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Multi-stride packet payload mapping for robust transmission of data

A stride, data technology, applied in the field of multi-stride packet payload mapping, which can solve problems such as large protocol overhead, increased delay, and no active mechanism to retransmit data.

Pending Publication Date: 2022-05-24
MIXHALO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These control and feedback mechanisms result in greater protocol overhead, which means that a greater percentage of the precious bandwidth on the network connection is used to send this additional control information
In addition to additional bandwidth overhead, data retransmission may lead to increased latency, affecting real-time applications
[0004] UDP, on the other hand, is an unacknowledged mode protocol, which means there is no active mechanism to retransmit data that has been lost during the exchange

Method used

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  • Multi-stride packet payload mapping for robust transmission of data
  • Multi-stride packet payload mapping for robust transmission of data
  • Multi-stride packet payload mapping for robust transmission of data

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Experimental program
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Embodiment Construction

[0030] When considered from the perspective of real-time data transmission, UDP is the preferred transport layer protocol due to its lack of overhead and / or low latency constraints. However, the lack of retransmission brings stability and reliability issues. In general, it is acceptable that some loss occurs when using UDP (hence the pops that appear in the audio or the glitches that appear in the video). The packet frame mapping scheme described herein can provide a means of recovering some of these lost data.

[0031] Packet frame mapping provides a way to allocate redundant data to allow recovery from data loss when using UDP. Other methods exist to achieve this type of recovery (such as forward error correction, etc.), but the packet frame map can use a different way to distribute and order its redundant data, which can provide advantages over existing systems. For example, a system implementing packet-frame mapping for transmitting framed data may be more robust to long...

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Abstract

Systems and methods for packet payload mapping for robust transmission of data are described. For example, the method may include receiving packets using a network interface, each packet respectively including a primary frame from a sequence of data frames and one or more previous frames separated from the primary frame by a respective multiple of a stride parameter in the sequence of frames; storing the frames of the packet in a buffer having a main frame each holding the packet and entries of one or more previous frames; reading the first frame from the buffer as a main frame from one of the entries; determining that a packet having a primary frame as a next frame in the sequence has been lost; and in response to the determination, reading the next frame from the buffer as a previous frame from one of the entries.

Description

technical field [0001] The present disclosure relates to multi-stride packet payload mapping for robust transmission of data. Background technique [0002] When working with data transmission over network applications, there are two main types of Internet Protocol (IP) traffic, Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). Each protocol has its own intended use and advantages. [0003] For example, TCP is a well-known acknowledgment mode protocol. This means that when exchanging data, the built-in feedback mechanism checks and confirms that the data was received correctly. If any data is missing or missing, further mechanisms retransmit the corrupted or missing information. These mechanisms make TCP particularly suitable for conveying information such as still images, data files, and web pages. While this reliability makes TCP ideal for these use cases, it does come at a price. To guarantee stability, individual clients receive their own TCP stre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L1/16H04L1/18
CPCH04L1/0005H04L1/1607H04L1/0041H04L1/0045H04L1/0083H04L1/08G10L19/005H04L65/80H04N19/895H04L65/70H04L1/1841H04L49/9057G10L19/167H04L12/18H04L49/9005H04L49/901H04L69/16H04N7/04
Inventor V·辛格M·彼得拉斯
Owner MIXHALO CORP