DHPC Technical Report DHPC-042
DISCWorld: An Environment for Service-Based Metacomputing
K.A.Hawick, H.A.James, A.J.Silis, D.A.Grove, K.E.Kerry, J.A.Mathew,
P.D.Coddington, C.J.Patten, J.F.Hercus and F.A.Vaughan
Archived: 1 April 1998
Published in Future Generation Computer Systems 15, 623
(1999).
Abstract
We describe our DISCWorld system for wide-area, high-performance
metacomputing in which we adopt a high-level, service-based approach.
Users' client programs request combinations of services from a set of
server nodes which communicate at a peer-based level. DISCWorld is a
constrained metacomputing system, running only the service operations
its participating resource administrators have chosen to provide and
advertise, and provides a common integration environment for clients
to access these services and developers to make them available. We
discuss our software architecture and experiences building DISCWorld
using Java and CORBA components, and the associated research issues
for metacomputing that we are addressing.
Keywords metacomputing; high-performance computing; wide-area
networks; applications services.
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