Mobile Terminal Edge Server Detection via LADN
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Solution Overview
Problem
In 4G and initial 5G mobile networks, user equipment lacks an efficient mechanism to determine whether application servers are deployed on edge servers or remote servers, leading to suboptimal packet routing and potential disconnection from edge services due to resource constraints and geographical changes.
Innovation Solution
A method and system where a mobile terminal detects edge server deployment by polling for edge availability and registers with a Mobile Edge Computing (MEC) server using Local Area Data Network (LADN) information, enabling it to route packets to either the edge or remote server based on server location, utilizing a Mobile Enablement Layer (MEL) with edge tracker, DNS proxy, and service discovery modules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If user equipment uses conventional packet routing mechanisms in 4G and initial 5G networks, then basic connectivity is maintained, but efficient routing to edge servers cannot be determined leading to suboptimal performance and potential disconnection from edge services
Solution Approach 1:
The system performs preliminary actions by obtaining LADN information during the registration phase with the base station, before actual data transmission occurs. This allows the user equipment to proactively identify available edge servers and prepare routing paths in advance, ensuring seamless connectivity when data transmission begins.
Solution Approach 2:
The patent introduces an intermediary mechanism where the base station acts as a mediator between user equipment and edge servers. The base station provides LADN information that enables user equipment to discover and connect to appropriate edge servers, facilitating indirect detection and routing without requiring complex direct probing between user equipment and potential edge servers.
2Productivity
If user equipment implements comprehensive server detection mechanisms, then efficient packet routing to edge servers can be achieved, but the system complexity and resource consumption increase
Solution Approach 1:
The LADN information mechanism serves multiple functions simultaneously: it provides edge server discovery, indicates service availability, guides packet routing decisions, and enables mobility management. This multi-functionality approach consolidates what would otherwise require separate detection and management systems into a single unified mechanism.
Solution Approach 2:
User equipment autonomously determines edge server connectivity using LADN information obtained during registration. The device independently performs routing decisions based on the information provided, without requiring continuous network control or complex centralized detection mechanisms, thereby reducing overall system complexity.
3Reliability
If user equipment continuously monitors edge server availability, then service continuity during mobility is maintained, but energy consumption and processing overhead increase
Solution Approach 1:
Instead of continuous monitoring, the system updates LADN information periodically during mobility events such as handovers or registration updates. This periodic refresh approach maintains service continuity information without requiring constant active monitoring, thereby reducing energy consumption and processing overhead between update events.
Data Source
AI summary
The present disclosure relates to a communication method and system for converging a 5th-Generation communication system for supporting higher data rates beyond a 4th-Generation system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure describes a method and a system for detecting Enhanced Data rates for edge server in a mobile telecommunication network by a mobile terminal.