Programming and deploying java mobile agents with Aglets
著者
書誌事項
Programming and deploying java mobile agents with Aglets
Addison-Wesley, c1998
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注記
Includes bibliographical references (p. 211-213) and index
内容説明・目次
内容説明
The next huge wave of Internet development, Java Aglets are lightweight mobile agents that enable the autonomous execution of programs on remote heterogeneous hosts. Because Java aglets automate many of the processes users must now perform manually, the technology is poised to transform the way many users interact with the Internet. Written by the creators of the technology, this book gives you the knowledge and skills you need to create Java aglets using IBM's Aglets Software Development Kit. Practical in focus, the book features numerous real-world examples of Java code that illustrate concepts and demonstrate Java aglets in action. Geared for Java programmers with no previous agent experience, the book presents a clear introduction to mobile agents that explains the basic conceptual model, agent behavior, the creation and disposal of agents, and agent transfer over a network. The appendix provides systematic, detailed coverage of the Java Aglet API describes and illustrates aglet anatomy, context, messaging, and collaboration.Moving beyond these basics, the book also presents advanced topics, such as design patterns for creating mobile agent applications, and provides a deeper look inside the Aglets framework to help you optimize the performance of your aglets.
Aglet security, a topic of critical importance for this mobile technology, is covered in depth. 0201325829B04062001
目次
1. Introduction to Mobile Agents.
What's a Software Agent?
What's a Mobile Agent?
Seven Good Reasons for Using Mobile Agents.
Network Computing Paradigms.
Mobile Agent Applications.
Application Example: Tabican.
Contemporary Mobile Agent Systems.
Mobile Agent Standardization: MASIF.
Summary.
2. Elements of a Mobile Agent System.
Agent and Place.
Agent Behavior: Creation and Disposal.
Agent Behavior: Transfer.
Communication.
MASIF: MAFAgentSystem and MAFFinder.
Summary.
3. Mobile Agents with Java.
Agent Characteristics of Java: Benefits.
Agent Characteristics of Java: Drawbacks.
Mobile Java Agent: The Aglet Model.
Aglet Package.
Aglet Example: Remote File Update.
Summary.
4. Anatomy of an Aglet.
Creation.
Aglet Disposal.
Delegation-Based Event Model.
Cloning.
Aglet Mobility.
Persistence.
Events.
Aglet Example: Directory Listing.
Summary.
5. Aglet Context.
Aglet Creation.
Proxy Retrieval.
Aglet Retraction.
Context Properties.
Aglet Example: Directory Listing.
Summary.
6. Aglet Messaging.
Simple Messaging.
The Message Class.
Getting the Reply.
Message Management.
Remote Messaging.
Multicasting.
Receiving Multiple Replies.
Aglet Example: Directory Listing.
Summary.
7. Aglet Collaboration.
Aglet Proxy.
Controlling an Aglet.
Finding an Aglet.
Aglets in Parallel Execution.
Summary.
8. Agent Design Patterns.
Classification of Agent Design Patterns.
The Master-Slave Pattern.
The Itinerary Pattern.
Master-Slave Revisited.
Summary.
9. Inside Aglets.
Architectural Overview.
Aglet Object Structure.
Initialization and Serialization of Aglets.
Class Loading and Transfer.
Communication Layer.
Summary.
10. Aglet Security
What Can Go Wrong?
Taxonomy of Attacks.
Security Services: What Is Possible and What Is Not.
When You Cannot Protect Your Agents.
When You Cannot Trust Incoming Agents.
Security Model.
Summary.
Appendix: The Aglet API Documentation.
com.ibm.aglet Package.
com.ibm.aglet.event Package.
Bibliography.
Index. 0201325829T04062001
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