Transport Layer Protocol Selection via Application-Layer Metrics
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Solution Overview
Problem
Existing methods for transport layer protocol racing, such as using multiple protocols simultaneously and prioritizing the first arriving requests, lead to resource inefficiency and inaccurate protocol selection due to reliance on incomplete handshake metrics, while methods involving deep network monitoring are costly and complex.
Innovation Solution
A method to determine the best transport layer protocol based on application layer metrics, using normalized metric value differences and weighted sums, allowing direct implementation in application codes without requiring network detection tools, and adjusting parameters for different scenarios.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the server uses deep network monitoring tools to detect transport layer metrics, then the protocol selection accuracy is improved, but the device complexity and cost increase
Solution Approach 1:
The patent introduces an application layer as an intermediary between the transport layer protocols and the protocol selection mechanism. Instead of directly monitoring transport layer metrics, the system uses application layer service requests and responses as mediators to indirectly evaluate protocol performance. This intermediary approach simplifies the monitoring mechanism while maintaining accurate protocol selection capability.
Solution Approach 2:
The patent replaces complex network monitoring tools with a software-based application layer mechanism. Instead of using specialized hardware or complex monitoring systems to detect transport layer metrics, the invention uses standard application layer HTTP requests and responses to gather protocol performance data, substituting mechanical/hardware monitoring with software-based observation.
2Adaptability or versatility
If the client initiates requests using multiple transport layer protocols simultaneously, then the protocol racing functionality is achieved, but the resource consumption increases
Solution Approach 1:
The patent implements protocol racing by having the client send service requests through multiple transport layer protocols simultaneously, but only processes the response from the first successful protocol. This partial action approach allows the system to evaluate multiple protocols without fully processing all of them, reducing resource consumption while maintaining the adaptability to select the best protocol.
Solution Approach 2:
The system performs preliminary protocol evaluation by sending test service requests through multiple protocols before actual communication begins. The first protocol to successfully complete the handshake and receive a response is selected for subsequent communication, allowing the system to pre-determine the optimal protocol without consuming excessive resources during actual data transmission.
3Productivity
If the server processes only the first arriving request and rejects later requests, then the protocol selection efficiency is improved, but the reliability of service delivery deteriorates
Solution Approach 1:
The patent implements a feedback mechanism where the server evaluates the response status and content from multiple protocol requests rather than simply accepting the first one. The server can determine whether a request was successfully processed by analyzing the response metrics, allowing it to make informed decisions about which protocol to use while ensuring reliable service delivery through proper response verification.
Data Source
AI summary
A method for determining a transport layer protocol for communication includes: receiving, from a client, a plurality of service requests based on a plurality of transport layer protocols; determining a plurality of sets of metric values of application layer metrics by determining a set of metric values of the application layer metrics based on receiving each of the plurality of the service requests, wherein the application layer metrics are associated with at least one of efficiency or quality of receiving the service request; and determining the transport layer protocol for communication from the plurality of transport layer protocols based on the determined plurality of sets of metric values.