Pro WCF: Practical Microsoft SOA Implementation
by Chris Peiris, Dennis Mulder, Shawn Cicoria, Amit Bahree, Nishith Pathak
Consuming WCF Services from COM+
Up to now, we've focused on solutions that need to leverage existing legacy application logic that is hosted in COM+. We've focused primarily on Visual Basic 6 given its distinct ability to hide some things that you need control over in order to fully leverage and reuse your application logic.
This section approaches the problem scenario from the perspective that these legacy solutions are not stagnant. In fact, it has been estimated that nearly 90 percent [] of IT budgets are focused on maintaining and extending existing solutions-many of those built on Visual Basic 6 and other legacy technologies.
[] Erlikh, L. "Leveraging Legacy System Dollars for E-Business." (IEEE) IT Pro, May/June 2000. See also http://doi.ieeecomputersociety.org/10.1109/6294.846201 ...
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