NeTS: JUNO: Cost-Effective and Scalable Architectures for Multi-Granular Optical Networks
NeTS: JUNO: Cost-Effective and Scalable Architectures for Multi-Granular Optical Networks
批准号:
1406971
负责人:
Suresh Subramaniam
金额:
$28.23万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2014
资助国家:
美国
项目状态:
已结题
起止时间:
2014-04-01 至 2018-03-31
中文摘要
光网络的覆盖范围已从国家骨干网络扩展到城域和客户接入网络,并且正在进入数据中心。这得益于两个领域的巨大进步:光交换技术,包括可重构光分插复用器和波长选择开关的开发;以及高效的传输方法,能够为应用程序灵活地提供弹性带宽。然而,存在基本的光纤容量限制,这将不可避免地需要在交换节点和更大的交换机之间使用多个并行光纤。切换缩放问题的解决方案是将一些波长或频隙捆绑在一起并将它们作为一个频带进行切换。然而,目前的方法还不够充分,因为技术进步已经使一些研究过时,或者引入了以前从未尝试过的新问题。这个美日联合项目的目标是开发新颖的可扩展且具有成本效益的多粒度交换节点架构,并开发为应用程序提供带宽的有效算法。扩展架构通常会引入某种形式的惩罚,例如网络运营商必须遵守的供应约束。该项目旨在确定哪些功能可以最大程度地降低成本并提高可扩展性,而不会过度限制网络运营商?灵活性。将使用理论分析、模拟和小规模实验来评估架构和算法。通过瞄准光网络成本的重要组成部分,该项目将使光基础设施更快地采用并为所有人提供高速网络。
英文摘要
Optical networks have expanded their reach from national backbone networks to metropolitan and customer access networks, and are making their way into datacenters. This has been made possible due to great strides in two arenas: optical switching technology including the development of reconfigurable optical add-drop multiplexers and wavelength-selective switches; and efficient transmission methods that enable flexible provisioning of elastic bandwidth to applications. Nevertheless, there are fundamental fiber capacity limitations that will inevitably necessitate multiple parallel fibers between switching nodes and larger switches. A solution to the switch-scaling problem is to bundle some of the wavelengths or frequency slots together and switch them as a band. Yet, current methods are inadequate because technological advancements have rendered some of the research obsolete or have introduced new problems that have not been attempted before.The objectives of this joint US-Japan project are to develop novel scalable and cost-effective multi-granular switching node architectures, and to develop efficient algorithms for provisioning bandwidth to applications. Scaling an architecture typically introduces some form of penalty, such as a provisioning constraint, that the network operator must respect. This project will aim at identifying what features bring about the most cost reduction and increase in scalability without overly limiting network operators? flexibility. The architectures and algorithms will be evaluated using theoretical analyses, simulations, and small-scale experiments.By targeting an important component of the cost of optical networks, this project will enable the faster adoption of optical infrastructure and the availability of high-speed networking for all.
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