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A method and system for managing and controlling IP address allocation of distributed equipment

A distributed device and IP address technology, applied in the transmission system, electrical components, etc., to improve security, curb malicious attacks, and prevent IP distribution chaos

Active Publication Date: 2020-09-22
GUANGZHOU BINGO SOFTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the above-mentioned technical defects, the present invention provides a distributed device IP address allocation management and control method and system, which realizes multi-point distribution of DHCP services, requires no configuration, low resource consumption, solves the single-point bottleneck problem, and effectively curbs External DHCP malicious attack improves network security

Method used

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  • A method and system for managing and controlling IP address allocation of distributed equipment
  • A method and system for managing and controlling IP address allocation of distributed equipment
  • A method and system for managing and controlling IP address allocation of distributed equipment

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Embodiment 1

[0055] Embodiment 1 discloses a DHCP service structure of a distributed cloud host, and its network structure is as follows image 3 As shown, in this service structure, an SDN switch is deployed locally for each node network, and the virtual network cards of all cloud hosts in the node network are connected to the SDN switch. This service structure also deploys an SDN controller for each node network. The deployed The SDN controller is connected to the SDN switch in the node network through Unix Socket for communication. In this service structure, SDN controllers are deployed on network nodes, and each SDN controller provides independent DHCP services for the node network where it is located, forming a distributed deployment pattern under a multi-node cloud network. Furthermore, the SDN controllers of each node network in this service structure establish a synchronization mechanism by sharing files to form a sinking distributed architecture.

[0056] Such as Figure 4 As s...

Embodiment 2

[0086] Such as Figure 6 As shown, this embodiment corresponds to the distributed device IP address distribution management and control method described in Embodiment 1, and discloses a distributed device IP address distribution management and control system, including:

[0087]SDN switch, connected to all node devices in a network, used to receive the DHCP request packets sent by the node devices in the network, use the preset flow table rules to match the DHCP request packets and generate the first packet, and send the first packet to the SDN controller.

[0088] SDN controller, connected to the SDN switch, including:

[0089] The request verification module is used to verify the request port and request address in the first packet.

[0090] The data packet generation module is used to perform DHCP designation according to the content in the first packet after the verification of the request verification module is successful, generate a DHCP data packet containing address ...

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PUM

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Abstract

The invention discloses a method and system for managing and controlling IP address distribution of distributed equipment. By connecting an SDN controller with an SDN switch in a single network, the IP addresses of node equipment in a network are managed, thereby realizing DHCP service. The multi-point distribution requires no configuration, low resource consumption, and solves the single-point bottleneck problem. Even if a single service exception occurs, it only affects the single-node network and does not affect the overall network. The fault tolerance is stronger. At the same time, the SDN controller is performing DHCP. Before the service, the content of the first packet is verified, which effectively prevents the confusion of IP allocation caused by illegal DHCP services on the intranet, and also effectively curbs malicious external DHCP attacks, improving network security.

Description

technical field [0001] The invention belongs to the technical field of dynamic address allocation, and in particular relates to a distributed device IP address allocation control method and system. Background technique [0002] The DHCP service is used to automatically assign IP addresses to internal networks or network service providers, and is generally used as a means for users or internal network administrators to centrally manage all devices in a certain network. The traditional DHCP service generally adopts the solution of deploying one or more DHCP servers for management. The network structure is as follows: figure 1 As shown, in the solution of using a single DHCP server for management, the problem of single point of failure is serious, and it is easy to cause network communication to be paralyzed. If multiple DHCP servers are used, the configuration is extremely cumbersome, with low flexibility and low security. [0003] At present, most of the implementation meth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/06
CPCH04L63/0876H04L61/5014
Inventor 刘忻林冬艺
Owner GUANGZHOU BINGO SOFTWARE