Grid infrastructure based on multiple workflow engines

Abstract

This paper presents WenGrid, a novel scientific Grid infrastructure composed of workflow engines (WSEngines) that provide enactment environments for applications composed from Web services and described in the SWFL workflow language and its extension, MPFL. MPFL extends SWFL to support more sophisticated parallel applications. An overview of the Grid infrastructure is presented and each of its five main components is discussed, including ISR, a service registry to supplement UDDI for distinguishing between equivalent services.