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The design and deployment of a novel mobile network architecture, motivated by the challenges deriving from the explosive increase in data traffic on operator networks, are a pressing problem in today’s telecommunications. Distributed mobility management (DMM) introduces a key idea to tackle the traffic bottlenecks that impact current mobile networks by proposing the deployment of distributed mobility...
Recent innovation in mobile technologies has changed from the static architecture of client-server relationships toward dynamic, mobile, and instant networks. Accordingly, many studies have been done to support the seamless mobility networks. However it is difficult to deploy such networks due to the need of a special network infrastructure supporting mobility management. In this paper, we propose...
In IP-based wireless/mobile networks, mobility support is one of the most critical issues. Hierarchical Mobile IPv6 (HMIPv6) was proposed by Internet Engineering Task Force (IETF) to mitigate the high signaling overhead in Mobile IPv6 networks when mobile nodes (MNs) perform frequent hand-offs. Although the standardization process of the HMIPv6 specification has been almost completed in IETF, there...
In Proxy Mobile IPv6, network entities such as mobile access gateway and local mobility anchor perform mobility on behalf of the mobile nodes. Thus, PMIPv6 decreases the handover latency and the network enables mobile nodes to receive mobility support although they do not have mobility protocol stack within them. However, when a large number of mobile nodes are attached to the PMIPv6 domain, or they...
In a wireless network, handover latency is very important in supporting user mobility with the required quality of service (QoS). The Hierarchical Mobile IPv6 (HMIPv6) approach is one such scheme which reduces the high handover latency that arises when mobile nodes perform frequent handover in Mobile IPv6 wireless networks. Although HMIPv6 reduces handoff latency, failures in the mobility anchor point...
NEMO basic support (NBS) protocol ensures session continuity for all the nodes in a mobile network, however, there exists a serious pinball routing problem. To overcome this one, there are many route optimization (RO) solutions such as bi-directional tunneling (BT) mechanism, aggregation and surrogate (A&S) mechanism, recursive Approach, etc. The A&S RO mechanism is known to outperform the...
Many schemes to reduce the inter-MAP handoff delay in hierarchical mobile IPv6 have been proposed but the previous schemes waste relatively large network resources to decrease the path rerouting delay. In this paper, we propose the 2-layered MAP concept, where the seamless inter-MAP handoff can be supported regardless of path rerouting time. As a result, the waste of wired resources and the rate of...
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