To limit the possible damage done by changes, unit tests and integration tests are mandatory, otherwise the entire functionality of the system needs to be hand-tested after each change.

Given that Microsoft represents a large part of the Web Services market for many Web Services based integration needs, this can only limit the applicability of WSTF.

Electronic integration, supported by EDI and other information technologies, drastically reduces time and space buffers that shelter a firm, but that also limit its competitive opportunities.