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This paper provides an overview of the SSL performance for the encrypted communication with an IBM WebSphere Application Server (WAS) exploiting IBM® System z® cryptographic hardware features.

Two possible WAS setup scenarios are discussed:
  • The first scenario describes a WAS-only setup
  • The second scenario involves an IBM HTTP server (IHS) as HTTP transport service for WAS

The focus of this white paper is on the support and setup of IBM System z cryptographic hardware features for both scenarios. The SSL performance results for an online stock trading benchmark application are also discussed.

Authors

  • Thomas Weber
  • Dr. Juergen Doelle

Acknowledgements

Thank you to the following people for their support during this project:
  • Michael Tebolt (IBM Poughkeepsie)
  • Ingo Tuchscherer (IBM Boeblingen)

The tests for this project were performed at the IBM System z End to End Performance Team in Boeblingen, Germany.

Remarks

IBM online information center Web links that point to specific application documentation chapters are very long. Therefore the following notation is used in this white paper. The Web link points to the top level site of the application documentation and the navigator below the Web link indicates the path to a specific topic.

For example:

https://www.ibm.com/docs/en/was/8.5.5

Websphere Application Server (Distributed operating systems), Version 8.0 > Reference > Custom properties