Multi-Site Media Playback System Subsystem Identifier Assignment
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Solution Overview
Problem
Existing media playback systems struggle to manage and configure multiple media playback devices deployed across different physical locations, leading to inconsistencies in configuration changes and difficulties in correlating usage history data across geographically dispersed devices.
Innovation Solution
The system assigns a system identifier to each media playback device, and a subsystem identifier based on the device's location, allowing the cloud computing system to route commands effectively and propagate configuration changes across devices connected to different networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If media playback devices are deployed across multiple physical locations, then system coverage and user accessibility are improved, but configuration management consistency and data correlation across devices deteriorate
Solution Approach 1:
The system segments devices by assigning subsystem identifiers based on their physical location or network environment. Each subsystem identifier groups devices in the same location, allowing independent configuration management for each site while maintaining overall system coherence through the parent system identifier.
Solution Approach 2:
The cloud computing system acts as an intermediary that receives configuration changes and usage data from multiple subsystems. It processes these inputs centrally and propagates relevant configuration changes to appropriate devices across different locations, ensuring consistency without requiring direct peer-to-peer communication between dispersed devices.
2Measurement precision
If devices are assigned unique identifiers for location-based routing, then command routing precision is improved, but system complexity increases
Solution Approach 1:
The system adds a hierarchical dimension to device identification by implementing a two-level identifier structure: system identifier (top level) and subsystem identifier (bottom level). This hierarchical approach enables precise routing to specific subsystems while maintaining manageable complexity through the organized structure, avoiding the need for completely unique complex identifiers for every device.
Data Source
AI summary
Systems and methods for controlling multi-site media playback systems include, among other features, a computing system (i) receiving, from a first media playback device connected to a first network, a first registration message, (ii) in response to receiving the first registration message, assigning a system identifier and a first subsystem identifier to the first media playback device, (iii) receiving, from a second media playback device connected to the first network, a second registration message, (iv) in response to receiving the second registration message, assigning the system identifier and the first subsystem identifier to the second media playback device, (v) determining that the second media playback device is disconnected from the first network and connected to a second network, and (vi) in response to determining that the second media playback device is connected to the second network, assigning a second subsystem identifier to the second media playback device.