Fig. 1. Move-in function in mobility support service.

Fig. 2. Subscription handoff with a complete topology when the path from the source to the destination is inactive.

Fig. 3. Subscription handoff with a complete topology when the publisher is between the source and the destination.

Fig. 4. Subscription handoff with the covering optimization.

Fig. 5. Advertisement handoff with a complete topology.

Fig. 6. Three cases for simultaneous pub/sub handoffs.

Fig. 7. Forward path establishment in the Hermes model.

Fig. 8. Subscription handoff with a rendezvous point.

Fig. 9. Advertisement handoff with a rendezvous point.

Fig. 10. Mobility simulator GUI.

Fig. 11. Simulation results for a variable number of handoffs with border broker mobility.

Fig. 12. Simulation results for a variable number of handoff with full mobility.

Fig. 13. Simulation results for a variable number of subscribers.

Fig. 14. Simulation results for a variable number of publishers.

Fig. 15. Summary of handoff costs in different networks.

Fig. 16. Summary of handoff delays in different networks.

Cost structure for generic mobility

Topology update costs for a single handoff for a complete subpath

Topology update costs for a single handoff for an incomplete subpath

Overview of handoff protocols

Overview of simulation parameters

Optimizations for pub/sub handoffs