In the direct mode migration, you can change old application code, including
definition XML files, JSP files, and reference libraries, to comply with the
BTT version 6.1.x specifications. You can use the
migration
tool to accelerate the migration process. The direct mode is most applicable
when you want to do one of the following:
- Reconsider your architecture design, for example, changing transaction
management control from branch to headquarter.
- Build new solution features provided by BTT 6.1.x:
- Next Generation Internet Banking based on Web 2.0
- Integrated desktop solution based on Rich Client Technology
- Mobile Banking solution
The following chart shows the direct mode migration:
The process for direct mode migration is as follows:
- Replace old BTT lib with BTT 6.1.x compatible lib.
- Recompile application code with new JDK version (JDK 1.5).
- Perform FVT and SVT.
The advantages of the direct mode migration are:
- Less migration cost
- Fewer BTT skills needed
The disadvantages of the direct mode migration are:
- Not keeping pace with BTT product strategy and IBM® front office strategy
- Not leveraging BTT new features in the new version
- No improvement on performance, scalability, stability and reliability