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Because of wide area deployment, heterogeneity, dynamism, and other characteristics of large-scale distributed system (LDS), experimental environment supporting dynamic analysis is important for vulnerability analysis of LDS. In this paper, we summarize the requirements of experimental environment for LDS vulnerability analysis, propose and establish a universal emulation experimental environment...
An autonomous iteration-based approach is proposed to identify faulty links for LEO satellite systems employing intersatellite links (ISLpsilas). A designed network satellite with management responsibilities collects the routing information of communication itself with other satellites, based on which a fault diagnosis model is introduced. Then the most likely faulty link is identified by using an...
Currently, a lot of studies on network fault management have focused on the terrestrial network, which appears to not easily be applied to satellite networks. An autonomous iteration-based algorithm is proposed to identify faulty links for LEO satellite systems employing intersatellite links (ISL's). A designed network satellite with management responsibilities collects the routing information of...
Geographical routing is powerful for its ability to discover a path to the destination without the help of global states. However, stateless geographical routing usually involves a large number of hops when detouring around voids of the network. In this paper, we propose an efficient path pruning (PP) strategy to reduce the excessive number of hops caused by the detouring mode of geographical routing...
Geographical routing protocols are promising in wireless sensor networks because of their ability to discover a sub-optimal route without the help of a global state. Existing geographical routing protocols can guarantee packet delivery if the network topology after planarization remains connected. However, face routing used in non-flooding geographical routing algorithms usually results in a large...
Geographical routing is powerful for its ability to discover route to the destination without the help of global state. However, detours usually occur when the packet reaches a local minimum. In this case, the network topology has to be reduced to a planar graph and recovery schemes such as face routing are needed. However, face routing may create a large number of hops on a planar graph. When multiple...
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