Interoperability with other (corporate) platforms

In the F500 corporate world, interoperability between MS apps and other platforms will be a “hot” topic. In a recent conversation with a corporate systems architect, he stated that Microsoft's strong drive into large enterprise systems will bring forth interoperability and integration issues. Time to read up on it - Simon Guest's Toolkit and some recent MSDN articles. Choosing between the various platforms (notably IBM, Oracle & Sun) may not be easy.