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Media access control safety protocol message transmission method and related device

A media access control and security protocol technology, applied in the field of communication, can solve problems such as router protocol discarding, inability to perceive the original priority of MACsec services, and lack of QoS priority fields, etc., to achieve the effect of compatibility and expansion

Active Publication Date: 2020-03-03
BEIJING HUAWEI DIGITAL TECH
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Problems solved by technology

[0004]In the prior art, MACsec encrypts Ethernet (Ethernet) data, and encrypts message data sent by the sending device, such as data messages and protocols message, but the media access control security tag (Media Access Control TAG, MAC TAG) field in the encrypted message does not have a QoS priority field, so that the intermediate link cannot perceive the original priority of the MACsec-encapsulated service. In the case of congestion on the intermediate link, MACsec data packets or some important router protocols or detection protocols are discarded

Method used

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  • Media access control safety protocol message transmission method and related device
  • Media access control safety protocol message transmission method and related device
  • Media access control safety protocol message transmission method and related device

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Embodiment Construction

[0068] combine first Figure 1-Figure 4 Introduce the relevant technical knowledge involved in the embodiment of this application.

[0069] Data encryption technology is to re-encode information, thereby hiding information content, so that illegal users cannot obtain real information. The basic idea of ​​encrypted network security technology is not to rely on the security of the data channel in the network to realize the security of the network system, but also to ensure the security and reliability of the network by encrypting the network data. see figure 1 , is a schematic diagram of an encryption technology model. The sending device combines the encryption key to convert the plaintext data into ciphertext data through an encryption algorithm. The ciphertext data is transmitted in the network to the receiving device, and the receiving device combines the decryption key to convert the ciphertext data into plaintext data through a decryption algorithm.

[0070] Media Access...

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Abstract

The invention provides a media access control safety protocol message transmission method and a related device. The method comprises the following steps: a first network device identifies a first priority of an original message and sets a priority field in a media access safety protocol (MACSEC) message corresponding to the original message, the original message comprises a plurality of types of data, and each type of data corresponds to a respective priority; and the first network device sends the MACsec message to a second network device, so that the second network device performs mapping according to the priority field to obtain a mapped second priority, and schedules or forwards the MACsec message according to the second priority. By setting the priority field in the MACsec message, the intermediate device can identify the priority of the MACsec message in the transmission process, and it is ensured that important messages are scheduled with high priority and are not discarded.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a method for transmitting a Media Access Control Security protocol (Media Access Control Security, MACsec) message and a related device. Background technique [0002] Media Access Control Security (MACsec) defines a data security communication method based on IEEE802 local area network. MACsec can provide users with secure MAC layer data sending and receiving services, including user data encryption (Confidentiality), data frame integrity check (Data Integrity), data source authenticity check (Data Origin Authenticity) and replay protection (Replay protection) etc. [0003] Quality of Service (QoS) is a common concept in various occasions where there is a relationship between service supply and demand. It is used to evaluate the service provider's ability to meet service requirements. In the data transmission network, for example, it supports providing de...

Claims

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Application Information

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IPC IPC(8): H04L12/833H04L12/851H04L29/06H04L12/46H04L47/31
CPCH04L47/24H04L47/2458H04L63/0428H04L12/4641
Inventor 胡俊理
Owner BEIJING HUAWEI DIGITAL TECH
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