A model of SDN controllers supporting for processing of flows based on the IMS

2015 17th Asia-Pacific Network Operations and Management Symposium (APNOMS) Pub Date : 2015-09-28 DOI:10.1109/APNOMS.2015.7275347

Zeqi Liu, Jung Ho Kim, Jae-Oh Lee

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引用次数: 3

Abstract

The IP Multimedia Subsystem (IMS) is a kind of Multimedia business form and it is an architectural framework for delivering IP multimedia services. In order to increase flexibility and reliability, in this paper we propose a different perspective which maintains the existing IP Multimedia Subsystem (IMS) based signaling platform while processing flow via distributed SDN controllers. Software Define Network (SDN) requires some methods for the control plane to communicate with the data plane. One such mechanism is OpenFlow which is a standard interface for controlling computer networking switches. The OpenFlow protocol can manage resources by slicing them in a virtualized manner and that aspect of the OpenFlow protocol can be integrated in an IMS infrastructure. Under such infrastructure, the IMS is considered to correlate with the OpenFlow controller, and the OpenFlow controller will be able to dynamically reroute the traffic to alternate network resources, or a different `network slice' in cases of congestion or applying QoS in the IMS networks through the IMS policy network.

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一种支持基于IMS的流处理的SDN控制器模型

IP多媒体子系统(IMS)是一种多媒体业务形式，是提供IP多媒体业务的体系结构框架。为了提高系统的灵活性和可靠性，本文提出了一种新的方案，即保持现有的基于IP多媒体子系统(IMS)的信令平台，同时通过分布式SDN控制器处理数据流。软件定义网络(SDN)要求控制平面和数据平面之间有一定的通信方式。OpenFlow就是这样一种机制，它是控制计算机网络交换机的标准接口。OpenFlow协议可以通过以虚拟化的方式对资源进行切片来管理资源，并且OpenFlow协议的这一方面可以集成到IMS基础架构中。在这样的基础结构下，IMS被认为与OpenFlow控制器相关联，OpenFlow控制器将能够动态地将流量重新路由到备用网络资源，或者在拥塞的情况下，通过IMS策略网络在IMS网络中应用QoS，将流量重新路由到不同的“网络片”。

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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2015 17th Asia-Pacific Network Operations and Management Symposium (APNOMS)

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