Flow control optimization method based on POTN

A technology of flow control and optimization method, which is applied in the field of data transmission, can solve the problem of high CPU usage rate of flow control threads, and achieve the effect of reducing the number of ports and CPU usage rate

Active Publication Date: 2016-09-07
FENGHUO COMM SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is that when the number of etsppp ports of POTN equipment is large, the CPU usage rate of the flow control thread of the existing flow control scheme is too high

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  • Flow control optimization method based on POTN
  • Flow control optimization method based on POTN
  • Flow control optimization method based on POTN

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Embodiment Construction

[0041] After analyzing the reason why the CPU usage rate of the flow control thread in the existing flow control scheme is too high, it can be seen that to optimize the existing flow control scheme and reduce the CPU usage rate of the existing flow control, you can use only the dynamic actual physical port The corresponding MCC and SCC ports are added to the flow control queue, instead of adding all the logical ports of the device to the flow control queue, so it is necessary to obtain real-time physical port information.

[0042] In POTN equipment, due to the need for data interaction (such as alarming and configuration) between the CCU application layer and the single-disk application layer, there is a complete inter-disk communication system. The present invention utilizes the inter-disk communication system to implement The communication between the layer and the single disk obtains the presence information of the physical port in real time. The CCU application layer regula...

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Abstract

The invention discloses a flow control optimization method based on POTN. The method comprises the steps that a CCU application layer periodically sends a polling frame to each single disc, acquires in-place physical port information, and adds the physical port into or removes the physical port out of a flow control queue according to the in-place physical port information, to update the flow control queue in real time; and the CCU application layer sends data packets to every port in the flow control queue in a polling manner, and thus controls the flow of each port, wherein the packet sending time of each port and the maximal threshold of the total length of the data packets sent within the packet sending time are preset according to the packet sending rate of each port. According to the method, by dynamically maintaining the flow control queue, all ports in the flow control queue are actual in-place ports is ensured, unused ports on the device is prevented from adding into the flow control queue, the number of ports needing to be polled in the flow control queue is decreased, and thus the CPU occupancy rate of the flow control thread is significantly reduced.

Description

technical field [0001] The invention relates to the field of data transmission, in particular to a POTN-based flow control optimization method. Background technique [0002] In POTN equipment, due to the limitation of the bandwidth of a single disk, the data transmission rate of MCC (channel controller) and SCC (serial communication controller) channels cannot exceed a certain limit, so it is developed on the protocol stack of the main control disk of POTN equipment The flow control function is provided to control the data sending rate according to the bandwidth of a single disk. [0003] At present, flow control is implemented by adding each etsppp port to a flow control queue (abbreviated as flow control queue), and performing regular polling on each etsppp port in the flow control queue in each unit time. Since the packet sending rate of each etsppp port that needs to be controlled by flow control is at the level of 10 milliseconds (as shown in Table 1), the polling freq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/801H04L12/805H04L12/825H04L12/853H04L12/863H04Q11/00H04L47/2416H04L47/36
CPCH04L43/103H04L47/10H04L47/2416H04L47/25H04L47/365H04L47/625H04Q11/0066
Inventor 邓绍政程小鹏宋冬生
Owner FENGHUO COMM SCI & TECH CO LTD
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