Enabling Information Centric Networking in IP Networks Using SDN

M. Vahlenkamp, Fabian Schneider, D. Kutscher, J. Seedorf
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引用次数: 47

Abstract

In this paper, we show how to enable Information- Centric Networking (ICN) on existing IP networks, such as ISP or data center networks, using Software-Defined Networking (SDN) functions and control. We describe a mechanism that (i) enables addressing and transfer through non-SDN controlled networks (i. e., the Internet), (ii) allows to identify ICN requests and responses, (iii) decouples forwarding from the object name, (iv) requires neither new or extended network/L3 and transport/L4 protocols nor changes of client and server OS, and (v) supports aggregation of routes inside the SDN controlled network. In addition, the proposed solution is agnostic of the specific ICN protocol in use, and does not require all network elements to be SDN-enabled. It supports advanced ICN routing features like request aggregation and forking, as well as loadbalancing, traffic engineering, and explicit path steering (e. g., through ICN caches). We present the design as well as our first implementation of the proposed scheme-based on the Trema OpenFlow controller-framework and CCNx-along with initial performance measurements showing the feasibility of our approach.
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通过SDN实现IP网络中的信息中心组网
在本文中,我们展示了如何使用软件定义网络(SDN)功能和控制在现有的IP网络(如ISP或数据中心网络)上启用信息中心网络(ICN)。我们描述了一种机制(i)通过非SDN控制的网络(即互联网)实现寻址和传输,(ii)允许识别ICN请求和响应,(iii)从对象名称解耦转发,(iv)不需要新的或扩展的网络/L3和传输/L4协议,也不需要更改客户端和服务器操作系统,以及(v)支持SDN控制的网络内部路由聚合。此外,建议的解决方案与使用的特定ICN协议无关,并且不要求所有网元都启用sdn。它支持高级ICN路由功能,如请求聚合和分叉,以及负载平衡、流量工程和显式路径转向(例如,通过ICN缓存)。我们介绍了设计以及基于Trema OpenFlow控制器框架和ccnx的拟议方案的首次实现,以及显示我们方法可行性的初始性能测量。
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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