IPv6 Associated Channel for Unified SRv6 Control Signaling
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Solution Overview
Problem
Current IPv6 networks require multiple protocols to manage and control various functions, leading to complex signaling and inefficient management due to the need for multiple protocol links, which occupies bandwidth and reduces service data transmission efficiency.
Innovation Solution
A unified associated channel is introduced in IPv6 packets to carry multiple control and management messages, using an IPv6 extension header or payload, reducing the need for multiple protocols and simplifying signaling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple protocols are used to carry control and management messages for different functions, then various control and management functions can be implemented, but the signaling becomes complex and bandwidth is occupied
Solution Approach 1:
The patent merges multiple control and management messages into a single unified protocol. The IPv6 packet structure is extended to include an Associated Channel field that can carry multiple types of control and management messages (such as OAM messages, fault indication messages, and resource reservation messages) that previously required separate protocols. This consolidation reduces signaling complexity while maintaining the ability to perform various control and management functions.
Solution Approach 2:
The patent creates a universal control channel within the IPv6 packet structure that can serve multiple control and management functions simultaneously. The Associated Channel field is designed to be multi-functional, capable of carrying different types of control messages through type identification mechanisms, thereby eliminating the need for separate protocol links for each function.
2Adaptability or versatility
If multiple protocol links are established between nodes, then different control and management functions can be performed, but transmission efficiency decreases
Solution Approach 1:
The patent combines multiple control and management transmissions into a single IPv6 packet flow. By embedding various control messages within the Associated Channel field of IPv6 packets, the system eliminates the need for separate protocol links, thereby reducing bandwidth consumption and improving overall transmission efficiency while maintaining full control and management functionality.
3Device complexity
If a unified associated channel is used to carry multiple control messages, then signaling is simplified and bandwidth is reduced, but protocol design becomes more complex
Solution Approach 1:
The patent segments the control message space into different types that can be identified within the unified Associated Channel field. By defining specific message types (such as OAM, fault indication, resource reservation) with distinct identification mechanisms, the protocol maintains simplicity in the unified channel structure while providing organized, manageable segments for different control functions.
4Ease of operation
If control and management messages are transmitted separately, then each function can be managed independently, but bandwidth consumption increases
Solution Approach 1:
The patent merges multiple control and management messages into a single IPv6 packet structure with an Associated Channel field. This consolidation allows different control functions to be transmitted together in the same packet flow, significantly reducing bandwidth consumption while maintaining the ability to manage each function independently through message type identification and processing.
Data Source
Figure 1a~2a-1
Figure 2b~2a-2
Figure 2e~2f
AI summary
Embodiments of this application disclose a packet processing method. In an example, an associated channel may be carried in an IPv6 packet to provide different types of control channels. The associated channel may be transmitted together with user data. Each type of control channel carries at least one type of control and management message, and one type of control and management message may implement one type of control and management function. In other words, the IPv6 packet may include at least one type of control and management message. In an IPv6 network, especially in an SRv6 network, different types of control and management information between transceiver nodes may all be carried based on a general associated channel. For example, if a plurality of control and management functions need to be implemented for the IPv6 network, a plurality of different types of control and management messages may all be carried by using the associated channel, without using a plurality of protocols to carry the plurality of types of control and management messages, effectively improving efficiency of control and management on the IPv6 network.