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Implementing a Caching Service for Distributed CORBA Objects
[chapter]
2000
Lecture Notes in Computer Science
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This paper discusses the implementation of CASCADE, a distributed caching service for CORBA objects. ...
Our caching service is fully CORBA compliant, and supports caching of active objects, which include both data and code. ...
We developed Caching Service for CORBA Distributed objEcts (CASCADE) which offers a scalable and flexible framework for general CORBA objects. ...
doi:10.1007/3-540-45559-0_1
fatcat:xrmidq5a7nh4nmxtc45dulg5oe
Design of Object Caching in a CORBA OTM System
[chapter]
1999
Lecture Notes in Computer Science
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We further describe our object caching solution as a transferable, reusable architectural abstraction, and demonstrate the application of software architectural concepts for design modeling of CORBA systems ...
We develop an object caching strategy that employs OTM concepts such as distributed transactions and asynchronous event multicast, and show how this strategy improves an existing distributed CORBA system ...
Janis Bubenko, University of Stockholm, for co-supervising the thesis underlying this paper. ...
doi:10.1007/3-540-48738-7_18
fatcat:4jq5buhxevcfpbekjz5ypudhwq
A Middleware Architecture for Scalable, QoS-Aware, and Self-Organizing Global Services
[chapter]
2000
Lecture Notes in Computer Science
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A globally distributed service can be completely encapsulated into a single distributed object which contains not only all necessary components for scalability (e.g., caches and replicas) but also the ...
Globally distributed services need more than location transparency. An implementation of such a service has to scale to millions of users from all over the world. ...
In a CORBA environment, our service will consist of multiple CORBA objects implementing replicas, caches and partial services. ...
doi:10.1007/10722515_18
fatcat:4xvtudlgpnap7cdx72vo7xd5d4
A server side caching scheme for CORBA
2004
24th International Conference on Distributed Computing Systems, 2004. Proceedings.
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Our model provides strong consistency by using a dependency graph that specifies dependence information among method invocations of an object. We have implemented this scheme as a service in CORBA. ...
We propose a caching scheme for saving the results of invocations of read methods at server side. ...
CASCADE [15] is a distributed caching service for CORBA objects. CASCADE supports caching of active objects (both data and code). ...
doi:10.1109/icdcs.2004.1281568
dblp:conf/icdcs/KumarJG04
fatcat:ef5q5nfrzrfbdm5r75basbq25m
Experiences Using DCE and CORBA to Build Tools for Creating Highly-Available Distributed Systems
[chapter]
1995
Open Distributed Processing
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Our tools are implemented within the context of the DCE and CORBA standards for distributed computing. ...
Application developers implement their objects following the CORBA standard and link them with our toolset to provide the required high t ...
The system uses a local implementation of the CORBA standard, called Touring Distributed Objects (TDO) [Diener94] . ...
doi:10.1007/978-0-387-34882-7_38
fatcat:74bkim2nfnd6llcfmtgpncnvh4
Aspect IX A Middleware for Aspect-Oriented Programming
[chapter]
1998
Lecture Notes in Computer Science
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Object-based middleware systems, like CORBA, provide the basis for object-based distributed applications. ...
communication mechanisms used for a distributed object or the consistency policies between replicated data parts of the distributed objects). ...
Thus, a client can give the maximum time for the object invocation in case of the real-time aspect, or a client can provide the sort of consistency for the local data cache of a caching fragment. ...
doi:10.1007/3-540-49255-0_128
fatcat:szgzbwafpbdblnffuqdq6czltm
Architecture and Implementation of Distributed Data Storage Using Web Services, CORBA and PVM
[chapter]
2004
Lecture Notes in Computer Science
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This results in a very flexible architecture which integrates distributed clusters for data storage of small and large files. The architecture proposes caching at both Web service and cluster layers. ...
We propose an architecture and its implementation called PVMWeb-Cluster I/O targeted for distributed data storage and retrieval. ...
Summary and Future Work We have proposed and implemented a system for distributed data storage and retrieval based on Web services as the top layer, CORBA as middleware and PVM inside clusters. ...
doi:10.1007/978-3-540-24669-5_47
fatcat:7dv3kfg7cnaqbjwa7avsxfz3hm
Integration of CORBA and object relational databases
2003
Computer Standards & Interfaces
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The CORBA standard object transaction service and concurrency control service are reused. ...
CORBA is widely accepted as the open international standard for modelling and building comprehensive distributed systems. ...
