A network slicing orchestration method for programmable data plane networks

By optimizing the mapping and routing path selection of VNFs in programmable data plane networks, combined with depth-first search and chain super-generation algorithms, the problems of limited resource allocation flexibility and efficiency in existing technologies are solved, and more efficient network slice resource management is achieved.

CN119906644BActive Publication Date: 2025-09-19BEIJING UNIV OF POSTS & TELECOMM
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Patent Information

Application Number
CN202510405408.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2025-09-19
Estimated Expiration
2045-04-02

AI Technical Summary

Technical Problem

Existing network slicing orchestration methods based on programmable data planes find it difficult to fully utilize resources in a multi-tenant shared network slicing environment, resulting in limited flexibility and efficiency in resource allocation.

Method used

By rationally deploying service function chains (SFCs) in the programmable data plane network, the configured network cost function is used to optimize the mapping and routing path selection of VNFs. Combined with the depth-first search algorithm and the chain super generation algorithm (CHG algorithm), the path combination is dynamically adjusted to achieve optimal resource allocation.

Benefits of technology

It significantly improves the flexibility and efficiency of network slicing deployment and resource allocation, and achieves coordinated optimization of resource allocation, path selection and service quality.

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Abstract

The present application provides a network slice orchestration method for a programmable data plane network. After obtaining service requests corresponding to different network slices to be orchestrated, the method uses a configured network cost function, a sequence of VNF types to be traversed corresponding to any service request, and VNF instances of the corresponding VNF type, the required maximum routing delay, and the source and destination nodes of each network slice to be orchestrated to perform node deployment on the VNF, thereby obtaining the optimal routing path and VNF deployment information corresponding to the service request. Based on the optimal routing path and VNF deployment information corresponding to the service request, a corresponding orchestration file is generated, and the orchestration file is distributed to each switch in the programmable data plane network to orchestrate the network slice corresponding to the service request. This method enables the coordinated optimization of resource allocation, path selection, and service quality assurance, thereby improving the flexibility and efficiency of network slice deployment and resource allocation.
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