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2012 14th Asia-Pacific Network Operations and Management Symposium (APNOMS)最新文献

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Carrier-grade distributed open cloud computing for telecom operators 面向电信运营商的电信级分布式开放云计算
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356069
Dapeng Wang, Jing Li, Kai Xing, Shan Jin, Kevin Liu
In this paper a carrier grade distributed open cloud computing architecture is designed for telecom operators. Different from public cloud service providers, telecom operators combine their network capabilities and cloud infrastructure services together to provide inexpensive but high quality cloud services, with their deep understanding of and strong relationship with individual consumers and enterprise customers. Requirements and challenges, including performance, scalability, SLA management, security, network optimization, and unified management are discussed, and key technologies are figured out accordingly. Cost effective hardware and software configuration, distributed infrastructure deployment model as well as operation process are proposed, and end user experience of cloud based applications such as online game, high definition video will benefit from low latency and high bandwidth of back bone and service delivery network owned by operators.
本文针对电信运营商设计了一种电信级分布式开放云计算架构。与公共云服务提供商不同,电信运营商将其网络能力与云基础设施服务结合在一起,通过对个人消费者和企业客户的深刻理解和牢固关系,提供廉价但高质量的云服务。讨论了性能、可扩展性、SLA管理、安全性、网络优化、统一管理等方面的需求和挑战,并提出了相应的关键技术。提出了具有成本效益的软硬件配置、分布式基础设施部署模式和运营流程,运营商拥有的骨网和业务交付网的低延迟、高带宽将有利于网络游戏、高清视频等云应用的终端用户体验。
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引用次数: 2
An enhanced multi-channel MAC protocol for wireless ad hoc networks 用于无线自组织网络的增强型多通道MAC协议
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356048
Duc Ngoc Minh Dang, Nguyen Tran Quang, C. Hong, Jinpyo Hong
In the wireless ad hoc network, utilizing the multiple channels at Medium Access Control (MAC) layer is on of the key techniques to improve the network performance. It can be done by multi-channel MAC to utilize the channels resource as much as possible. Wireless nodes are usually powered by battery and thus are limited in power capacity. The IEEE 802.11 Power Saving Mechanism (PSM) is used to conserve energy for the ad hoc networks by allowing nodes to enter doze mode when there is no need for data exchange. In this paper, we propose a hybrid and adaptive protocol, named H-MMAC, by adopting IEEE 802.11 PSM. In H-MMAC, nodes exchange control messages on default channel to negotiate the data channel during the ATIM (Ad hoc traffic Indication Message) window. The difference of H-MMAC compared to other multi-channel MAC protocols is that the other nodes can transmit data packets on data channels based on the network traffic load. This means H-MMAC can utilize the channel resources more efficiently. The simulation results show that our proposed H-MMAC improves the network performance significantly in terms of aggregate throughput, average delay and energy efficiency.
在无线自组织网络中,在介质访问控制(MAC)层利用多通道是提高网络性能的关键技术之一。多通道MAC可以最大限度地利用信道资源。无线节点通常由电池供电,因此功率容量有限。IEEE 802.11节能机制(Power Saving Mechanism, PSM)通过允许节点在不需要数据交换时进入休眠模式,为自组织网络节省能源。本文提出了一种基于IEEE 802.11 PSM的混合自适应协议H-MMAC。在H-MMAC中,节点在缺省通道上交换控制消息,以在ATIM (Ad hoc traffic Indication Message)窗口中协商数据通道。H-MMAC与其他多通道MAC协议的不同之处在于,其他节点可以根据网络流量负载在数据通道上传输数据包。这意味着H-MMAC可以更有效地利用信道资源。仿真结果表明,我们提出的H-MMAC在总吞吐量、平均延迟和能源效率方面显著提高了网络性能。
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引用次数: 2
Application traffic identification based on remote subnet grouping 基于远端子网分组的应用流量识别
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356066
J. Chung, Jian Li, Yeongrak Choi, J. W. Hong
Recently, the number of Internet applications available for use on both desktop computers and smartphones has rapidly increased. The Internet traffic generated by these applications has increased significantly as well. Network operators are required to be aware of the status of managed networks in terms of application usage. However, the application traffic observed in a network is dependent on users and the geographical location of the network. As a result, selecting applications that are expected to appear frequently in the network is required as the initial step in the generation of ground-truth traffic and extraction of classifiers. In this paper, we propose a traffic identification methodology for the initial step of the classifier generation procedure. The proposed approach is based on remote subnet grouping, which refers to the collection of the same (or similar) application traffic. We also validate the proposed methodology in terms of completeness, feasibility, and accuracy by using the traffic in a campus network.
