1. Behcet Sarikaya Frank Xia July 2009 Dual-stack Lite Mobility Solutions IETF-75 http://tools.ietf.org/id/draft-sarikaya-softwire-dslitemobility-00.txt

2. Problem Statement Dual-Stack Lite is a promising transition technique But does it apply to mobile networks? Does it apply to mobility protocols? This is the problem we address in this draft

3. Requirements Mobile Network Architectures are different Mobility Protocols have IPv4 host support QoS concerns are very important

4. Mobility Solution 1 Proxy Mobile IPv6 solution

5. Mobility Solution 2 Dual-Stack Mobile IPv6 Solution

6. Mailing List Discussion Co-locate CGN with mobility anchor points of LMA/HA Keep CGN and mobility anchor points in separate entities QoS issues

7. Next Steps Revise the draft: Reflect DS-Lite base draft revision Comments on the list What is WG opinion on this draft?

8. Thank you