Using Gateway system to provide a desktop access to high performance computational resources

In this paper, we discuss the use of Gateway for seamless desktop access to high performance resources. We illustrate our ideas with two Gateway applications that require access to remote resources: the Landscape Management System (LMS) and Quantum Simulations (QS). For LMS we use Gateway to retrieve data from many different sources as well as to allocate remote computational resources needed to solve the problem at hand. Gateway transparently controls the necessary data transfer between hosts for the user. Quantum Simulations requires access to HPCC resources and therefore we layered Gateway on top of the Globus metacomputing toolkit. This way Gateway plays the role of a job broker for Globus