| WCF | Web services |
| It is hosted in IIS, Self-hosting, Windows service, WAS (Windows Activation Service). | It is hosted on IIS. |
| It is accessed through HTTP, TCP, P2P, Named pipes. | It is accessed through HTTP. |
| It supports security, reliable messaging, transactions, service oriented, extensibility. | It supports security services. |
| It gives better performance. | It gives comparatively lower performance. |
| Hash tables can be serialized. | Hash table cannot be serialized. |
| It can be multithreaded via ServiceBehaviour class. | It cannot be multithreaded. |
| It supports different type of bindings like BasicHttpBinding, WSHttpBinding, WSDualHttpBinding etc. | It can only used SOAP or XML for this. |
| The classes that implement the Idictionary interface can be serialized. | The classes which implement IEnumerable and ICollection interface can be serialized. |
Example:
[SerivceContract]
public interface ITest
{
[OperationContract]
String ShowMessage();
}
public class Service : ITest
{
public string ShowMessage()
{
return "Hello world!";
}
} | Example:
[WebService]
public class Service :
System.Web.Services.WebService
{
[WebMethod]
public string Test()
{
return “Hello world!”;
}
} |
