| 摘要 |
A system for use in a publish/subscribe messaging system, the publish/subscribe messaging system having: a network, wherein the network has associated network data; and a broker having a matching engine for receiving at least one message from a publisher and for sending the at least one received message to a subscriber over the network. The at least one message has associated size metadata. The system comprises an intercept component for intercepting the at least one received message before sending by the matching engine and a receiving component for receiving the network data and the size metadata. A determining component, responsive to the receiving component, determines an instruction, which comprises a parameter associated with a time period over which the at least one received message is sent to the subscriber by the matching engine. The instruction is determined in accordance with the received network data and the size metadata.
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