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We compare the performance of three handoff protocols, namely Mobile IP, Fast Handoff and mSCTP. Among the three schemes, Mobile IP suffers from the lowest data throughput and longest handoff latency. Fast Handoff can perform better, provided that the mobile node can handoff to the new base station at an appropriate time instant when data forwarding between(More)
In application-level high bandwidth multicast (HBM), physical links can be shared by multiple long-lived unicast flows. We identify several data transfer patterns which can cause suboptimal bandwidth usage of narrow links and which have not been clearly identified in previous solutions for application-level HBM. We propose a distributed solution to avoid(More)
Achieving IP handoff with a short latency and minimal packet loss is essential for mobile devices that roam across IP subnets. Many existing solutions require changes to be made to the network or transport layer, and they tend to suffer from long handoff latency in either soft or hard hand-off scenario, or both; and some are difficult to deploy in practice.(More)
We compare the performance of three handoff protocols , namely Mobile IP, Fast Handoff and mSCTP. Among the three schemes, Mobile IP suffers from the lowest data throughput and longest handoff latency. Fast Handoff can perform better, provided that the mobile node can handoff to the new base station at an appropriate time instant when data forwarding(More)
Drug delivery to the posterior segment of the eye, especially the retina, faces the unique challenges of various anatomical and physiological barriers. Invasive intravitreal injection is currently the mainstream clinical approach to posterior eye diseases such as age-related macular degeneration, diabetic retinopathy, uveitis, and cytomegalovirus retinitis.(More)
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