Infopipes for composing distributed information flows

  • Authors:
  • Rainer Koster;Andrew P. Black;Jie Huang;Jonathan Walpole;Calton Pu

  • Affiliations:
  • University of Kaiserslautern, Kaiserslautern, Germany;Oregon Health & Science Univ., Portland, Oregon;Oregon Health & Science Univ., Portland, Oregon;Oregon Health & Science Univ., Portland, Oregon;Georgia Institute of Technology, Atlanta, Georgia

  • Venue:
  • M3W Proceedings of the 2001 international workshop on Multimedia middleware
  • Year:
  • 2001

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Abstract

Building applications that process information flows on existing middleware platforms is difficult, because of the variety of QoS requirements, the need for application-specific protocols, and the poor match of the commonly used abstraction of remote invocations to streaming. We propose Infopipes as a high-level abstraction for building blocks that handle information flows. The ability to query individual Infopipe elements as well as composite Infopipes for properties of supported flows enables QoS-aware configuration. Similarly to local protocol frameworks Infopipes provide a flexible infrastructure for configuring communication services from modules, but unlike protocols the abstraction uniformly includes the entire pipeline from source to sink, possibly across process and node boundaries.