满足服务提供商动态QoS需求的资源可控NVE体系结构

M. Shimamura, Hiroaki Yamanaka, Yoshiyuki Uratani, Akira Nagata, S. Ishii, K. Iida, Eiji Kawai, M. Tsuru
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引用次数: 4

摘要

为了适应各种各样的应用服务,网络虚拟化环境(NVE)受到了越来越多的关注。在NVE中,inp (infrastructure provider)利用inp的基板资源向服务提供商(service provider)提供虚拟网络(virtual network),用于服务提供商(service provider)的应用服务。业务提供商在vpn上对拓扑、QoS (quality of Service)及其动态变化有着灵活的需求。为了满足所有这些需求,基于性能保证的传统方法仅依赖于inp是低效的,有时是不可行的,因为它们会导致巨大的运营成本。我们提出了一种架构,在该架构中,服务提供商可以从可用资源中选择适当的资源,并根据其应用程序特征和用户情况动态使用分配的资源来满足其需求。在该架构中,sp可以通过资源控制来提高VN的性能,而inp不需要有任何性能保证的网络。因此,所提出的体系结构可以平衡QoS和资源效率。我们还介绍了所提议的体系结构的基本设计,并展示了使用OpenFlow技术的用例和原型实现。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Architecture for resource controllable NVE to meet service providers' dynamic QoS demands
To accommodate a wide variety of application services, the network virtualization environment (NVE) has received much attention. In an NVE, infrastructure providers (InPs) provide service providers (SPs) with virtual networks (VNs) using the InPs' substrate resources for the SPs' application services. Service providers have flexible requirements of topology, quality of service (QoS), and their dynamic changes on VNs. To meet all these requirements, traditional approaches based on performance guarantee relying only on InPs are inefficient and sometimes infeasible because they result in significant operational cost. We propose an architecture in which SPs can select appropriate resources from available resources and dynamically use the allocated resources depending on their application characteristics and user situations to meet their demands. In the proposed architecture, SPs can improve VN performance through resource control, and InPs are not required to have any performance guaranteed networks. Therefore, the proposed architecture can balance QoS and resource efficiency. We also present the basic design of the proposed architecture and show use cases and a prototype implementation using OpenFlow technologies.
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