Multiple Virtual Interfaces for Multi-homing Hosts to Support Inter-technology Handover in PMIPv6 Network
- Authors
- Kim, Seong-Mun; Choi, Hyon-Young; Lee, Hyo-Beom; Min, Sung-Gi; Han, Youn-Hee
- Issue Date
- 6월-2014
- Publisher
- SPRINGER
- Keywords
- Proxy Mobile IPv6; PMIPv6; Virtual interface; Inter-technology handover
- Citation
- WIRELESS PERSONAL COMMUNICATIONS, v.76, no.4, pp.763 - 778
- Indexed
- SCIE
SCOPUS
- Journal Title
- WIRELESS PERSONAL COMMUNICATIONS
- Volume
- 76
- Number
- 4
- Start Page
- 763
- End Page
- 778
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/98455
- DOI
- 10.1007/s11277-013-1529-6
- ISSN
- 0929-6212
- Abstract
- Proxy Mobile IPv6 (PMIPv6), a network-based mobility management protocol, supports multi-homing, inter-technology handover, and flow mobility, with the help of a host's virtual interface (VI). Several single virtual interface (SVI) schemes have been proposed to support these functions. In the SVI schemes, the link-layer identifier (LL-ID) should be swapped while the host is processing neighbor discovery (ND) after inter-technology handover or flow mobility. That is, a host must replace the LL-ID of a VI contained in a neighbor advertisement with the LL-ID of a physical interface (PI) related to a real connection. Such LL-ID swapping cannot be executed under secure neighbor discovery, and it causes ND processing delay and high overhead to check all outgoing packets. In this paper, we propose a multiple virtual interfaces scheme to solve the problem related to the LL-ID swapping, and to provide good support to the inter-technology handover. In the proposed scheme, there are the same numbers of VIs as the PIs between the data link layer and the network layer of a host. Since each VI maintains its own neighbor cache, the proposed scheme does not require LL-ID swapping, so that it can keep the standard ND process. We explain the basic operation of PMIPv6 inter-technology handover under the proposed scheme and, through NS-3 simulation, evaluate the performance of the proposed scheme in terms of ND process delay and inter-technology handover latency.
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