基于多界面的COM/CORBA互操作

兑继英; 汪芸; 顾冠群

引用本文:	兑继英,汪芸,顾冠群.基于多界面的COM/CORBA互操作.软件学报,2000,11(4):540-544

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基于多界面的COM/CORBA互操作
兑继英^1,2, 汪芸^1,2, 顾冠群^1,2
1.东南大学计算机科学与工程系,南京,210096;2.计算机网络和数据集成国家教育部重点实验室,南京,210096

摘要:

在OMG（object management group）的COM（common object model）/CORBA(common object request broker architecture）互操作规范中,COM/CORBA互操作采用桥的方式实现.尽管这种方法适用范围较广,但其性能较差,无法实现透明的对象生命周期映射,而且没有解决COM和CORBA应用程序的移植问题.该文提出一种基于多界面对象集成方法的COM/CORBA互操作模型,使客户可以直接访问异种对象,从而提高互操作的性能,增强互操作

关键词: COM（common object model），CORBA（common object request broker architecture）,COM/CORBA互操作,多界面.

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基金项目:本文研究得到国家863高科技项目基金(No.863-511-9704-002)和教育部应用基础项目基金(No.98046)资助.

COM/CORBA Interworking Based on Multi-Interface

DUI Ji-ying,WANG Yun,GU Guan-qun

Abstract:

In the OMG's COM/CORBA interworking specification, interworking between COM and CORBA is implemented via bridges. Though the interworking model is flexible, it needs heavy overheads which leads to poor performance. Moreover, there are problems in its object life-cycle mapping. It does not provide portability either. In this paper, a COM/CORBA interworking model is proposed based on multi-interface object integration method. In the new model, a client can directly access a foreign object, therefore interworking performance is improved remarkably. In addition, it enhances interworking transparency and provides application portability between COM and CORBA environments.

Key words: COM（common object model）,CORBA（common object request broker architecture）, COM/CORBA interworking, multi-interface.