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A method and system for implementing data transmission in flow control transmission protocol

A flow control transmission protocol, data transmission technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problem of SCTP protocol not considering the realization of transmission performance and other problems, to avoid network congestion, alleviate network congestion, avoid The effect of queuing delay

Inactive Publication Date: 2008-09-03
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] The technical problem solved by the present invention is to provide a method and system for implementing data transmission in the flow control transmission protocol, so as to solve the implementation problems not considered in the SCTP protocol analyzed above and the transmission performance problems based on software implementation

Method used

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  • A method and system for implementing data transmission in flow control transmission protocol
  • A method and system for implementing data transmission in flow control transmission protocol
  • A method and system for implementing data transmission in flow control transmission protocol

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specific Embodiment approach

[0048] Such as figure 1 , 2 As shown, first, a sending queue, a waiting queue, a retransmission queue, and a reassembly queue are set for each SCTP association, and a flow receiving queue, queue structure and data flow are set for each flow.

[0049] The sending queue is a first-in-first-out queue arranged in the order of TSN (Transfer Serial Number) and SSN (Stream Serial Number). The queue sets two threshold values ​​(threshold value 1<threshold value 2). When the elements of the queue exceed the When the threshold value is 2, an alarm is reported to the upper layer queue, and the upper layer is required to stop sending new data before the alarm is released. Otherwise, the new data that the upper layer continues to request to send is not guaranteed to be sent. If the length of the sending queue is less than the threshold value 1, report to the upper layer. Alarm release , the upper application can freely request to send new data.

[0050] The waiting queue is also a queue ...

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Abstract

The invention provides a data transmission realization method and system in flow control transmission protocol. It is set dispatching queue, waiting for answering queue, retransmission queue, recombination queue, and flow receiving queue for each SCTP association to solve data transmission performance problem based on software realization in SCTP protocol. The queue structure and the queue manage are used reasonably to transmit data. As well as, the congestion avoidance mechanism is enhanced to realize the SCTP data transmission with high efficiency, prevent the congestion tending to serious.

Description

technical field [0001] The invention belongs to the technical field of IP signaling, and in particular relates to a method and system for realizing data transmission in a Stream Control Transfer Protocol (SCTP: Stream Control Transfer Protocol). Background technique [0002] SCTP stands for Stream Control Transmission Protocol, which is a protocol newly developed by IETF (Internet Engieering Task Force), which provides the transmission service of telecommunication signaling on the IP network. Compared with the traditional TCP protocol widely used on the Internet at present, SCTP is stronger and more reliable. SCTP has been adopted by the 3G Standardization Organization (3GPP) and applied to transmit No. 7 signaling (SS7) on the IP network. [0003] SCTP can be applied in 3G WCDMA (Wideband Code Division Multiple Address) system, and forms the node of IP signaling network with M3UA, and its position is parallel to No. 7 signaling, which is selected by the supplier according t...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/24H04Q3/545H04Q3/64
Inventor 柏慧樊沛
Owner ZTE CORP