最近,可供台式电脑和智能手机使用的互联网应用程序的数量迅速增加。这些应用程序产生的互联网流量也显著增加。网络运营商需要了解所管理网络在应用程序使用方面的状况。然而,在网络中观察到的应用程序流量依赖于用户和网络的地理位置。因此,需要选择预期在网络中频繁出现的应用,作为生成地面真实流量和提取分类器的第一步。在本文中,我们提出了一种流量识别方法,用于分类器生成过程的初始步骤。该方法基于远程子网分组,远程子网分组指的是相同(或类似)应用程序流量的集合。并以校园网为例,验证了该方法的完整性、可行性和准确性。
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引用次数: 3
Data aggregation for Vehicular Ad-hoc Network using particle swarm optimization 基于粒子群算法的车载自组网数据聚合
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356070
M. Shoaib, Wang-Cheol Song
The data aggregation process can be considered a problem of multi-objective optimization which reduces the size of data in such a way that its relevance with original data remains as closer as possible. Data Aggregation is of great importance in Wireless Sensor Networks, Vehicular Ad-hoc Networks to transmit the recorded data in time over low bandwidth. In this regard, data aggregation solutions have been developed; however, their actual usage has been limited, for the reason of low accuracy and high processing time. In this paper, particle swarm optimization (PSO) is used to optimize process of multi-objective data aggregation in vehicular ad-hoc network. In our work processing time for aggregation and aggregation quality have been set as objectives. The proposed method has been compared with state of the art existing aggregation techniques. Experimental results show that our method simplifies aggregation effectively and obtains a higher aggregation accuracy compared to the other data aggregation methods.
数据聚合过程可以被认为是一个多目标优化问题,它减少了数据的大小,使其与原始数据的相关性尽可能接近。在无线传感器网络、车载自组织网络中,数据聚合是实现记录数据在低带宽下及时传输的重要手段。在这方面,已经制订了数据汇总解决办法;然而,由于精度低、加工时间长等原因,其实际应用受到了限制。本文将粒子群算法(PSO)应用于车载自组网中多目标数据聚合过程的优化。在我们的工作中,聚合的处理时间和聚合质量都被设定为目标。所提出的方法已与最先进的现有聚合技术进行了比较。实验结果表明,与其他数据聚合方法相比,该方法有效地简化了聚合,获得了更高的聚合精度。
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引用次数: 14
Proposed IMS Architectures for evaluation QoE of the IPTV service 提出了用于评估IPTV业务QoE的IMS体系结构
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356087
Jhon Edisson Villarreal Padilla, Jae-Oh Lee, Jung Ho Kim
In this paper, we propose three IMS Architectures for evaluation QoE of the IPTV service considering Subjective Measurement; in this case, we added QoE AS, which applies in a periodical time a survey to collect the QoE value, Objective Measurement; in this architecture, we propose collected information about the QoS from the IMS Policy and Charging Control entity, then, We could calculate the QoE value using a mathematical model. Finally, an Automatic Measurement; in this case, we propose an comparison of the videos (the original video and the received video) and according with the results of comparison we could calculate the QoE value. Also in this paper shown how they could be implemented for future works.
本文提出了三种考虑主观度量的IMS体系结构,用于评价IPTV业务的QoE;在这种情况下,我们增加了QoE AS,它适用于在周期性的一次调查中收集QoE值,客观测量;在此体系结构中,我们从IMS策略和收费控制实体中收集有关QoS的信息,然后,我们可以使用数学模型计算QoE值。最后,自动测量;在这种情况下,我们提出对视频(原始视频和接收视频)进行比较,并根据比较结果计算QoE值。此外,本文还展示了如何在未来的工作中实现它们。
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引用次数: 0
Data allocation method considering server performance and data access frequency with consistent hashing 考虑服务器性能和数据访问频率的数据分配方法,采用一致哈希
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356084
Hikotoshi Nakazato, Manabu Nishio, M. Fujiwara
As the network scale expands, operation support system (OSS) will need to handle more data queries and much larger quantities of data. Distributed data storage is a key OSS technology that makes OSS highly scalable and provides high performance. Many data allocation methods have been proposed to achieve load-balancing of servers and a short response time. Consistent hashing is one effective method of data allocation, especially when the number of system devices frequently changes. However, existing methods still cause an unbalanced server load and an increase in response time because consistent hashing does not address server performance. Furthermore, these methods do not consider dynamic changes in data access frequency. We proposes a data allocation method using virtual nodes with consistent hashing that takes server performance and data access frequency into account. Simulation results showed that the proposed method achieves much better load-balancing of servers and a shorter response time than existing methods.
