Hierarchical Content Distribution Network Routing

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Solution Overview

Problem

Cloud networks face inefficiencies and high resource consumption in routing content traffic to user devices, particularly in wireless networks like LTE, due to the lack of optimized content distribution architectures that account for server proximity and network resource management.

Innovation Solution

A hierarchical content distribution network architecture that includes a distribution management server, local servers, and sub-servers, which manage content routing based on proximity and network resource optimization, using routing tables to determine the most efficient paths for content delivery, reducing network resource consumption and improving delivery efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed radio modulation scheme is used to provide unified decoding, then decoding compatibility is improved, but network resource consumption increases and routing efficiency deteriorates

Engineering Contradiction:
Improvedecoding compatibilityVSAvoidnetwork resource consumption
Core Design Contradiction:
Adaptability or versatilityVSLoss of energy

Solution Approach 1:

The patent applies local quality by enabling different modulation and coding schemes (MCS) to be used in different regions or cells rather than a single fixed scheme throughout the entire network. Each cell or region can select the MCS that best suits its local conditions, optimizing resource utilization while maintaining decoding compatibility where needed.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent implements dynamics by allowing the modulation and coding scheme to be dynamically adjusted based on real-time network conditions, user location, and signal quality. This dynamic adaptation enables the system to optimize resource consumption while maintaining compatibility through flexible MCS selection rather than being locked into a fixed scheme.

Inventive Principle:
Principle #15Dynamics

2Device complexity

If content is routed through centralized cloud servers, then content distribution simplicity is improved, but routing efficiency and network resource consumption worsen

Engineering Contradiction:
Improvecontent distribution simplicityVSAvoidrouting efficiency
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The patent applies segmentation by dividing the centralized cloud server architecture into distributed content servers located at multiple levels (core network, access network, and edge locations). This segmentation enables content to be routed through closer, more efficient servers while maintaining the simplicity of a hierarchical distribution model, thereby improving routing efficiency without significantly increasing system complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements dimensionality change by introducing a hierarchical routing architecture that adds vertical levels (core network, access network, edge) to the traditional horizontal routing model. This vertical dimension enables content to be delivered through multiple routing paths depending on user location and network conditions, improving routing efficiency while maintaining manageable complexity through structured organization.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Device complexity

If a single fixed routing path is used for all users, then routing configuration simplicity is improved, but delivery efficiency and network resource optimization worsen

Engineering Contradiction:
Improverouting configuration simplicityVSAvoiddelivery efficiency
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The patent applies dynamics by enabling routing paths to be dynamically adjusted based on real-time factors such as user location, signal quality, and network conditions. Rather than using a single fixed routing path for all users, the system dynamically selects optimal paths, improving delivery efficiency while maintaining configuration simplicity through automated routing decisions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements parameter changes by allowing routing parameters (such as selected server, modulation scheme, and coding rate) to be adjusted based on varying network conditions and user requirements. This enables optimization of delivery efficiency through parameter adaptation while keeping the routing configuration simple through automated parameter selection based on predefined criteria.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS9100856B2Routing architecture for content in a network
Publication Date: 2015.08.04 VERIZON PATENT & LICENSING INC
  • US9100856B2 patent drawing
  • US9100856B2 patent drawing
  • US9100856B2 patent drawing

AI summary

A method includes receiving, at a distribution management device, a request for a content item from a requesting local device. The distribution management device is at a first level of a content distribution architecture, the requesting local device is one of a plurality of local devices at a second level and each local device serves a plurality of sub devices at a third level. A determination whether the requested content item is available from the distribution management device is made. At least one other local device that has the requested content item is identified if the requested content item is not available. A minimum routing cost local device for the requested content to the requesting local device is determined based on the identified at least one other local device. A request for the requested content is sent to the identified minimum routing cost local device.