A model to select the right infrastructure abstraction for Service Function Chaining

2016 IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN) Pub Date : 2016-11-01 DOI:10.1109/NFV-SDN.2016.7919503

Thomas Soenen, Sahel Sahhaf, W. Tavernier, Pontus Sköldström, D. Colle, M. Pickavet

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引用次数: 10

Abstract

Through network function virtualization (NFV), telecom providers aim to flexibly re-use generic-purpose hardware to provide services on-demand and in an agile way. Service function chaining is becoming the preferred model to describe the characteristics of the packet-processing network functions which, together, form these services. NFV allows for network function embedding freedom, creating new dynamics between providers and the users requesting services. Users want this freedom to optimise the performance of their requested services, while providers aim to optimise their resource cost with it. This trade-off is heavily influenced by how the available infrastructure is exposed to the users. In this paper, we present an infrastructure abstraction model for network, compute and storage resources that exposes the infrastructure in an abstracted manner. We use this abstraction to propose a solution for the placement freedom trade-off problem by studying its relation with metrics that capture both the user's and the provider's aspects. We conclude with a heuristic that determines the right abstraction for particular scenarios.

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为服务功能链选择正确的基础结构抽象的模型

通过网络功能虚拟化(network function virtualization, NFV)，电信运营商旨在灵活重用通用硬件，以灵活的方式按需提供业务。业务功能链正在成为描述分组处理网络功能特征的首选模型，这些功能共同构成了这些业务。NFV允许网络功能嵌入自由，在提供商和请求服务的用户之间创建新的动态。用户希望这种自由来优化他们所请求的服务的性能，而提供商的目标是利用这种自由来优化他们的资源成本。这种权衡很大程度上受到可用基础设施向用户公开的方式的影响。在本文中，我们提出了一个网络、计算和存储资源的基础设施抽象模型，以抽象的方式公开基础设施。我们使用这个抽象来提出放置自由权衡问题的解决方案，通过研究它与捕获用户和提供者方面的度量的关系。我们以确定特定场景的正确抽象的启发式来结束。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2016 IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)

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