Distributed Object-Oriented Architectures


Book Description

This document intends to offer a detailed discussion of selected distributed object-oriented architectures at conceptual level. The first part of the discussion offers a comprehensive overview of the Socket architecture in Java 2 and Berkeley UNIX and the distributed object model of Java Remote Method Invocation and the Common Object Request Broker Architecture. The second part concludes the discussion with a comparative study of selected features with emphasis on the Common Object Request Broker Architecture and Java Remote Method Invocation. Major Issues Include The TCP/IP Protocol Suite. We provide an introductory overview of the TCP/IP protocol suite and its architecture including layers and protocols. The TCP/IP architecture is based on three concepts: processes, layers and protocols. Sockets in Berkeley Unix. We present the Berkeley UNIX socket architecture in relation to the Internet communication domain and illustrate connection-oriented and a connectionless models of communication. Sockets in Java 2. We describe the Java 2 socket architecture, outline selected socket operations, introduce related packages and classes and conclude with a framework for a connection-oriented and connectionless model of communication. Remote Method Invocation in Java 2. We present a distributed object model in Java RMI, provide an overview of related interfaces, classes and packages and discuss security related issues. We conclude with the development of a framework for a distributed object application. Common Object Request Broker Architecture. We introduce a distributed object model for the Common Object Request Broker Architecture and outline design concepts including the Interface Definition Language and the Interoperable Naming Service. We conclude with the development of a framework for a distributed object application. Comparative Study of Distributed Architectures. We present a comparative study of socket architectures and distributed object models introduced in part o




Distributed Object Architectures with CORBA


Book Description

Distributed Object Architectures with CORBA is a guide to designing software comprised of distributed components. While it is based on OMG's Common Object Request Broker Architecture (CORBA) standard, the principles also apply to architecture built with other technology (such as Microsoft's DCOM). As ORB products evolve to incorporate new additions to CORBA, the knowledge and experience required to build stable and scalable systems is not widespread. With this volume the reader can develop the skills and knowledge that are necessary for building such systems. The book assumes a familiarity with object-oriented concepts and the basics of CORBA. Software developers who are new to building systems with CORBA-based technologies will find this a useful guide to effective development.




Enterprise JavaBeans


Book Description

This third edition explains the underlying technology, Java classes and interfaces, component model, and runtime behavior of Enterprise JavaBeans. In addition, the book contains an architecture overview, information on resource management and primary services, design strategies, and XML deployment descriptors.




Distributed Object-oriented Data-systems Design


Book Description

This guide deals with the design and implementation of advanced information systems. It covers object-oriented data management systems, distributed environments, and advanced user interfaces i.e. those integrating text, pictures, video and sound. This book also focuses on migration issues involved in going from relational database management systems to object-oriented database management issues, and discusses the advantages/disadvantages of both types of systems. The authors have developed a unique Frame-Object Analysis Methodology for advanced modelling. It also shows the reader what constitutes an advanced distributed information system and how to design and implement one. The handbook will benefit database analysts, database administrators, programmers and members of technical staff interested in data models. Andeleigh is the author of UNIX SYSTEM ARCHITECTURE.




Pattern-Oriented Software Architecture, Patterns for Concurrent and Networked Objects


Book Description

Designing application and middleware software to run in concurrent and networked environments is a significant challenge to software developers. The patterns catalogued in this second volume of Pattern-Oriented Software Architectures (POSA) form the basis of a pattern language that addresses issues associated with concurrency and networking. The book presents 17 interrelated patterns ranging from idioms through architectural designs. They cover core elements of building concurrent and network systems: service access and configuration, event handling, synchronization, and concurrency. All patterns present extensive examples and known uses in multiple programming languages, including C++, C, and Java. The book can be used to tackle specific software development problems or read from cover to cover to provide a fundamental understanding of the best practices for constructing concurrent and networked applications and middleware. About the Authors This book has been written by the award winning team responsible for the first POSA volume "A System of Patterns", joined in this volume by Douglas C. Schmidt from University of California, Irvine (UCI), USA. Visit our Web Page




