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We investigate the design of a clean-slate control and management plane for data networks using the abstraction of 4D architecture, utilizing and extending 4D's concept of logically centralized Decision plane that is responsible for managing network-wide resources. In this paper, a dynamically adaptable algorithm for assigning Data plane devices to a physically distributed Decision plane is presented,...
Network tomography has been proposed to ascertain internal network performances from end-to-end measurements. In this work, we present priority probing, an optimal probing scheme for unicast network delay tomography that is proven to provide the most accurate estimation. We first demonstrate that the Fisher information matrix in unicast network delay tomography can be decomposed into an additive form...
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