DHPC Technical Report DHPC-060
Remote Data Access in Distributed Object-Oriented
Middleware
K.A.Hawick, H.A.James and J.A.Mathew
Archived: 31 December 1998
Published in J. of Parallel and Distributed Computing Practices
3, 3-19 (2002).
Abstract
Efficient, scalable remote access to data is a key aspect in wide area
metacomputing environments. One of the limitations of current
client-server computing models is their inability to create, retain
and trade tokens which represent data or services on remote computers
alongwith the metadata to adequately describe the data or services.
Most current client-server software systems require the user to submit
all the data inputs that are needed for a remote operation, and after
the operation is complete, all the resultant output data is returned to the
originating client. Pipelining remote processes requires
data be retained at the remote site for achieving performance on high
latency wide area networks. We introduce the DISCWorld Remote Access
Mechanism (DRAM), an integral component of our DISCWorld metacomputing
environment, which provides the user and system with a scalable
abstraction over remote data and the operations that are possible on
the data. We present a formal notation for DRAM's and discuss the
implementation and performance of DRAM's when compared with
traditional client-server systems.
PDF version
PostScript version (gzip compressed)
[
DHPC Adelaide |
DHPC Bangor |
Contacts |
People |
Projects |
Reports
]
webmaster@dhpc.adelaide.edu.au