Flex - Advisable to use multiple web services?

I am develop开发者_Python百科ing an application with multiple windows, all using their own web services.

Is it bad practice to use more than one web service per application? If so, what are the disadvantages?

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Is it bad practice to use more than one web service per application?

No! In fact, I don't think I've ever worked on an application that used only one web service.