COM+ integrates MTS services and message queuing into COM, and makes COM programming easier through a closer integration with Microsoft languages as Visual Basic, Visual C++, and J++.
It not only adds MTS-like quality of service into every COM+ object, but it also hides some of the complexities in COM coding.
Explain the problem with COM.
From the security point of view, COM and ActiveX controls are not safe.
As COM and ActiveX components are run as native code on the user's machine, there are fewer restrictions on what the code can do.
Many of these problems have been addressed by the introduction of "code Signing" (based on digital signatures), and later by the .NET platform as well.
Therefore, before an ActiveX control is installed, the user is prompted whether to allow the installation or not. It is possible to disable ActiveX controls altogether, or to only allow a selected few
0 Comments:
Post a Comment