Proxy Server Rate Limiting Configuration

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Solution Overview

Problem

Proxy service providers face challenges in preventing their IP addresses from being blocked or denied services by target websites due to exceeding rate limits, leading to client dissatisfaction and financial losses.

Innovation Solution

Implementing a system and method to configure rate-limiting functionality on proxy servers to manage and regulate client requests, preventing exceeding of rate limits by target websites, thereby avoiding IP address blocking and ensuring seamless service execution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If proxy servers forward client requests without rate limiting, then service speed and client satisfaction are improved, but IP addresses get blocked by target websites due to exceeding rate limits

Engineering Contradiction:
Improverequest forwarding speedVSAvoidIP address accessibility
Core Design Contradiction:
SpeedVSReliability

Solution Approach 1:

The patent implements rate-limiting functionality by installing configuration files with rate limit settings on proxy servers before they forward requests. This preliminary configuration establishes request thresholds and time frame limits in advance, allowing the system to prevent IP blocking proactively while maintaining high-speed request forwarding within acceptable limits

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system dynamically monitors and adjusts request forwarding based on rate-limiting configuration files. The proxy servers can adapt their request forwarding behavior in real-time, switching between unrestricted forwarding and rate-limited forwarding based on the configured parameters, thus balancing speed and reliability dynamically

Inventive Principle:
Principle #15Dynamics

2Reliability

If proxy servers implement rate-limiting functionality to prevent IP blocking, then IP address accessibility is maintained, but service complexity increases due to configuration management

Engineering Contradiction:
ImproveIP address accessibilityVSAvoidrate-limiting configuration management
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent enables proxy servers to self-configure rate-limiting functionality by automatically installing and applying configuration files containing rate limit settings. The system performs self-diagnosis and self-adjustment based on these configuration files, reducing the need for manual intervention and complex configuration management while maintaining reliable IP address accessibility

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The rate-limiting configuration is extracted into separate configuration files that can be independently managed and deployed. This separates the rate-limiting logic from the core proxy server functionality, making configuration management simpler and allowing rate-limiting parameters to be updated without modifying the underlying proxy server code

Inventive Principle:
Principle #2Taking out (Extraction)

3Productivity

If proxy servers forward all client requests without regulation, then productivity is maximized, but target websites block IP addresses leading to service interruptions

Engineering Contradiction:
Improverequest processing volumeVSAvoidservice continuity
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent applies partial rate-limiting by configuring specific request thresholds and time frame limits that allow a substantial portion of client requests to pass through while blocking only the excessive requests that would trigger IP blocking. This partial action maintains high productivity for legitimate traffic while preventing service interruptions

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS11632436B1Regulation methods for proxy services
Publication Date: 2023.04.18 OXYLABS UAB
  • US11632436B1 patent drawing
  • US11632436B1 patent drawing
  • US11632436B1 patent drawing

AI summary

Systems and methods to manage and regulate the requests of multiple proxy clients are disclosed. In one aspect, the system and methods disclosed herein aids in configuring proxy server(s) with a rate-limit functionality. Configuration of the rate-limit functionality may be realized by, but not limited to, installing configuration file(s) and/or software application(s) on the proxy server(s). The configuration provides information about the list of restricted and unrestricted domains and their respective request limit specification in a given time frame. Therefore, each time before a proxy server forwards the clients' requests to a target domain, the proxy server checks and ensures that the request count to the particular target domain is well within the limit specified in the request limit specification. Thus, the embodiments described herein aid in preventing the IP addresses of proxy service providers from being blocked or denied from the target websites.