Hubs & Spokes Change(1) Review of Requirement Language Requirement language for Softwire security protocol is made consistent with security description in “Softwire Problem Statement” Softwire Security Threat Scenario (Section 3.3) Clarification of softwire solution as a subset of L2TPv2 for softwire tunnel setup. Add text for security protection mechanism in L2TPv2 tunnel setup procedure in Softwire context and address the security weakness Without per-packet based authentication for PPP CHAP Weak security solution of PPP ECP No key management facilities for L2TPv2 CHAP option |