Siebel Order Management Infrastructure Guide > Data Transfer Utilities Business Service > About Data Transfer Utilities >
ISS Copy Service and the Data Transfer Utility
The DataTransfer method of the DTU replaces the Copy method of the ISS Copy Service. DTU offers more functionality and usability.
ISS Copy Service is still supported. Earlier configurations that use the Copy Service will still work with the Copy Service in 8.0. Only the AutoOrderSalesQuote and AutoOrderServiceQuote signals are re-configured to use DTU. It is recommended that new development be based on DTU.
Some differences are between DTU and ISS Copy Service are:
- DTU does not require you to instantiate the source and destination instances first. Instead DTU instantiates and deletes them automatically. This makes the invocation easier and safer.
- Copy service data map field options include: