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Abstract-Internet of Things (IoT) is emerging as part ofthe infrastructures for advancing a large variety of applicationsinvolving connection of many intelligent devices, leadingto smart communities. Due to the severe limitation on thecomputing resources of IoT devices, it is common to offloadtasks of various applications requiring substantial computingresources to computing systems with sufficient...
Cloud computing has emerged as a powerful and elastic platform for internet service hosting, yet it also draws concerns of the unpredictable performance of cloud-based services due to network congestion. To offer predictable performance, the virtual cluster abstraction of cloud services has been proposed, which enables allocation and performance isolation regarding both computing resources and network...
As more and more data-intensive applications have been moved to the cloud, the cloud network has become the new performance bottleneck for cloud applications. To boost application performance, the concept of coflow has been proposed to bring application-awareness into the cloud network. A coflow consists of many individual data flows, and a coflow is completed only when all its component flows are...
The number of available pins on SOC is one of the limiting factors to the off-chip bandwidth, for example many-core enabled Internet of Things (IoT) devices, where the package size and PCB floorplan are tightly constrained. A typical SOC package allocates more than half of the pins for power delivery, resulting in the number of IO pins for off-chip communications is greatly reduced. We observe the...
We propose a technique to phase-match Josephson-junction traveling wave parametric amplifiers to achieve high gain (over twenty decibels) over a broad bandwidth (multiple GHz) for applications such as the multiplexed readout of quantum coherent circuits.
The number of available pins in ball grid array (BGA) of modern system-on-chips (SOCs) has been discussed as one of the major bottlenecks to the performance of the processors, for example many-core enabled portable devices, where the package size and PCB floorplan are tightly constrained. A typical SOC package allocates more than half of the pins for power delivery, resulting in the number of IO pins...
Cloud computing has emerged as a prevailing platform for internet service hosting. To best utilize Cloud resources for profit making, Cloud providers rely on intelligent resource allocation algorithms when provisioning the virtualized environments for tenant service hosting. Conventional resource allocation proposals mainly focus on efficient allocation of the computing and storage resources, with...
A time sharing relaying system model using Orthogonal Frequency Division Multiple Access (OFDMA) is investigated in this paper, where eNode B transmits to relay and macro user equipments (M-UEs) during the first time slot, and in the second time slot messages are conveyed to remote user equipments (R-UEs) by the relay with relay acting in the decode-and-forward (DF) mode. These two transmissions are...
As one of the key characteristics of virtualization, live virtual machine (VM) migration provides great benefits for load balancing, power management, fault tolerance and other system maintenance issues in modern clusters and data centers. Although Pre-Copy is a widespread used migration algorithm, it does transfer a lot of duplicated memory image data from source to destination, which results in...
In enterprises and residential networks, there are always multiple classes of traffic sharing the limited access bandwidth, and multiple token buckets are used to guarantee the usage of every class. At the same time, network managers hope to utilize the idle resource, in case of the bandwidth for some classes is redundant, for higher classes, as well as lower classes. A bi-direction adjustable multi-class...
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