Integrating Complex Legacy Systems under OpenFlow Control: The DOCSIS Use Case

2014 Third European Workshop on Software Defined Networks Pub Date : 2014-09-01 DOI:10.1109/EWSDN.2014.35

Victor Fuentes, J. Matías, A. Mendiola, Maider Huarte, J. Unzilla, E. Jacob

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引用次数: 8

Abstract

The possibility to deploy telecommunication services based on the availability of a fully flow-aware network is an appealing possibility. Concepts like Network Service Chaining and Network Function Virtualization expect the information to be manageable at the flow level. But, for this concept to be available for the development of user-centric applications, the access network should also be made flow-aware. In this paper we present the integration of a legacy DOCSIS based access network under an OpenFlow Control Framework by using the Hardware Abstraction Layer designed in the FP7 ALIEN project. The result is a dynamic wide area OpenFlow switch that spawns from the aggregation switch to the home equipment and hides all the complexity (including the provisioning) of the access technology to an unmodified and standard OpenFlow controller. As a result, the access network can react not only to any kind of user traffic but also to the connection of CPE to the network. The approach used is technology independent, and the results have been successfully demonstrated over a Cisco based DOCSIS access network.

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在OpenFlow控制下集成复杂的遗留系统:DOCSIS用例

基于完全流感知网络的可用性来部署电信服务的可能性是一种吸引人的可能性。像网络服务链和网络功能虚拟化这样的概念期望信息在流级别上是可管理的。但是，为了使这个概念能够用于以用户为中心的应用的开发，接入网也应该具有流感知。在本文中，我们通过使用FP7 ALIEN项目中设计的硬件抽象层，在OpenFlow控制框架下集成了基于DOCSIS的传统接入网。其结果是一个动态的广域OpenFlow交换机，它从汇聚交换机衍生到家庭设备，并将访问技术的所有复杂性(包括配置)隐藏到一个未经修改的标准OpenFlow控制器中。因此，接入网不仅可以响应任何类型的用户流量，还可以响应CPE到网络的连接。所采用的方法是技术独立的，其结果已成功地在基于Cisco的DOCSIS接入网上进行了验证。

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

2014 Third European Workshop on Software Defined Networks

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