The given article sketches out a best practice to implement a company-wide security strategy for cross-departmental and cross-company Web Services communication. One of the key proposals is the centralization of security functionality with XML Gateways (aka API Gateways). It highlights crucial features such as:

• Service virtualization
• Privacy and integrity
• Control and auditing of data flows

Furthermore, this article describes critical success factors and possible practical approaches for the implementation in detail.

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