3633, Internet Engineering Task Force, December 2003. IPv6 in 3GPP Networks 28. Zhou, X., Korhonen, J., Williams, C., Gundavelli, S., and Bernardos, C. J. Prefix Delegation for Proxy Mobile IPv6. Internet-Draft draft-ietf-netext-pd-pmip-05, Internet Engineering Task Force, October 2012. Work in progress. 29. Calhoun, P., Loughney, J., Guttman, E., Zorn, G., and Arkko, J. Diameter Base Protocol. RFC 3588, Internet Engineering Task Force, September 2003. 30. Rosen, E., Viswanathan, A., and Callon, R. Multiprotocol Label Switching Architecture. RFC 3031, Internet Engineering Task Force, January 2001. 31. Clercq, J. De, Ooms, D., Prevost, S., and Faucheur, F. Le. Connecting IPv6 Islands over IPv4 MPLS Using IPv6 Provider Edge Routers (6PE). RFC 4798, Internet Engineering Task Force, February 2007. 32. Asati, R., Manral, V., Papneja, R., and Pignataro, C. Updates to LDP for IPv6. Internet-Draft draft-ietf- mpls-ldp-ipv6-07, Internet Engineering Task Force, June 2012. Work in progress. 33. Jankiewicz, E., Loughney, J., and Narten, T. IPv6 Node Requirements. RFC 6434, Internet Engineering Task Force, December 2011. 34. 3GPP. AT command set for User Equipment (UE). TS 27.007, 3rd Generation Partnership Project (3GPP), December 2011. 35. S. Varada, Haskins, D., and Allen, E. IP Version 6 over PPP. RFC 5072, Internet Engineering Task Force, September 2007. 36. USB,. Universal Serial Bus Communications Class Subclass Specification for Mobile Broadband Interface Model. CDC MBIM Revision 1.0, USB Implementers Forum, Inc. (USB-IF), November 2011. 37. USB,. Universal Serial Bus Communications Class Subclass Specification for Ethernet Control Model Devices. CDC ECM Revision 1.2, USB Implementers Forum, Inc. (USB-IF), February 2007. 38. 3GPP. Mobile Station (MS) - Serving GPRS Support Node (SGSN); Subnetwork Dependent Convergence Protocol (SNDCP). TS 44.065, 3rd Generation Partnership Project (3GPP), December 2009. 39. 3GPP. Packet Data Convergence Protocol (PDCP) specification. TS 25.323, 3rd Generation Partnership Project (3GPP