Avaya 100 Series Application And Qualification Manual page 42

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Although there are many overlapping features the VPN Router is still predominantly an IPSec solution.
The SR does support IPSec branch-to-branch and end-user tunnels however for greater scalability and
flexibility VPN Router should be deployed where high end-user aggregation is required. For
predominantly router focused applications SR should be deployed except where interface limitations
dictate that VPN Router can be used (i.e. non-IP applications).
Secure Router 100x and 3120 Technical Solution Guide
October_2010 41
Application and Qualification Guide