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The next generation network (NGN) must provide mobility and multiple interfaces to enable the seamless delivery of packets, in IP mobility environments, with the best possible quality of service (QoS) guarantee. This paper proposes an efficient resource reservation and QoS provisioning mechanism based on mobile SCTP (mSCTP) with network mobility and multi-homing for NGN. To do this, the proposed mechanism does not refresh the reserved resources on the common path through the path management at the time of mSCTP-based handover. The path management is accomplished by maintaining the common path and common routers on the path. To show the validity of the proposed mechanisms, the ns-2 simulator was used, it can provide the end-to-end seamless QoS and resources management in IP mobility environments more efficiently.