A fault tolerant, dynamic and low latency BDII architecture for grids
Osman, A. print, Anjum, A. print and McClatchey, R. print (2010) A fault tolerant, dynamic and low latency BDII architecture for grids. International Journal of Grid and Distributed Computing (IJGDC), 3 (4). pp. 1-18. ISSN 2005-4262
Publisher's URL: http://www.sersc.org/journals/IJGDC/vol3_no4/1.pdf
The current BDII model relies on information gathering from agents that run on each core node of a Grid. This information is then published into a Grid wide information resource known as Top BDII. The Top level BDIIs are updated typically in cycles of a few minutes each. A new BDDI architecture is proposed and described in this paper based on the hypothesis that only a few attribute values change in each BDDI information cycle and consequently it may not be necessary to update each parameter in a cycle. It has been demonstrated that significant performance gains can be achieved by exchanging only the information about records that changed during a cycle. Our investigations have led us to implement a low latency and fault tolerant BDII system that involves only minimal data transfer and facilitates secure transactions in a Grid environment.
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