随着网络规模的扩大,操作支持系统(OSS)将需要处理更多的数据查询和更大的数据量。分布式数据存储是OSS的一项关键技术,它使OSS具有高可扩展性和高性能。为了实现服务器的负载均衡和较短的响应时间,已经提出了许多数据分配方法。一致性哈希是一种有效的数据分配方法,特别是在系统设备数量频繁变化的情况下。但是,现有的方法仍然会导致不平衡的服务器负载和响应时间的增加,因为一致散列不能解决服务器性能问题。此外,这些方法没有考虑数据访问频率的动态变化。提出了一种考虑服务器性能和数据访问频率的基于一致性哈希的虚拟节点数据分配方法。仿真结果表明,与现有方法相比,该方法具有更好的服务器负载均衡和更短的响应时间。
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引用次数: 4
Design of the mitigation information network in urban area 城市区域减灾信息网络的设计
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356096
Akito Takashi, Syou Yamamoto, K. Asatani, O. Mizuno
In Japan, major earthquakes are predicted to occur in the metropolitan area. In the time of such a disaster, communication systems will play an important role to transfer mitigation information such as instruction for people to move the evacuate area and for contractors to recover city functions. However, mitigation information may be unable to transfer smoothly, because of telecom infrastructure damage and conflicting information. Objective of this research is to clarify system requirements in order to build the mitigation network using wireless LAN systems. Use cases for network design are created based on reports and actions of public organizations when the great East Japan earthquake was happened. We propose the mitigation information network composed of three sub networks; the long-distance wireless LAN for connecting to the backup station in non-disaster area, the midrange wireless LAN for connecting between countermeasures offices, the information gathering and distribution network in disaster area. In order to decide specification of wireless systems and position of antenna, we measure throughput of 2.5GHz and 4.9GHz band between Shinjuku and Hachioji for the long-distance wireless LAN. Also we measure throughput of 4.9GHz band in Nishi-Shinjuku area, where is forest of tall buildings, for the information gathering and distribution network. The mitigation network will be built with these results.
在日本,预计大地震会发生在首都地区。在这种灾难发生时,通信系统将在传递缓解信息方面发挥重要作用,例如指示人们转移疏散区域和指示承包商恢复城市功能。然而,由于电信基础设施受损和信息冲突,缓解信息可能无法顺利传递。本研究的目的是明确系统需求,以便利用无线局域网系统构建缓解网络。网络设计的用例是根据东日本大地震发生时公共组织的报告和行动创建的。提出了由三个子网络组成的缓解信息网络;用于连接非灾区备份站的远程无线局域网,用于连接对策办公室、灾区信息采集和分发网络的中距离无线局域网。为了确定无线系统的规格和天线的位置,我们测量了新宿和八路之间2.5GHz和4.9GHz频段的长距离无线局域网吞吐量。我们还测量了西新宿地区4.9GHz频段的吞吐量,该地区是高楼林立的地区,用于信息采集和分发网络。将利用这些成果建立缓解网络。
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引用次数: 1
A load balancing algorithm with QoS support over heterogeneous wireless networks 在异构无线网络上支持QoS的负载均衡算法
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356061
Md. Golam Rabiul Alam, C. Hong, S. I. Moon, E. Cho
Coexistence of different wireless networks is a common phenomenon in today's smart communication infrastructure. Now, the big issue is to explore benefits from the heterogeneous nature of communication technology. Load balancing among the heterogeneous wireless networks is the primary goal of this paper. Load balancing without considering Quality of Service (QoS) merely inadequate in convergence of resource utilization and grade of service. So, this paper proposed a load balancing algorithm with QoS provisioning. This paper is based on a semi-distributed load balancing architecture. Firstly, IP-flow dividing ratio based soft load balancing approach is discussed for high speed features of next generation wireless networks. Secondly, an admission control function of QoS requirements is developed. Thirdly, a joint optimization function is derived and a load balancing algorithm is proposed by using the cost function. Finally, simulation results are presented for performance appraisal.
