Indirect real-time flux control system and its method

A real-time flow and flow control technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as reducing real-time performance, failing to meet business delay restrictions, and difficulty in realizing large and small real-time performance, so as to improve quality and reduce The effect of synchronizing overhead and reducing the overhead of flow control

Inactive Publication Date: 2008-04-02
ZTE CORP
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  • Application Information

AI Technical Summary

Problems solved by technology

If the entire group of data blocks is copied to one area and then read, the real-time performance will be reduced, and at the same time, the delay limit of the business may not be met.
This problem is mainly due to the inconsistency in the size of mutually exclusive objects, which makes real-time performance difficult to achieve.

Method used

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  • Indirect real-time flux control system and its method
  • Indirect real-time flux control system and its method
  • Indirect real-time flux control system and its method

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Embodiment Construction

[0034] The present invention includes a network protocol for indirect flow control, an application improvement architecture and a processing method for indirect flow control.

[0035] The architecture includes a network protocol, an upper-layer application and a flow control processing module. The flow control processing module is carried out around the cache and the timer. The schematic diagram of the architecture is shown in Figure 1. In the figure, the upper-layer sender 141 and the upper-layer receiver 142 are application modules, the network sending 131 and the receiving control 132 are the network high-level control layers, and the data flow is from the buffer to the network lower-layer protocol 12 and driver layer 11 when the data flow is downlink. From the network lower layer protocol and driver layer to the buffer. The flow of information is represented by line segments with arrows. Buffer and timer are coordinated and used by the four components to achieve the purpo...

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Abstract

The invention relates to an indirect control system and method of real time flow. The said system is composed of sending / receiving buffer memory and manipulative indexing queue. Each sending unit of big data block generated by each data is established relation with a sending index queue. Because the data generating and network sending does not happen at the same time and is not finished at one time, when generating the other big data block, the network layer sending is performed using the sending index queue, and the sending index queue is in duty-cycle operation. The management is performed based on the use proportion of the sending capacity of the said node and the receiving capacity of the opposite part to obtain the aim of flow control. The receiving end is operated in the same way. The network layer receives the small data block and the final consumer of data is big data block composed of small data blocks. The said system and method can greatly reduce the cost of flow control depending on protocol and the in-phase cost in node, and the real-time performance of data transmission on under layer in packet network is increased, and the transmission quality of stream media is effectively improved.

Description

technical field [0001] The invention relates to real-time flow control in network transmission, and more specifically, what method can be adopted to ensure the real-time transmission and reduce the cost of synchronization when the upstream and downstream cannot be strictly synchronized. Background technique [0002] In the circuit domain, the packet-switched domain or other various network forms, data is transmitted between network nodes in a single or grouped form. The same size is a frame, and the one with different sizes is a data block. Data is also copied from layer to layer by software and hardware cooperation within the network layer. Flow control is generally the control of grouped data. By adjusting the transmission speed, the normal transmission of data can be guaranteed. It is an important control factor in data transmission, but at the same time, various real-time and synchronization requirements of the network and data must be taken into account. . [0003] Th...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/863
Inventor 罗宏宇徐立峰曹刚
Owner ZTE CORP
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