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A data sending method, data generator and active flow control system

A data sending method and a data generator technology, which are applied in the field of communication and can solve problems such as data interruption

Active Publication Date: 2017-06-06
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a data sending method, a data generator and an active flow control system, which solves the problem of data interruption caused by the process of clearing the counter through software timing in the active flow control mechanism

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  • A data sending method, data generator and active flow control system
  • A data sending method, data generator and active flow control system
  • A data sending method, data generator and active flow control system

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Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0052] An embodiment of the present invention provides a data sending method, which is applied to a data generator, the data generator includes N ports, and each port is provided with a counter, such as figure 1 As shown, the method may include:

[0053] 101. The data generator sends a first data packet including a first flag bit to a data channel through a port X, so that the data channel sends the first data packet to an egress processor.

[0054] Among them, in...

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Abstract

The invention discloses a data transmission method, a data generator and an initiative flow control system, and relates to the communication field. The data transmission method, the data generator and the initiative flow control system solve the problem of data cutoff caused in the counter-reset process through software timing in an initiative flow control mechanism. According to the technical scheme, a first data message including a first zone bit is sent to a data channel, and a counting numerical value of a counter is increased according to the message length information of the first data message. The counting numerical value of the counter is set to be an original value according to a default time threshold value. A second data message including a second zone bit is sent to the data channel, the second zone bit is different from the first zone bit, and a counting numerical value of the counter is increased according to the message length information of the second data message. Flow control information sent by an exit processor is received, and when the flow control information includes the second zone bit, the counting numerical value of the counter is reduced according to the message length information of the second data message included by the flow control information. The data transmission method, the data generator and the initiative flow control system are mainly used in the initiative flow control mechanism.

Description

technical field [0001] The invention relates to the communication field, in particular to a data sending method, a data generator and an active flow control system. Background technique [0002] In a communication system, in order to avoid link backpressure generated by the egress processor due to complete exhaustion of resources, resulting in a large backlog of data packets on a certain port, it is usually necessary to control the occupancy of egress processor resources by a single port . The active flow control mechanism can effectively control the data packets of the port. The active flow control mechanism is mainly to control the amount of data generated by each port from the data generator but not yet sent from the export processor in the data generator. To carry out active control, the specific implementation method is: set a counter for each port in the data generator, when the data generator sends a data message of a port, then increase the counter of the port, when...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/801
Inventor 屈仁杰
Owner HUAWEI TECH CO LTD
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