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In this paper we propose a hybrid network-on-chip which combines Spatial Division Multiplexing “SDM”-based circuit switching and packet switching in order to efficiently and separately handle streaming and best-effort traffics generated by real-time applications. The SDM technique is used in circuit-switched sub-network in order to increase path diversity, thereby improving throughput and mitigating...
Selection of a suitable and apposite web service for a particular goal oriented job has become a difficult challenge due to the increasing and huge number of web services offering similar functionalities. When dynamic discovery is used in Web Services to select a specific service in optimal way, it is familiar that the outcome of the discovery contains more and supplementary than one provider. From...
The primary role of network access control is to decide on the validity of user's identity accepted into the networks and authorization accessed to the particular resource so that users conforming to their established access polices achieve predefined services. This paper presents a specific scenario which supports quality of service (QoS) in network domain. The QoS access rules are based not only...
Due to the dynamic nature of environment in service computing, it becomes more important to make the Web service composition able to self-adapt to changes in its environment. Achieving this goal is a challenging task, as the performance of a composite Web service will be decreased if the adaptation happens frequently in runtime. In this paper, we improve adaptation of Web service composition by predicting...
Multidomain traffic engineering (TE) has the potential not only of guaranteeing the quality of service (QoS) to connections spanning multiple domains but also of effectively utilizing intradomain resources. The hierarchical Optical Internetworking Forum (OIF) External Network-to-Network Interface (E-NNI) control plane platform has emerged as a promising candidate aiming at guaranteeing multidomain...
The Hybrid CDN-P2P architecture, or HCDN, which combines the complementary advantages of CDN and P2P networks, has been proposed to reduce the deployment cost and to improve the quality of service in file sharing and video streaming applications. A replica placement algorithm (RPA) decides where to replicate the specific data. Existing RPAs for pure CDN do not work efficiently in the HCDN architecture...
Modern networks provide QoS model to go beyond best-effort services, but current QoS models are oriented towards low level network parameters (e.g. bandwidth, latency, jitter) application developers on the other hand are interested in quality models that are meaningful to the end-user and therefore struggle to bridge the gap between networks and application QoS models. Network-aware applications are...
CDN (Content Delivery Network) and P2P (Peer-to-Peer) are two dominant technologies in large-scale content distribution. However, they have their own advantages and disadvantages. In this paper, an efficient hierarchical content distribution scheme is proposed, integrating the traditional CDN and centralized P2P. In our approach, content distribution is divided into two stages. In the CDN-level core...
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