Programming WCF Services

Scenarios Summary

Now that you have seen the making of the five key scenarios, Tables 10-9 and 10-10 serve as a summary of their key elements. Table 10-9 lists the bindings used in each scenario. Note again that while technically you could use other bindings in almost each scenario, my selection of the bindings is aligned with the context in which the scenario is used.

Table 10-9. Bindings and security scenarios

Binding	Intranet	Internet	B2B	Anonymous	None
BasicHttpBinding	No	No	Yes	No	Yes
NetTcpBinding	Yes	Yes	No	Yes	Yes
NetPeerTcpBinding	No	No	No	No	Yes
NetNamedPipeBinding	Yes	No	No	No	Yes
WSHttpBinding	No	Yes	Yes	Yes	Yes
WSFederationHttpBinding	No	No	No	No	No
WSDualHttpBinding	No	Yes	Yes	Yes	Yes
NetMsmqBinding	Yes	No	No	Yes	Yes

Table 10-10 shows how each of the security aspects defined at the beginning of this chapter (transfer security, service and client authentication, authorization, and impersonation) relates to each scenario.

Table 10-10. The aspects of the security scenarios

Aspect	Intranet	Internet	B2B	Anonymous	None
Transport	Yes	No	No	No	No
Message	No	Yes	Yes	Yes	No
Service authentication	Windows	Certificate	Certificate	Certificate	No
Client authentication	Windows	ASP.NET	Certificate	No	No
Authorization	Windows	ASP.NET	No/ASP.NET	No	No
Impersonation	Yes	No	No	No	No