Limiting proxy subscription propagation in a publish/subscribe message broker network
US8135594B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2009 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | Aug 2, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q10/06
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
In a method of controlling a network of interconnected publish/subscribe message brokers for routing publications from a plurality of publishers to interested subscribers, each message broker is arranged to receive publications from publishers both directly and via other brokers and to receive subscriptions and unsubscriptions from subscribers and other brokers for publications meeting predefined criteria identified in the subscriptions or unsubscriptions. Each broker creates and manages a list correlating subscribers with the predefined criteria. It then matches received publications with the subscription list and forwards publications which match listed subscriptions which are in an active state to interested subscribers and interested other brokers in the list. Also, in response to received subscriptions and unsubscriptions, each broker generates and forwards proxy subscriptions and proxy unsubscriptions to other brokers. Each broker establishes a retention period for subscriptions. Then, in response to receipt of an unsubscription from a subscriber or a proxy unsubscription from another broker, it retains the corresponding subscription in a retained state for the retention peri…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.