[c-nsp] IOS-XR

[mohamed Osama Saad Abo sree]

Dear all,

I need some help with this,Let's assume that i'm new to IOS-XR,dealing with
GSR and CRS.
I need to know the best source or the best technquie to understand,learn
IOS-XR and be professional in dealing with like normal IOS :)
Also i would appreciate if some one can send me the steps to how to upgrade
from normal IOS to IOS-XR on GSR.

Thanks,
Osama