The fact that it's a "one toe in the water" approach to SOA is exactly what makes it attractive. It can help you break up the Monorail incrementally without the

The fact that it's a "one toe in the water" approach to SOA is exactly what makes it attractive. It can help you break up the Monorail incrementally without the immediate expensive investment in fully separate apps. The ease of running integration/acceptance tests in this kind of setup is a huge help, especially if the app already has tests covering the behavior you're trying to maintain while splitting things out.