CORBA Design Patterns


Book Description

Harness the power of design patterns to build CORBA-based applications CORBA Design Patterns provides detailed guidance in the construction of distributed applications based on OMG's CORBA. Founded on a philosophy of designing for change, the design patterns provide essential, proven guidance in lowering the risk of developing software in a distributed environment. The authors introduce you to the essential principles of CORBA and design patterns. They provide a framework for design patterns in software design and show examples for designing OMG IDL interfaces and integrating legacy and Internet applications. On the CD-ROM you'll find: * IDL for all available CORBA and CORBA services * All the source code examples from the book * Animated demonstrations You'll get: * Clear, step-by-step guidance on how to architect real-world designs using the OMG interface definition language (IDL) * A complete design pattern catalog offering expert solutions for designing and building distributed object-oriented systems * Step-by-step examples that demonstrate how to use all the techniques described to build both legacy and Internet applications Visit our Web site at: http://www.wiley.com/compbooks/




Implementing Distributed Systems with Java and CORBA


Book Description

This book provides graduate students and practitioners with knowledge of the CORBA standard and practical experience of implementing distributed systems with CORBA's Java mapping. With tested code examples that will run immediately!




Delta-4: A Generic Architecture for Dependable Distributed Computing


Book Description

Delta-4 is a 5-nation, 13-partner project that has been investigating the achievement of dependability in open distributed systems, including real-time systems. This book describes the design and validation of the distributed fault-tolerant architecture developed within this project. The key features of the Delta-4 architecture are: (a) a distributed object-oriented application support environment; (b) built-in support for user-transparent fault tolerance; (c) use of multicast or group communication protocols; and (d) use of standard off the-shelf processors and standard local area network technology with minimum specialized hardware. The book is organized as follows: The first 3 chapters give an overview of the architecture's objectives and of the architecture itself, and compare the proposed solutions with other approaches. Chapters 4 to 12 give a more detailed insight into the Delta-4 architectural concepts. Chapters 4 and 5 are devoted to providing a firm set of general concepts and terminology regarding dependable and real-time computing. Chapter 6 is centred on fault-tolerance techniques based on distribution. The description of the architecture itself commences with a description of the Delta-4 application support environment (Deltase) in chapter 7. Two variants of the architecture - the Delta-4 Open System Architecture (OSA) and the Delta-4 Extra Performance Architecture (XPA) - are described respectively in chapters 8 and 9. Both variants of the architecture have a common underlying basis for dependable multicasting, i. e.




Object-Oriented Technology. ECOOP 2001 Workshop Reader


Book Description

For the ?fth time in its history, in cooperation with Springer-Verlag, the European C- ference on Object-Oriented Programming (ECOOP) conference series is glad to offer the object-oriented research community the ECOOP 2001 Workshop Reader, a c- pendium of workshop reports, panel transcripts, and poster abstracts pertaining to the ECOOP 2001 conference, held in Budapest from 18 to 22 June, 2001. ECOOP 2001 hosted 19 high-quality workshops covering a large spectrum of - search topics. The workshops attracted 460 participants on the ?rst two days of the conference. Originally 22 workshops were chosen from 26 proposals by a workshop selection committee, following a peer review process. Due to the overlaps in the areas of interest and the suggestions made by the committee six of the groups decided to merge their topicsintothreeworkshops.Thisbookcontainsinformationonthepanel,postersession, and 17 workshop reports, for which we have to thank our workshop organizers, who did a great job in preparing and formatting them. The reports are organized around the main line of discussion, comparing the - rious approaches and giving a summary on the debates. They also include the list of participants, af?liations, contact information, and the list of contributed position papers. Although they usually do not include abstracts or excerpts of the position papers, they do give useful references to other publications and websites, where more information may be found.




Expert One-on-One Visual Basic .NET Business Objects


Book Description

Popular conference speaker "Rocky" Lhotka shows how to use the framework to create a sample application and demonstrates how easy it is to write Windows, Web, and Web services interfaces for applications based on it.