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In this paper, we consider the problem of two identical machines scheduling that jobs are processed under a grade of service (GoS) provision. The jobs arrive over time and the two machines can be idle at the same time only when all the jobs arrived are completed. To our best knowledge, this problem has never been studied so far. For the problem with objective makespan minimization, we prove that any...
Upload and download traffic often coexist in mobile networks. However, TCP download throughput could be substantially degraded by upload traffic even if the downlink is not the bottleneck. Previous works such as RSFC and TCP-RRE can substantially improve TCP download throughput in the presence of concurrent TCP upload flows, albeit at the expense of significantly degraded upload throughput performance...
Today's datacenter is shared among various applications with different QoS requirements, which poses a great challenge to deliver low delay transport with high throughput. Most of works address this challenge by reducing the in-network delay, but assumes a negligible local delay. However, we show that this assumption does not hold for a multi-tenant datacenter that a physical machine is shared by...
Mobile data networks exhibit highly variable data rates and stochastic non-congestion-related packet loss. These challenges result in key performance bottlenecks in current Transmission Control Protocol (TCP) implementations: bandwidth inefficiency and large end-to-end delay. This work addresses these challenges by first developing a Sliding Interval based Rate Adaptation (SIRA) that tracks bandwidths...
Knowledge of the queue length of the bottleneck link has many potential applications such as congestion control, traffic engineering, traffic policing, content adaptation, QoS monitoring and provisioning, etc. A recent work proposed a new Sum-of-Delay with Timestamp (SoD-TS) algorithm which can accurately estimate queue length in mobile networks with both bandwidth variations and uplink delay variations...
Knowledge of the queue length and link buffer size of the bottleneck link has many potential applications such as congestion control, traffic engineering, traffic policing, content adaptation, QoS monitoring and provisioning, etc. A recent work proposed a new Sum-of-Delay (SoD) algorithm which can accurately estimate such link properties in mobile networks. This work presents a delay variation compensation...
By means of event-time driven based the model of networked control systems. Based on the controlling of the invariant networked-delay, using the predictive control value and the predictive feedback value according to the variable network-induced delay given the corresponding state transfer matrix of the networked control system, at the same time studied the condition of the stability of the networked...
For linear time-invariant normal controlled plant, under the assumption that controller and actuator adopt the method of event-time driven the system become a variable-sampling networked control system. Because network-induced delay time is uncertain, it maybe is more than a variable-sampling period. Based on the predictive control value and the predictive feedback value the variable-sampling networked...
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