Fast and scalable handoffs for wireless internetworks
MobiCom '96 Proceedings of the 2nd annual international conference on Mobile computing and networking
Mobile Networking Through Mobile IP
IEEE Internet Computing
A Mailbox-Based Scheme for Improving Mobile IP Performance
ICDCSW '03 Proceedings of the 23rd International Conference on Distributed Computing Systems
Secure Mobile IP Communication
LCN '01 Proceedings of the 26th Annual IEEE Conference on Local Computer Networks
Optimized Smooth Handoffs in Mobile IP
ISCC '99 Proceedings of the The Fourth IEEE Symposium on Computers and Communications
A Seamless Handoff Approach of Mobile IP Based on Dual-Link
WICON '05 Proceedings of the First International Conference on Wireless Internet
IEEE Communications Magazine - Part Anniversary
Low-latency mobile IP handoff for infrastructure-mode wireless LANs
IEEE Journal on Selected Areas in Communications
Dynamic hierarchical mobility management strategy for mobile IP networks
IEEE Journal on Selected Areas in Communications
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The Mobile IP (MIP) protocol that supports node mobility in IP networks may be implemented through two routing schemes: triangular routing and reverse tunneling. While triangular routing guarantees better performance because of shorter routing paths, it is not compatible with egress filtering policies enforced by many firewalls. As a result, it is necessary to recur to the slower reverse tunneling routing scheme that causes lower mobile connection throughput and higher round trip times. In this paper, we propose an innovative adaptive traffic filtering technique in which egress filtering rules are dynamically and automatically modified to reflect the presence of mobile nodes inside the protected network. The proposed scheme, called secure triangular routing, guarantees the best trade-off between performance and security because it enables triangular routing without violating network security policies. Viability and performance improvements of the proposed solution have been demonstrated by experiments carried out through a prototype. The proposed solution does not require any modification in correspondent nodes or in their networks, and it fully complies with the MIP protocol specifications.