An Enhanced Inter-Access Point Protocol for Uniform Intra and Intersubnet Handoffs
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LIHP: A Low Latency Layer-3 Handoff Scheme for 802.11Wireless Networks
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Low-latency handoff inter-WLAN IP mobility with broadband network control
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IEEE Transactions on Mobile Computing
Context-aware handoff middleware for transparent service continuity in wireless networks
Pervasive and Mobile Computing
A neural-network-based context-aware handoff algorithm for multimedia computing
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IP mobility to support live migration of virtual machines across subnets
SYSTOR '09 Proceedings of SYSTOR 2009: The Israeli Experimental Systems Conference
Congestion-aware channel assignment for multi-channel wireless mesh networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
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SARNOFF'09 Proceedings of the 32nd international conference on Sarnoff symposium
SHARE: seamless handover architecture for 3G-WLAN roaming environment
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International Journal of Wireless and Mobile Computing
Video session handoff between WLANs
ICACT'10 Proceedings of the 12th international conference on Advanced communication technology
The SMesh wireless mesh network
ACM Transactions on Computer Systems (TOCS)
Seamless video session handoff between WLANs
Journal of Computer Systems, Networks, and Communications - Special issue on WiMAX, LTE, and WiFi interworking
On the performance of mobile IP in wireless LAN environments
Proceedings of the Third international EURO-NGI network of excellence conference on Wireless systems and mobility in next generation internet
New binding update method using GDMHA in hierarchical mobile IPv6
ICCSA'05 Proceedings of the 2005 international conference on Computational Science and its Applications - Volume Part I
Semi-soft FMIPv6 for 802.11 network
EUC'06 Proceedings of the 2006 international conference on Embedded and Ubiquitous Computing
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HPCC'05 Proceedings of the First international conference on High Performance Computing and Communications
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APNOMS'07 Proceedings of the 10th Asia-Pacific conference on Network Operations and Management Symposium: managing next generation networks and services
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The increasing popularity of IEEE 802.11-based wireless local area networks (LANs) lends them credibility as a viable alternative to third-generation (3G) wireless technologies. Even though wireless LANs support much higher channel bandwidth than 3G networks, their network-layer handoff latency is still too high to be usable for interactive multimedia applications such as voice over IP or video streaming. Specifically, the peculiarities of commercially available IEEE 802.11b wireless LAN hardware prevent existing mobile Internet protocol (IP) implementations from achieving subsecond Mobile IP handoff latency when the wireless LANs are operating in the infrastructure mode, which is also the prevailing operating mode used in most deployed IEEE 802.11b LANs. In this paper, we propose a low-latency mobile IP handoff scheme that can reduce the handoff latency of infrastructure-mode wireless LANs to less than 100 ms, the fastest known handoff performance for such networks. The proposed scheme overcomes the inability of mobility software to sense the signal strengths of multiple-access points when operating in an infrastructure-mode wireless LAN. It expedites link-layer handoff detection and speeds up network-layer handoff by replaying cached foreign agent advertisements. The proposed scheme strictly adheres to the mobile IP standard specification, and does not require any modifications to existing mobile IP implementations. That is, the proposed mechanism is completely transparent to the existing mobile IP software installed on mobile nodes and wired nodes. As a demonstration of this technology, we show how this low-latency handoff scheme together with a wireless LAN bandwidth guarantee mechanism supports undisrupted playback of remote video streams on mobile stations that are traveling across wireless LAN segments.