this paper • Determined the required buffer sizes to achieve lossless upward vertical handoffs. • Simulation results show that the average packet delays are within the acceptable QoS limits for most multimedia traffic types.
integrated and multimedia services any time and anywhere with appropriate QoS. • Several WONs will coexist and there internetworking will be a challenging objective. • Handoffs are built on top of the mobile routing capabilities of Mobile IP
Terminal • Home Agent – operate on a router or a workstation on the MT’s home subnet • Foreign Agent – operate on a router or a workstation on a foreign network where the MT is visiting • When MT moves away from its home network, it requires care-of address (CoA), which changes at each new point of attachment, from a FA. RFC 3344
structure or clusters of room-size building- size, and wide area networks. • Each of which has its own characteristics in terms of capacity, bandwidth, latency, and technology What are Wireless Overlay Networks
buffer size. • In general, the average packet delay increases as the average load increases. • The maximum average packet delay obtained was 336ms which is within the limits of satisfying the QoS levels for multimedia communications.