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Current link state routing is based on routing decisions made through distributed interactions among routers. Link state is disseminated by means of flooding, which possesses a few limitations, such as excessive message overhead and network-wide computation. Thus, we propose LSC2, an extended link state routing protocol with centralized control, in this paper to address this problem. In LSC2, link...
As a popular link state protocol, Open Shortest Path First (OSPF) has been studied for years. A network running OSPF usually takes several tens of seconds to recover from a failure because the protocol timers delay the convergence. In this paper we characterize OSPF convergence behaviors in presence of correlated failures, where the reactive protocol dynamics could be enlarged. Our analysis demonstrates...
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