DNS Descriptor System for Content Access and Load Balancing
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Solution Overview
Problem
Conventional DNS systems are not designed to easily accommodate advanced functions for content description and accessibility, leading to inefficient content publication and management in computer networks, lacking clear referencing and control over published content.
Innovation Solution
A method for operating a computer network that uses digital descriptors to manage server topology, address lookup, and content access, including initialization with digital certificates and network keys, enabling precise naming, authentication, and optimized cache management, allowing for advanced functions like content filtering and load balancing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional DNS systems are used for address lookup, then the system is simple and reliable, but it cannot accommodate advanced functions for content description and accessibility
Solution Approach 1:
The patent extends the traditional DNS system to become a multi-functional platform that not only performs address lookup but also provides content description, accessibility information, authentication, and cache management. The descriptor structure integrates multiple functions into a unified system that can handle both traditional networking tasks and advanced content publication requirements.
Solution Approach 2:
The patent segments the complex information needs into structured descriptor components including content description, accessibility information, authentication requirements, and cache control parameters. This segmentation allows the system to maintain simplicity while accommodating advanced functions through modular information organization.
2Loss of information
If digital descriptors with multiple functions are implemented, then content control and referencing are improved, but network traffic increases due to additional information exchange
Solution Approach 1:
The patent implements preliminary cache management where descriptors include pre-calculated information about content availability, authentication requirements, and cache control parameters. This preliminary organization of information reduces the need for repeated information exchange during content access, thereby reducing network traffic while maintaining clear content referencing.
Solution Approach 2:
The patent uses cache mechanisms that create local copies of descriptor information at client stations. Instead of repeatedly transmitting full descriptor information for each content access, the system maintains local copies that can be used for subsequent accesses, reducing network traffic while preserving complete content referencing capability.
3Productivity
If advanced content management functions are added to DNS, then content publication control is enhanced, but the operation complexity for administrators increases
Solution Approach 1:
The patent implements self-service mechanisms where the system automatically manages complex descriptor organization, cache validation, and content availability checking. Administrators define high-level content publication parameters, and the system automatically handles the complex tasks of descriptor generation, distribution, and validation, thereby enhancing content publication control without proportionally increasing administration complexity.
4Reliability
If descriptors include detailed content information, then user authentication and content filtering are improved, but the size of transmitted data increases
Solution Approach 1:
The patent extracts only the essential authentication and filtering information from complete content descriptors and transmits only these critical elements to client stations. The full descriptor information remains on the server, and clients receive streamlined versions containing only authentication requirements and content classification needed for access control, thereby maintaining reliable authentication while reducing data transmission volume.
Data Source
AI summary
A method of operating a network includes initializing the network using documents signed by a rights manager using a root key; a digital certificate and a document including links to digital pages that are used to access the digital certificate. The digital certificate includes a public part of a network key, which a user uses to access the network. A first digital document including a list of servers is recorded, wherein one of the servers functions as a lookup server. A coefficient representing respective processing capability is assigned to each server. An address is looked up from the lookup server using a first digital document for error management and a second digital document including address parameters. A server is selected based on the address parameters, and digital objects are accessed from the server.