SRv6 Locator Allocation for Automated AP Deployment
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Solution Overview
Problem
In a conventional layer three network environment, deploying SRv6 is challenging due to the need for different Locators to be allocated to different APs, which complicates the delivery of the same AP configuration to multiple APs and hinders automation in network deployment.
Innovation Solution
The method involves automatically allocating different Locators to gateway devices and access points (APs) in a layer three network, establishing an SRv6 tunnel between the gateway device and APs, and performing IPv6 encapsulation and decapsulation to forward packets based on allocated Locators and Functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If different Locators are allocated to different APs in a layer three network, then SRv6 packet forwarding can be implemented, but the complexity of delivering AP configuration increases and automation is hindered
Solution Approach 1:
The patent applies universality by enabling the gateway device to serve multiple APs using a single Locator. The gateway device can perform SRv6 packet forwarding for multiple different APs without requiring each AP to have a unique Locator, thus simplifying configuration delivery while maintaining reliable SRv6 forwarding functionality.
2Measurement precision
If different Locators are allocated to different APs, then unique identification is achieved, but deployment automation is reduced
Solution Approach 1:
The gateway device is designed to handle multiple APs with a single Locator, allowing automated deployment scripts to configure the gateway once while it automatically manages traffic for multiple APs. This maintains precise AP identification through the SRv6 forwarding mechanism while enabling automated network deployment.
Solution Approach 2:
The gateway device acts as an intermediary between the SRv6 network and multiple APs. It receives packets with destination Locators corresponding to different APs, performs the necessary decapsulation and forwarding operations, and delivers packets to the appropriate APs. This intermediary approach enables automated deployment while maintaining precise AP identification.
Data Source
AI summary
Examples of the present disclosure provide packet forwarding methods, a network device and a storage medium. In the examples of the present disclosure, the automation of deploying SRv6 in a layer three network is achieved by automatically allocating different locators to the gateway device and different APs connected to the gateway device, so as to fully utilize the advantages brought by SRv6 in the layer three network. Further, in this example, an SRv6 tunnel is deployed between the gateway device and the AP based on locators allocated to the gateway device and the AP, and the packet is transmitted between the gateway device and the AP through the SRv6 tunnel, thus achieving the packet forwarding method applied to the layer three network with SRv6 deployed.