Cloud Queue Access Control Through Token-Based Permission Shifts
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Solution Overview
Problem
Current media playback systems lack effective access control mechanisms for cloud-based playback queues, leading to unmanaged access and potential misuse, as they rely on simplistic authentication methods and lack dynamic access level management.
Innovation Solution
Implementing a system that utilizes authentication tokens to control access to cloud queues, allowing for varying access levels and dynamic status modifications based on predefined triggers, ensuring secure and managed access by entities such as media playback systems and user accounts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If authentication tokens with varying access levels are implemented, then access control security is improved, but system complexity increases
Solution Approach 1:
The patent segments access control into multiple authorization levels (first access level, second access level, etc.) where each level grants different permissions for queue operations. This segmentation allows fine-grained control over who can perform which operations (playback, pause, skip, manipulate queue) while maintaining a structured, manageable system architecture.
Solution Approach 2:
The system dynamically modifies access status based on trigger conditions. Authorization tokens can be updated, revoked, or modified in response to events such as queue completion, time-based triggers, or administrative actions. This dynamic approach allows the system to adapt access levels without requiring complete system redesign, balancing security with operational flexibility.
2Adaptability or versatility
If dynamic access status modification based on triggers is implemented, then access control flexibility is improved, but processing overhead increases
Solution Approach 1:
The system pre-configures trigger conditions and corresponding access status modifications during system setup or token creation. Triggers such as queue completion, time thresholds, or specific events are predetermined, allowing the system to automatically respond without complex real-time decision-making. This preliminary configuration reduces processing overhead during actual queue operations.
Solution Approach 2:
The access control system automatically monitors trigger conditions and modifies authorization status without requiring continuous external intervention. The system self-manages the evaluation of triggers and the subsequent updates to access tokens, reducing the need for manual security management and minimizing processing overhead through automated, event-driven operations.
3Measurement precision
If multiple access levels are granted to different entities, then access control precision is improved, but authentication complexity increases
Solution Approach 1:
The patent applies different authorization characteristics to different entities (first entity, second entity, etc.) based on their specific roles and requirements. Each entity receives customized access levels tailored to its function (e.g., playback-only access for users, full manipulation access for administrators). This localized approach to authorization precision manages complexity by assigning specific permission sets rather than requiring universal complex authentication for all entities.
Data Source
AI summary
An example implementation may involve a computing system receiving, from a media playback system, a request to initiate playback of a cloud queue. The cloud queue may currently have a first access status that authorizes a first set of queue operations, which may include playback of the cloud queue. After receiving the request to initiate playback, the computing system may cause audio tracks of the cloud queue to be queued in a local queue of the media playback system such that the media playback system may playback audio tracks of the cloud queue via the local queue. The computing system may modify the access status of the cloud queue to a second access status. This second access status may authorize a second set of queue operations on the cloud queue. The computing system may cause access to the local queue to be restricted to the second set of queue operations.