Sorry I didn't read this reply.
Then you must use GoldenGate for heteregenous systems.
Because Oracle Database 10g is don't supported heteregenous data guard configurations.
It is new feature Oracle Database 11g.
Actually we are using Oracle Standard Edition One so we cant use dataguard even on Oracle 11g....
and i want to create 10g window (standby) to 10g Linux (standby) and after that active the linux standby.... further i will upgrade 10g to 11g.... this approach we thought