Framework for integrating heterogeneous wireless networks using mobile IP

Authors:
Hyun-Sun Hong;Ho-Seok Kang;Young-Chul Shim
Affiliations:
Department of Computer Engineering, Hongik University, Seoul, Republic of Korea;Department of Computer Engineering, Hongik University, Seoul, Republic of Korea;Department of Computer Engineering, Hongik University, Seoul, Republic of Korea
Venue:
CEA'09 Proceedings of the 3rd WSEAS international conference on Computer engineering and applications
Year:
2009

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Abstract

As more wireless networks of many different types are being deployed, integrating these wireless networks and providing seamless handoff among these wireless networks is becoming a more important issue. This issue should be handled from the viewpoint of both the data link layer and the network layer. In this paper we explain how a mobile node which is configured as a client computer gets its IP address and keeps using it while it roams around various wireless networks, some of which may adopt NAT. Then we describe a secure vertical handoff protocol between WLAN and UMTS networks.