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Mobile agent-based application seamless migration method

A mobile agent, seamless technology, applied in the direction of program control devices, etc., can solve the problems of single migration granularity or migration strategy, uneconomical, inoperable, etc., to save the time required for migration, reduce the probability of migration failure, and protect security. Effect

Inactive Publication Date: 2010-12-08
NANJING UNIV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, most of the existing application migration work adopts the overall migration method or only considers two types of one-way and multi-way migration, and lacks the investigation of heterogeneous environments such as application characteristics, user preferences, computing networks, and computing devices. Migration is less feasible and efficient
[0003] The diversity of applications and the heterogeneity of computing environments make a single migration granularity or migration strategy inappropriate
First of all, not all applications are suitable for migration. Furthermore, many applications are not portable and cannot be run in a heterogeneous computing environment. In addition, many applications do not depend on a specific software, such as multimedia applications.
Therefore, it is neither appropriate nor economical to adopt a single migration strategy, and it is necessary to adopt different migration strategies according to the characteristics of the application.

Method used

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with specific examples.

[0033] 1. Operating environment

[0034] The middleware system uses JDK1.4.2 and above to implement based on the OSGi framework, and the JAVA virtual machine is jre1.4.2 and above; the proxy container adopts Aglets-2.0.2, and allows the integration of other proxy containers that comply with FIPA / MASIF, such as JADE; The rule engine uses Drools 2.1 and above; the sensors in the pervasive computing environment are based on Cricket and RFID.

[0035] 2. User personal information configuration

[0036] In the present invention, a user agent is defined, and the user agent performs personalized configuration according to the user's personal information. User personal information includes user ID, type of device held, software usage preference, and middleware configuration. The Composite Capabilities / Preferences (CC / PP) protocol is adopted for user personal information configurati...

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Abstract

The invention discloses a mobile agent-based application seamless migration method, which comprises the following steps of: constructing a middleware system supporting application seamless migration, configuring the personal information of a user, defining the structure and semantics of a software agent supporting the application migration, formulating three different migration strategies according to the different characteristics of application, and providing a method for application reconfiguration after the migration. The method has the advantages of overcoming the defects of difficult application migration, low migration efficiency and the like in the prior art, reducing network load, shortening migration delay, and improving the degree of satisfaction of the user on an application migration service under a ubiquitous computing environment.

Description

technical field [0001] The invention relates to the field of computer applications, in particular to a mobile agent-based application seamless migration method. Background technique [0002] The ubiquitous computing model has a series of characteristics such as computing-intensive, network-intensive, resource-intensive, and context-aware, which provide a good infrastructure and environment for the seamless migration of applications. The so-called "seamless application migration" means that the application executed by the user can migrate in the information space as the user moves in the physical space, and the status, attributes, and context information related to the application execution can move at the same time, and Being able to adapt to the computing resources available in the new scenario, the user can continue to execute his previously running applications in the new location and in the way he likes. Compared with other migration methods, the seamless migration unde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/44
Inventor 余萍吕建曹建农
Owner NANJING UNIV
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