Information Technology Reference
In-Depth Information
Chapter 2
Introduction to the WS-PGRADE/gUSE
Science Gateway Framework
Tibor Gottdank
Abstract WS-PGRADE/gUSE is a gateway framework that offers a set of high-
level grid and cloud services by which interoperation between grids, clouds, and
scienti
c user communities can be achieved. gUSE is also a work
ow system that
enables scienti
c communities to compose and execute a series of computational or
data manipulation steps in a scienti
c application on Distributed Computing
Infrastructures (DCIs). The current chapter summarizes the most important features
of WS-PGRADE/gUSE.
2.1 Introduction
The Grid and Cloud User Support Environment (gUSE), also known as WS-
PGRADE (Web Service
Parallel Grid Run-time and Application Development
Environment) 1 /gUSE, is a renowned European science gateway (SG) framework 2
that provides users with convenient and easy access to grid and cloud infrastruc-
tures as well as to data storage.
WS-PGRADE/gUSE provides a speci
c set of enabling technologies (Lovas
2013) as well as front-end and back-end services that together build a generic SG.
An enabling technology provides the required software stack to develop SG
frameworks and SG instances (that is, to provide a simple user interface that is
tailored to the needs of a given scienti
c community). Typical examples of such
enabling technologies are: web application containers (Tomcat, Glass
sh, etc.),
portal or web application frameworks (Liferay, Spring, etc.), database management
1 WS-PGRADE is the graphical user interface of gUSE. See a detailed description of WS-
PGRADE in Sect. 2.5 .
2 gUSE is the Most Visited SG Framework and Most Visited Work ow System by the EGI
Applications Database ( https://appdb.egi.eu/ ) .
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