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With the rapid development of web, mobile apps and IoT devices, a huge volume of data are created every day. In fact, these data are not only large, but also generated quickly and with a variety of different formats. Many companies are forced to face the problem of processing these large data in near real-time. Within different application domains, some data are required to be processed in real-time,...
A knowledge about test activity is valuable information. To store and share the knowledge across software development projects is a key to achieve effective and efficient test activity. We have built a knowledge database about test types to reuse in new projects. However, the intentions of the test types are often misinterpreted when they are reused because of inappropriate descriptions of the test...
The emergence of a new class of complex applications in bio-medical and health-care systems, intelligent transportation, disaster situation management systems and others, has defined new requirements to the methods of control of these systems. Central to those applications is the requirement to understand the meaning of complex situations happening in dynamic environments, and to act based upon those...
Low-power design becomes a challenge for test. In this paper, we propose a novel low-power scan architecture-PowerCut to minimize power consumption during scan test, which is based on a scan chain modification technique. On one hand, a blocking logic is inserted into the scan chain to reduce the dynamic power and a controlling unit is also inserted to decrease the leakage power during the shift cycle...
This paper proposes the use of a new approach, i.e., ‘Self Assessing Processes’ approach in high performance computing (HPC) applications in which all processes identify the section of data to be computed using them. After the successful completion of these computations, each process employs a Message Passing Interface (MPI) I/O to write the results to a file in parallel. This eliminates idle time...
Cloud computing has become an extremely attractive area of research and practice over the last few years. However, there are many concerns over privacy of shared documents while adopting and using public cloud solutions. Private cloud solution is useful for organizations to implement their own privacy policies. Through this paper we propose a method to upload privacy preserving application on private...
Content Delivery Networks (CDN) interconnect several surrogate a.k.a replica servers that use geographical proximity as a criteria for delivering multimedia content. The delivered content may be enriched by value-added video services (e.g. in-stream video advertisements). The purpose of this demo is to show the prototype we developed in order to enable a cost-efficient and agile provisioning of value-added...
In this paper, we present L-SCN, a new routing architecture for Service-Centric Networking (SCN), which makes use of a two-layer forwarding scheme composed of inter-domain and intra-domain communication. Unlike existing SCN routing architectures relying on a flat organization, our design splits the network into domains. Nodes within a domain possess significant knowledge about existing services and...
Due to the recent surge in end-users demands, value-added video services (e.g. in-stream video advertisements) need to be provisioned in a cost-efficient and agile manner in Content Delivery Networks (CDNs). Network Function Virtualization (NFV) is an emerging technology that aims to reduce costs and bring agility by decoupling network functions from the underlying hardware. It is often used in combination...
Small cells have been proposed to improve the signal quality of cell edge users and enhance the serving coverage. But a large number of small cells will cause severe interference and high energy consumption. Hence, green communication is an important issue. The main contribution of this paper is to provide an interference-aware small cell on/off mechanism in a downlink heterogeneous network system...
We present the architecture and partial proof of concept implementation of distributed responder ARP (DR-ARP), a software defined networking (SDN) enabled enhancement of the standard address resolution protocol (ARP). It is intended to improve network security and performance by exerting much greater control over how ARP traffic flows through the network as well as over what actually delivers the...
Since their inception, FPGAs have changed significantly in their capacity and architecture. The devices we use today are called upon to solve problems in mixed-signal, high-speed communications, signal processing and compute acceleration that early devices could not address. The devices continue to grow in capability and complexity. In order for designers to use them effectively, new tools are required...
Orthogonal frequency division multiple access is a technique in which single data stream is transmitted with small rate of subcarriers. OFDM system needs FFT processor for generation of subcarriers. A Radix-2 Based 32 bit and 64 Point Pipeline FFT Processor Using bit parallel multiplication process for OFDM system is presented in this paper. Proposed architecture uses single path delay feedback FFT...
The continuous evolution of the telecommunication network architecture has made their network functions to become more available and utilizable. With SDN/NFV network service providers can program their own network functions on the standard commercial hardware platform. SDN/NFV enable more efficient utilization of resources and better service agility. It supports new network services faster and less...
It has been observed that there has been a great interest in computing experiments which has been useful on shared nothing computers and commodity machines. We need multiple systems running in parallel working closely together towards the same goal. Frequently it has been experienced and observed that the distributed execution engine named MapReduce handles the primary input-output workload for such...
The tremendous growth of broadcast and multicast traffic applications (audio, video, IPTV, teleconferencing etc) over the internet has created an imperative demand for high performance switches. Various switching architectures have been proposed for multicast traffic support. A Digital Cross Connect (DCS) is a crossbar-based switching device and has been considered the most suitable architecture because...
Delay-tolerant Network (DTN) is a computer network architecture that operates effectively over an extreme distance and communicates with heterogeneous networks that may affect the continuous network connectivity. DTN is particularly useful for the areas in which there are no direct connection (either physical or wireless) between source and destination over a long distance, as it can overcome the...
Nowadays, virtual private network has become more and more significant for internet users. As one of the key techniques among VPN architecture, the implementation of data encryption algorithm is playing an important role. In this paper, we implements a Chinese encryption algorithm SM4 towards network flows based on Tilera-Gx multiprocessor, considering some of the features of the processor: SIMD and...
Graph mining is widely used in fields like social network analysis. The synchronous vertex-centric frameworks strike better balance between the performance and ease-of-use, so they are widely used in realistic. However, traditional architectures of this type, like the vertex-based push architecture and GAS, are encumbered by high communication costs. In this paper we proposed a new replica-based push...
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