DNS Records for Network Device Configuration Propagation
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Solution Overview
Problem
Current DNS protocols face challenges in efficiently propagating network device configurations and telemetry data across distributed systems, leading to inefficiencies in configuration management and data integrity.
Innovation Solution
A peer-triggered network device configuration propagation system that utilizes a configuration-to-DNS translation system to convert network device configurations into DNS records, enabling their distribution via DNS zones, and incorporates telemetry data for real-time monitoring and updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional configuration management protocols are used, then configuration data can be transmitted, but propagation efficiency and speed are insufficient
Solution Approach 1:
The patent repurposes the existing DNS infrastructure to perform dual functions: its original domain name resolution function and configuration data propagation. By making the DNS system universal, it can handle both types of traffic through the same distributed network, eliminating the need for separate configuration propagation infrastructure and significantly improving efficiency.
Solution Approach 2:
The configuration propagation system leverages the self-organizing nature of the DNS distributed network. Each DNS server automatically propagates configuration data to its peers without requiring centralized coordination or manual intervention, allowing the system to self-manage configuration distribution across the entire network.
2Ease of manufacture
If existing DNS infrastructure is leveraged, then deployment complexity is reduced, but native support for configuration data formats is lacking
Solution Approach 1:
The patent transforms configuration data into DNS-compatible format by encoding it within TXT records. This parameter transformation allows arbitrary configuration data to be represented using the standardized DNS record structure, enabling the system to maintain compatibility with existing DNS infrastructure while supporting diverse configuration formats.
Solution Approach 2:
The patent introduces a translation layer that acts as an intermediary between configuration data and DNS records. This mediator converts configuration parameters into DNS TXT record format for propagation, and converts received DNS records back into configuration parameters, enabling seamless integration without modifying the core DNS infrastructure.
3Productivity
If configuration data is propagated through DNS zones, then distribution speed improves, but data integrity and security requirements become more stringent
Solution Approach 1:
The patent implements acknowledgment mechanisms where receiving DNS servers confirm successful configuration data reception and propagation. This feedback loop ensures that configuration data is reliably transmitted across the distributed network, allowing the system to detect and retransmit any lost or corrupted data while maintaining the speed benefits of DNS propagation.
Data Source
AI summary
A technique for distributing and acquiring information about network devices using the Domain Name System (DNS) is disclosed. Device information, such as configuration settings and system status, is exchanged bi-directionally between one or multiple DNS services and network nodes using the DNS protocol. The information exchanged is encoded as DNS records.