Node safety registration method based on 6LoWPAN neighbor discovery

A neighbor discovery and node technology, applied in digital transmission systems, electrical components, transmission systems, etc., to achieve the effects of reducing length, overcoming IPv6 address waste, and reducing occupancy

Active Publication Date: 2016-07-13
南京蜻蜓智慧农业研究院有限公司
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Problems solved by technology

This patent also pays attention to communication security issues, but it mainly uses hash encryption to solve the security access

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  • Node safety registration method based on 6LoWPAN neighbor discovery
  • Node safety registration method based on 6LoWPAN neighbor discovery
  • Node safety registration method based on 6LoWPAN neighbor discovery

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Embodiment Construction

[0065] The specific implementation of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0066] After the 6LN completes the route discovery process, it will perform node registration on the corresponding 6LR. figure 1 For the ARO option format before the change, the present invention changes the address registration option (ARO) proposed in RFC6775, and takes out 2 bits from the reserved part of the ARO option format provided by it. The number of bits here is not necessarily 2 bits, and may be 3 bits or more, but from the perspective of communication overhead, using 2 bits is the best way. If 3 bits are taken out, 4 of them can also be selected as a comparison of the relationship between the DID and the registered address in Table 2. As the verification identifier bit (DID, DetectedID) in the process of node security registration. Changed ARO options such as figure 2 shown.

[0067] in, figure 2 The meaning o...

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Abstract

The invention relates to a node safety registration method based on 6LoWPAN neighbor discovery. ARO suggested by an RFC775 is improved, and the corresponding relation between added DID fields and corresponding SLLAO option address fields is utilized to realize safety registration of nodes. The process of NS/NA carrying related ARO and SLLAO options with the DID fields to carry out address registration specifically comprises 6 specific steps. Only 2 bit of frame options are added to the ARO, other fields are not changes, so that fusion with existing networks is easy, and the popularization is good. A plurality of times of NS/NA message interaction are carried out between a 6LN and a 6LR, and the safe registration of the 6LN under dummy node interference can be still realized without adding a password generation function to the 6LN. The nodes are provided with a network attack prevention self-recovery capability by means of the improved ARO frame format, and the problem of IPv6 address waste under an RFC6775 standard is simultaneously overcome. In the node registration process, the transmission of original 128 bits in each time is shortened to 48/16 bits, the occupation of the network bandwidth is reduced, and the network efficiency is improved.

Description

technical field [0001] The invention relates to a digital information transmission technology characterized by a protocol, in particular to a node security registration method based on 6LoWPAN neighbor discovery. Background technique [0002] 6LoWPAN (IPv6overLowpowerWirelessPersonalAreaNetwork) is a low-speed wireless personal area network standard based on IPv6, that is, IPv6overIEEE802.15.4. The potential of low-power operation of 6LoWPAN makes it very suitable for use in devices from handhelds to instruments, and its support for AES Built-in support for -128 encryption lays the foundation for robust authentication and security. With the exhaustion of IPv4 addresses, IPv6 is the general trend. The development of Internet of Things technology will further promote the deployment and application of IPv6. 6LoWPAN technology has the characteristics of wireless low power consumption and self-organizing network. It is an important technology for the perception layer of the Int...

Claims

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Application Information

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IPC IPC(8): H04L12/751H04L45/02
CPCH04L45/02
Inventor 孙知信苗慧宇宫婧骆冰清
Owner 南京蜻蜓智慧农业研究院有限公司
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