Communication method and device

By requiring requests to include the first parameter in the NRF network element and rejecting requests that do not include the parameters, the problem of difficulty in improving the security of NF service providers in the service-based architecture is solved, and effective defense against malicious attacks and secure access to NF services is achieved.

CN119729487APending Publication Date: 2025-03-28HUAWEI TECH CO LTD
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Patent Information

Application Number
CN202311291986.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-28
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The prior art is difficult to improve the security of network functional (NF) service providers in service-based architectures, especially when discovering or accessing NF service providers.

Method used

By implementing a communication method in a Network Repository Function (NRF) network element, the request from the first network element must include the first parameter, otherwise the request will be rejected. Meanwhile, the NRF network element may request the first network element to provide or resend a request containing the first parameter by sending instructions.

Benefits of technology

It effectively reduces the probability of malicious attack on network elements to discover or access NF service providers, improves the security of NF service providers, and improves the accuracy of verification and verification of first network element requests.

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Abstract

The embodiment of the invention provides a communication method and device, which are used for improving the security of an NF service provider network element. The method comprises: an NRF network element receiving a first request from a first network element, the first request being used for discovering a second network element, or the first request being used for acquiring an access token of the second network element; determining whether the first request comprises a first parameter of the first network element; and when the first request does not include the first parameter, refusing the first request.
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