Network Switch Dynamic Protocol Assignment for AVB and Dante Audio
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Solution Overview
Problem
Conventional network switches are limited to passive data exchange and packet sharing, failing to dynamically adjust ports for different media control protocols, especially in audio and video applications that require dynamic protocol management and data processing beyond layer-two data formats.
Innovation Solution
The solution involves a method and apparatus that automatically detect data traffic on switch ports, identify specific packet protocols, and dynamically assign ports to appropriate protocols, enabling protocol management, data processing, and translation, allowing for the selection and support of audio/video media protocols like AVB and DANTE, and forwarding data traffic to appropriate network elements and audio devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a switch is configured to support multiple media control protocols dynamically, then protocol adaptability and versatility are improved, but device complexity increases due to automated detection and assignment mechanisms
Solution Approach 1:
The switch performs automated protocol detection and port assignment without external intervention. The system self-configures by analyzing incoming data packets, identifying protocol types (AVB, DANTE, or standard Ethernet), and dynamically assigning ports accordingly, eliminating the need for manual configuration and reducing operational complexity despite enhanced adaptability
Solution Approach 2:
The switch transitions from static port assignment to dynamic protocol-based assignment. Ports are not predetermined for specific protocols but are flexibly assigned based on real-time traffic analysis and protocol detection, allowing the system to adapt to changing network conditions and device connections
2Ease of operation
If a switch performs automated protocol detection and dynamic port assignment, then ease of operation is improved, but device complexity increases due to additional processing requirements
Solution Approach 1:
The switch automatically detects protocols and assigns ports without requiring user configuration. The system monitors incoming traffic, identifies protocol types through packet analysis, and autonomously configures ports to support the detected protocols, greatly simplifying operation while the internal processing complexity is managed through automated algorithms
3Device complexity
If a switch is limited to passive packet sharing operations, then device complexity is reduced, but adaptability to audio/video applications deteriorates
Solution Approach 1:
The switch evolves from a single-function packet forwarding device to a multi-functional system that handles standard Ethernet traffic, AVB audio/video protocols, and DANTE digital audio protocols simultaneously. The same physical infrastructure supports diverse applications through software-based protocol recognition and dynamic configuration, achieving universality without adding physical complexity
Data Source
AI summary
One example method of operation may include identifying data traffic, intended for a network element, received on one or more switch ports of a switch, identifying additional data traffic received on the one or more switch ports, which is to be rendered and played on an audio device attached to the one or more switch ports, forwarding the data traffic to the network element on a first switch port, and outputting the additional data traffic as audio on a second port to a loudspeaker attached to the second port.