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Data compression method and device, network equipment and storage medium

A data compression and data technology, applied in the field of communications, can solve the problems of BitString occupying memory space, invalid data, and bits not being set, and achieve the effect of reducing the amount of processed data, reducing the space occupied, and improving the efficiency of forwarding

Active Publication Date: 2021-06-18
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Each bit of BitString represents a multicast receiver. Usually, a multicast traffic is only interested in some multicast receivers, so there will be a large number of bits that are not set, which will cause a large amount of data to be invalid. data
When BIER forwards, it is necessary to perform bit operations on BitString, and too long BitString will also cause additional calculation overhead
At the same time, the table item management of the device has the same problem, there will be many invalid BitStrings occupying memory space

Method used

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  • Data compression method and device, network equipment and storage medium
  • Data compression method and device, network equipment and storage medium
  • Data compression method and device, network equipment and storage medium

Examples

Experimental program
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Embodiment

[0025] figure 1 The flow chart of the data compression method provided by the embodiment of this application, this embodiment can be applied to the situation that the BitString in the packet header of the encapsulated data is compressed in the process of using BIER for data forwarding, and this method can be used by this application The data compression device provided in the embodiment can be implemented by means of software and / or hardware, and can generally be integrated into a network device. This method can be applied in a network communication system based on BIER technology for data forwarding, such as figure 1 shown, including:

[0026] S110. Generate compressed bit string information according to the information of the device to be forwarded in the data packet; wherein, the compressed bit string information includes at least one valid bit data, and valid position information corresponding to each of the valid bit data, and the valid The bit data includes valid bits ...

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Abstract

The invention provides a data compression method and device, network equipment and a storage medium. The method comprises the following steps: generating compressed bit string information according to to-be-forwarded equipment information of a data packet; wherein the compressed bit string information comprises at least one piece of effective bit data and effective position information corresponding to each piece of effective bit data, the effective bit data comprises effective bits in standard bit string information, the effective bit data is used for determining next forwarding equipment for receiving the data packet, the effective position information comprises the position of the corresponding effective bit data in standard bit string information, and the information length of the standard bit string information is greater than the information length of the compressed bit string information; and packaging the data packet according to the compressed bit string information to form data to be transmitted. The length of the bit string information can be reduced, and the data forwarding efficiency is improved.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a data compression method, device, network equipment and storage medium. Background technique [0002] Multicast technology is playing an increasingly important role in the current Internet. Interactive Personality TV (IPTV), Net-Meeting, and live game live broadcast all use multicast technology. As the network scale becomes larger and the multicast data traffic increases day by day, this multicast technology faces increasing challenges in cost and operation and maintenance. For this reason, the industry proposes a new technology for constructing a multicast forwarding path, which is called Bit Indexed Explicit Replication (BIER) technology. [0003] BIER represents the nodes at the edge of the network with only one BIT bit. Multicast traffic is transmitted in the intermediate network, and a specific BIER header is additionally encapsulated. This header is in...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/761H04L45/16
CPCH04L69/04H04L45/16H04L67/01Y02D10/00
Inventor 徐本崇王会来朱永庆唐宏
Owner ZTE CORP