Intelligent Tiered Application Service Architecture for Edge Routing
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Solution Overview
Problem
Next Generation wireless networks face challenges in efficiently deploying radio access and core functions due to geographic span and resource requirements, leading to high costs and complexity in providing end-to-end application services with desired performance metrics.
Innovation Solution
An intelligent end-to-end architecture is implemented with a multi-tiered network structure, where RAN and core control plane functions are centralized at the far edge to support multiple edge deployments, and user planes are decentralized, managed by centralized and distributed controllers for intelligent routing based on various criteria.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If radio access and core functions are deployed at the far edge to support application services, then service performance and reliability are improved, but deployment cost and network complexity increase due to geographic span and resource requirements
Solution Approach 1:
The network architecture is segmented into multiple tiers (far edge, mid edge, edge, non-edge) with different levels of functionality. Control plane functions are centralized at the far edge tier, while user plane functions are distributed across multiple tiers. This segmentation allows each tier to be optimized independently, reducing overall network complexity while maintaining service performance through appropriate function placement.
Solution Approach 2:
The patent introduces a multi-dimensional tiered architecture that adds the dimension of hierarchical organization to the traditional flat network structure. By organizing network functions across multiple tiers (far edge, mid edge, edge, non-edge), the system can simultaneously achieve low latency for critical services and cost efficiency for less demanding services, resolving the contradiction between performance and complexity.
2Adaptability or versatility
If multiple edge deployments are supported with centralized control plane functions, then adaptability and service coverage are improved, but device complexity and resource requirements increase
Solution Approach 1:
The far edge control plane functions are designed to be universal and multi-functional, capable of supporting multiple edge deployments and different types of application services through a single centralized controller. This universal controller can dynamically allocate resources and manage different service types, improving adaptability without requiring separate complex devices for each deployment scenario.
Solution Approach 2:
The patent uses virtualization to create virtual copies of network functions across different tiers. The centralized control plane at the far edge can manage multiple virtual network instances and user plane functions distributed across mid edge, edge, and non-edge locations. This copying approach allows single physical infrastructure to support multiple service deployments, reducing device complexity while maintaining versatility.
3Productivity
If user planes are decentralized across multiple tiers, then network efficiency and performance are improved, but system complexity increases due to intelligent routing requirements
Solution Approach 1:
The intelligent routing system implements feedback mechanisms where the centralized control plane continuously monitors network conditions, service performance, and resource utilization across different tiers. Based on this feedback, the system dynamically adjusts routing decisions to optimize network efficiency. This feedback-driven approach automates complex routing decisions, reducing system complexity while maintaining high productivity through adaptive resource allocation.
Data Source
AI summary
A system, a network, an end-to-end network, a method, a non-transitory computer-readable storage medium are described of an intelligent end-to-end architecture for tiers of application services. The system may include a radio access network (RAN) that provides radio access to a core network and mobile edge application service layer networks located at different mobile edges including a far edge, a mid edge, and an edge. The system may include a distributed edge controller configured to determine routing for application service requests, which are sent from end devices, between the mobile edge application service layer networks of the far edge and the mid edge based on one or multiple threshold values.