Part 1 of this article series introduced the new message mediation capability, which WebSphere DataPower implemented in the 5.0.0 version of the appliance firmware. This article, which is Part 2 of the series, will explain how to extend these capabilities even further by enabling the use of custom policy vocabularies to deploy specific proxy processing patterns not covered by the built-in policy domains. The article will guide you through the steps necessary to define a customized policy vocabulary and enforce it as an SLD or SLA using WebSphere DataPower and WebSphere Service Registry and Repository (WSRR).
This article is written with the assumption that you are familiar with XSLT, XML, WS-Policy, and DataPower configuration. You can learn more about WS-Policy by reading the WS-Policy Resources included at the end of this article. You can learn more about DataPower configuration and DataPower processing policy from DataPower SOA Appliance Handbook or the DataPower
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