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With the rapidly growing of geo-distributed applications in the Internet, there is a huge amount of data generated in geo-distributed datacenters everyday. However, because of region privacy concerns and limitation of inter-DC WAN bandwidth, moving all the geo-distributed data to a single datacenter for centralized processing is not practical. Therefore, we intend to process the data where it generates...
Cycling is a typical green traffic mode, and takes a growing part of urban traffic volume. Yet limited cyclist behavior models shed light on cases at unsignalized intersections with heterogeneous traffic, where bicycle behavior is characterized by frequent confrontations with other road users (vehicles, bicycles, and pedestrians). This study developed a microscopic simulation model for cyclist behavior...
Information-Centric Networking is (ICN) gaining increasingly concerns, as an important direction of the future Internet architecture research. To study the impacts of various cache policies on overall performance of ICN network, we formulate the in- network caching problem of ICN into Mixed-Integer Linear Programming problem. Furthermore, we infer that frequency-based cache policies like LFU are supposed...
We propose a new method to extract foreground edges in a video streams taken from a stationary camera. Our background model is based on the fact that a background pixel's gradient components follow Gaussian mixture model(GMM). GMM is performed on the initial group of video frames to obtain the initial pixel gradient component distribution information at each pixel. Then each of the current Canny edge...
Evaluating the reliability of Internet routing is important for an ISP to assess existing peer relationships or establish new peer relationships. Existing algorithms for network reliability computations take all routing paths as inputs. However, these paths may not be actually available for routing because of the constraints of routing policies in the Internet. In this paper, we propose an algebraic...
Internet core routers are facing challenges brought by the ever-increasing transit bandwidth and routing scale. In order to meet the requirements of highly efficient packet forwarding, some solutions propose to load a small portion of the BGP RIB entries into the FIB. Therefore the most popular prefixes, which contribute major traffic loads, need to be cached in the FIB as long as possible. In this...
Highly migratory tuna is one of economically important harvesting objects of the world. It is practically significant to forecast the probable fishing grounds. Based on satellite data of SST supplied by NASA and historical tuna catch data provided by SPC, relationship between catchability and SST was studied. And then using the Bayesian theorem, a tuna probable fishing grounds prediction expert system...
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