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Encyclopedia of Database Systems pp 1359–1360Cite as

Event Channel

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  • First Online:

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Synonyms

Event connection; Event pathway; Event topic

Definition

An event channel is a routing node in the event processing network that receives events from event sources and event processing agents, and route them to event sinks and event processing agents.

Key Points

An event channel [2] is the main routing vehicle in the event processing network; it is being used to enable loosely coupled architecture, in which the event producer and event consumer does not have any dependency among them [1]. An event channel receives an event (in push or pull) from an event source or from an event processing agent, and makes routing decisions. The routing decision may be of several types:

  1. 1.

    Itinerary based routing: the consumers are explicitly specified within the event content.

  2. 2.

    Subscription based routing: using a “callback” protocol, the consumer subscribes to events on the channel.

  3. 3.

    Intelligent routing: a decision process is activated to decide on the event consumers.

  4. 4.

    Calendar based...

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Recommended Reading

  1. Crowcroft J. Channel islands in a reflective ocean: large scale event distribution in heterogeneous networks. In: Proceedings of 2nd International IFIP-TC6 Networking Conference; 2002. p. 1–9.

    Article  Google Scholar 

  2. Luckham D, Schutle R, editors. EPTS event processing glossary version 1.1. http://complexevents.com/?p = 409

  3. Sharon G, Etzion O. Event processing network: model and implementation. IBM Syst J. 2008;47(2):321–34.

    Article  Google Scholar 

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Author information

Authors and Affiliations

  1. IBM Software Group, IBM Haifa Labs, Haifa University Campus, Haifa, Israel

    Opher Etzion

Authors
  1. Opher Etzion
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Corresponding author

Correspondence to Opher Etzion .

Editor information

Editors and Affiliations

  1. Georgia Institute of Technology College of Computing, Atlanta, GA, USA

    Ling Liu

  2. University of Waterloo School of Computer Science, Waterloo, ON, Canada

    M. Tamer Özsu

Section Editor information

  1. IBM Software Group, IBM Haifa Labs, Haifa, Israel, Israel

    Opher Etzion

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Cite this entry

Etzion, O. (2018). Event Channel. In: Liu, L., Özsu, M.T. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8265-9_588

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