Delegating Resource Access via Metadata Transfer
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Accessing and sharing digital resources across multiple devices is inconvenient due to bandwidth issues, DRM restrictions, and differing device capabilities, leading to inefficient communication traffic and format incompatibilities.
Innovation Solution
A system where metadata associated with resources is communicated between devices to enable access delegation or transfer, using a gatekeeper device that enforces DRM restrictions and optimizes resource formats for recipient devices, allowing seamless access across various hardware and software configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If resources are transmitted from originating device to destination device, then access to resources is enabled on multiple devices, but transmission time and bandwidth consumption increase significantly
Solution Approach 1:
The patent extracts the essential access authorization information (metadata, licenses, keys) from the complete resource data and transmits only this extracted information between devices. This allows devices to access resources without transmitting the full resource content, significantly reducing transmission time while maintaining access capability.
Solution Approach 2:
The patent introduces a resource server as an intermediary that manages resource access. Instead of direct peer-to-peer resource transmission, the server mediates access by providing authorization metadata to devices, enabling resource access without direct resource transfer between client devices.
2Adaptability or versatility
If resources are transmitted from originating device to multiple destination devices, then access to resources is enabled on multiple devices, but communication traffic and bandwidth consumption increase proportionally
Solution Approach 1:
The patent extracts and transmits only the essential access authorization metadata rather than complete resource copies to multiple devices. This extraction approach enables multiple devices to access resources while maintaining constant communication traffic volume regardless of the number of devices.
Solution Approach 2:
The patent creates universal access authorization metadata that can be used across multiple devices simultaneously. A single set of authorization data enables access on multiple devices, making the authorization mechanism universally applicable and eliminating the need for separate resource transmissions to each device.
3Ease of operation
If resources are shared across multiple devices, then user convenience is improved, but DRM restrictions and format compatibility issues arise
Solution Approach 1:
The patent applies local quality by delivering device-specific authorization metadata that contains format and capability information tailored to each device. This allows the system to provide appropriate format compatibility for each device while maintaining ease of operation through automated format selection.
Solution Approach 2:
The patent changes parameters by dynamically adjusting resource format and authorization parameters based on device capabilities. The system modifies resource delivery parameters according to each device's specific characteristics, ensuring format compatibility while maintaining user convenience through automated adaptation.
Data Source
AI summary
A gatekeeper device delegates an ability to access a resource to an access device by transmitting metadata, which includes access information for accessing the resource. The access device uses the metadata to retrieve the associated resource from a resource server. By transmitting the metadata in lieu of the resource, flexible use of the resources is implemented while enabling compliance with various restriction schemes. The system may condition the delegation or transfer of resource access on one or more factors, such as proximity between the gatekeeper device and the access devices. Using information about an access device, the resource server may optimize the resources for the receiving access device.