| 1. | The forth chapter discusses how to build the object web with visibroker for java
第4章详细探讨了利用visibrokerforjava构建objectweb的方案。 |
| 2. | The author mainly studies the real - time performance of visibroker , an orb product of inprise corp under c + + builder environment
文中作者重点研究了c + + builder环境下inprise公司的orb产品visibroker的实时性能。 |
| 3. | Osagent provides the basic function of naming service and uses simple naming principle to maintain the directory of the objects
Visibroker的容错功能是通过osagent实现的。 osagent提供了基本的namingservice功能。 |
| 4. | Meanwhile , the paper provides a brief introduce of visibroker and how to design the application with it . also , some parts of corba object idl design are listed
同时文章简单浙江工业大学硕士学位论文介绍了visibroker以及系统的开发过程并给出系统的部分corba对象接口设计。 |
| 5. | First , an experiment is designed to analyze some real - time performance of visibroker qualitatively , and the delay time of 9 tasks is got , using multithreading to simulate multitask on the corba client
作者首先设计了一个实验，采用多线程模拟corba客户端的多个任务，根据实验结果定性地分析了visbroker的一些实时性方面的特征，并测得9个任务时请求的延迟时间。 |
| 6. | Orb product by inprise company , as intermediate to construct distributed computation emironment based on corba software . adopt access data base to administer the related data . choose c + + builder and java as pre - developing tools
主要工作包括：选用inprise公司的orb产品visibroker作为中间件构建基于corba的分布式计算环境，采用access数据库管理相关数据，选择c + + builder和java作为前端开发工具，后台服务程序采用fortran编写，接口语言为idl ，图形仿真采用opengl 。 |
| 7. | In order to improve the system ' s efficiency , a load - balancing algorithm based on the condition of database server ' s resource is addressed in the dissertation . according to the usage condition of the server ' s resources , the algorithm can allot the client request and balance the load in a more reasonable way . the function , faulty - tolerance of visibroker , is realized by osagent
Corbavisibroker提供是一种随机的简单负载平衡算法，为更好地提高系统的效率，本文提出了一种基于数据库服务器的资源状况的负载平衡算法，该算法可以根据服务器的资源使用状况，更合理分配客户请求，更合理的平衡了负载。 |
| 8. | The third part describes how to apply the corba into development . the fourth part is the major part of this paper . this part demonstrates how to apply corba technology to develop a multi - bank system in detai is arid shows the gives the developing procedure of the mul t i bank atm management system which takes the c + + builder as the develop tools and the vi . s1broker as the middleware
论文第一部分介绍了电子商务的相关概念；第二部分介绍了corba规范；第三部分介绍了corba规范的具体应用；第四部分是论文的主要部分，详细描述了如何利用corba技术实施一个跨银行atm系统，并给出以visibroker为中间件，用c + + builder开发该系统的过程。 |
| 9. | Based on such situation , this research proposes a distributed heterogeneous database information searching system model based on corba middleware . this model absolutely use existing network and utilize digital book database systems which have been built or under being built . it offers user a uniform search entrance to access the heterogeneous database at different area transparent on the orb provided by visibroker
本课题根据目前这种现状，提出了一个基于corba中间件的分布式异构数据库的信息检索模型，该模型基于现有网络，利用已经建设完全或正在建设的数字图书资料数据库系统，在visibroker提供的orb的基础上为外部用户提供统一接口透明地访问分布在各地域的异构数据库，从而实现分布式异构数据库系统间的统一检索。 |
| 10. | The dissertation focuses on the logical structure , realization technology and corba standard of multi - layer distributed database application system , and also focuses on the realization method of corba - based multi - layer database application system . the theory and realization method of some core technology in the multi - layer database application system have been discussed in this dissertation including load - balancing technology , fault - tolerance technology and session pooling technology etc . corba visibroker provides a kind of random load - balancing algorithm
本文深入研究了多层分布式数据库应用系统的逻辑结构、实现技术、 corba规范以及基于corba的多层分布式系统的实现方法；论述了在多层分布式数据库应用系统中的一些核心技术的原理和实现方法，包括：负载平衡技术、容错技术、 sessionpooling技术等。 |