CORBA object services The Object Transaction Service (OTS) and the Concurrency Control Service (CCS) are two CORBA common object services that guarantee transaction and concurrency semantics for CORBA ...
doi:10.1016/s0920-5489(03)00009-6
fatcat:63vn7ff6lbh23j4sb7z56u3o2m
Web-enabling an Integrated Health Informatics System
[chapter]
2001
OOIS 2001
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number clients (15-20) = 1-2 second response times Outline q Motivation for this work q Our distributed Health IS Architecture q OO Designs: EJBs; CORBA/XML; JSPs; Jini q Examples of user interfaces ...
Remote objects
q Delphi and Java clients
q Remote object access
when require data
q CORBA objects -> EJBs
q XML encoded data for
e.g. insurers, other
health providers
EJB Home IFs
EJBs ...
doi:10.1007/978-1-4471-0719-4_49
dblp:conf/oois/PetrovskiG01
fatcat:gz3l457esvgupkhm65jmtrfyvy
Accessing and distributing EMBL data using CORBA (common object request broker architecture)
2000
Genome Biology
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The techniques of developing loaders and 'live object caching' with persistent objects achieve a smart live object cache where objects are created on demand. ...
The EMBL object model is defined such that it provides a basis for specifying interfaces in interface definition language (IDL) and thus for developing the CORBA servers. ...
A live object is an in-memory object in the live object cache. A CORBA object is a CORBA implementation object defined in IDL. Creation of a CORBA object is called instantiation. ...
doi:10.1186/gb-2000-1-5-research0010
pmid:11178259
pmcid:PMC15028
fatcat:isf37uzyvzbrxfnqgwo4bmotpi
Designing Scaleable Applications Using CORBA
[chapter]
1997
Integrated Network Management V
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The Object Management Group's Common Object Request Broker Architecture (CORBA) is quickly becoming an industry-leading approach to building distributed applications. ...
CORBA was investigated for its use to build applications that must deal with very large numbers (up to millions) of managed objects. ...
CORBA was investigated for use in a distribution infrastructure on which applications that must manage very large numbers of objects will be built. ...
doi:10.1007/978-0-387-35180-3_37
fatcat:2fgcheoycfcprcyeev57hqqkju
Object oriented system architecture and strategies for the exchange of structured multimedia data with mobile hosts
[chapter]
1996
Mobile Communications
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Finally the abstract architecture is mapped to OMG CORBA. The architecture and a selection of the exchange strategies are used to build a prototype of a mobile information system. ...
This is done, e.g. by using object specific methods of data reduction and levelof-detail, by adaptation of transfer to given Quality-of-Service parameters, and by data compression. ...
He became a research assistant at Fraunhofer Institute for Computer Graphics in 1994 and is now a member of the scientific staff of the Computer Graphics Center Rostock. ...
doi:10.1007/978-0-387-34980-0_19
fatcat:pctyrkst7je7bfjsvrgvkjacoe
Invalidation for CORBA Caching in Wireless Devices
[chapter]
2004
Lecture Notes in Computer Science
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In this paper, we propose an approach to use Object by Value and Invalidation Report mechanisms to cache a CORBA object in a mobile environment. ...
Common Object Request Broker Architecture (CORBA) is a middleware architecture developed by Object Management Group (OMG) to establish communications amongst some different devices architectures. ...
We use the invalidation report mechanisms to keep the cache consistency during frequent disconnections. ...
doi:10.1007/978-3-540-30121-9_44
fatcat:7jemf3duondebl7rfd6zopatby
A CORBA extension for intelligent software environments
2000
Advances in Engineering Software
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We have implemented these ideas in a CORBA/Java framework for distributed computing, and are currently applying them to a distributed system for the analysis of aerospace design (wind-tunnel, and CFD) ...
The Object Infrastructure Framework (OIF) separates systematic properties from functional code and provides a mechanism for weaving them together with functional components. ...
Acknowledgments The ideas expressed in this paper have emerged from the work of the MCC Object Infrastructure Project. We thank Stu Barrett, Carol Burt, Deborah Cobb, T.W. ...
doi:10.1016/s0965-9978(00)00031-4
fatcat:7a4l23nagjdsxbbrd75mqrsnju
Using Selective Acknowledgements to Reduce the Memory Footprint of Replicated Services
[chapter]
2006
Lecture Notes in Computer Science
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The paper discusses the general concept of SACK in replicated services and presents a specific implementation of SACK for an existing replication infrastructure. ...
This paper proposes the use of Selective Acknowledgements (SACK) from clients to services as a method for reducing the memory footprint of replicated services. ...
An object adaptor is the CORBA entity that mediates between the request broker and the actual server implementation; it is responsible for locating the implementation of a service, loading the object and ...
doi:10.1007/11914952_31
fatcat:wkx7w4ldw5cb5bl2666lzc4b74
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