some TAF (tough) questions ?

1. Hi , Is it possiable to use TAF (failover) with ezname connect method (the one that you connect without tnsnames file like jdbc user/pass_at_server:port/service)
2. Can I implement TAF with instance client?

I've tried to research on the following points but I haven't find some detail documentation , I will try to play with it , but I wander if anyone has can share his/her knowledge on those issues above ?

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