Establishing a network micro-tunnel within a network tunnel

CN116527374BActive Publication Date: 2026-07-07JUNIPER NETWORKS INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JUNIPER NETWORKS INC
Filing Date
2020-05-18
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing technologies, when delaying lower-priority network services in network tunnels, may cause receiving network devices to reject the service, wasting computing and network resources, and making it difficult to effectively manage the priority transmission of different types of network services.

Method used

By establishing network microtunnels within the network tunnel and using Internet Protocol Security Protocol (IPsec) Security Association (SA) to maintain independent counters to manage the sequence identifier range for specific service categories, it is ensured that only low-priority communications of specific service categories are delayed rather than rejected.

Benefits of technology

Effective management of service priorities within the network tunnel saves computing and network resources and avoids the waste of resources caused by rejecting and retransmitting low-priority services.

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Abstract

The present disclosure relates to establishing network micro-tunnels within network tunnels. A first network device can communicate with a second network device in association with a tunnel establishment network protocol to cause a network tunnel to be established between the first network device and the second network device. The first network device can determine, based on communicating with the second network device to cause the network tunnel to be established, that the network tunnel will support network micro-tunnel functionality within the network tunnel. The first network device can communicate with the second network device, based on determining that the network tunnel will support network micro-tunnel functionality, to identify a traffic class, of one or more traffic classes, for which network micro-tunnel functionality within the network tunnel is to be applied. The first network device can cause a network micro-tunnel to be established within the network tunnel for traffic associated with the traffic class.
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