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:
Mar. 05, 2013
Filed:
Jun. 11, 2008
Sumeer K. Bhola, New York, NY (US);
Daniel C. Sturman, Los Altos, CA (US);
Yuanyuan Zhao, Tarrytown, NY (US);
Sumeer K. Bhola, New York, NY (US);
Daniel C. Sturman, Los Altos, CA (US);
Yuanyuan Zhao, Tarrytown, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Improved access control techniques for distributed messaging systems such as content-based publish/subscribe systems are disclosed. For example, a method for providing access control in a content-based publish/subscribe system, wherein messages are delivered from publishing clients to subscribing clients via a plurality of brokers, includes the following steps/operations. One or more changes to an access control policy are specified. An access control version identifier is associated to the one or more changes. The one or more changes are sent to one or more brokers of the plurality of brokers that have a publishing client or a subscribing client associated therewith that is affected by the one or more changes. The access control version identifier associated with the one or more changes is sent to each of the plurality of brokers.