Abstract
Proxy Mobile IPv6 is a network-based mobility management protocol which is attractive as it does not require the participation of mobile nodes in mobility-related signaling. Unlike the host based approaches like Mobile IPv6, in PMIPv6 the Mobility Access Gateway (MAG) is responsible for tracking the movements of Mobile Node (MN) and to initiate the handover process. In this study, a novel method of multicasting the data packets to both the previous and the new MAGs by Local Mobility Anchor (LMA) during the handover process is proposed. The experimental results show that the handover delay is greatly reduced when compared to the existing approaches and the packet loss during the handover process is reduced.
Highlights
The packet delivery in Mobile IP. (1) When a Correspondent Node (CN), sends a packet to a Mobile Node (MN), the
MIPv6 suffers from a serious drawback of Triangle routing problem: Even if the CN’s location is nearer to MN, the packets from CN should travel through Home Agent (HA)
We propose a method to multicast the data packets to both the pMAG and new MAG (nMAG) instead of establishing the tunnel between pMAG and nMAG which wastes the bandwidth resources. nMAG triggers the Local Mobility Anchor (LMA) to multicast the data packets and LMA switches to multicast mode. pMAG and nMAG joins the multicast tree rooted at the LMA
Summary
The packet delivery in Mobile IP. (1) When a Correspondent Node (CN), sends a packet to a MN, the. In host-based protocols, the mobile nodes are involved in mobility-related signaling These protocols require stack modifications in the packet is intercepted by the Home Agent (HA) (2) HA encapsulates the packet and sends it to the FA (3) FA decapsulates the packet and delivers it to the MN. When the CN sends a packet to the MN which is away from the home network and the HA intercepts it, HA sends a binding update message to the CN which contains the MN’s current mobile nodes. CN updates its binding cache entry mobile nodes are not involved in mobility-related and from on sending the packet directly to MN’s signaling, there is no need of stack modifications in current CoA. Lei and Fu (2008) proposes the handover process based on GPS Information It introduces a new network entity called Mobility Controller (MC).
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