, which is very useful in a dynamic network. Simulation results demonstrate the efficiency and effectiveness of improved KDE in comparison with other approaches.
KW - Geographic locality
KW - Improved KDE
KW - Replica selection
KW - Temporal locality
UR - http://www.scopus.com/inward/record.url?scp=77952714089&partnerID=8YFLogxK
U2 - 10.1109/IITSI.2010.49
DO - 10.1109/IITSI.2010.49
M3 - Conference contribution
AN - SCOPUS:77952714089
SN - 9780769540207
T3 - 3rd International Symposium on Intelligent Information Technology and Security Informatics, IITSI 2010
SP - 470
EP - 474
BT - 3rd International Symposium on Intelligent Information Technology and Security Informatics, IITSI 2010
T2 - 2010 International Symposium on Intelligent Information Technology and Security Informatics, IITSI 2010
Y2 - 2 April 2010 through 4 April 2010
ER -