Method for updating status information of data stream, system and equipment thereof

The invention discloses a method for updating status information of a data stream, a system and equipment thereof. The method mainly comprises the following steps: when a network processor determines that the status information of the data stream needs to be updated according to the received message, the network processor informs a rate control module via an update message instead of immediate execution of information update operation; and the rate control module sends the received update message to a network processor in an idle state and requires the network processor which receives the update message to execute status information update operation. In the invention, in order to avoid update errors, interval duration that the rate control module sends the update message is not less than hold time that the network processor executes status information update operation, so that the network processors can run in parallel without mutual influence on the basis of accurately updating the status information in real time, thus overcoming the problem of low efficiency of parallel systems in the prior art and requiring no additional storage space and processors.