2012 16th International Conference on Optical Network Design and Modelling (ONDM)最新文献_第2页

Scheduling techniques in an integrated hybrid node with electronic buffers 带电子缓冲器的集成混合节点调度技术

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210185

R. Veisllari, S. Bjornstad, N. Stol

引用次数: 6

A modular and hierarchically structured techno-economic model for FTTH deployments Comparison of technology and equipment placement as function of population density and number of flexibility points FTTH部署的模块化和分层结构技术经济模型技术和设备放置作为人口密度和灵活性点数量函数的比较

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210218

M. V. D. Wee, K. Casier, Karel Bauters, S. Verbrugge, D. Colle, M. Pickavet

{"title":"A modular and hierarchically structured techno-economic model for FTTH deployments Comparison of technology and equipment placement as function of population density and number of flexibility points","authors":"M. V. D. Wee, K. Casier, Karel Bauters, S. Verbrugge, D. Colle, M. Pickavet","doi":"10.1109/ONDM.2012.6210218","DOIUrl":"https://doi.org/10.1109/ONDM.2012.6210218","url":null,"abstract":"Telecommunications is a domain that is characterized by a constant and rapid evolution. The available bandwidth keeps on increasing as the amount and quality of the offered services grows almost continuously, and it is generally accepted that upgrades towards Fiber-to-the-Home (FTTH) are necessary. FTTH comes in a plentitude of variations, mainly differing between Point-to-Point and Point-to-Multipoint solutions. Several techno-economic calculations comparing these options are available in literature today, but they lack a generic structured calculation and never focus on the impact of the size of the area and population density on the cost of deployment and operations of an FTTH network. This paper will present a flexible, generic model for techno-economic evaluation of an FTTH network that compares different solutions considering equipment type and placement for a broad range of population densities. The outcome of the simulations proofs the versatility of the generic techno-economic calculation approach and show the impact of the tradeoff in equipment placement and distance to the central office.","PeriodicalId":151401,"journal":{"name":"2012 16th International Conference on Optical Network Design and Modelling (ONDM)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116813989","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: 15

Optimal degree of optical circuit switching in IP-over-WDM networks IP-over-WDM网络中光电路交换的最优程度

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210206

Ulrich Menne, C. Raack, R. Wessäly, D. Kharitonov

引用次数: 6

Lightpath fragmentation for efficient spectrum utilization in dynamic elastic optical networks 动态弹性光网络中有效利用光谱的光路碎片化

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210270

A. Pagès, J. Perelló, S. Spadaro

{"title":"Lightpath fragmentation for efficient spectrum utilization in dynamic elastic optical networks","authors":"A. Pagès, J. Perelló, S. Spadaro","doi":"10.1109/ONDM.2012.6210270","DOIUrl":"https://doi.org/10.1109/ONDM.2012.6210270","url":null,"abstract":"The spectrum-sliced elastic optical path network (SLICE) architecture has been presented as an efficient solution for flexible bandwidth allocation in optical networks. An homologous problem to the classical Routing and Wavelength Assignment (RWA) arises in such an architecture, called Routing and Spectrum Assignment (RSA). Imposed by current transmission technologies enabling the elastic optical network concept, the spectrum contiguity constraint must be ensured in the RSA problem, meaning that the bandwidth requested by any connection must be allocated over a contiguous portion of the spectrum along the path between source and destination nodes. In a dynamic network scenario, where incoming connections are established and disconnected in a quite random fashion, spectral resources tend to be highly fragmented, preventing the allocation of large contiguous spectrum portions for high data-rate connection requests. As a result, high data-rate connections experience unfairly increased bocking probability in contrast to low data-rate ones. In view of this, the present article proposes a lightpath fragmentation mechanism that makes use of the idle transponders in the source node of a high data-rate connection request to fragment it into multiple low data-rate ones, more easily allocable in the network. Besides, aiming to support such an operation, a light-weight RSA algorithm is also proposed so as to properly allocate the generated lightpath fragments over the spectrum. Benefits of the proposed approach are quantified through extensive simulations, showing drastically reduced high data-rate connection blocking probability compared to a usual contiguous bandwidth allocation, while keeping the performance of low data-rate requests to similar levels.","PeriodicalId":151401,"journal":{"name":"2012 16th International Conference on Optical Network Design and Modelling (ONDM)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127537543","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: 53

Architecture on Demand: Synthesis and scalability 按需架构:综合和可伸缩性

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210271

M. Garrich, N. A. Gonzalez, G. Zervas, P. Giaccone, D. Simeonidou

引用次数: 34

Adaptive virtual infrastructure planning over interconnected IT and optical network resources using evolutionary game theory 基于进化博弈论的互联IT和光网络资源自适应虚拟基础设施规划

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210210

M. Anastasopoulos, A. Tzanakaki

引用次数: 8

Impact of node clustering on network cost and resource utilization 节点集群对网络成本和资源利用率的影响

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210202

T. Orphanoudakis, A. Drakos, A. Stavdas

引用次数: 0

Cognition to design energetically efficient and impairment aware virtual topologies for optical networks 认知设计能量高效和损伤感知的光网络虚拟拓扑

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210211

N. Fernández, R. Durán, I. Miguel, N. Merayo, D. Sánchez, M. Angelou, J. Aguado, P. Fernández, T. Jiménez, R. Lorenzo, Ioannis Tomkos, E. Abril

引用次数: 19

Overlaying rings onto a mesh network 将环覆盖到网状网络上

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210203

Y. Pointurier

引用次数: 2

Bandwidth and energy savings of locality-aware P2P Content Distribution in next-generation PONs 下一代pon中位置感知P2P内容分发的带宽和能源节约

2012 16th International Conference on Optical Network Design and Modelling (ONDM) Pub Date : 2012-04-17 DOI: 10.1109/ONDM.2012.6210215

E. Pascale, D. Payne, M. Ruffini

{"title":"Bandwidth and energy savings of locality-aware P2P Content Distribution in next-generation PONs","authors":"E. Pascale, D. Payne, M. Ruffini","doi":"10.1109/ONDM.2012.6210215","DOIUrl":"https://doi.org/10.1109/ONDM.2012.6210215","url":null,"abstract":"Content Distribution currently accounts for the vast majority of Internet traffic. Peer-to-Peer represents a scalable and inexpensive strategy to deliver content to end-customers; unfortunately, it poses a sever strain on the network core and generates high costs for service providers. Locality-aware policies have been proposed to tackle these issues, but their effectiveness is limited by the low probability of finding enough peers with the required content. In this work we evaluate the impact of next-generation optical access networks - and specifically their symmetric bandwidth and customer aggregation features - on the feasibility of locality-aware peer-to-peer content distribution schemes. With the aid of a simulation tool, using parameters taken from real-world traces, we show that core traffic can be greatly reduced with respect to traditional centralized, Content Distribution Network (CDN) or locality-aware asymmetric schemes. Relieving the network from part of this load might allow network operators to reduce the switching electronics required at core and metro nodes, thus lowering capital and operational expenditures. An estimation of the power savings that could be achieved through this process is also presented.","PeriodicalId":151401,"journal":{"name":"2012 16th International Conference on Optical Network Design and Modelling (ONDM)","volume":"1199 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121295235","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: 13