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The Dialoguer: an interactive bilingual interface to a network operating system

EXPERT systemS 2001年第3期18卷 131-149页

作者： Al-Shawakfa, E Evens, M Yarmouk Univ Dept Comp Sci Irbid 21163 Jordan IIT Arab Language Proc Lab Chicago IL 60616 USA

We have developed a bilingual interface to the Novell network operating system, called the Dialoguer. This system carries on a conversation with the user in Arabic or English or a combination of the two and attempts to help the user use the Novell network operating system. Learning to use an operating system is a major barrier in starting to use computers. There is no single standard for operating systems which makes it difficult for novice users to learn a new operating system. With the proliferation of client-server environments, users will eventually end up using one network operating system or another. These problems motivated our choice of an area to work in and they have made it easy to find real users to test our system. This system is both an expert system and a natural language interface. The system embodies expert knowledge of the operating system commands and of a large variety of plans that the user may want to carry out. The system also contains a natural language understanding component and a response generation component. The Dialoguer makes extensive use of case frame tables in both components. Algorithms for handling a bilingual dialogue are one of the important contributions of this paper along with the Arabic case frames.

关键词： bilingual interface operating system interface network operating system Arabic language processing case frame

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On network operating system security

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INTERNATIONAL JOURNAL OF network MANAGEMENT 2016年第1期26卷 6-24页

作者： Roepke, Christian Holz, Thorsten Ruhr Univ Bochum Univ Str 150 Bochum Germany

The emerging concept of software-defined networking (SDN) enables new opportunities for building future networks. In such setups, a so-called network operating system (NOS), which is also known as SDN controller, provides services to manage the underlying and programmable network infrastructure. On top, the so-called SDN applications leverage NOS services and implement business needs in order to orchestrate the network as required. Thereby, such applications have access to all kinds of operations (including critical ones) to use valuable NOS and SDN resources. In case of faulty and malicious SDN applications, we demonstrate that today's NOSs can be significantly harmed, for example, by fatal errors and the adverse use of critical operations. To tackle this problem, we propose a sandbox system, which allows us to restrict not only SDN applications but also internal NOS components to access only a configurable set of critical operations. This enables operators to prevent the entire NOS from crashing in case a single SDN application or NOS component runs into a fatal error. Furthermore, operators can deny access to unwanted critical operations in order to prevent the potential misuse of such operations. For our proposal, we provide two proof-of-concept implementations: one for the industry's leading open-source NOS called OpenDaylight and another one for the HP controller, which serves as foundation for the world's first SDN App Store. As a result of our work, we harden a mandatory SDN component, that is, the NOS, and achieve robustness as well as pro-active security against faulty and malicious SDN software. Copyright (C) 2015 John Wiley & Sons, Ltd

关键词： software-defined networking network operating system sandbox

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Research on reform of "network operating system" curriculum

Research on reform of "Network Operating System" curriculum

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7th International Conference on Computer Science and Education

作者： Zhang, Hong-hong Lian, Wei-min Henan Business Coll Dept Comp Zhengzhou 450044 Peoples R China

According to course teaching characteristic and actual status of network operating system, describes some reformation measures about teaching content, teaching methods, assessment and textbook construction. As a resul... 详细信息

ISBN: (纸本)9781467302395

关键词： curriculum reform network operating system teaching college

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Towards a Software-Defined network operating system for the IoT 2

Towards a Software-Defined Network Operating System for the ...

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2015 IEEE 2nd World Forum on Internet of Things (WF-IoT)

作者： Anadiotis, Angelos-Christos G. Galluccio, Laura Milardo, Sebastiano Morabito, Giacomo Palazzo, Sergio Univ Catania CNIT Res Unit Catania Italy Univ Palermo Dipartimento Energia Ingn Informaz & Modelli Mate Palermo Italy

ISBN: (纸本)9781509003662

The heterogeneity characterizing the Internet of Things (IoT) landscape can be addressed by leveraging network operating systems (NOS)s. Current NOS solutions have been developed for traditional infrastructured networks: they do not take the specific features of fundamental IoT components such as wireless sensor and actuator networks into account. Accordingly, in this paper an innovative integrated network operating system for the IoT which is obtained as the evolution of the Open network operating system (ONOS) is proposed. This has been appropriately extended to enhance the recently proposed SDN-WISE platform for supporting SDN in wireless sensor networks and let it interact with standard OpenFlow (OF) switches. The proposed integrated system has been prototyped.

关键词： Software-defined networking IoT network operating system

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QoS-aware network operating system for Software Defined networking with Generalized OpenFlows

QoS-aware Network Operating System for Software Defined Netw...

