Content-Based Networking: A New Communication Infrastructure

  • Authors:
  • Antonio Carzaniga;Alexander L. Wolf

  • Affiliations:
  • -;-

  • Venue:
  • IMWS '01 Revised Papers from the NSF Workshop on Developing an Infrastructure for Mobile and Wireless Systems
  • Year:
  • 2001

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Abstract

We argue that the needs of many classes of modern applications, especially those targeted at mobile or wireless computing, demand the services of content-based publish/subscribe middleware, and that this middleware in turn demands a new kind of communication infrastructure for its proper implementation. We refer to this new communication infrastructure as content-based networking. The service model of this network must directly support the interface of an advanced content-based publish/subscribe middleware service. At the same time, the implementation must be architected as a true distributed network, providing appropriate guarantees of reliability, security, and performance. We do not propose content-based networking as a replacement for IP, nor do we advocate an implementation of a publish/subscribe middleware at the network level (i.e., within routers). Instead, we argue that content-based networking must be designed according to established networking principles and techniques. To this end, in this paper, we formulate the foundational concepts of content-based networking, and relate them to the corresponding concepts in traditional networking. We also briefly review our experience with content-based publish/subscribe middleware and suggest some open research problems in the area of content-based networking.