Data grids provide scalable infrastructure for storage resource and data files management, which support dataintensive applications that need to access to huge amount of data stored at distributed locations around the world. The size of these data can reach the scale of terabytes or even petabytes in many applications. These applications require reaching several main goals, namely efficient acc...

In the original publication of article, figure legends Figs. 2 and 4 were published with an error, due to two missed corrections. The corrections had been provided by authors during proofing process, but typesetters.