Though COM and DCOM are able to provide reusability and a distributed platform, they also suffer from problems of versioning, reference counting, and so on. Microsoft .NET came up with a vision to be more connected than ever. It wanted to deliver...

Microsoft developed COM to enable applications to interact with each other and to promote reusability. COM is the set of specifications that, when followed, allows software components to communicate with each other. Each component exposes its...

ACID Properties In a perfect transaction world, a transaction must contain a series of properties known as ACID. These properties are: Atomicity A transaction is an atomic unit of work or collection of separate operations. So, a transaction succeeds...

Event sequences Processing Cycle of Requests from IIS to handler: IIS gets the requestLooks up a script map extension and maps to aspnet_isapi.dllCode hits the worker process (aspnet_wp.exe in IIS5 or w3wp.exe in IIS6).NET runtime is...

Modules are fairly low level and fire against every inbound request to the ASP.NET application. Http Handlers are more focused and operate on a specific request mapping, usually a page extension that is mapped to the handler. Http Handler...