Isco. com a Better Way from IPv4 to IPv6 (6PE)over MPLS Y C. Liu Cisco Systems(china) Networking Technology Co., Ltd CTO ycliu@cisco.com e 2003, Cisco Systems, inc. All rights reserved
genda CIsco. com IPv6 migration approaches enabled b MPLS 6PE approach: IPv6 Provider Edge Router over MPlS/Pv4 ●Conc| usIons Presentation ID e 2003, Cisco Systems, Ino. All rights reserved
arkets wh re MPLS facilitates FY CIsco. com Wireless 2.5G/3G mobile phone pDAs, cars networks Service Providers Mobile ISPs, Greenfield ISPs, Regional ISPs and Carriers, Metro Academic and Research Networks(NRN) Presentation D e 2003, Cisco Systems, Ino, All rights reserved
3GPP/UMTS EXample CIsco. com Alternative Applications Legacy mobile IPv6 Mandated Network Services" SCP Multimedia GPRS -SGW CSCF IP Network A ccess IPs Domain CAP Network HSS) CSCW Gi-+HM MPLS offers TE HMT HBSS/ Gb T-SGw*) SGSN ATM+IP +IPv6 GGSN switching TE HMT H UTRAN t MGW Legacy Extemal MS Circuit Switch CS Domain MSC server MSC server --- T-SGW Access Network Applications Services” HSS RsGw” Signalling Interface tents are duplicated for figure Signalling and Data Transfer Interface only, they belong to the same t in the reference mode IM Domain is now a sub-set of the ps domain Presentation ID e 2003, Cisco Systems, Ino. All rights reserved
IPv6 over MPlS Deployment Scenarios CIsco. com Many ways to deliver IPv6 services to End Users Most important is End to End iPv6 traffic forwarding Many Service Providers have already deployed MPLS in their pya backbone for various reasons MPLS/PN, MPLS/QoS, MPLS/TE, ATM+IP switching MPLS can be used to facilitate IPv6 integration Multiple approaches for iPv6 over MPls IPV6 CE-to-CE IPv6 over IPv4 Tunnels Pv6over“ Circuit over MPls” -NettvePy6-MP-s- IPv6 Provider Edge Router(6PE)over MPLs Presentation D e 2003, Cisco Systems, Ino, All rights reserved