NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium最新文献_第8页

Live distributed controller migration for software-defined data center networks 软件定义数据中心网络的实时分布式控制器迁移

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406207

Woo-Jae Kim, J. W. Hong, Young-Joo Suh

引用次数: 1

Dynamic video bitrate adaptation for WebRTC-based remote teaching applications 基于webbrtc的远程教学应用的动态视频比特率适配

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406217

Stefano Petrangeli, Dries Pauwels, Jeroen van der Hooft, Jürgen Slowack, T. Wauters, F. Turck

{"title":"Dynamic video bitrate adaptation for WebRTC-based remote teaching applications","authors":"Stefano Petrangeli, Dries Pauwels, Jeroen van der Hooft, Jürgen Slowack, T. Wauters, F. Turck","doi":"10.1109/NOMS.2018.8406217","DOIUrl":"https://doi.org/10.1109/NOMS.2018.8406217","url":null,"abstract":"Remote teaching applications are common nowa-days. Very often, these applications resemble video-on-demand streaming platforms rather than real virtual classrooms, where a group of students (the receivers) can remotely attend a live lecture held by a lecturer (the sender). To better support this live scenario, Real-Time Communication (RTC) solutions can be used. WebRTC is an open-source project for real-time browser- based conferencing, developed with a peer-to-peer architecture in mind. To use WebRTC, each receiver requires a dedicated encoder at sender-side. Using such approach is expensive in terms of encoders, and does not scale well for a large number of users. To overcome this issue, a WebRTC-compliant framework is proposed, where only a limited number of encoders are used. A centralized node, the conference controller, dynamically forwards the most suitable stream to the receivers, based on their bandwidth conditions. Moreover, the controller dynamically recomputes the encoding bitrates of the sender. This approach allows to closely follow the long-term bandwidth variations of the receivers, even with a limited number of encoders at sender-side. To evaluate the performance of the proposed framework in a realistic environment, a testbed has been implemented using the Chrome browser and the open-source Jitsi-Videobridge. In a scenario with 10 receivers and 3 encoders, and under realistic network conditions, the proposed framework improves the received video bitrate up to 11%, compared to a static solution where the encoding bitrates do not change over time.","PeriodicalId":19331,"journal":{"name":"NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74114604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Rapid prototyping of flow-based detection methods using complex event processing 使用复杂事件处理的基于流的检测方法的快速原型

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406121

P. Velan, M. Husák, Daniel Tovarnák

引用次数: 2

Decomposition-based VNF placement algorithm in TDM-WDM-based optical aggregation network tdm - wdm光汇聚网络中基于分解的VNF放置算法

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406160

T. Miyamura, A. Misawa, J. Kani

{"title":"Decomposition-based VNF placement algorithm in TDM-WDM-based optical aggregation network","authors":"T. Miyamura, A. Misawa, J. Kani","doi":"10.1109/NOMS.2018.8406160","DOIUrl":"https://doi.org/10.1109/NOMS.2018.8406160","url":null,"abstract":"In this paper, we consider the design of an optical aggregation network with network edge functions virtualization in order to reduce network cost. Here, an optical aggregation network connects a server accommodating virtual network functions (VNFs) with optical line terminals (OLTs) via a time-division-multiplexing (TDM)-based point-to- multipoint (P2MP) wavelength path to aggregate traffic from access networks. Each VNF must be placed on an adequate server in consideration of the efficiency of wavelength paths to reduce network cost. However, existing VNF placement algorithms determines VNF placement without considering the efficiency of P2MP wavelength paths, which deteriorates network performance and increases network cost. To solve the problem, VNF placement must be carried out so that a P2MP wavelength path can be efficiently shared by multiple OLTs for reducing network cost. For this purpose, we propose a VNF placement algorithm, called decomposition-based VNF placement algorithm (DVA), in a TDM wavelength-division-multiplexing (WDM)-based optical aggregation network. The DVA can find approximate solutions of sufficient quality with practical computation time.","PeriodicalId":19331,"journal":{"name":"NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84571332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Fogernetes: Deployment and management of fog computing applications 雾计算:雾计算应用程序的部署和管理

