The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 02, 2001
Filed:
Dec. 29, 1998
John Michael Knapman, Eastleigh, GB;
Michael Wayne Young, Pittsburg, PA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
In a publish/subscribe data processing broker network having a plurality of broker data processing apparatuses, each of which has an input for receiving published messages directly from a publisher application and/or receiving subscription data directly from a subscriber application, and each of which having a means for receiving a published message on a first topic and assigning a broker-specific sequence number to the received message; a first broker apparatus has: a software unit for determining a failure of a neighboring broker apparatus which has provided published messages on the first topic to the first broker apparatus; and a software unit for sending historic resubscriptions with respect to the first topic to each antecedent broker apparatus of the failed neighboring broker apparatus by using the broker-specific sequence number corresponding to each antecedent broker apparatus.