DNS Query Correlation via Unique Address Pooling
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Solution Overview
Problem
Traditional network routing methodologies make it difficult for service providers to correlate DNS queries with subsequent communications, limiting their ability to assess performance and optimize service delivery based on unique network addresses.
Innovation Solution
A DNS service provides a pool of unique network addresses that can be selected for each DNS query, allowing service providers to correlate DNS queries with subsequent communications and analyze performance metrics such as latency, reliability, and efficiency by linking log entries based on these unique addresses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional network routing methodologies are used, then network communication can be established, but service providers cannot correlate DNS queries with subsequent communications
Solution Approach 1:
The patent introduces a correlation identifier as an intermediary element that bridges DNS queries and subsequent communications. This identifier is inserted into DNS responses and used to match subsequent HTTP requests with their originating DNS queries, enabling service providers to track and analyze the full request lifecycle without fundamentally changing network routing infrastructure.
Solution Approach 2:
The patent segments the correlation process into distinct components: DNS query identification, correlation identifier generation, identifier insertion into DNS responses, and subsequent request matching. This segmentation allows each component to be implemented and managed independently, reducing overall system complexity while enabling comprehensive correlation capability.
2Loss of information
If unique network addresses are assigned to each DNS query, then correlation between DNS queries and communications is enabled, but network address resources are consumed faster
Solution Approach 1:
Instead of assigning unique network addresses to each DNS query, the patent creates a correlation identifier that copies or references the query information in a lightweight format. This identifier can be reused and does not consume network address resources, yet maintains the ability to correlate DNS queries with subsequent communications through matching mechanisms.
3Measurement precision
If service providers want to assess performance metrics like latency, then detailed tracking of DNS queries and communications is needed, but this increases system complexity
Solution Approach 1:
The patent implements a feedback mechanism where correlation identifiers enable service providers to track the complete journey of a request from DNS query through subsequent communications. This feedback loop provides precise performance metrics (latency, reliability) by matching timing information across different stages of the request lifecycle, while the automated matching process reduces manual tracking complexity.
Data Source
AI summary
Aspects of the disclosure will be described with regard to the processing of DNS queries by a DNS service based on multiple network addresses associated with a single network entity (e.g., a service provider). The DNS service may respond to each DNS query for identifying network addresses associated with the service provider with a respective unique network address from a pool of network addresses. Based on the uniqueness of network addresses, DNS queries and subsequent communications between respective client computing devices and the service can be correlated.