OpenFlow is a Software Defined Networking (SDN) protocol that is being deployed in many network systems. SDN application verification takes an important role in guaranteeing the correctness of the application. Through our investigation, we discover that application verification can be very inefficient under the OpenFlow protocol since there are many race conditions between the data […]
Read more
No Comments
Controlling Race Conditions in OpenFlow to Accelerate Application Verification and Packet Forwarding
No Comments
Social Networks and Asset Price Dynamics
In this paper, we investigate how behavioral contagion in terms of mimetic strategy learning within a social network would affect the asset price dynamics. The characteristics of this paper are as follows. First, traders are characterized by bounded rationality and their adaptive learning behavior is represented by the genetic programming algorithm. The use of the […]
Read more
No Comments
Performance Evaluation of MAC Protocol and Routing in Multi-Rate Wireless Ad-Hoc Networks
The medium access control (MAC) and routing are fundamental parts in the design of wireless ad-hoc networks. A joint routing protocol and medium access control based on CSMA-CDMA with multi-rate transmission capability for ad-hoc networks are proposed in this paper. Simulations show the effectiveness and validation of the proposed protocol. Furthermore, these simulations present a […]
Read moreThis brief describes a built-in self-test (BIST) technique used to verify and tune the timing integrity of a clock distribution system implemented with injection-locked rotary traveling-wave oscillators (RTWOs). The die is fabricated in a 130-nm CMOS process and occupies 4.4 mm × 2.25 mm and is limited by the outer diameter of the RTWOs, leaving […]
Read moreWe consider the distributed estimation problem, where a set of nodes is required to collectively estimate some parameter vector of interest with unknown or variable tap-length. In practice, a sufficiently large filter length is utilized in such contexts to avoid a large excess mean square error at steady state, thereby resulting in slower convergence rate […]
Read more
No Comments
Efficient Modeling and Demand Allocation for Differentiated Cloud Virtual-Network as-a Service Offerings
Cloud clients (CCs) of current distributed cloud applications are still not assured of their service quality, in particular, in terms of the experienced latency. Unfortunately, this is mainly attributed to the unpredictability of the communication links among their hosting distributed data centers. To address this problem, this article introduces a novel virtual-network-as-a-service (VNaaS) model to […]
Read more
No Comments
The Application of SOM Network to Particle Tracking Velocimetry in a Wind-Blown Sand Flow
Wind-blown sand flow is the basic phenomena that have profound influences on the environment, and the experimental study on the velocity distribution of the sand particles is very important for the understanding of this phenomena. Among the various experimental techniques, particle tracking velocimetry (PTV for short) is one that attracts more and more attentions. In […]
Read moreThis paper addresses an important aspect of mobile core network virtualization: The combined optimization of the virtual mobile core network topology (graph) and its embedding onto a physical substrate network. Basically this comprises the placement of mobile core virtual network functions (VNFs) onto the nodes of the physical substrate network, the determination of the interconnections […]
Read moreThe present note investigates the stabilization, controllability and optimal control problem of Boolean networks with impulsive effects and state constraints. By using the semi-tensor product method, the algebraic form of the Boolean networks with impulsive effects and state constraints is derived. The stabilization and controllability issues of the systems are investigated and some necessary and […]
Read more
No Comments
Distribution Network Verification for Secure Restoration by Enumerating All Critical Failures
If several feeders are interrupted in a severe accident, distribution networks should be restored by reconfiguring switches automatically with smart grid technologies. Although there have been several restoration algorithms developed to find the new network configuration, they might fail to restore the whole network if the network were critically damaged. The network’s design has to […]
Read more