Huhnkuk Lim

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This paper investigates several problems associated with optical multicast routing and wavelength assignment in sparse-splitting optical networks for interactive real-time media distribution. Unfortunately, the constrained multicast routing with optimized wavelength assignment leads to NP-complete condition. Thus, in this paper, a virtual-node-based(More)
In the optical packet switch (OPS) with the hybrid buffer for contention resolution of asynchronous and variable length packets, the optimum numbers of tunable wavelength converters (TWCs) and internal wavelengths is, for the first time, presented for reducing switch cost. The hybrid buffer was addressed, to reduce packet loss further as one of the(More)
Named Data Networking (NDN), one of the future Internet architecture, is recently emerging as a solution to changing traffic pattern of traditional end-to-end host-centric network systems. To achieve this, NDN has several distinctive features such as name based forwarding and in-network caching. Data-intensive science that handles large-scale experiment and(More)
In an effort to reduce switch cost, we, for the first time, present the optimum numbers of tunable wavelength converters (TWCs) and internal wavelengths required for contention resolution of asynchronous and variable length packets, in the optical packet switch (OPS) with the shared fiber delay line (FDL) buffer. To optimize TWCs and internal wavelengths(More)
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