RTP Diagnostic Tool for Multimedia Streaming Troubleshooting
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Solution Overview
Problem
Troubleshooting multimedia streaming applications using the Real-time Transport Protocol (RTP) is complicated by the stringent Quality of Service (QoS) requirements and the difficulty in analyzing RTP streams that are transformed by mixer or translator devices, which obliterate original stream characteristics, making it hard to trace back to the source of problems in multi-mixer, multi-translator systems.
Innovation Solution
A multi-segment RTP analysis tool that correlates RTP statistics across multiple streams with different Synchronization Source (SSRC) fields, providing a unified picture of the flow from sources to destinations through mixers and translators, allowing administrators to diagnose issues visually across multiple hops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mixer or translator devices transform RTP streams, then media format compatibility is improved, but original stream characteristics are lost
Solution Approach 1:
The patent introduces an intermediary analysis tool that sits between the RTP streams and the administrator, capturing and preserving stream characteristics before they are transformed by mixers or translators. This intermediary component records SSRC fields, timing information, and other stream attributes, allowing administrators to trace transformed streams back to their original sources without interfering with the format transformation process itself.
2Adaptability or versatility
If multiple mixers and translators are used in RTP systems, then system functionality is improved, but troubleshooting difficulty increases
Solution Approach 1:
The patent implements a feedback mechanism where the analysis tool continuously monitors RTP streams passing through multiple mixers and translators, collecting information about stream transformations at each stage. This feedback loop provides administrators with real-time visibility into how streams are modified across the network, enabling systematic troubleshooting by showing the cumulative effect of each device in the chain.
Solution Approach 2:
The patent adds a new dimension to stream analysis by introducing temporal and hierarchical layers of information. The tool not only analyzes individual streams but also correlates them across multiple time points and device levels, presenting multi-dimensional data that reveals the complete path and transformation history of RTP streams through complex multi-mixer systems.
3Measurement precision
If stream characteristics are preserved through mixers, then troubleshooting capability is improved, but device operation complexity increases
Solution Approach 1:
The patent segments the troubleshooting function from the mixer/translator devices themselves. Instead of requiring each device to preserve and manage stream characteristics internally, the analysis tool is divided into separate functional modules that independently capture, correlate, and analyze specific aspects of stream transformations. This segmentation allows devices to operate simply while the analysis system handles the complexity of tracking characteristics across transformations.
Data Source
AI summary
In one embodiment, a method includes correlating, for each intermediate device associated with a Real-time Transport Protocol (RTP) application that connects endpoints through a plurality of intermediate devices across a network, one or more first RTP segments input into the intermediate device with one or more second RTP segments output from the intermediate device. The correlation results are then graphically displayed results of the correlating to obtain a full, end-to-end picture of RTP quality from a source endpoint to a destination endpoint of the RTP application. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.