| 摘要 |
A system and method for messaging subscription management by subscribing a subscriber to a publisher, providing a broker brokering message flow between the publisher and the subscriber whereby the publisher publishes information to the broker which then forwards the information to the subscriber, and filtering messages whereby any messages not originating from the publisher are filtered out. The filtering may comprise modifying at the publisher a filter supplied by the subscriber and sending the modified filter to the broker, or may comprise modifying at the subscriber a filter and sending the modified filter to the broker.
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