Grid development has approached the phase of realization of projects aimed at deployment of the large-scale operating infrastructures. Realities of practical implementation has not only brought in a whole new set of tasks, but also demanded reevaluation of the methods that were previously developed and successfully tested in pilot experiments. In this respect, experience gained by commercial companies developing software tools for the distributed computing seems to be valuable. Analysis of various solutions that complement and to a certain extent offer an alternative to the acknowledged standards is the subject of this paper.
