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Hierarchical publish/subscribe system performed by multiple central relays

  • US 9,569,753 B2
  • Filed: 06/27/2012
  • Issued: 02/14/2017
  • Est. Priority Date: 10/30/2009
  • Status: Active Grant
First Claim
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1. A method for transmitting messages in a publish/subscribe message system, the method comprising:

  • receiving, at a central relay of a first group of more than one co-located central relays, a subscription request from a first remote relay on behalf of a first client;

    recording, at the central relay of the first group, subscription information of the first client based on the subscription request;

    receiving, at the central relay of the first group of more than one co-located central relays, a publication request from a second remote relay on behalf of a second client, wherein the publication request includes a message;

    recording, at the central relay, publication information from the message;

    transmitting, by the central relay, the publication information to other members of the first group of co-located central relays and to each member of second group of more than one co-located central relays in a different geographic location than the first group; and

    transmitting the message to the first client.

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