نتایج جستجو برای: network operating system

تعداد نتایج: 2793382  

2002
Takashi Okumura Daniel Mossé Masaki Minami Osamu Nakamura

Because of user demands for better quality of service, network-aware applications have been of increasing necessity. To enable more control, the end-host operating system (OS) is the entity responsible for providing appropriate service level and API to user applications. However, most of the work in this area remains domain-specific and without a generalizable scheme for providing network contr...

2005
Andrew Warfield Steven Hand Keir Fraser Tim Deegan

Device-level interfaces in operating systems present a very useful cut-point for researchers to experiment with new ideas. By virtualizing these interfaces, developers can create soft devices, which are used in the same way as normal hardware devices, but provide extra functionality in software. Recent years have shown this approach to be of considerable interest: a few examples of block device...

2011
Alfredo Matos John Thomson Paulo Trezentos

Operating system tools must fulfil the requirements generated by the advances in networking paradigms. To understand the current state of the Free, Libre and Open Source Software (FLOSS) ecosystem, we present a survey on the main tools used to manage and interact with the network, and how they are organized in Linux-based operating systems. Based on the survey results, we present a reference Li...

A. Mostafa, H. Abrishami-Moghddam, M. Gity, M. Mokhtari-Dizaji, P. Abdolmaleki,

 ABSTRACT Background: A computer aided diagnosis system was established using the wavelet transform and neural network to differentiate malignant from benign in a   group of patients with histo-pathologically proved breast lesions based on the data derived independ­ently from time-intensity profile.   Materials and Methods: The per­formance of the artificial neural network (ANN) was evaluated u...

2007
Cristian Morariu Manuel Feier Burkhard Stiller

Obtaining information about the usage of network ressources by individual users forms the basis for establishing network billing systems or network management operations. While there are already widely used accounting techniques available for measuring IP network traffic on a per-host basis, there is no adequate solution for accounting per-user network activities on a multiuser operating system...

2010
Karen R. Sollins

As the networked world expands, it holds the promise of a new vision of human and computer connectivity. We envision a new model for the role of the network in a distributed computing environment, as the basis or core of the Information Mesh. Our early model of the network was a reliable stream of bits, facilitating such network activities as file transfer, remote login, and electronic mail. As...

Optimal distribution substation placement is one of the major components of optimal distribution system planning projects. In this paper optimal substation placement problem is solved using Imperialist Competitive Algorithm (ICA) as a new developed heuristic optimization algorithm. This procedure gives the optimal size, site and installation time of medium voltage substation, using their relate...

2002
Christopher Roth Craig Rasmussen

Password-based user identification and authentication in a network-based operating system generally relies upon a single file that contains user information and the encoded or hashed representations of each users’ password. Operating system designers have resorted to various protection schemes to prevent unauthorized access to this single file. These techniques have proved vulnerable to various...

In this paper, a (photovoltaic-wind-battery) hybrid system is designed to provide a network-independent pattern. The purpose of this paper is to provide the necessary energy and minimize production total costs over the life of the system. By using a new algorithm called "particle swarm optimization algorithm with constriction factor", which has advantages like high convergence speed, the optima...

Journal: :IJCC 2012
Yaoxue Zhang Yue-Zhi Zhou

Abstract: Cloud computing has become a hot topic recently. Among these research issues, cloud operating systems have attracted extensive attention. However, to date, there is no answer to such issues as what a cloud operating system is and how to develop one. This paper proposes a cloud operating system, TransOS, from the viewpoint of transparent computing, in which all traditional operating sy...

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