Flow Table Dynamic Update for QoS and Forwarding
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Solution Overview
Problem
In flow-based network environments, existing systems fail to dynamically apply updated forwarding information and QoS processing information to corresponding flows, leading to inefficient packet forwarding and QoS processing.
Innovation Solution
A method and device that acquire and update forwarding information and QoS information from a flow table based on the status of inputted packets, using a forwarding engine unit to determine if the packet is the first packet and dynamically update the flow table with new information, including route IDs and QoS rule serial numbers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If forwarding information and QoS processing information are stored in a flow table after the first packet is inputted, then packet forwarding and QoS processing can be performed based on stored information, but updated forwarding information and QoS processing information cannot be applied to the corresponding flow
Solution Approach 1:
The patent applies dynamics by enabling the flow table to dynamically update and apply new forwarding information and QoS processing information when packets arrive, rather than using static stored information. The system determines whether to apply updated information based on packet characteristics, allowing the forwarding behavior to adapt dynamically to changing network conditions while maintaining reliable packet processing.
2Productivity
If the flow table is updated with new forwarding information and QoS processing information, then current flow processing can be improved, but the complexity of managing update conditions and packet determination increases
Solution Approach 1:
The patent applies self-service by enabling the flow table to automatically determine and apply updates based on packet characteristics without requiring complex external control mechanisms. The system uses packet fields (such as destination address, protocol type, or port numbers) as keys to automatically identify when updates should be applied, allowing the flow table to manage its own updates efficiently while improving packet processing productivity.
Data Source
AI summary
A device for providing forwarding and QoS information in a flow based network environment acquires first information and second information from a flow table therein on the basis of status information of a predetermined flow in order to provide dynamically updated information in a flow based network environment. When it is determined that first information and second information acquired based on a route ID of a series of information are updated, the flow table is updated and the updated information is provided.