data migration tools in sap


i am newbie to s.a.p nd i got ma project related to data migration. we are taking data from legacy system to sap database. we are using a tool called cransoft. what about the future of this tool. how to plan my career in this data migration.need help from experienced persons. im a sap abap resource actually. im having practically no work using abap in this very much concerned about ma me out...

thank you