CAS 1 and CAS 2

[Alex Johnson]

Hi,
 
Bother to bother all the experts.
 
After I successfully configured  both CAS 1 and CAS 2, I am still kind of confused with the benefits by upgrading CAS 1 to CAS 2.
 
It seems to me that there is no difference between CAS 1 and CAS 2 in the front end. Using CAS 1 or using CAS 2 configuration can produce the same output. If so, why bother to upgrade to CAS 2??
 
It seems to me that by distinguishing CAS 1 and CAS 2, it's just the configuration difference and use most current version client, right??
 
It seems to me that CAS 1 is designed for SSO and CAS 2 is designed for a portal environment, right?
 
If you can tell me more about what the advantages/benefits/differences are by upgrading CAS 1 to CAS 2, I will be very appreciated it
 
Thanks,
 
 
Alex
 
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