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amrameshreddy.blog.com420 CHAPTER 13 ■ IMPLEMENTING SOA INTEROPERABILITYramrameshreddy.blog.comThis configuration translates to the application configuration file shown in Listing 13-13.Listing 13-13. WS-ReliableMessaging Enabled via ConfigurationRELIABLE MESSAGING AND WS-SECURITYThe WS-ReliableMessaging specification “strongly recommends” securing reliable scenarios. The following ispart of section 5 of the specification located at http://specs.xmlsoap.org/ws/2005/02/rm/ws-reliablemessaging.pdf:ramrameshreddyramrameshreddyIt is strongly recommended that the communication between services be secured usingthe mechanisms described in WS-Security. In order to properly secure messages, the bodyand all relevant headers need to be included in the signature….The specification goes on to clarify the suggestion based upon sequencing and in the end to alleviatemessage replay concerns. Given the “strong” suggestions from the committee and the significant IBM representationon the committee as part of the WCF architects, it’s no surprise the requirement exists with WCF.