Create Simple Workflow By : Kasim Wirama, MCDBA, MVP SQL Server Workflow is series of activities that are linked one another. You can see many samples about workflow. For me, workflow looks like procedures that I should follow from beginning until the end. There is 2 kinds of workflow, sequential workflow...

Authorization in WCF By : Kasim Wirama, MCDBA, MVP SQL Server Authorization is action to verify authenticated user whether to allow on requested operation. It is no exception in WCF. In WCF service, user gets authenticated, once authenticated, WCF service will do authorization what operations user can...

Authentication with HTTPS in WCF By : Kasim Wirama, MCDBA, MVP SQL Server Message encryption should be combined with authentication and authorization wcf client by wcf service. Usually message level security provides authentication, so wcf service can authenticate user by getting result from Thread.CurrentPrincipal...

Implementing WCF Message Level Security over HTTP By : Kasim Wirama, MCDBA, MVP SQL Server You can secure your message confidentiality by encryption either in transport level security or message level security. For transport level security, you can set up SSL over Http. And for message level security...

Securing message with HTTPS in WCF By : Kasim Wirama, MCDBA, MVP SQL Server Message encryption could be achieved with message level or transport level security. For message level security, you can see my article titled : Encrypt Message with TCP-based in WCF, this article will discuss about implementation...

Encrypt Message with TCP-based in WCF By : Kasim Wirama, MCDBA, MVP SQL Server Messages transported from client to WCF service and vice versa need to be encrypted. There are several encryption algorithms available to protocols such as http or tcp. Whatever algorithm and protocol choice, both client and...

Security in WCF By : Kasim Wirama, MCDBA, MVP SQL Server Security in distributed environment is very important. In internet/intranet environment, security covers authentication process and communication after authentication process. This also applies to WCF. This article, I would like to describe security...

Exposing COM+ Application to WCF Service By : Kasim Wirama, MCDBA, MVP SQL Server If you’ve deployed COM+ application for your organization, you have chance to expose the COM+ application to WCF service as well. WCF service will wrap your COM+ application so that it can be called as WCF service. I will...

st1\:*{behavior:url(#ieooui) } A Short Example about Asynchronous Operation By: Kasim Wirama, MCDBA, MVP SQL Server Next article for WCF, I would like to write about asynchronous operation. But before I share about asynchronous operation in WCF, I would like to give a simple example about asynchronous...

Implementing Reliable Session in WCF By : Kasim Wirama, MCDBA, MVP SQL Server The potential problem in distributed environment is the reliability of message delivery. Message could be lost in the middle for transport process between client-server, or message could arrive more than once to the destination...