Network Deployment (Distributed operating systems), v8.0 > Secure applications and their environment > Secure web services > Secure web services > Administer Web Services Security > Administer message-level security for JAX-WS web services > Secure requests to the trust service using system policy sets > Enable secure conversation


Flow for establishing a security context token to secure reliable messaging

This example scenario includes functions that are required for the composite scenario of Web Services Reliable Messaging (WS-ReliableMessaging), WS-SecureConversation, and WS-Trust. The scenario describes how to use WS-SecureConversation with WS-ReliableMessaging, the scenario is described from the WS-SecureConversation perspective.

The flow of this Web Services Reliable Messaging (WS-ReliableMessaging) scenario is very similar to the flow of the WS-SecureConversation scenario, and the exchange of the application messages is very similar to the Secure Conversation scenarios. The main difference in the two example scenarios is that the WS-ReliableMessaging sequence is secured with the security context token and scopes the WS-ReliableMessaging sequence to the security context token.

The following figure describes a summary of the message flows that are required to establish a security context token to secure reliable messaging.

Figure 1. Messages exchange for the SCT and reliable messaging


Scenario

The WS-ReliableMessaging sequence is secured with the security context token and is scoping the WS-ReliableMessaging sequence to the security context token. This scenario focuses on the message exchanges that are using the security context token in the overall flow.

The exact detail of how WS-ReliableMessaging is validating the WS-ReliableMessaging sequence, with respect to the security context token scoping, is not described.

Typically, to use secure conversation and a security context token to secure reliable messaging, the following steps are involved;


Flow for establishing a security context token to secure conversations
Security context token
Interoperation with other WS-ReliableMessaging providers: use pattern
Secure requests to the trust service using system policy sets
Configure WS-SecureConversation to work with WS-ReliableMessaging
WS-ReliableMessaging
Enable secure conversation
Web Services Secure Conversation Language specification

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