IPv4 IPv6 Translation Gateway Load Balancing
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Solution Overview
Problem
Conventional methods for migrating data between IPv4 and IPv6 networks, such as dual stack, NAT64/DNS64, and IVI, face high deployment costs, risks, and limitations, making them unsuitable for large-scale data center migrations without significant system and application upgrades.
Innovation Solution
A data center system with a four-layer and seven-layer load balancing architecture that performs source and destination address translations, allowing for transparent service provision between different network types without requiring large-scale system upgrades, and dynamically deploys load balancing devices based on traffic ratios to optimize network performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If dual stack technology is used for IPv4 to IPv6 migration, then network protocol compatibility is improved, but deployment cost and device complexity increase significantly
Solution Approach 1:
The patent introduces a translation gateway as an intermediary component between IPv4 and IPv6 networks. This gateway performs protocol translation and address mapping, allowing existing IPv4 devices to communicate with IPv6 networks without requiring dual-stack configuration on all devices. The gateway acts as a mediator that handles the complexity of protocol translation centrally rather than requiring every device to support both protocols simultaneously.
2Adaptability or versatility
If NAT64/DNS64 is used for address translation, then IPv6 to IPv4 communication is enabled, but strong coupling with DNS and stateful mappings increase system complexity
Solution Approach 1:
The patent segments the address translation function into separate modular components: a translation gateway for protocol translation, a load balancing device for traffic distribution, and optional DNS integration. This segmentation allows the system to provide address translation capability without requiring strong coupling between all components. The modular architecture enables flexible deployment where DNS64 can be integrated when needed but isn't strictly required for the core translation functionality to work.
3Reliability
If load balancing devices are deployed for traffic distribution, then network performance and reliability are improved, but device quantity and deployment cost increase
Solution Approach 1:
The patent designs the translation gateway and load balancing device as multi-functional units that can perform multiple operations: protocol translation, address mapping, load balancing, and traffic scheduling. By consolidating these functions into unified devices rather than separate specialized components, the system achieves high reliability through load balancing and traffic distribution without proportionally increasing the total number of devices required. Each device serves multiple purposes, reducing overall device quantity.
Data Source
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AI summary
Disclosed is a data centre system, including a plurality of first load balancing devices for receiving a first class network request sent by a client through a core network device an translating the source address and the destination address; a plurality of second load balancing devices for receiving the first class network request and converting same to a second class network request and translating the source address and destination address of the second class network request; and a plurality of servers for receiving the second class network request from the second load balancing device, generating a second class network response and returning same to the second load balancing device. The present invention can simply and transparently provide service among different class networks under the premise of not changing the existing IDC network structure, large-scale system and application upgrade. Also disclosed are a method for a data centre to provide service, an evolved deployment method based on the above data centre system, a layer 4 load balancing device and a layer 7 load balancing device.