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406321

Cecil Wöbker, A. Seitz, Harald Mueller, B. Brügge

{"title":"Fogernetes: Deployment and management of fog computing applications","authors":"Cecil Wöbker, A. Seitz, Harald Mueller, B. Brügge","doi":"10.1109/NOMS.2018.8406321","DOIUrl":"https://doi.org/10.1109/NOMS.2018.8406321","url":null,"abstract":"Devices used in fog and edge computing are heterogeneous and distributed. These computing environments are unpredictable and their applications are becoming more complex. This leads to challenges regarding deployment and management of fog and edge applications. It is important to ensure that quality of service, availability, reliability and real-time characteristics are guaranteed during deployment to take advantage of fog computing. In this paper, we present Fogernetes, a fog computing platform that enables management and deployment of fog applications with specific requirements on heterogeneous devices with different capabilities. Fogernetes allows matching the requirements of application components with device capabilities by using a labeling system. Based on a case study, we evaluate and test Fogernetes and examine its practical applicability for the deployment and management of fog computing applications. Fodeo serves as an example application. Fodeo analyzes video streams from multiple cameras and optimizes the video delivery. Fogernetes enables the deployment of Fodeo components on appropriate devices by matching requirements and capabilities.","PeriodicalId":19331,"journal":{"name":"NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89038427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 47

An adaptive data placement strategy in scientific workflows over cloud computing environments 云计算环境下科学工作流中的自适应数据放置策略

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406191

Heewon Kim, Yoonhee Kim

{"title":"An adaptive data placement strategy in scientific workflows over cloud computing environments","authors":"Heewon Kim, Yoonhee Kim","doi":"10.1109/NOMS.2018.8406191","DOIUrl":"https://doi.org/10.1109/NOMS.2018.8406191","url":null,"abstract":"Data of scientific workflow applications are tend to be distributed over many data centers to be effectively stored, retrieved, and transferred among them. The result of an experiment with those data shows diverse execution performance depending on the placement of input and intermediate data which are generated during application execution. However, initial data placement strategy would not be the best plan for long running experiments because of the dynamic change of resource condition time to time. We propose an adaptive data placement strategy considering dynamic resource change for efficient data-intensive applications. The strategy consists of two stages that group the datasets in data centers during the build- time stage and dynamically clusters every time newly generated datasets repeatedly to the most appropriate data centers during runtime stage, which is based on task dependency, intense degree of data usage, and just-in-time resource availability. Just-in-time data placement coming with task execution is more efficient than the one with initialization stage of experiments in the aspect of resource utilization. Experiments show that data movement can be effectively reduced while the workflow is running","PeriodicalId":19331,"journal":{"name":"NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91469487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 11

OpenFlow-based virtual TAP using open vSwitch and DPDK 基于openflow的虚拟TAP，使用open vSwitch和DPDK

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406232

Seyeon Jeong, Doyoung Lee, Jian Li, J. W. Hong

{"title":"OpenFlow-based virtual TAP using open vSwitch and DPDK","authors":"Seyeon Jeong, Doyoung Lee, Jian Li, J. W. Hong","doi":"10.1109/NOMS.2018.8406232","DOIUrl":"https://doi.org/10.1109/NOMS.2018.8406232","url":null,"abstract":"Currently, server (host) virtualization technology that brings effective use of server resources to a data center is promising as cloud services are being prevalent with increasing traffic volumes and requirements for higher service quality. Proposed network TAP, named vTAP (Virtual Test Access Port), overcomes the problem that existing hardware TAP devices cannot be utilized for virtual network links to monitor traffic among virtual machines (VMs) at a packet level. vTAP can be implemented by a virtual switch that gives network connectivity to VMs by switching packets over the virtual network links. The port mirroring feature of a virtual switch can be a naive solution to provide packet level monitoring among VMs. However, using the feature in an environment that needs to treat large volume of network traffic with low delay such as NFV (Network Function Virtualization) incurs performance degradation in packet switching capability of the switch and error-prone manual configurations. This paper provides design and implementation approaches to vTAP using Open vSwitch with DPDK (Data Plane Development Kit) and an OpenFlow SDN (Software-Defined Networking) controller to overcome the problems. DPDK can accelerate overall packet processing operations needed in vTAP, and OpenFlow controller can provide a centralized and flexible way to apply and manage TAP policies in an SDN network. This paper also provides performance comparisons of the proposed vTAP and the naive method, port mirroring.","PeriodicalId":19331,"journal":{"name":"NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91015858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

An adaptation aware hybrid client-cache approach for video delivery with dynamic adaptive streaming over HTTP 一种具有自适应意识的混合客户端缓存方法，用于通过HTTP进行动态自适应流的视频传输

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406210

Sheyda Kiani Mehr, Parikshit Juluri, M. Maddumala, D. Medhi

引用次数: 6

Evaluation of the node importance in power grid communication network and analysis of node risk 电网通信网络中节点重要性评价与节点风险分析

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406214

Menghan Zhou, Lanlan Rui, Xue-song Qiu, Zhen Xia, Biyao Li

引用次数: 7

Streaming Botnet traffic analysis using bio-inspired active learning 流式僵尸网络流量分析使用生物启发的主动学习

NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium Pub Date : 2018-04-23 DOI: 10.1109/NOMS.2018.8406293

Sara Khanchi, A. N. Zincir-Heywood, M. Heywood

引用次数: 6