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Many proposed solutions employ distributed depth-first-searching (DFS) approach to implement positioning in application layer multicast. In DFS-based delivery tree building approaches, the newcomer need not know the information of other members except the root, and positioning can be easily implemented. However, the DFS approach cannot effectively position a host in some cases because it usually selects...
This paper proposes a new addressing scheme for personal area and sensor networks with Zigbee. The method is based on arithmetic series and avoids address duplication and wastage. Problems associated with skip distance addressing and static addressing schemes are highlighted. Progressive addressing of nodes is demonstrated. The method permits identifying the Zigbee network using IPv6 addressing of...
Various routing structures have been proposed for the data gathering in wireless sensor networks, which are supposed to be efficient in terms of energy consumption and delivery delay. Unfortunately, most of these structures assume not only a static and stable network environment but also the network-wide information such as global topology. These assumptions lead to intolerable overhead in the construction...
Floorplanning is becoming more and more important in VLSI design flows, especially for system-on-chip (SoC) designs where IP blocks dominate standard cells. Moreover, in deep sub-micron technologies, where process variations can introduce extra signal skew, it is desirable to have floorplans with balanced net delays to increase the safety margins of the design. In this paper, we investigate the properties...
Point of presence (PoP) level Internet maps are promising for tasks such as reasoning about the Internet evolution in time or Internet delay estimation. We thus suggest an efficient algorithm for generating PoP level Internet maps directly from the traceroute measurement results. The algorithm avoids the noisy process of interface aggregation to routers. The PoP level maps we obtain are annotated...
Although many multicast routing algorithms have been proposed in order to reduce the total cost in WDM optical networks, the link stress and delay are two parameters which are not always taken into consideration. This paper proposes a novel wavelength routing algorithm, which tries to avoid the multicast incapable branching nodes (MIB, branching nodes without splitting capability) to diminish the...
We use a novel multitree/mesh design to utilize the locality properties of network. The multitree-based mesh over a structured P2P overlay reduces the long delay of P2P Internet video broadcast system. Through analysis and simulation, we show that the partnership management and scheduling algorithm of MTreeTV has short delay (<9s) and high playback continuity (>98%). We also explore how the...
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