Reflection Mode IP Flow Rule Generation for Hybrid Network Mobility
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Solution Overview
Problem
Current IP flow mobility solutions in enterprise access networks face challenges in optimizing best effort transmission, such as restricted bandwidth utilization, unpredictable IP flows, inefficient rule enforcement, and the need for flexibility, especially in hybrid networks like LTE and WLAN, which limits transmission speed and efficiency.
Innovation Solution
The reflection mode approach, implemented by a Packet Data Network (PDN) Gateway (PGW), generates and enforces IP flow rules to balance and route multiple IP flows across multiple access networks, utilizing available bandwidth for accelerated best effort transmission, with simplified signaling and minimal infrastructure changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If IP flow mobility solutions are implemented in enterprise access networks, then bandwidth utilization and transmission speed are improved, but network complexity and rule enforcement difficulty increase
Solution Approach 1:
The system enables self-service by having the user equipment autonomously generate and send flow rules to the network side without requiring manual configuration. The network device automatically receives and enforces these rules, eliminating the need for complex manual rule provisioning while maintaining high transmission speeds through efficient IP flow mobility management
Solution Approach 2:
The patent implements dynamic flow rule generation where the user equipment continuously monitors network conditions and dynamically adjusts flow routing decisions. The system adapts to changing network states in real-time, optimizing transmission speed while managing complexity through automated dynamic decision-making rather than static configuration
2Quantity of substance
If multiple access networks are used to balance IP flows, then bandwidth utilization is improved, but flexibility and ease of deployment are reduced
Solution Approach 1:
The system segments IP flows into different categories based on their characteristics and routes them to different access networks independently. This segmentation allows the system to utilize multiple networks for bandwidth aggregation while maintaining flexibility through selective routing of specific flow types to appropriate networks based on real-time conditions
3Measurement precision
If flow rules are manually provisioned, then control precision is improved, but time consumption and operational complexity increase
Solution Approach 1:
The user equipment performs self-service by automatically generating flow rules based on its own network conditions and transmission needs. This eliminates the time-consuming manual provisioning process while maintaining precise control through automated rule generation that adapts to real-time network states without requiring human intervention
Solution Approach 2:
The system performs preliminary action by having the user equipment proactively generate and send flow rules to the network device before actual data transmission begins. This advance rule provisioning eliminates delays in rule establishment and reduces operational time while maintaining precise control through pre-calculated optimal routing decisions
Data Source
AI summary
Certain implementations of the present disclosure relates to a network device that receives an Internet Protocol (IP) flow and determines a protocol type of wireless communication networks associated with a particular network on which the IP flow is transmitted to the network device. Then, the network device generates, using a reflection mode, a set of rules corresponding to the IP flow based on the protocol type of wireless communication networks. Next, the network device transmits the IP flow and the set of rules to another network node.