Tracy Yingying Cheng

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The controller placement problem tries to place k controllers in a given network to optimize performance metrics such as propagation latency, load distribution, network reliability and failure resilience. However, the quality of service (QoS) is always a primary concern of the network operators in the placement of SDN controllers. Since the SDN controllers(More)
The present study examined the effectiveness of a humor therapy program in relieving chronic pain, enhancing happiness and life satisfaction, and reducing loneliness among older persons with chronic pain. It was a quasiexperimental pretest-posttest controlled design. Older persons in a nursing home were invited to join an 8-week humor therapy program(More)
In the current Internet architecture, application service providers (ASPs) own users' data and social groups information, which made a handful of ASP companies growing bigger and bigger and denied small and medium companies from entering this business. We propose a new architecture, called Application Independent Information Infrastructure (AI3). The design(More)
Recent development of ICN technologies mostly focused on data caching, and data publication and subscription to improve the efficiency of data transmission. The issues of monopoly of users' data and social relations by ASPs (Application Service Provider) have been ignored. This monopoly causes some problems such as the hijack of users by a handful of giant(More)
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