Abstract
Mobile IP is an Internet standards protocol, which enhances the existing Internet Protocol (IP) to accommodate mobility. In mobile IP protocol, to find the exact location of mobile node for transferring incoming packets to them has a lot of signaling cost. So increasing the performance and decreasing the signaling cost are challenges of this protocol. Using the paging mechanism, its operation is in such a way that it can reduce Relocation update cost and save on power consumption in a mobile node. In addition, it can improve the performance of network by decreasing the need to register an idle mobile node. Mobile IP, currently does not support paging. Therefore, after introducing the mobile IP protocol and reporting related works, this paper will try to introduce a way to add paging support to the Mobile IP. Track paging is proposed to reduce the number of registration message of an idle mobile node to the mobile node’s home agent by waiving broad casting method and paging area size. Analytical results show that Track paging can significantly improve the total signaling cost of MIP vs. previous methods. Results also show that specifying the optimal paging area is critical in saving signaling cost of a MIP with paging support.
Highlights
Mobile Internet Protocol (IP) (MIP) is a standard proposed by the Internet Engineering Task Force (IETF)
In tracking way, when the idle mobile node moved to the new foreign agent, it would let the previous foreign agent know about its new location so this will be continued to the predefined threshold and mobile node will register its location with the home agent
In wireless mobile networks, paging is a process to determine the exact location of a specific Mobile Terminal (MT) in personal communications services (PCS) or a Mobile Host (MH) in Mobile IP that is in standby state
Summary
Mobile IP (MIP) is a standard proposed by the Internet Engineering Task Force (IETF). Multi-step paging has been widely proposed in personal communications services (PCS) systems to reduce the signaling overheads. After introducing the mobile IP protocol and related works, this paper tries to introduce a way that appended paging to the Mobile IP protocol to reduce the number of location updates or registers to the home network, and reduce the signaling cost. Paging service is popularly deployed in wireless WAN for two major benefits [5]: to reduce location update cost and to save power consumption of mobile terminals (MT). Paging procedures generate additional signaling overhead that is paging cost itself and the latency in locating an MH for packet delivery. It is desirable to figure out the optimal PA size that minimizes the total signaling cost [6]
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