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Softwire Model Assumption for Hub & Spokes Softwire is initiated from user side where SI resides. Voluntary tunnel mode L2TPv2 is assumed as Softwire protocol.(Phase 1) Both LAC and PPP endpoint reside in SI. Both L2TP and PPP are initiated from SI. Authentication “Customer” authentication must be supported. Mutual authentication in some scenarios Authentication can be turned off in some scenarios Softwire is integrated with commonly deployed AAA solution for user authentication as well as machine. Roaming support. Stable IPv6 prefix possible depends on service scenario at visited domain. |