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13th IEEE/IFIP network Operations and Management Symposium

作者： Jeong, Kwangtae Kim, Jinwook Kim, Young-Tak Yeungnam Univ Grad Sch Dept Informat & Commun Engn Taegu South Korea

ISBN: (纸本)9781467302685

OpenFlow switching and network operating system (NOX) have been proposed to support new conceptual networking trials for fine-grained control and visibility. The OpenFlow is expected to provide multi-layer networking with switching capability of Ethernet, MPLS, and IP routing. NOX provides logically centralized access to high-level network abstraction and exerts control over the network by installing flow entries in OpenFlow compatible switches. The NOX, however, is missing the necessary functions for QoS-guaranteed software defined networking (SDN) service provisioning on carrier grade provider Internet, such as QoS-aware virtual network embedding, end-to-end network QoS assessment, and collaborations among control elements in other domain network. In this paper, we propose a QoS-aware network operating system (QNOX) for SDN with Generalized OpenFlows. The functional modules and operations of QNOX for QoS-aware SDN service provisioning with the major components (e. g., service element (SE), control element (CE), management element (ME), and cognitive knowledge element (CKE)) are explained in detail. The current status of prototype implementation and performances are explained. The scalability of the QNOX is also analyzed to confirm that the proposed framework can be applied for carrier grade large scale provider Internet(1).

关键词： network operating system OpenFlow GMPLS Traffic Engineering QoS

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COMPONENTS OF A network operating system

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COMPUTER networkS AND ISDN systemS 1979年第6期3卷 389-399页

作者： DONNELLEY, J Lawrence Livermore Laboratory Livermore California USA

Recent advances in hardware interconnection techniques for local networks have highlighted the inadequacies in existing software interconnection technology. Though the idea of using a pure message passing operating system to improve this situation is not a new one, in the environment of a mature high speed local network it is an idea whose time has come. A new timesharing system being developed at the Lawrence Livermore Laboratory is a pure message passing system. In this system, all services that are typically obtained directly by a system call (reading and writing files, terminal I/O, creating and controlling other processes, etc.) are instead obtained by communicating via messages with system service processes (which may be local or remote). The motivation for the development of this new system and some design and implementation features needed for its efficient operation are discussed.

关键词： network local network operating system network operating system message protocol distributed

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LOS: A High Performance and Compatible User-level network operating system 1

LOS: A High Performance and Compatible User-level Network Op...

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1st Asia-Pacific Workshop on networking (APNET)

作者： Huang, Yukai Geng, Jinkun Lin, Du Wang, Bin Li, Junfeng Ling, Ruilin Li, Dan Tsinghua Univ Beijing Peoples R China

ISBN: (纸本)9781450352444

With the ever growing speed of Ethernet NIC and more and more CPU cores on commodity X86 servers, the processing capability of the network stack in Linux kernel has become the bottleneck. Recently there is a trend on moving the network stack up to user level and bypassing the kernel. However, most of these stacks require changing the APIs or modifying the source code of applications, and hence are difficult to support legacy applications. In this work, we design and develop LOS, a user-level network operating system that not only gains high throughput and low latency by kernel-bypass technologies but also achieves compatibility with legacy applications. We successfully run Nginx and Net-PIPE on top of LOS without touching the source code, and the experimental results show that LOS achieves significant throughput and latency gains compared with Linux kernel.

关键词： user level network operating system compatability high througput low latency

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AN ARCHITECTURE FOR SUPPORT OF network operating system SERVICES

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COMPUTER networkS AND ISDN systemS 1980年第1期4卷 33-49页

作者： WATSON, RW FLETCHER, JG Lawrence Livermore Laboratory P.O. Box 808 Livermore California 94550 USA

This paper argues that network architectures should be designed with the explicit purpose of creating a coherent network operating system (NOS). The resulting NOS must be capable of efficient implementation as the base (native) operating system on a given machine or machines, or of being layered on top of existing operating systems as a guest system. The goals and elements of a network architecture to support a NOS are outlined. This architecture consists of a NOS model and three layers of protocol: an interprocess communication (IPC) layer, with an end-end protocol and lower sub-layer protocols as needed to support reliable uninterpreted message communication; a service support layer (SSL), abstracting logical structures and needs common to most services, including naming, protection, request/reply structure, and data-type translation, error control; and a layer of standard services, (file, directory, terminal, process, clock, etc.).

关键词： network operating system Distributed operating system Protocols network Architecture Distributed Computing

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Research on reform of "network operating system" curriculum

Research on reform of "Network Operating System" curriculum

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International Conference on Computer Science & Education

作者： Hong-hong Zhang Wei-min Lian Department of Computer Henan Business College Zhengzhou 450044 China

ISBN: (纸本)9781467302418

关键词： curriculum reform network operating system teaching college

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Application of Task-Driven Teaching Model in Skill-Oriented Distance Education—Taking Windows network operating system as an Example

Application of Task-Driven Teaching Model in Skill-Oriented ...

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2014 2nd International Conference on Soft Computing in Information Communication Technology(SCICT 2014)

作者： Canjun Li Xinguo Liu Liqin Xia Song Fang Department of Computer Science Hunan Radio &TV University

Thorough analyzing the problems of traditional skill-oriented distance education and taking Windows network operating system as an example, this paper applies the task-driven teaching method to reconstruct the content of the skill-oriented curriculum, which has achieved decent teaching efficiency. What's more, the problems in the application have been also pointed out.

关键词： task-driven teaching model network operating system teaching

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