Micro mobile MPLS: a new scheme for micro-mobility management in 3G all-IP networks

This article presents the micro mobile MPLS scheme, which is a new proposal for IP local mobility in wireless MPLS access networks. Our proposal is based on multiprotocol label switching (MPLS) and mobile IP and relies on two-level hierarchy architecture. With micro mobile MPLS, mobile nodes (MNs) do not require changes to their IP protocol stack, neither for micro-mobility nor macro-mobility. Nevertheless, it still uses Mobile IP for macro-mobility scenarios. The main features of our scheme are related on scalability, flexibility, fast handoff and the ability to provide quality of service (QoS) by using the underlying MPLS traffic engineered paths. Simulation results are given to justify the benefits of our proposed architecture.