×

Managing topical overlap during publication and subscription

  • US 8,849,754 B2
  • Filed: 10/17/2006
  • Issued: 09/30/2014
  • Est. Priority Date: 10/19/2005
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for managing subscriptions to topics and topic sets in a publish/subscribe system, comprising:

  • in response to a subscribe request for a subscriber,identifying a first topic or topic set, andstoring, as a positive subscription, an identifier of the first topic or topic set;

    in response to an unsubscribe request for the subscriber, the unsubscribe request identifying a second topic or topic set that partially overlaps the identified first topic or topic set,storing, as a negative subscription, an identifier of the second topic or topic set;

    andidentifying which received publications to forward to the subscriber by comparing topics of the received publications with stored identifiers of topics and topic sets of both the positive subscription and the negative subscription.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×