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    • 2. 发明申请
    • System and method for subscription management in a messaging system
    • 消息系统中订阅管理的系统和方法
    • US20070061815A1
    • 2007-03-15
    • US11336248
    • 2006-01-20
    • Stephen GrahamPeter NiblettStephen Todd
    • Stephen GrahamPeter NiblettStephen Todd
    • G06F9/46
    • G06F9/546G06F9/542G06F2209/542G06F2209/544G06F2209/547
    • A system (200; 300) and method for messaging subscription management by subscribing a subscriber (210; 310) to a publisher (215; 315), providing a broker (220; 320) 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 (227) at the publisher a filter supplied by the subscriber and sending the modified filter to the broker, or may comprise modifying (312) at the subscriber a filter and sending the modified filter to the broker. This gives the behaviour of a direct subscription model, while making use of the efficiencies provided by the brokered model. It allows publishers to offload responsibility for subscription management and message distribution to a broker service, and it can reduce the number of logical connections from n*m to become n+m instead. Subscribers and message sinks are completely unaware that a broker is being used.
    • 一种用于通过向发布者(215; 315)订阅订户(210; 310)来发送订阅管理的系统(200; 300)和方法,提供代理(220; 320)在所述发布者和所述用户之间经纪交换消息流, 发行人向信息人发布信息,然后将信息转发给用户,并过滤消息,从而过滤掉不是源自发布者的任何消息。 过滤可以包括在发布者处修改(227)由订户提供的过滤器并将修改的过滤器发送到代理,或者可以包括在订户处修改(312)过滤器并将修改的过滤器发送到代理。 这样可以提供直接订阅模式的行为,同时利用经纪人模型提供的效率。 它允许发布者将订阅管理和消息分发的责任卸载到代理服务,并且可以将从n * m变为n + m的逻辑连接数减少。 订阅者和消息接收器完全不知道正在使用代理。