Coexist: a hybrid approach for content oriented publish/subscribe systems

  • Authors:
  • Jiachen Chen;Mayutan Arumaithurai;Xiaoming Fu;K.K. Ramakrishnan

  • Affiliations:
  • University of Goettingen, Goettingen, Germany;University of Goettingen, Goettingen & NEC Laboratories Europe, Heidelberg, Germany;University of Goettingen, Goettingen, Goettingen, Germany;AT&T Labs-Research, Florham Park, NJ, USA

  • Venue:
  • Proceedings of the second edition of the ICN workshop on Information-centric networking
  • Year:
  • 2012

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Abstract

Content Centric Networking (CCN) is a new paradigm that addresses the gap between the content-centric needs of a user and the current widespread location-centric IP network architecture. In this paper, we propose a hybrid content centric architecture based on our pub/sub enhancement to CCN, Content-Oriented Publish/Subscribe System (COPSS). Our hybrid architecture (hybrid-COPSS) addresses both the need for incremental deployment of CCN and also elegantly combines the functionality of content centric networks and the efficiency of IP forwarding. Our architecture integrates IP multicast to achieve forwarding efficiency by taking advantage of shortest path routing. To overcome the lack of inter-domain IP multicast, hybrid-COPSS uses COPSS multicast with shortcuts as an overlay and IP multicast as the underlay to achieve inter-domain COPSS multicast. To demonstrate the benefits of our hybrid-COPSS architecture, we study its applicability for online gaming, which typically requires low latency. We use a gaming trace in our lab test-bed and microbenchmark the forwarding performance and queuing for a pure COPSS (representative of a pure CCN) based network versus hybrid-COPSS. Also, a large scale simulation (parameterized by the microbenchmark) on a representative ISP topology was used to evaluate the response latency and aggregate network load for the multi-player online gaming scenario. Our preliminary results show that hybrid-COPSS performs better in terms of response latency compare to pure COPSS in a single domain. In a multi-domain environment, hybrid-COPSS can significantly reduce inter-domain traffic while causing only a small increase in the average response latency.