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In the near future, many access points (APs) belonging to different IP subnets will become widespread and thus will be complementarily integrated to cover a wide area. In the wireless environment, common TCP connection-oriented communication has to be maintained when a mobile node (MN) moves across many APs with different IP subnets that causes a change in the IP address of the MN. Furthermore, TCP...
In the near future, wireless local area networks (WLANs) will overlap to provide continuous coverage over a wide area. In such ubiquitous WLANs, a mobile node (MN) freely moves between WLANs with different IP subnets during VoIP communication. However, existing methods cannot sufficiently maintain VoIP quality during handover due to changes of IP address and inappropriate execution of handover. To...
With the spread of small wireless devices, mobile mesh networks (MMN) will be constructed in the near future by interconnecting such devices. However, it is difficult to reliably deliver data over the moving nodes in an MMN due to the instability of the wireless medium and the movement itself of mobile nodes. Although an existing method, MORE, improves the efficiency of data delivery in fixed wireless...
WIDE (Widely Integrated Distributed Environment) is a research project aimed at achieving a transparent distributed environment over heterogeneous distributed computing elements with the consideration of various types of connections for internetworking. The target environment of the research is computing environment in the academic and research communities especially in Japan. The WIDE project started...
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