不同无线网络共存是当今智能通信基础设施的普遍现象。现在,最大的问题是如何从通信技术的异构特性中挖掘益处。异构无线网络的负载均衡是本文研究的主要目标。不考虑服务质量(QoS)的负载均衡在资源利用和服务等级的融合方面存在不足。为此,本文提出了一种具有QoS提供的负载均衡算法。本文基于一种半分布式负载均衡架构。首先,针对下一代无线网络的高速特性,讨论了基于ip流分割率的软负载均衡方法。其次,开发了QoS需求的准入控制功能。第三,推导了联合优化函数,并利用代价函数提出了一种负载均衡算法。最后,给出了性能评估的仿真结果。
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引用次数: 4
An image-based annotation technique to overlay users' knowledge on existing systems 一种基于图像的注释技术,将用户的知识覆盖在现有系统上
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356082
Yuto Kawabata, K. Nishikawa, T. Masuda, Ikuya Takahashi
We propose an interactive annotation system that allows users to obtain operational knowledge from annotations that are automatically drawn on top of specific Operation Support System (OSS) windows. Currently it is difficult for OSS users to share knowledge because they lack efficient tools to express and share the knowledge. Our proposal rectifies this omission by allowing users to create, update and read the annotations supplied by others. It creates a knowledge exchange environment that is extremely efficient since the annotations are overlaid on OSS windows; the users do not have to waste time searching formal documents such as user manuals and the latest knowledge is made available. The proposal offers the following innovations: 1) Users can create useful annotations while working 2) Users can alter/update annotations interactively, and 3) Knowledge pooling is realized by a central annotation database. The technical advantages of the proposal are confirmed by tests performed on a prototype. This paper describes the proposed method and practicability in actual use-cases.
我们提出了一个交互式注释系统,允许用户从特定操作支持系统(OSS)窗口上自动绘制的注释中获取操作知识。目前,由于缺乏表达和共享知识的有效工具,OSS用户很难实现知识共享。我们的建议通过允许用户创建、更新和阅读其他人提供的注释来纠正这一遗漏。它创建了一个知识交换环境,这是非常有效的,因为注释是覆盖在OSS窗口;用户不必浪费时间搜索用户手册等正式文档,并且可以获得最新的知识。该方案提供了以下创新点:1)用户可以在工作时创建有用的注释;2)用户可以交互式地更改/更新注释;3)通过中央注释数据库实现知识池。在样机上进行的试验证实了该方案的技术优势。本文描述了该方法在实际用例中的实用性。
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引用次数: 1
Web application virtualization for IPTV IPTV的Web应用虚拟化
Pub Date : 2012-11-26 DOI: 10.1109/APNOMS.2012.6356054
Ki-Hoon Lee, Dong-Hoon Kim, Gyu-Tae Baek
The convergence of the web and TV has already begun. Connecting TV with the web offers tremendous opportunities for commerce, entertainment, and social networking. However, web applications are too heavy for legacy IPTV set-top boxes (STBs) since legacy STBs have low computing power and small memory. In this paper, we propose web application virtualization for legacy STBs. In this architecture, web applications are running remotely on the cloud platform, and the visual output is streamed to the STBs. We present the virtualization architecture and issues for future developments.
网络和电视的融合已经开始。将电视与网络连接为商业、娱乐和社交网络提供了巨大的机会。但是,由于传统的IPTV机顶盒(stb)计算能力低,内存小,因此web应用程序对于传统的IPTV机顶盒(stb)来说太重了。在本文中,我们提出了针对传统机顶盒的web应用程序虚拟化。在这种架构中,web应用程序在云平台上远程运行,可视化输出流传输到机顶盒。我们介绍了虚拟化架构和未来发展的问题。
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引用次数: 2
期刊
2012 14th Asia-Pacific Network Operations and Management Symposium (APNOMS)
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