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UPMT: Universal Per-Application Mobility Management Using Tunnels

UPMT: Universal Per-Application Mobility Management Using Tunnels,10.1109/GLOCOM.2009.5425883,Marco Bonola,Stefano Salsano,Andrea Polidoro

UPMT: Universal Per-Application Mobility Management Using Tunnels   (Citations: 2)
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In this paper we describe an application level Mobility Management mechanism for IP networks, called UPMT (Universal Per-Application Mobility management using Tunnels). The mechanism is able to provide Vertical Handovers over heterogeneous IP based access networks on a per-application basis, i.e. it is possible to independently route different applications over different access networks and take separate handover decisions for each application. UPMT is able to support legacy applications, does not require any support from the access networks nor any change to the TCP/IP stacks in the Mobile Hosts (MH), is able to run on NATed access networks that provide private IP addresses to MH and is fully transparent to Correspondent Hosts. UPMT relies on tunneling the IP packets from the MH to an Anchor Node on IP/UDP tunnels. UPMT provide the MH and the applications with a "virtual" NAT service across many different physical access network. The paper provide the specification of the tunneling architecture and of the mobility management signaling, based on SIP protocol. The Open Source implementation of UPMT for Linux OS is ongoing and its status is presented.
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    • ...Recently, the need to transport different applications on different access technologies at the same time, and take separate handover decisions for each application has been identified and addressed [3][4][5]...
    • ...In [4] we have proposed an application level solution called UPMT (“Universal Per-application Mobility management using Tunnels”)...
    • ...The networking and signalling aspects of UMPT have been presented in [4]...

    Marco Bonolaet al. Per-application Mobility management: Performance evaluation of the UPM...

    • ...UPMT (Universal Per-Application Mobility management using Tunnels), which has been proposed in [8], is based on IPinUDP tunnels for transport and on SIP protocol for signalling...
    • ...The UPMT solution was designed to fulfil a set of requirements which are listed and analysed in [8]...
    • ...The UPMT solution proposed in [8] considers the case in which only one “centralized” Anchor Node is present, we will refer to this solution as “UPMT Centralized AN Mode” (UPMT-CAM)...
    • ...The forwarding and tunnelling of packets in the Mobile Host and in the Anchor Node is regulated by a table called “Per Application Forwarding Table” (PAFT), which associates an application level “socket” to the tunnel used to send packets from the MH to the AN and from AN to MH. The procedures to establish the tunnels, to manage the PAFTs, and to drive the handover of application flows across the tunnels for UPMT-CAM are described in [8], ...
    • ...UPMT signalling and is implemented as a user-space SIP User Agent extended to support all the procedures described in [8]...
    • ...The evaluation is limited to the UPMT-CAM, according to the current status of the implementation, but no evaluation of UPMT had been provided in the original UPMT paper [8]...

    Marco BONOLAet al. Achieving scalability in the UPMT mobility management solution

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