Abstract
The Mobile IP (MIP) protocol is used to maintain device connectivity while the device is moving between networks through a permanent IP address and temporary care-of-address (CoA). There are two techniques to implement MIP; these are direct and indirect. The indirect is commonly used in the current industry due to its stability while the mobile host (MH) frequently moves from network to another. However, the indirect technique suffers from the problems of delays and enlargement related to the packet size. The direct technique is more sensitive to frequent mobility, yet it required less transformation overhead with stable mobility. Accordingly, to overcome the disadvantages of both techniques, a semi-direct technique is proposed in this paper. The proposed technique is implemented by minimizing the home agent's interference (HA) with a push notification to the correspondent node (CN) that concerns any modification in the moving MH's CoA. The simulation of the proposed technique, the indirect and the direct routing techniques showed the advantages of the semi-direct routing technique over the conventional approaches. The results showed that the semi-direct approach outperformed the conventional approaches in terms of delay and overhead with frequently moved MH.
Highlights
Internet mobility is a crucial aspect of the IP networks that support delivering the data to a moving node [1]
The third scenario is when the mobile node (MN) is moving from an Foreign Network (FN) to another, the Correspondent Node (CN) sends a packet through to the home agent's interference (HA) where the destination IP address of the sent packet represents the CoA, the HA verify if there is an update on the destination CoA and, as the HA been informed about the new CoA, the HA response to the CN with a notification of the changes in the CoA
In order to analyze the performance of the proposed technique and the existing techniques in term of the processing overhead and the speed of the transition, delay is used for comparison purpose
Summary
Internet mobility is a crucial aspect of the IP networks that support delivering the data to a moving node [1]. A temporary IP address assigned to a moving MN outside the HN An address of the MN from which the transmitted packet is originated An address of the MN to which the transmitted packet is addressed A device that stores information about the locations and addresses of the devices in the MN A device that stores information about nodes visiting its network and advertise CoA A network to which an MN belongs and identified through its address. The direct routing technique, called host-based mobility protocols [11], enables CN to send a packet to MN by using the CoA if the MN located in a visited FN. Called network-based mobility protocols [14], enables a CN to send a packet to MN by using the PA through the HA whether an MN is located in its HN or a visiting an FN.
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