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Visibility measurement and associated visualization are essential for monitoring the operation of emerging converged software-defined infrastructure (SDI). However, most of existing monitoring tools are not yet ready to cover systematically whole visibility workflow. Thus, in this paper, we present an integrated design for multi-layered visibility workflow, denoted as 'SmartX MultiView Visibility...
Infrastructure visualization based on monitored resource status is essential for the effective operation of modern SDN (Software-Defined Networking)-enabled cloud. More specifically, collecting and visualizing visibility information about both physical & virtual (p+v) types of resources is one of key requirement for multi-site cloud operators. However, most existing visualization tools fall short...
SmartX playgrounds for multi-site OpenStack-based cloud (e.g., OF@KOREN and OF@TEIN) have brought several operational challenges including resource-aware orchestration. The default OpenStack Nova scheduler is not aware of locality (i.e., affinity) aspects for multi-site distributed cloud. To partially address this limitation, we discuss about resource-aware orchestration for multi-site cloud, where...
Recently diverse testbeds are built to experiment and verify new service ideas on SDN/Cloud-leveraged networking. In the early stage of verification, easy and speedy execution of experiments is required. Thus, in this paper, we introduce S-Box virtualized playground, where lightweight experiments are automatically executed only with the virtualized resources in a single box. The proposed S-Box concept...
The properties of AZO (98-wt% ZnO, 2-wt% Al2O3) films produced in pure Ar and Ar (98%) + H2 (2%) (H2-diluted Ar) by radio-frequency (RF) magnetron sputtering were investigated as functions of the substrate temperatures. H2-diluted Ar improved the electrical properties of the AZO films fabricated at low substrate temperatures, but this benefit gradually diminished with increasing substrate temperature...
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