Nortel Government Solutions provides security solutions and services that protect federal agency networks to ensure trusted inter-agency communications. This eSeminar will cover a "Layered Defense" approach to security that eliminates single points of network failure, particularly where mobility and convergence applications are deployed. This session will explore how <A HREF="http://www2.nortel.com/go/events_detail.jsp?cat_id=-8005&oid=100202609&block=8&locale=en-US">a Layered Defense</A> can provide the flexibility for the network to adapt to new and changing threats.